Adding upstream version 110.0.1.upstream/110.0.1 upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 09:22:09 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 09:22:09 +0000
commit: 43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree: 620249daf56c0258faa40cbdcf9cfba06de2a846 /l10n-zh-TW/mail
parent: Initial commit. (diff)
download: firefox-upstream.tar.xz
firefox-upstream.zip
264 files changed, 17435 insertions, 0 deletions
diff --git a/l10n-zh-TW/mail/all-l10n.js b/l10n-zh-TW/mail/all-l10n.js
new file mode 100644
index 0000000000..d988530cd3
--- /dev/null
+++ b/l10n-zh-TW/mail/all-l10n.js
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#filter substitution
+
+pref("general.useragent.locale", "@AB_CD@");
+pref("spellchecker.dictionary", "en-US");
diff --git a/l10n-zh-TW/mail/branding/thunderbird/brand.dtd b/l10n-zh-TW/mail/branding/thunderbird/brand.dtd
new file mode 100644
index 0000000000..9f58294a16
--- /dev/null
+++ b/l10n-zh-TW/mail/branding/thunderbird/brand.dtd
@@ -0,0 +1,13 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<!ENTITY  brandShortName        "Thunderbird">
+<!ENTITY  brandShorterName      "Thunderbird">
+<!ENTITY  brandFullName         "Mozilla Thunderbird">
+<!-- LOCALIZATION NOTE (brandProductName):
+   This brand name can be used in messages where the product name needs to
+   remain unchanged across different versions (Daily, Beta, etc.). -->
+<!ENTITY  brandProductName      "Thunderbird">
+<!ENTITY  vendorShortName       "Mozilla">
+<!ENTITY  trademarkInfo.part1   "Mozilla Thunderbird 字樣與 Thunderbird 標誌
+                                 為 Mozilla 基金會之註冊商標。">
diff --git a/l10n-zh-TW/mail/branding/thunderbird/brand.ftl b/l10n-zh-TW/mail/branding/thunderbird/brand.ftl
new file mode 100644
index 0000000000..51f7653301
--- /dev/null
+++ b/l10n-zh-TW/mail/branding/thunderbird/brand.ftl
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Thunderbird Brand
+##
+## Thunderbird must be treated as a brand, and kept in English.
+## It cannot be:
+## - Transliterated.
+## - Translated.
+##
+## Reference: https://www.mozilla.org/styleguide/communications/translation/
+
+-brand-shorter-name = Thunderbird
+-brand-short-name = Thunderbird
+-brand-full-name = Mozilla Thunderbird
+# This brand name can be used in messages where the product name needs to
+# remain unchanged across different versions (Daily, Beta, etc.).
+-brand-product-name = Thunderbird
+-vendor-short-name = Mozilla
+trademarkInfo = Mozilla Thunderbird 字樣與 Thunderbird 標誌為 Mozilla 基金會之註冊商標。
diff --git a/l10n-zh-TW/mail/branding/thunderbird/brand.properties b/l10n-zh-TW/mail/branding/thunderbird/brand.properties
new file mode 100644
index 0000000000..9dd5011219
--- /dev/null
+++ b/l10n-zh-TW/mail/branding/thunderbird/brand.properties
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+brandShortName=Thunderbird
+brandShorterName=Thunderbird
+brandFullName=Mozilla Thunderbird
+vendorShortName=Mozilla
diff --git a/l10n-zh-TW/mail/browser/appExtensionFields.ftl b/l10n-zh-TW/mail/browser/appExtensionFields.ftl
new file mode 100644
index 0000000000..9e8568dae3
--- /dev/null
+++ b/l10n-zh-TW/mail/browser/appExtensionFields.ftl
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Theme names and descriptions used in the Themes panel in about:addons
+
+# "Auto" is short for automatic. It can be localized without limitations.
+extension-default-theme-name-auto = 系統佈景主題 — 自動
+extension-default-theme-description = 根據作業系統設定來顯示按鈕、選單、視窗的外觀。
+
+extension-thunderbird-compact-light-name = 亮色
+extension-thunderbird-compact-light-description = 亮色佈景主題。
+
+extension-thunderbird-compact-dark-name = 暗色
+extension-thunderbird-compact-dark-description = 暗色佈景主題。
diff --git a/l10n-zh-TW/mail/browser/branding/brandings.ftl b/l10n-zh-TW/mail/browser/branding/brandings.ftl
new file mode 100644
index 0000000000..9ada8da73a
--- /dev/null
+++ b/l10n-zh-TW/mail/browser/branding/brandings.ftl
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## The following feature names must be treated as a brand.
+##
+## They cannot be:
+## - Transliterated.
+## - Translated.
+##
+## Declension should be avoided where possible, leaving the original
+## brand unaltered in prominent UI positions.
+##
+## For further details, consult:
+## https://mozilla-l10n.github.io/styleguides/mozilla_general/#brands-copyright-and-trademark
+
+-profiler-brand-name = Firefox Profiler
diff --git a/l10n-zh-TW/mail/chrome/communicator/utilityOverlay.dtd b/l10n-zh-TW/mail/chrome/communicator/utilityOverlay.dtd
new file mode 100644
index 0000000000..8468d1e090
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/communicator/utilityOverlay.dtd
@@ -0,0 +1,43 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE : FILE This file contains the global menu items -->
+
+<!ENTITY fileMenu.label          "檔案">
+<!ENTITY fileMenu.accesskey        "F">
+<!ENTITY newMenu.label            "新增">
+<!ENTITY newMenu.accesskey          "N">
+
+<!ENTITY editMenu.label          "編輯">
+<!ENTITY editMenu.accesskey        "E">
+<!ENTITY undoCmd.label            "復原">
+<!ENTITY undoCmd.accesskey          "U">
+<!ENTITY redoCmd.label            "取消「復原」">
+<!ENTITY redoCmd.accesskey          "R">
+<!ENTITY deleteCmd.label          "刪除">
+<!ENTITY deleteCmd.accesskey        "D">
+
+<!ENTITY customizeCmd.label "自訂">
+<!ENTITY customizeCmd.accesskey "t">
+
+<!ENTITY viewMenu.label          "檢視">
+<!ENTITY viewMenu.accesskey        "V">
+<!ENTITY viewToolbarsMenu.label        "工具列">
+<!ENTITY viewToolbarsMenu.accesskey      "T">
+<!ENTITY showTaskbarCmd.label          "狀態列">
+<!ENTITY showTaskbarCmd.accesskey        "u">
+
+<!ENTITY closeCmd.label      "關閉">
+<!ENTITY closeCmd.key      "W">
+<!ENTITY closeCmd.accesskey    "C">
+
+<!ENTITY quitApplicationCmd.label  "結束">
+<!ENTITY quitApplicationCmd.key    "Q">
+<!ENTITY quitApplicationCmd.accesskey  "x">
+
+<!ENTITY quitApplicationCmdUnix.label  "離開">
+<!ENTITY quitApplicationCmdUnix.accesskey  "Q">
+
+<!ENTITY quitApplicationCmdMac.label  "離開 &brandShortName;">
+<!ENTITY quitApplicationCmdMac.accesskey  "Q">
diff --git a/l10n-zh-TW/mail/chrome/messenger-mapi/mapi.properties b/l10n-zh-TW/mail/chrome/messenger-mapi/mapi.properties
new file mode 100644
index 0000000000..92a3bf4c98
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-mapi/mapi.properties
@@ -0,0 +1,37 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Mail Integration Dialog
+dialogTitle=%S
+dialogText=您想將 %S 設為預設的郵件程式嗎？
+newsDialogText=您想將 %S 設為預設新聞群組閱讀程式嗎？
+feedDialogText=您想將 %S 設為預設的消息來源閱讀程式嗎？
+checkboxText=不再顯示此視窗
+setDefaultMail=%S 目前未被設為預設郵件程式，您想設成預設程式嗎？
+setDefaultNews=%S 目前未被為設為預設新聞群組讀取程式，您想設成預設程式嗎？
+setDefaultFeed=%S 目前不是您的預設消息來源閱讀程式，您想設成預設程式嗎？
+alreadyDefaultMail=%S 已設為您的預設郵件瀏覽程式。
+alreadyDefaultNews=%S 已設為您的預設新聞群組讀取程式。
+alreadyDefaultFeed=%S 已設為您的消息來源閱讀程式。
+
+# MAPI Messages
+loginText=請輸入「%S」的密碼:
+loginTextwithName=請輸入您的使用者名稱及密碼
+loginTitle=%S
+PasswordTitle=%S
+
+# MAPI Error Messages
+errorMessage=因為無法更新一些系統登錄鍵值，無法設定 %S 為預設郵件程式。請與系統管理員確認您有寫入系統登錄的權限後再試一次。
+errorMessageNews=無法設定 %S 為預設新聞群組瀏覽程式，請確定您有管理者權限。
+errorMessageTitle=%S
+
+# MAPI Security Messages
+mapiBlindSendWarning=有其它程式試圖用您的使用者資料來寄信。您確定要寄出嗎？
+mapiBlindSendDontShowAgain=當其它程式試圖用我的名字寄信時通知我
+
+#Default Mail Display String
+# localization note, %S is the vendor name
+defaultMailDisplayTitle=%S
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger-newsblog/am-newsblog.dtd b/l10n-zh-TW/mail/chrome/messenger-newsblog/am-newsblog.dtd
new file mode 100644
index 0000000000..14bb1ccf6e
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-newsblog/am-newsblog.dtd
@@ -0,0 +1,14 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY biffAll.label                 "開啟更新所有資訊來源">
+<!ENTITY biffAll.accesskey             "E">
+
+<!ENTITY newFeedSettings.label         "新資訊來源的預設設定">
+
+<!ENTITY manageSubscriptions.label     "管理訂閱清單…">
+<!ENTITY manageSubscriptions.accesskey "M">
+
+<!ENTITY feedWindowTitle.label         "資訊來源帳號精靈">
+<!ENTITY feeds.accountName             "部落格與新聞來源">
diff --git a/l10n-zh-TW/mail/chrome/messenger-newsblog/feed-subscriptions.dtd b/l10n-zh-TW/mail/chrome/messenger-newsblog/feed-subscriptions.dtd
new file mode 100644
index 0000000000..63876fb5fc
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-newsblog/feed-subscriptions.dtd
@@ -0,0 +1,55 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Subscription Dialog -->
+<!ENTITY feedSubscriptions.label     "消息來源訂閱">
+<!ENTITY learnMore.label             "了解更多資訊來源">
+
+<!ENTITY feedTitle.label             "標題:">
+<!ENTITY feedTitle.accesskey         "T">
+
+<!ENTITY feedLocation.label          "來源 URL:">
+<!ENTITY feedLocation.accesskey      "U">
+<!ENTITY feedLocation2.placeholder   "輸入有效的資訊來源網址">
+<!ENTITY locationValidate.label      "驗證">
+<!ENTITY validateText.label          "確認是否有效並回傳有效的網址。">
+
+<!ENTITY feedFolder.label            "保存文章於:">
+<!ENTITY feedFolder.accesskey        "S">
+
+<!-- Account Settings and Subscription Dialog -->
+<!ENTITY biffStart.label             "新文章檢查頻率: ">
+<!ENTITY biffStart.accesskey         "k">
+<!ENTITY biffMinutes.label           "分鐘">
+<!ENTITY biffMinutes.accesskey       "n">
+<!ENTITY biffDays.label              "天">
+<!ENTITY biffDays.accesskey          "d">
+<!ENTITY recommendedUnits.label      "發布者推薦:">
+
+<!ENTITY quickMode.label             "顯示文章摘要而非載入網頁">
+<!ENTITY quickMode.accesskey         "h">
+
+<!ENTITY autotagEnable.label         "自動依照資訊來源的 &lt;category&gt; 名稱建立分類標籤">
+<!ENTITY autotagEnable.accesskey     "c">
+<!ENTITY autotagUsePrefix.label      "為標籤加上前綴:">
+<!ENTITY autotagUsePrefix.accesskey  "P">
+<!ENTITY autoTagPrefix.placeholder   "輸入標籤前綴">
+
+<!-- Subscription Dialog -->
+<!ENTITY button.addFeed.label        "新增">
+<!ENTITY button.addFeed.accesskey    "A">
+<!ENTITY button.verifyFeed.label     "驗證">
+<!ENTITY button.verifyFeed.accesskey "V">
+<!ENTITY button.updateFeed.label     "更新">
+<!ENTITY button.updateFeed.accesskey "U">
+<!ENTITY button.removeFeed.label     "移除">
+<!ENTITY button.removeFeed.accesskey "R">
+<!ENTITY button.importOPML.label     "匯入">
+<!ENTITY button.importOPML.accesskey "I">
+<!ENTITY button.exportOPML.label     "匯出">
+<!ENTITY button.exportOPML.accesskey "x">
+<!ENTITY button.exportOPML.tooltip   "匯出包含資料夾結構的資訊來源；按住 Ctrl 再點擊，或是按下 Ctrl+Enter 以單純將資訊來源匯出為清單">
+
+<!ENTITY cmd.close.commandKey        "w">
+<!ENTITY button.close.label          "關閉">
diff --git a/l10n-zh-TW/mail/chrome/messenger-newsblog/newsblog.properties b/l10n-zh-TW/mail/chrome/messenger-newsblog/newsblog.properties
new file mode 100644
index 0000000000..bafdbb3fc4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-newsblog/newsblog.properties
@@ -0,0 +1,93 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+subscribe-validating-feed=檢驗消息來源…
+subscribe-cancelSubscription=您確定要取消訂閱目前的消息來源？
+subscribe-cancelSubscriptionTitle=訂閱消息來源…
+subscribe-feedAlreadySubscribed=您已訂閱過此項目。
+subscribe-errorOpeningFile=無法開啟檔案。
+subscribe-feedAdded=已新增消息來源。
+subscribe-feedUpdated=已更新消息來源。
+subscribe-feedMoved=已移動消息來源訂閱。
+subscribe-feedCopied=已複製消息來源訂閱。
+subscribe-feedRemoved=已解除訂閱消息來源。
+subscribe-feedNotValid=消息來源網址無效。
+subscribe-feedVerified=已驗證資訊來源網址。
+subscribe-networkError=找不到該消息來源網址。請檢查名稱後再試一次。
+subscribe-noAuthError=資訊來源網址並未授權。
+subscribe-loading=載入中，請稍候…
+
+subscribe-OPMLImportTitle=選取要匯入的 OPML 檔案
+## LOCALIZATION NOTE(subscribe-OPMLExportTitleList):
+## %S is the name of the feed account folder name.
+subscribe-OPMLExportTitleList=將 %S 匯出為 OPML 檔案 - 消息來源清單
+## LOCALIZATION NOTE(subscribe-OPMLExportTitleStruct):
+## %S is the name of the feed account folder name.
+subscribe-OPMLExportTitleStruct=將 %S 匯出為 OPML 檔案 - 保留資料夾結構
+## LOCALIZATION NOTE(subscribe-OPMLExportFileDialogTitle):
+## %1$S is the brandShortName, %2$S is the name of the feed account folder name.
+subscribe-OPMLExportFileDialogTitle=%1$S OPML 匯出 - %2$S
+## LOCALIZATION NOTE(subscribe-OPMLExportDefaultFileName):
+## %1$S is the brandShortName (Thunderbird for example), %2$S is the account name.
+## The default extension (.opml) is added here as it is not automatically appended in the file picker on MacOS.
+subscribe-OPMLExportDefaultFileName=My%1$SFeeds-%2$S.opml
+## LOCALIZATION NOTE(subscribe-OPMLImportInvalidFile): %S is the name of the OPML file the user tried to import.
+subscribe-OPMLImportInvalidFile=%S 看來不是一個有效的 OPML 檔案。
+## LOCALIZATION NOTE(subscribe-OPMLImportFeedCount): Semi-colon list of plural forms.
+## See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
+## #1 is the count of new imported entries.
+subscribe-OPMLImportFeedCount=已匯入 #1 個新的消息來源。
+## LOCALIZATION NOTE(subscribe-OPMLImportUniqueFeeds): Semi-colon list of plural forms.
+## #1 is the count of new imported entries
+subscribe-OPMLImportUniqueFeeds=已匯入了 #1 個您還沒有訂閱的消息來源
+## LOCALIZATION NOTE(subscribe-OPMLImportFoundFeeds):
+## #1 is total number of elements found in the file
+subscribe-OPMLImportFoundFeeds=（全部共找到 #1 個）
+## LOCALIZATION NOTE(subscribe-OPMLImportStatus):
+## This is the concatenation of the two strings defined above to compose 1 sentence.
+## %1$S = subscribe-OPMLImportUniqueFeeds
+## %2$S = subscribe-OPMLImportFoundFeeds
+subscribe-OPMLImportStatus=%1$S %2$S。
+
+subscribe-OPMLExportOPMLFilesFilterText=OPML 檔案
+## LOCALIZATION NOTE(subscribe-OPMLExportDone): %S is the export file name.
+subscribe-OPMLExportDone=此帳號的消息來源已被匯出至 %S。
+
+subscribe-confirmFeedDeletionTitle=移除來源
+## LOCALIZATION NOTE(subscribe-confirmFeedDeletion): %S is the name of the feed the user wants to unsubscribe from.
+subscribe-confirmFeedDeletion=確定要取消訂閱來源: \n %S？
+
+## LOCALIZATION NOTE(subscribe-gettingFeedItems):
+##  - The first %S is the number of articles processed so far;
+##  - The second %S is the total number of items
+subscribe-gettingFeedItems=正在取得來源文章（%S/%S）…
+
+newsblog-noNewArticlesForFeed=此項消息來源沒有新文章。
+## LOCALIZATION NOTE(newsblog-networkError): %S is the feed URL
+newsblog-networkError=找不到 %S。請檢查名稱是否正確然後再試一次。
+## LOCALIZATION NOTE(newsblog-feedNotValid): %S is the feed URL
+newsblog-feedNotValid=%S 不是個有效的來源。
+## LOCALIZATION NOTE(newsblog-badCertError): %S is the feed URL host
+newsblog-badCertError=%S 用了無效的安全憑證。
+## LOCALIZATION NOTE(newsblog-noAuthError): %S is the feed URL
+newsblog-noAuthError=%S 並未授權。
+newsblog-getNewMsgsCheck=檢查來源新文章…
+
+## LOCALIZATION NOTE(feeds-accountname): This string should be the same as feeds.accountName in am-newsblog.dtd
+feeds-accountname=網誌與新聞來源
+
+## LOCALIZATION NOTE(externalAttachmentMsg): Content in the MIME part for external link attachments.
+externalAttachmentMsg=此 MIME 附件與訊息分開儲存。
+
+## Import wizard.
+ImportFeedsCreateNewListItem=* 新帳號 *
+ImportFeedsNewAccount=建立並匯入至新的消息來源帳號
+ImportFeedsExistingAccount=匯入至已存在的消息來源帳號
+## LOCALIZATION NOTE(ImportFeedsDone):
+##  - The first %S is the import file name;
+##  - The second %S is the value of either ImportFeedsNew or ImportFeedsExisting;
+##  - The third %S is the feed account name.
+ImportFeedsNew=新建
+ImportFeedsExisting=現有
+ImportFeedsDone=已將檔案 %1$S 當中的消息來源訂閱匯入至 %2$S 帳號「%3$S」。
diff --git a/l10n-zh-TW/mail/chrome/messenger-region/region.properties b/l10n-zh-TW/mail/chrome/messenger-region/region.properties
new file mode 100644
index 0000000000..fcd07b88a1
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-region/region.properties
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# To make mapit buttons to disappear in the addressbook, specify empty string.  For example:
+# mail.addr_book.mapit_url.format=
+# The mail.addr_book.mapit_url.format should start with the URL of the mapping
+# service and then the query part with placeholders to be subsituted from values
+# from the addressbook contact's address.
+# Available placeholders are:
+# @A1 == address, part 1
+# @A2 == address, part 2
+# @CI == city
+# @ST == state
+# @ZI == zip code
+# @CO == country
+# Default map service:
+mail.addr_book.mapit_url.format=http://maps.google.com/maps?q=@ZI%20@CO%20@ST%20@CI%20@A1%20@A2
+# List of available map services (up to 5 can be defined here):
+mail.addr_book.mapit_url.1.name=Google 地圖
+mail.addr_book.mapit_url.1.format=http://maps.google.com/maps?q=@ZI%20@CO%20@ST%20@CI%20@A1%20@A2
+mail.addr_book.mapit_url.2.name=OpenStreetMap
+mail.addr_book.mapit_url.2.format=http://nominatim.openstreetmap.org/search.php?polygon=1&q=@A1%2C@A2%2C@CI%2C@ST%2C@ZI%2C@CO
+
+mailnews.messageid_browser.url=http://groups.google.com/search?as_umsgid=%mid
+
+# Recognize non-standard versions of "Re:" in subjects from localized versions of MS Outlook et al.
+# Specify a comma-separated list without spaces. For example: AW,SV
+mailnews.localizedRe=
+
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/certFetchingStatus.dtd b/l10n-zh-TW/mail/chrome/messenger-smime/certFetchingStatus.dtd
new file mode 100644
index 0000000000..b4c0a928e1
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/certFetchingStatus.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE shown while obtaining certificates from a directory -->
+
+<!ENTITY title.label "下載憑證">
+<!ENTITY info.message "搜尋收件者的憑證中。這會花一些時間，請稍候。">
+<!ENTITY stop.label "停止搜尋">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSMIMEOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSMIMEOverlay.dtd
new file mode 100644
index 0000000000..020a713182
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSMIMEOverlay.dtd
@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE msgCompSMIMEOverlay.dtd UI for s/mime hooks in message composition -->
+
+<!-- not yet used
+<!ENTITY menu_securityEncryptOptional.label "Allow Encryption">
+<!ENTITY menu_securityEncryptOptional.accesskey "w">
+-->
+
+<!ENTITY menu_techPGP.label "OpenPGP">
+<!ENTITY menu_techPGP.accesskey "O">
+<!ENTITY menu_techSMIME.label "S/MIME">
+<!ENTITY menu_techSMIME.accesskey "S">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSecurityInfo.dtd b/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSecurityInfo.dtd
new file mode 100644
index 0000000000..b29b192c33
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSecurityInfo.dtd
@@ -0,0 +1,19 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE msgCompSecurityInfo.dtd UI for viewing security status when composing a message -->
+
+<!ENTITY title.label "郵件安全">
+<!ENTITY subject.plaintextWarning "請注意: 郵件的主旨不會被加密。">
+<!ENTITY status.heading "您的訊息內容將以下列方式寄送:">
+<!ENTITY status.signed "數位簽署:">
+<!ENTITY status.encrypted "已編碼:">
+<!ENTITY status.certificates "憑證:">
+<!ENTITY view.label "檢視">
+<!ENTITY view.accesskey "V">
+<!ENTITY tree.recipient "收件者">
+<!ENTITY tree.status "狀態">
+<!ENTITY tree.issuedDate "發行日期">
+<!ENTITY tree.expiresDate "有效期限">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSecurityInfo.properties b/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSecurityInfo.properties
new file mode 100644
index 0000000000..4d88451b36
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/msgCompSecurityInfo.properties
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+StatusNotFound=找不到
+StatusValid=驗證成功
+StatusExpired=已過期
+StatusUntrusted=不信任的
+StatusRevoked=已廢止
+StatusInvalid=不正確
+StatusYes=是
+StatusNo=不使用
+StatusNotPossible=不可能
+
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/msgReadSMIMEOverlay.properties b/l10n-zh-TW/mail/chrome/messenger-smime/msgReadSMIMEOverlay.properties
new file mode 100644
index 0000000000..bd69cd15c5
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/msgReadSMIMEOverlay.properties
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+ImapOnDemand=顯示的郵件有數位簽章，但尚未下載它全部的附件，所以無法確定簽章的正確性。請按確定以下載完整郵件以驗證簽章。
+#
+#NOTE To translator, anything between %..% and <..> should not be translated.
+# the former will be replaced by java script, and the latter is HTML formatting.
+#
+CantDecryptTitle=%brand% 無法解密此訊息
+CantDecryptBody=寄件者已用您的數位憑證將此訊息加密，但 %brand% 無法找到此憑證與對應的私密金鑰。<br> 解決辦法: <br><ul><li>若您有智慧卡，請現在插入。<li>若您正在使用新電腦或新建的 %brand% 設定檔，請先由備份中取回憑證與私密金鑰。它們的檔名通常以「.p12」結尾。</ul>
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/msgReadSecurityInfo.dtd b/l10n-zh-TW/mail/chrome/messenger-smime/msgReadSecurityInfo.dtd
new file mode 100644
index 0000000000..a249a185e3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/msgReadSecurityInfo.dtd
@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE msgReadSecurityInfo.dtd UI for viewing security status when reading a received message -->
+
+<!ENTITY status.label "郵件安全">
+<!ENTITY signatureCert.label "檢視簽章憑證">
+<!ENTITY encryptionCert.label "檢視加密憑證">
+
+<!ENTITY signer.name "簽署者:">
+<!ENTITY recipient.name "加密給:">
+<!ENTITY email.address "電子郵件地址:">
+<!ENTITY issuer.name "憑證發行者:">
+
+<!-- LOCALIZATION NOTE(SMIME.label): This a name for a technical standard. You should not translate it, but if applicable, you may write it using localized characters. -->
+<!ENTITY SMIME.label "S/MIME">
diff --git a/l10n-zh-TW/mail/chrome/messenger-smime/msgSecurityInfo.properties b/l10n-zh-TW/mail/chrome/messenger-smime/msgSecurityInfo.properties
new file mode 100644
index 0000000000..ac65edf3dd
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger-smime/msgSecurityInfo.properties
@@ -0,0 +1,36 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+## Signature Information strings
+SINoneLabel=郵件無數位簽章
+SINone=此訊息中未包含寄件者的數位簽章。這代表訊息可能是別人冒名寄送，也有可能在傳送過程中已遭人修改。不過，這兩種情形發生的機率都不高。
+SIValidLabel=郵件已簽署
+SIValid=此封郵件包含正確的數位簽章。它從寄出後沒被修改過。
+SIInvalidLabel=數位簽章無效
+SIInvalidHeader=此郵件包含不正確的數位簽章。
+SIContentAltered=數位簽章與郵件內文不合！此郵件可能在寄出後被修改過，請跟寄件者確認郵件內容。
+SIExpired=用來簽署此訊息的憑證看來已過期。請確定您電腦的時間是否正確。
+SIRevoked=用來簽署此郵件的憑證已被廢止。除非您跟寄件者確認過內容，否則不能信任此封郵件的正確性。
+SINotYetValid=用來簽署此訊息的憑證看來尚未生效。請確定您電腦的時間是否正確。
+SIUnknownCA=用來簽署此郵件的憑證是由未知的發行者所簽發的。
+SIUntrustedCA=用來簽署此郵件的憑證的發行者是您所不信任的。
+SIExpiredCA=簽署此郵件的憑證的發行者本身憑證已過期。請確定您電腦的時間是否正確。
+SIRevokedCA=用來簽署此訊息的憑證之發行者其本身憑證已被廢止。除非您跟寄件者確認過內容，否則不能信任此訊息的正確性。
+SINotYetValidCA=簽署此郵件的憑證的發行者本身憑證尚未生效。請確定您電腦的時間是否正確。
+SIInvalidCipher=此封郵件使用目前您的軟體版本無法處理的加密方式簽署憑證。
+SIClueless=此數位簽章有不明的錯誤。請與寄件者確認郵件的內文。
+SIPartiallyValidLabel=郵件已簽署
+SIPartiallyValidHeader=雖然數位簽章是正確的，不過不確定寄件者與簽署者是否為同一人。
+SIHeaderMismatch=數位簽章的 email 並非郵件上寫的寄件者。請檢查數位簽章的細節以確定實際寄件者。
+SICertWithoutAddress=用來簽署郵件的認證沒有 email 。請察看簽章認證的細節以得知簽署者。
+
+## Encryption Information strings
+EINoneLabel2=訊息未加密
+EINone=此封郵件沒被加密過。它在傳送中有可能被偷看。
+EIValidLabel=郵件已加密
+EIValid=此封郵件在寄出前有加密過。它在網路傳送中很不容易被破解。
+EIInvalidLabel=無法解密郵件
+EIInvalidHeader=此郵件寄出前已被加密過，但無法解密。
+EIContentAltered=此郵件在傳送中改變了內容。
+EIClueless=這封已加密的郵件有未知的問題。
diff --git a/l10n-zh-TW/mail/chrome/messenger/AccountManager.dtd b/l10n-zh-TW/mail/chrome/messenger/AccountManager.dtd
new file mode 100644
index 0000000000..2b43ececce
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/AccountManager.dtd
@@ -0,0 +1,25 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from AccountManager.xhtml -->
+
+<!ENTITY accountManagerTitle.label "帳號設定">
+<!ENTITY  accountManagerCloseButton.label "關閉">
+
+<!ENTITY accountActionsButton.label "帳號操作">
+<!ENTITY accountActionsButton.accesskey "A">
+<!ENTITY addMailAccountButton.label "新增電子郵件帳號…">
+<!ENTITY addMailAccountButton.accesskey "A">
+<!ENTITY addIMAccountButton.label "新增聊天帳號…">
+<!ENTITY addIMAccountButton.accesskey "C">
+<!ENTITY addFeedAccountButton.label "新增資訊來源帳號…">
+<!ENTITY addFeedAccountButton.accesskey "F">
+<!ENTITY setDefaultButton.label "設為預設帳號">
+<!ENTITY setDefaultButton.accesskey "D">
+<!ENTITY removeButton.label "移除帳號">
+<!ENTITY removeButton.accesskey "R">
+
+<!ENTITY addonsButton.label "擴充套件和佈景主題">
+
+<!-- AccountManager.xhtml -->
diff --git a/l10n-zh-TW/mail/chrome/messenger/AccountWizard.dtd b/l10n-zh-TW/mail/chrome/messenger/AccountWizard.dtd
new file mode 100644
index 0000000000..f74c93d91e
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/AccountWizard.dtd
@@ -0,0 +1,55 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Entities for AccountWizard -->
+
+<!ENTITY windowTitle.label "帳號管理精靈">
+<!ENTITY accountWizard.size "width: 40em; height: 38em;">
+
+<!-- Entities for Account Type page -->
+
+<!-- Entities for Identity page -->
+
+<!ENTITY identityTitle.label "身份識別">
+<!ENTITY identityDesc.label "每個帳號都有自已的身份識別資料以與別人區分，確保您所寄發的郵件不會是他人假冒的。">
+
+<!-- LOCALIZATION NOTE (fullnameDesc.label) : do not translate two of "&quot;" in below line -->
+<!ENTITY fullnameDesc.label "請輸入您寄信時在「寄件者」欄要用的名字">
+<!-- LOCALIZATION NOTE (fullnameExample.label) : use following directions for below line
+  1, do not translate two of "&quot;"
+  2, Use localized full name instead of "John Smith"
+-->
+<!ENTITY fullnameExample.label "（例:「王小明」）">
+<!ENTITY fullnameLabel.label "您的大名:">
+<!ENTITY fullnameLabel.accesskey "Y">
+
+<!ENTITY emailLabel.label "電子郵件地址:">
+<!ENTITY emailLabel.accesskey "E">
+
+<!-- Entities for Incoming Server page -->
+
+<!ENTITY incomingTitle.label "收件伺服器資訊">
+<!ENTITY incomingUsername.label "使用者名稱:">
+<!-- LOCALIZATION NOTE (newsServerNameDesc.label) : Do not translate "NNTP" or the "&quot;" entities in below line -->
+<!ENTITY newsServerNameDesc.label "請輸入您的新聞群組伺服器 (NNTP) 的名稱。（例:「news.example.net」）。">
+<!ENTITY newsServerLabel.label "新聞群組伺服器:">
+<!ENTITY newsServerLabel.accesskey "s">
+
+<!-- Entities for Outgoing Server page -->
+
+<!-- Entities for Account name page -->
+
+<!ENTITY accnameTitle.label "帳號名稱">
+<!-- LOCALIZATION NOTE (accnameDesc.label) : do not translate any "&quot;" in below line -->
+<!ENTITY accnameDesc.label "請輸入這個帳號的名稱（如「學校帳號」、「免費帳號」等等）。">
+<!ENTITY accnameLabel.label "帳號名稱:">
+<!ENTITY accnameLabel.accesskey "A">
+
+<!-- Entities for Done (Congratulations) page -->
+
+<!ENTITY completionTitle.label "恭喜！">
+<!ENTITY completionText.label "請確認底下關於此帳號的所有資訊是否正確無誤。">
+<!ENTITY newsServerNamePrefix.label "新聞群組伺服器名稱 (NNTP):">
+<!ENTITY clickFinish.label "按下「完成」即可儲存您的設定並離開帳號設定精靈。">
+<!ENTITY clickFinish.labelMac "點選不儲存這些設定並關閉帳號精靈。">
diff --git a/l10n-zh-TW/mail/chrome/messenger/CustomHeaders.dtd b/l10n-zh-TW/mail/chrome/messenger/CustomHeaders.dtd
new file mode 100644
index 0000000000..4df5b94644
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/CustomHeaders.dtd
@@ -0,0 +1,12 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY window.title "自訂標頭">
+<!ENTITY addButton.label "新增">
+<!ENTITY addButton.accesskey "A">
+<!ENTITY removeButton.label "移除">
+<!ENTITY removeButton.accesskey "R">
+<!ENTITY newMsgHeader.label "新郵件標頭:">
+<!ENTITY newMsgHeader.accesskey "N">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/FilterEditor.dtd b/l10n-zh-TW/mail/chrome/messenger/FilterEditor.dtd
new file mode 100644
index 0000000000..74808422aa
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/FilterEditor.dtd
@@ -0,0 +1,67 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY window.title "篩選條件規則">
+<!ENTITY filterName.label "篩選條件名稱:">
+<!ENTITY filterName.accesskey "i">
+
+<!ENTITY junk.label "垃圾郵件">
+<!ENTITY notJunk.label "非垃圾郵件">
+
+<!ENTITY lowestPriorityCmd.label "最低">
+<!ENTITY lowPriorityCmd.label "低">
+<!ENTITY normalPriorityCmd.label "標準">
+<!ENTITY highPriorityCmd.label "高">
+<!ENTITY highestPriorityCmd.label "最高">
+
+<!ENTITY contextDesc.label "做下列動作時進行篩選:">
+<!ENTITY contextIncomingMail.label "取回新郵件時:">
+<!ENTITY contextIncomingMail.accesskey "G">
+<!ENTITY contextManual.label "手動執行時">
+<!ENTITY contextManual.accesskey "R">
+<!ENTITY contextBeforeCls.label "在偵測垃圾信前篩選">
+<!ENTITY contextAfterCls.label "在偵測垃圾信後篩選">
+<!ENTITY contextOutgoing.label "傳送後">
+<!ENTITY contextOutgoing.accesskey "S">
+<!ENTITY contextArchive.label "備存中">
+<!ENTITY contextArchive.accesskey "A">
+
+<!ENTITY contextPeriodic.accesskey "e">
+
+<!ENTITY filterActionDesc.label "執行下列動作:">
+<!ENTITY filterActionDesc.accesskey "P">
+
+<!ENTITY filterActionOrderWarning.label "註: 篩選條件將以不同的順序執行。">
+<!ENTITY filterActionOrder.label "檢視執行順序">
+
+<!-- New Style Filter Rule Actions -->
+<!ENTITY moveMessage.label "移動郵件到">
+<!ENTITY copyMessage.label "複製郵件到">
+<!ENTITY forwardTo.label "轉寄郵件給">
+<!ENTITY replyWithTemplate.label "使用範本回信">
+<!ENTITY markMessageRead.label "標示為已讀">
+<!ENTITY markMessageUnread.label "標示為未讀">
+<!ENTITY markMessageStarred.label "加上星號">
+<!ENTITY setPriority.label "設定重要性為">
+<!ENTITY addTag.label "加上標籤">
+<!ENTITY setJunkScore.label "設定垃圾信狀態為">
+<!ENTITY deleteMessage.label "刪除郵件">
+<!ENTITY deleteFromPOP.label "由 POP 伺服器刪除">
+<!ENTITY fetchFromPOP.label "由 POP 伺服器取回">
+<!ENTITY ignoreThread.label "忽略討論串">
+<!ENTITY ignoreSubthread.label "忽略回覆討論串">
+<!ENTITY watchThread.label "追蹤討論串">
+<!ENTITY stopExecution.label "停止篩選">
+
+<!ENTITY addAction.tooltip "新增動作">
+<!ENTITY removeAction.tooltip "移除此動作">
+
+<!-- LOCALIZATION NOTE
+     The values below are used to control the widths of the filter action widgets.
+     Change the values only when the localized strings in the popup menus
+     are truncated in the widgets.
+  -->
+<!-- Flex Attribute: https://developer.mozilla.org/docs/XUL/Attribute/flex -->
+<!ENTITY filterActionTypeFlexValue "1">
+<!ENTITY filterActionTargetFlexValue "4">
diff --git a/l10n-zh-TW/mail/chrome/messenger/FilterListDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/FilterListDialog.dtd
new file mode 100644
index 0000000000..bf16855a8c
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/FilterListDialog.dtd
@@ -0,0 +1,43 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY window.title "郵件篩選條件">
+<!ENTITY nameColumn.label "篩選條件名稱">
+<!ENTITY activeColumn.label "啟用">
+<!ENTITY newButton.label "新增…">
+<!ENTITY newButton.accesskey "N">
+<!ENTITY newButton.popupCopy.label "複製…">
+<!ENTITY newButton.popupCopy.accesskey "C">
+<!ENTITY editButton.label "編輯…">
+<!ENTITY editButton.accesskey "E">
+<!ENTITY deleteButton.label "刪除">
+<!ENTITY deleteButton.accesskey "t">
+<!ENTITY reorderTopButton "移到頂端">
+<!ENTITY reorderTopButton.accessKey "o">
+<!ENTITY reorderTopButton.toolTip "重新整理篩選條件，讓它最早執行">
+<!ENTITY reorderUpButton.label "上移">
+<!ENTITY reorderUpButton.accesskey "U">
+<!ENTITY reorderDownButton.label "下移">
+<!ENTITY reorderDownButton.accesskey "D">
+<!ENTITY reorderBottomButton "移到底端">
+<!ENTITY reorderBottomButton.accessKey "B">
+<!ENTITY reorderBottomButton.toolTip "重新整理篩選條件，讓它最晚執行">
+<!ENTITY filterHeader.label "被勾選的篩選條件將自動依照下列順序進行篩選。">
+<!ENTITY filtersForPrefix.label "篩選:">
+<!ENTITY filtersForPrefix.accesskey "F">
+<!ENTITY viewLogButton.label "篩選記錄">
+<!ENTITY viewLogButton.accesskey "l">
+<!ENTITY runFilters.label "立刻執行">
+<!ENTITY runFilters.accesskey "R">
+<!ENTITY stopFilters.label "停止">
+<!ENTITY stopFilters.accesskey "S">
+<!ENTITY folderPickerPrefix.label "執行篩選條件於:">
+<!ENTITY folderPickerPrefix.accesskey "c">
+<!ENTITY helpButton.label "說明">
+<!ENTITY helpButton.accesskey "H">
+<!ENTITY closeCmd.key "W"> 
+<!ENTITY searchBox.emptyText "用名稱搜尋篩選條件…">
+
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/SearchDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/SearchDialog.dtd
new file mode 100644
index 0000000000..180bb96a0f
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/SearchDialog.dtd
@@ -0,0 +1,38 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- for SearchDialog.xul -->
+<!ENTITY searchHeading.label         "搜尋訊息於:">
+<!ENTITY searchHeading.accesskey     "h">
+<!ENTITY searchSubfolders.label      "搜尋子資料夾">
+<!ENTITY searchSubfolders.accesskey  "e">
+<!ENTITY searchOnServer.label        "在伺服器上執行搜尋">
+<!ENTITY searchOnServer.accesskey    "u">
+<!ENTITY resetButton.label           "清除">
+<!ENTITY resetButton.accesskey       "C">
+<!ENTITY openButton.label            "開啟">
+<!ENTITY openButton.accesskey        "n">
+<!ENTITY deleteButton.label          "刪除">
+<!ENTITY deleteButton.accesskey      "D">
+<!ENTITY searchDialogTitle.label     "搜尋訊息">
+<!ENTITY results.label               "結果">
+<!ENTITY moveButton.label            "移至">
+<!ENTITY moveButton.accesskey        "T">
+<!ENTITY closeCmd.key                "W"> 
+<!ENTITY openInFolder.label          "在資料夾開啟">
+<!ENTITY openInFolder.accesskey      "r">
+<!ENTITY saveAsVFButton.label        "存為即時搜尋資料夾">
+<!ENTITY saveAsVFButton.accesskey    "v">
+
+<!-- for ABSearchDialog.xul -->
+<!ENTITY abSearchHeading.label       "尋找:">
+<!ENTITY abSearchHeading.accesskey   "h">
+<!ENTITY propertiesButton.label      "屬性">
+<!ENTITY propertiesButton.accesskey  "P">
+<!ENTITY composeButton.label         "寫信">
+<!ENTITY composeButton.accesskey     "W">
+<!ENTITY deleteCardButton.label      "刪除">
+<!ENTITY deleteCardButton.accesskey  "D">
+<!ENTITY abSearchDialogTitle.label   "進階通訊錄搜尋">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/aboutDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/aboutDialog.dtd
new file mode 100644
index 0000000000..824df78ebb
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/aboutDialog.dtd
@@ -0,0 +1,116 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY aboutDialog.title          "關於 &brandFullName;">
+
+<!-- LOCALIZATION NOTE (update.*):
+# These strings are also used in the update pane of preferences.
+# See about:preferences#advanced.
+-->
+<!-- LOCALIZATION NOTE (update.checkForUpdatesButton.*, update.updateButton.*):
+# Only one button is present at a time.
+# The button when displayed is located directly under the Thunderbird version in
+# the about dialog.
+-->
+<!ENTITY update.checkForUpdatesButton.label       "檢查更新">
+<!ENTITY update.checkForUpdatesButton.accesskey   "C">
+<!ENTITY update.updateButton.label3               "重新啟動以更新 &brandShorterName;">
+<!ENTITY update.updateButton.accesskey            "R">
+
+
+<!-- LOCALIZATION NOTE (warningDesc.version): This is a warning about the experimental nature of Nightly builds. It is only shown in this version. -->
+<!ENTITY warningDesc.version        "&brandShortName; 是實驗用的測試版本，可能不夠穩定。">
+<!-- LOCALIZATION NOTE (warningDesc.telemetryDesc): This is a notification that Nightly builds automatically send Telemetry data back to Mozilla. It is only shown in this version. "It" refers to brandShortName. -->
+<!ENTITY warningDesc.telemetryDesc  "將會自動傳送關於效能、硬體資訊、使用情況與如何自訂的相關資訊回 &vendorShortName; 以幫助讓 &brandShortName; 變得更好。">
+
+<!-- LOCALIZATION NOTE (community.exp.*) This paragraph is shown in "experimental" builds, i.e. Nightly builds, instead of the other "community.*" strings below. -->
+<!ENTITY community.exp.start        "">
+<!-- LOCALIZATION NOTE (community.exp.mozillaLink): This is a link title that links to https://www.mozilla.org/. -->
+<!ENTITY community.exp.mozillaLink  "&vendorShortName;">
+<!ENTITY community.exp.middle       "是一個">
+<!-- LOCALIZATION NOTE (community.exp.creditslink): This is a link title that links to about:credits. -->
+<!ENTITY community.exp.creditsLink  "全球性社群">
+<!ENTITY community.exp.end          "。我們一起努力讓網路保持開放，任誰都可隨意使用。">
+
+<!ENTITY community.start2           "&brandShortName; 是由 ">
+<!-- LOCALIZATION NOTE (community.mozillaLink): This is a link title that links to https://www.mozilla.org/. -->
+<!ENTITY community.mozillaLink      "&vendorShortName;">
+<!ENTITY community.middle2          " 所開發的產品。Mozilla 是個 ">
+<!-- LOCALIZATION NOTE (community.creditsLink): This is a link title that links to about:credits. -->
+<!ENTITY community.creditsLink      "全球性社群">
+<!ENTITY community.end3             "。我們一起努力讓網路保持開放，任誰都可隨意使用。">
+
+<!ENTITY helpus.start               "想幫忙嗎？">
+<!-- LOCALIZATION NOTE (helpus.donateLink): This is a link title that links to the thunderbird donation page -->
+<!ENTITY helpus.donateLink          "捐款給我們">
+<!ENTITY helpus.middle              "或">
+<!-- LOCALIZATION NOTE (helpus.getInvolvedLink): This is a link title that links to https://www.thunderbird.net/get-involved/. -->
+<!ENTITY helpus.getInvolvedLink     "出力參與！">
+<!ENTITY helpus.end                 "">
+
+<!ENTITY releaseNotes.link          "發行公告">
+
+<!-- LOCALIZATION NOTE (bottomLinks.license): This is a link title that links to about:license. -->
+<!ENTITY bottomLinks.license        "授權資訊">
+
+<!-- LOCALIZATION NOTE (bottomLinks.rights): This is a link title that links to about:rights. -->
+<!ENTITY bottomLinks.rights         "使用者權利">
+
+<!-- LOCALIZATION NOTE (bottomLinks.privacy): This is a link title that links to https://www.mozilla.org/legal/privacy/. -->
+<!ENTITY bottomLinks.privacy        "隱私權保護政策">
+
+<!-- LOCALIZATION NOTE (update.checkingForUpdates): try to make the localized text short (see bug 596813 for screenshots). -->
+<!ENTITY update.checkingForUpdates  "正在檢查更新…">
+<!-- LOCALIZATION NOTE (update.noUpdatesFound): try to make the localized text short (see bug 596813 for screenshots). -->
+<!ENTITY update.noUpdatesFound      "已經是最新版本的 &brandShortName;">
+<!-- LOCALIZATION NOTE (update.adminDisabled): try to make the localized text short (see bug 596813 for screenshots). -->
+<!ENTITY update.adminDisabled       "您的系統管理員已停用更新">
+<!-- LOCALIZATION NOTE (update.otherInstanceHandlingUpdates): try to make the localized text short -->
+<!ENTITY update.otherInstanceHandlingUpdates "&brandShortName; 正被其他執行中的實例更新">
+
+<!-- LOCALIZATION NOTE (update.failed.start,update.failed.linkText,update.failed.end):
+     update.failed.start, update.failed.linkText, and update.failed.end all go into
+     one line with linkText being wrapped in an anchor that links to a site to download
+     the latest version of Firefox (e.g. https://www.firefox.com). As this is all in
+     one line, try to make the localized text short (see bug 596813 for screenshots). -->
+<!ENTITY update.failed.start        "更新失敗。">
+<!ENTITY update.failed.linkText     "下載最新版本">
+<!ENTITY update.failed.end          "">
+
+<!-- LOCALIZATION NOTE (update.manual.start,update.manual.end): update.manual.start and update.manual.end
+     all go into one line and have an anchor in between with text that is the same as the link to a site
+     to download the latest version of Firefox (e.g. https://www.firefox.com). As this is all in one line,
+     try to make the localized text short (see bug 596813 for screenshots). -->
+<!ENTITY update.manual.start        "下載 ">
+<!ENTITY update.manual.linkText     "最新版本">
+<!ENTITY update.manual.end          "">
+
+<!-- LOCALIZATION NOTE (update.unsupported.start,update.unsupported.linkText,update.unsupported.end):
+     update.unsupported.start, update.unsupported.linkText, and
+     update.unsupported.end all go into one line with linkText being wrapped in
+     an anchor that links to a site to provide additional information regarding
+     why the system is no longer supported. As this is all in one line, try to
+     make the localized text short (see bug 843497 for screenshots). -->
+<!ENTITY update.unsupported.start    "您無法在此系統上進行後續更新。">
+<!ENTITY update.unsupported.linkText "了解更多">
+<!ENTITY update.unsupported.end      "">
+
+<!-- LOCALIZATION NOTE (update.downloading.start,update.downloading.end): update.downloading.start and
+     update.downloading.end all go into one line, with the amount downloaded inserted in between. As this
+     is all in one line, try to make the localized text short (see bug 596813 for screenshots). The — is
+     the "em dash" (long dash).
+     example: Downloading update — 111 KB of 13 MB -->
+<!ENTITY update.downloading.start   "正在下載更新 — ">
+<!ENTITY update.downloading.end     "">
+
+<!ENTITY update.applying            "正在套用更新…">
+<!ENTITY update.restarting          "重新啟動中…">
+
+<!-- LOCALIZATION NOTE (channel.description.start,channel.description.end): channel.description.start and
+     channel.description.end create one sentence, with the current channel label inserted in between.
+     example: You are currently on the _Stable_ update channel. -->
+<!ENTITY channel.description.start  "您目前正使用 ">
+<!ENTITY channel.description.end    " 更新頻道。">
+
+<!ENTITY cmdCloseMac.commandKey "w">
diff --git a/l10n-zh-TW/mail/chrome/messenger/aboutDownloads.dtd b/l10n-zh-TW/mail/chrome/messenger/aboutDownloads.dtd
new file mode 100644
index 0000000000..aaef306cde
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/aboutDownloads.dtd
@@ -0,0 +1,24 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY aboutDownloads.title                      "已存檔案">
+<!-- LOCALIZATION NOTE (cmd.show.label, cmd.show.accesskey, cmd.showMac.label,
+     cmd.showMac.accesskey):
+     The show and showMac commands are never shown together, thus they can share
+     the same access key (though the two access keys can also be different).
+     -->
+<!ENTITY cmd.show.label                            "開啟所在資料夾">
+<!ENTITY cmd.show.accesskey                        "F">
+<!ENTITY cmd.showMac.label                         "在 Finder 中顯示">
+<!ENTITY cmd.showMac.accesskey                     "F">
+<!ENTITY cmd.open.label                            "開啟">
+<!ENTITY cmd.open.accesskey                        "O">
+<!ENTITY cmd.removeFromHistory.label               "自下載記錄移除">
+<!ENTITY cmd.removeFromHistory.accesskey           "e">
+<!ENTITY cmd.clearList.label                       "清空下載清單">
+<!ENTITY cmd.clearList.accesskey                   "C">
+<!ENTITY cmd.clearList.tooltip                     "除了正在下載中的項目之外，清除清單中的所有項目。">
+<!ENTITY cmd.searchDownloads.label                 "搜尋…">
+<!ENTITY cmd.searchDownloads.key                   "F">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/aboutRights.properties b/l10n-zh-TW/mail/chrome/messenger/aboutRights.properties
new file mode 100644
index 0000000000..8b69381b1a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/aboutRights.properties
@@ -0,0 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+buttonLabel=瞭解您的權利…
+buttonAccessKey=K
diff --git a/l10n-zh-TW/mail/chrome/messenger/aboutSupportMail.properties b/l10n-zh-TW/mail/chrome/messenger/aboutSupportMail.properties
new file mode 100644
index 0000000000..36f81f493b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/aboutSupportMail.properties
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (warningLabel): Label for warning text that shows up when private data is included
+warningLabel=警告：
+# LOCALIZATION NOTE (warningText): Warning text that shows up when private data is included
+warningText=這包含在未經同意前不該被轉寄或公開的敏感性資訊。
+
+# LOCALIZATION NOTE (fsType.local): Indicator that the displayed directory is on a local drive
+fsType.local = （本機磁碟）
+# LOCALIZATION NOTE (fsType.network): Indicator that the displayed directory is on the network
+fsType.network = （網路磁碟）
+# LOCALIZATION NOTE (fsType.unknown): Indicator that we couldn't figure out whether the directory is local or on a network
+fsType.unknown = （未知位置）
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/accountCreationModel.properties b/l10n-zh-TW/mail/chrome/messenger/accountCreationModel.properties
new file mode 100644
index 0000000000..4458360131
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/accountCreationModel.properties
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This file has the strings, mostly error strings, for the logic / JS backend / model
+# files: fetchConfig.js, readFromXML.js, guessConfig.js, verifyConfig.js, createInBackend.js
+
+
+# readFromXML.js
+no_emailProvider.error=該 XML 配置檔不包含電子郵件帳號設定。
+outgoing_not_smtp.error=寄件伺服器必須是 SMTP 。
+
+# verifyConfig.js
+cannot_login.error=無法登入到伺服器。也許是帳號、密碼或設定錯誤。
+
+# guessConfig.js
+cannot_find_server.error=找不到伺服器
+
+# exchangeAutoDiscover.js
+no_autodiscover.error=Exchange AutoDiscover XML 無效。
diff --git a/l10n-zh-TW/mail/chrome/messenger/accountCreationUtil.properties b/l10n-zh-TW/mail/chrome/messenger/accountCreationUtil.properties
new file mode 100644
index 0000000000..0a107546e3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/accountCreationUtil.properties
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This file has the strings, mostly error strings, for the logic / JS backend / model
+# files: sanitizeDatatypes.js, fetchhttp.js, util.js
+
+
+# sanitizeDatatypes.js
+hostname_syntax.error=主機名稱為空白的或者包含被禁止的字元。只有英文字母、數字、「-」和「.」是被允許的。
+alphanumdash.error=包含了不支援的字元。只有英文字母、數字、「-」和「_」是被允許的。
+allowed_value.error=提供的值並不在允許清單裡
+url_scheme.error=網址(URL)結構不被允許
+url_parsing.error=網址(URL)不被認可
+string_empty.error=您必須提供一個值給這個字串
+boolean.error=並非一個布林值(Boolean)
+no_number.error=並非一個數字
+number_too_large.error=數值太大了
+number_too_small.error=數值太小了
+
+
+# fetchhttp.js
+cannot_contact_server.error=無法連繫伺服器
+bad_response_content.error=錯誤的回應內容
+
+# verifyConfig.js
+# LOCALIZATION NOTE(auth_failed_generic.error): The login failed (server refused to allow the user in), but the server did not give any meaningful error message. This is a common case when the user entered a wrong password or is otherwise not allowed.
+auth_failed_generic.error=登入失敗。請確認使用者帳號、電子郵件地址，以及密碼是否正確。
+# LOCALIZATION NOTE(auth_failed_with_reason.error): The login failed (server refused to allow the user in), and the server gave an error message which we can present to the user. This is a common case when the user entered a wrong password or is otherwise not allowed. %1$S will be the IMAP/POP3/SMTP server hostname. %2$S will be the error message from the server (usually in the local language where the server is or in English).
+auth_failed_with_reason.error=登入失敗。伺服器 %1$S 回應: %2$S
+# LOCALIZATION NOTE(verification_failed.error): We had some other error, not during authentication with the server, but at earlier points, e.g. locally or we entirely failed to contact the given server, and we unfortunately have no detailed error message.
+verification_failed.error=登入驗證因為未知的原因失敗。
+# LOCALIZATION NOTE(verification_failed_with_exception.error): We had some other error, not during authentication with the server, but at earlier points, e.g. locally or we entirely failed to contact the given server, and we have an error message. %1$S will be an error message, possibly in English
+verification_failed_with_exception.error=登入驗證失敗，錯誤訊息: %1$S
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/activity.dtd b/l10n-zh-TW/mail/chrome/messenger/activity.dtd
new file mode 100644
index 0000000000..d718d939c3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/activity.dtd
@@ -0,0 +1,19 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE (window.width2, window.height): These values should be
+close to the golden ratio (1.618:1) while making sure it's wide enough for long
+file names and tall enough to hint that there are more activities in the list -->
+<!ENTITY window.width2                    "485">
+<!ENTITY window.height                    "300">
+
+<!ENTITY activity.title                  "活動管理員">
+
+<!ENTITY cmd.close.commandkey             "w">
+<!ENTITY cmd.close2.commandkey            "j">
+<!ENTITY cmd.close2Unix.commandkey        "y">
+<!ENTITY cmd.clearList.label              "清空活動清單">
+<!ENTITY cmd.clearList.tooltip            "從清單中移除已完成、已取消和失敗的項目">
+<!ENTITY cmd.clearList.accesskey          "C">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/activity.properties b/l10n-zh-TW/mail/chrome/messenger/activity.properties
new file mode 100644
index 0000000000..7365570699
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/activity.properties
@@ -0,0 +1,99 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Status Text
+paused2=已暫停
+processing=處理中
+notStarted=尚未開始
+failed=失敗
+waitingForInput=等待輸入
+waitingForRetry=等待回覆
+completed=完成
+canceled=已取消
+
+# LOCALIZATION NOTE (sendingMessages): this is used as a title for grouping processes in the activity manager when sending email.
+sendingMessages=正在寄出訊息
+sendingMessage=正在寄出訊息
+# LOCALIZATION NOTE (sendingMessageWithSubject): %S will be replaced by the subject of the message being sent.
+sendingMessageWithSubject=正在寄出訊息: %S
+copyMessage=正在複製郵件至寄件備份資料夾
+sentMessage=郵件已寄送
+# LOCALIZATION NOTE (sentMessageWithSubject): %S will be replaced by the subject of the message being sent.
+sentMessageWithSubject=郵件已寄送: %S
+failedToSendMessage=寄送郵件失敗
+failedToCopyMessage=複製郵件失敗
+# LOCALIZATION NOTE (failedToSendMessageWithSubject): %S will be replaced by the subject of the message being sent.
+failedToSendMessageWithSubject=寄送郵件失敗: %S
+# LOCALIZATION NOTE (failedToCopyMessageWithSubject): %S will be replaced by the subject of the message being sent.
+failedToCopyMessageWithSubject=複製郵件失敗: %S
+
+# LOCALIZATION NOTE (autosyncProcessProgress2): Do not translate the words "%1$S", "%2$S", "%3$S" and "%4$S" below.
+# Place the word %1$S in your translation where the number of the message being downloaded should appear.
+# Place the word %2$S in your translation where the total number of messages to be downloaded should appear.
+# Place the word %3$S in your translation where the name of the folder being processed should appear.
+# Place the word %4$S in your translation where the name of account being processed should appear.
+# EXAMPLE: Ted's account: Downloading message 334 of 1008 in Inbox…
+autosyncProcessProgress2=%4$S: 正在下載第 %1$S 封訊息至 %3$S，共 %2$S 封…
+# LOCALIZATION NOTE (autosyncProcessDisplayText): %S will be replaced by the folder name
+autosyncProcessDisplayText=正在更新 %S 信件匣
+# LOCALIZATION NOTE (autosyncEventDisplayText): %S will be replaced by the account name
+autosyncEventDisplayText=已更新 %S
+# LOCALIZATION NOTE (autosyncEventStatusText): %S will be replaced by total number of downloaded messages
+autosyncEventStatusText=下載郵件總數: %S
+autosyncEventStatusTextNoMsgs=沒有下載郵件
+# LOCALIZATION NOTE (autosyncContextDisplayText): %S will be replaced by the account name
+autosyncContextDisplayText=正在同步: %S
+
+# LOCALIZATION NOTE (pop3EventStartDisplayText2): Do not translate the words "%1$S" and "%2$S" below.
+# Place the word %1$S in your translation where the name of the account being checked for new messages should appear.
+# Place the word %2$S in your translation where the name of the folder being checked for new messages should appear.
+# EXAMPLE: George's account: Checking Inbox for new messages…
+pop3EventStartDisplayText2=%1$S: 正在檢查 %2$S 是否有新訊息…
+# LOCALIZATION NOTE (pop3EventDisplayText): %S will be replaced by the account name
+pop3EventDisplayText=已更新 %S
+# LOCALIZATION NOTE (pop3EventStatusText): #1 will be replaced by total number of downloaded messages
+pop3EventStatusText=#1 封郵件下載完成
+pop3EventStatusTextNoMsgs=沒有需要下載的新郵件
+
+# Message actions that show up in activity manager
+# LOCALIZATION NOTE (deletedMessages2): #1 number of messages, #2 folder name
+deletedMessages2=已從 #2 刪除 #1 封郵件
+# LOCALIZATION NOTE (movedMessages): #1 number of messages, #2 and #3: folder names
+movedMessages=已從 #2 移動 #1 封郵件至 #3
+# LOCALIZATION NOTE (copiedMessages): #1 number of messages, #2 and #3: folder names
+copiedMessages=已從 #2 複製 #3 封郵件至 #3
+# LOCALIZATION NOTE (fromServerToServer): #1 source server, #2 destination server
+fromServerToServer=從 #1 至 #2
+# LOCALIZATION NOTE (deletedFolder): #1 folder name
+deletedFolder=已刪除資料夾 #1
+emptiedTrash=已清空垃圾桶
+# LOCALIZATION NOTE (movedFolder): #1 and #2 are folder names
+movedFolder=已移動資料夾 #1 至 #2 下
+# LOCALIZATION NOTE (movedFolderToTrash): #1 is the folder name
+movedFolderToTrash=已移動資料夾 #1 到垃圾桶
+# LOCALIZATION NOTE (copiedFolder): #1 and #2 are folder names
+copiedFolder=已複製資料夾 #1 至 #2 下
+# LOCALIZATION NOTE (renamedFolder): #1 and #2 are folder names
+renamedFolder=已重新命名資料夾 #1 至 #2
+indexing=正在建立索引
+# LOCALIZATION NOTE (indexingFolder): #1 is a folder name
+indexingFolder=正在建立資料夾 #1 的索引
+indexingStatusVague=正在決定要索引的郵件
+# LOCALIZATION NOTE (indexingFolderStatusVague): #1 is a folder name
+indexingFolderStatusVague=正在決定 #1 中要置於收件夾的郵件
+# LOCALIZATION NOTE (indexingStatusExact):
+#   #1 is the number of the message currently being indexed
+#   #2 is the total number of messages being indexed
+#   #3 is the percentage of indexing that is complete
+indexingStatusExact=正在建立 #1/#2 封郵件的索引（已完成 #3%）
+# LOCALIZATION NOTE (indexingFolderStatusExact):
+#   #1 is the number of the message currently being indexed
+#   #2 is the total number of messages being indexed
+#   #3 is the percentage of indexing that is complete
+#   #4 is a folder name
+indexingFolderStatusExact=正在建立 #4 中 #1/#2 封郵件的索引（已完成 #3%）
+# LOCALIZATION NOTE (indexedFolder): #1 number of messages; #2 folder name
+indexedFolder=已建立 #2 中 #1 封郵件的索引
+# LOCALIZATION NOTE (indexedFolderStatus): #1 number of seconds spent indexing
+indexedFolderStatus=費時 #1 秒
diff --git a/l10n-zh-TW/mail/chrome/messenger/addbuddy.dtd b/l10n-zh-TW/mail/chrome/messenger/addbuddy.dtd
new file mode 100644
index 0000000000..8272ada1ca
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addbuddy.dtd
@@ -0,0 +1,8 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY addBuddyWindow.title           "新增聯絡人">
+<!ENTITY name.label                     "使用者名稱">
+<!ENTITY account.label                  "帳號">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addons.properties b/l10n-zh-TW/mail/chrome/messenger/addons.properties
new file mode 100644
index 0000000000..0e961d799b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addons.properties
@@ -0,0 +1,256 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+xpinstallPromptMessage=%S 已阻擋此網站向您詢問是否要在電腦上安裝軟體。
+# LOCALIZATION NOTE (xpinstallPromptMessage.header)
+# The string contains the hostname of the site the add-on is being installed from.
+xpinstallPromptMessage.header=要允許 %S 安裝附加元件嗎？
+xpinstallPromptMessage.message=您正在嘗試安裝來自 %S 的附加元件。繼續之前請確保您信任此網站。
+xpinstallPromptMessage.header.unknown=要允許未知網站安裝附加元件嗎？
+xpinstallPromptMessage.message.unknown=您正在嘗試安裝未知來源的附加元件。繼續之前請確保您信任此網站。
+xpinstallPromptMessage.learnMore=了解如何於安裝附加元件時確保安全的更多資訊
+xpinstallPromptMessage.dontAllow=不允許
+xpinstallPromptMessage.dontAllow.accesskey=D
+xpinstallPromptMessage.neverAllow=永不允許
+xpinstallPromptMessage.neverAllow.accesskey=N
+# Accessibility Note:
+# Be sure you do not choose an accesskey that is used elsewhere in the active context (e.g. main menu bar, submenu of the warning popup button)
+# See https://website-archive.mozilla.org/www.mozilla.org/access/access/keyboard/ for details
+xpinstallPromptMessage.install=繼續安裝
+xpinstallPromptMessage.install.accesskey=C
+
+# Accessibility Note:
+# Be sure you do not choose an accesskey that is used elsewhere in the active context (e.g. main menu bar, submenu of the warning popup button)
+# See http://www.mozilla.org/access/keyboard/accesskey for details
+xpinstallDisabledMessageLocked=您的系統管理員已停用軟體安裝。
+xpinstallDisabledMessage=目前已禁止安裝軟體。請點擊「啟用」後再試一次。
+xpinstallDisabledButton=啟用
+xpinstallDisabledButton.accesskey=n
+
+# LOCALIZATION NOTE (addonInstallBlockedByPolicy)
+# This message is shown when the installation of an add-on is blocked by
+# enterprise policy. %1$S is replaced by the name of the add-on.
+# %2$S is replaced by the ID of add-on. %3$S is a custom message that
+# the administration can add to the message.
+addonInstallBlockedByPolicy=您的系統管理員已封鎖 %1$S（%2$S）。%3$S
+# LOCALIZATION NOTE (addonDomainBlockedByPolicy)
+# This message is shown when the installation of add-ons from a domain
+# is blocked by enterprise policy.
+addonDomainBlockedByPolicy=您的系統管理員已阻擋此網站向您詢問是否要在電腦上安裝軟體。
+
+# LOCALIZATION NOTE (addonPostInstall.message2)
+# %S is replaced with the localized named of the extension that was
+# just installed.
+addonPostInstall.message2=已安裝 %S
+
+# LOCALIZATION NOTE (addonDownloadingAndVerifying):
+# Semicolon-separated list of plural forms. See:
+# http://developer.mozilla.org/en/docs/Localization_and_Plurals
+# Also see https://bugzilla.mozilla.org/show_bug.cgi?id=570012 for mockups
+addonDownloadingAndVerifying=正在下載與驗證 #1 套附加元件…
+addonDownloadVerifying=驗證中
+
+addonInstall.unsigned=（未驗證）
+addonInstall.cancelButton.label=取消
+addonInstall.cancelButton.accesskey=C
+addonInstall.acceptButton2.label=新增
+addonInstall.acceptButton2.accesskey=A
+
+# LOCALIZATION NOTE (addonConfirmInstallMessage,addonConfirmInstallUnsigned):
+# Semicolon-separated list of plural forms. See:
+# http://developer.mozilla.org/en/docs/Localization_and_Plurals
+# #1 is brandShortName
+# #2 is the number of add-ons being installed
+addonConfirmInstall.message=此網站想安裝 #2 套附加元件到 #1:
+addonConfirmInstallUnsigned.message=警告: 此網站想要安裝 #2 套未驗證的附加元件到 #1，請小心。
+
+# LOCALIZATION NOTE (addonConfirmInstallSomeUnsigned.message):
+# Semicolon-separated list of plural forms. See:
+# http://developer.mozilla.org/en/docs/Localization_and_Plurals
+# #1 is brandShortName
+# #2 is the total number of add-ons being installed (at least 2)
+addonConfirmInstallSomeUnsigned.message=警告: 此網站想要安裝 #2 套附加元件到 #1，當中有些還沒有經過驗證，請小心。
+
+# LOCALIZATION NOTE (addonInstalled):
+# %S is the name of the add-on
+addonInstalled=成功安裝 %S。
+# LOCALIZATION NOTE (addonsGenericInstalled):
+# Semicolon-separated list of plural forms. See:
+# http://developer.mozilla.org/en/docs/Localization_and_Plurals
+# #1 number of add-ons
+addonsGenericInstalled=成功安裝 #1 套附加元件。
+
+# LOCALIZATION NOTE (addonInstallError-1, addonInstallError-2, addonInstallError-3, addonInstallError-4, addonInstallError-5, addonLocalInstallError-1, addonLocalInstallError-2, addonLocalInstallError-3, addonLocalInstallError-4, addonLocalInstallError-5):
+# %1$S is the application name, %2$S is the add-on name
+addonInstallError-1=因為連線失敗，無法下載附加元件。
+addonInstallError-2=因為不符合 %1$S 所預期的附加元件，無法安裝。
+addonInstallError-3=因為檔案看起來已經毀損，無法安裝從這個網站下載的附加元件。
+addonInstallError-4=因為 %1$S 無法修改必要的檔案，無法安裝 %2$S。
+addonInstallError-5=%1$S 已防止此網站安裝未驗證的附加元件。
+addonLocalInstallError-1=由於檔案系統錯誤，無法安裝此附加元件。
+addonLocalInstallError-2=因為不符合 %1$S 所預期的附加元件，無法安裝。
+addonLocalInstallError-3=檔案似乎已損毀，無法安裝此附加元件。
+addonLocalInstallError-4=因為 %1$S 無法修改必要的檔案，無法安裝 %2$S。
+addonLocalInstallError-5=因為此附加元件尚未經過驗證，無法安裝。
+
+# LOCALIZATION NOTE (addonInstallErrorIncompatible):
+# %1$S is the application name, %2$S is the application version, %3$S is the add-on name
+addonInstallErrorIncompatible=因為與 %1$S %2$S 不相容，無法安裝 %3$S。
+
+# LOCALIZATION NOTE (addonInstallErrorBlocklisted): %S is add-on name
+addonInstallErrorBlocklisted=無法安裝 %S，因為它很可能會造成穩定性或安全性問題。
+
+# LOCALIZATION NOTE (webextPerms.header,webextPerms.headerWithPerms,webextPerms.headerUnsigned,webextPerms.headerUnsignedWithPerms)
+# These strings are used as headers in the webextension permissions dialog,
+# %S is replaced with the localized name of the extension being installed.
+# See https://bug1308309.bmoattachments.org/attachment.cgi?id=8814612
+# for an example of the full dialog.
+# Note, these strings will be used as raw markup. Avoid characters like <, >, &
+webextPerms.header=要安裝 %S 嗎？
+
+# %S is brandShortName
+webextPerms.experimentWarning=惡意的附加元件可偷走您的個人資訊，或讓您的電腦成為有害軟體散佈的溫床。請只在信任此元件的來源時才安裝。
+webextPerms.headerWithPerms=要安裝 %S 嗎？此擴充套件將有下列權限:
+webextPerms.headerUnsigned=要安裝 %S 嗎？此擴充套件尚未經過驗證。惡意的擴充套件可偷走您的個人資訊，或讓您的電腦成為有害軟體散佈的溫床。請只在信任此套件的來源時才安裝。
+webextPerms.headerUnsignedWithPerms=要安裝 %S 嗎？此擴充套件尚未經過驗證。惡意的擴充套件可偷走您的個人資訊，或讓您的電腦成為有害軟體散佈的溫床。請只在信任此元件的來源時才安裝。此擴充套件將有下列權限:
+webextPerms.learnMore2=了解更多
+webextPerms.add.label=新增
+webextPerms.add.accessKey=A
+webextPerms.cancel.label=取消
+webextPerms.cancel.accessKey=C
+
+# LOCALIZATION NOTE (webextPerms.sideloadMenuItem)
+# %1$S will be replaced with the localized name of the sideloaded add-on.
+# %2$S will be replace with the name of the application (e.g., Firefox, Nightly)
+webextPerms.sideloadMenuItem=已安裝 %1$S 至 %2$S
+
+# LOCALIZATION NOTE (webextPerms.sideloadHeader)
+# This string is used as a header in the webextension permissions dialog
+# when the extension is side-loaded.
+# %S is replaced with the localized name of the extension being installed.
+# Note, this string will be used as raw markup. Avoid characters like <, >, &
+webextPerms.sideloadHeader=已安裝 %S
+webextPerms.sideloadText2=您電腦上的其他軟體，安裝了可能會影響瀏覽器的附加元件。請確認此附加元件要求的權限，然後選擇啟用或保持停用。
+webextPerms.sideloadTextNoPerms=您電腦上的其他軟體，安裝了可能會影響瀏覽器的附加元件。請選擇要啟用或保持停用。
+
+webextPerms.sideloadEnable.label=啟用
+webextPerms.sideloadEnable.accessKey=Ë
+webextPerms.sideloadCancel.label=取消
+webextPerms.sideloadCancel.accessKey=C
+
+# LOCALIZATION NOTE (webextPerms.updateMenuItem)
+# %S will be replaced with the localized name of the extension which
+# has been updated.
+webextPerms.updateMenuItem=%S 要求新權限
+
+# LOCALIZATION NOTE (webextPerms.updateText2)
+# %S is replaced with the localized name of the updated extension.
+# Note, this string will be used as raw markup. Avoid characters like <, >, &
+webextPerms.updateText2=%S 已有更新。您必須允許新版套件所要求的權限，才會安裝。點擊「取消」可繼續使用目前版本的擴充套件。此擴充套件將有下列權限:
+
+webextPerms.updateAccept.label=更新
+webextPerms.updateAccept.accessKey=U
+
+# LOCALIZATION NOTE (webextPerms.optionalPermsHeader)
+# %S is replace with the localized name of the extension requested new
+# permissions.
+# Note, this string will be used as raw markup. Avoid characters like <, >, &
+webextPerms.optionalPermsHeader=%S 要求更多權限。
+webextPerms.optionalPermsListIntro=它想要:
+webextPerms.optionalPermsAllow.label=允許
+webextPerms.optionalPermsAllow.accessKey=A
+webextPerms.optionalPermsDeny.label=拒絕
+webextPerms.optionalPermsDeny.accessKey=D
+
+webextPerms.description.accountsFolders=建立、更名或刪除您的郵件帳號資料夾
+webextPerms.description.accountsIdentities=建立、修改或刪除您的郵件帳號身分
+webextPerms.description.accountsRead2=查看您的郵件帳號、身分及信件匣
+webextPerms.description.addressBooks=讀取或修改通訊錄或聯絡人資料
+webextPerms.description.bookmarks=讀取或修改書籤
+webextPerms.description.browserSettings=讀取或修改瀏覽器設定
+webextPerms.description.browsingData=清除最近的瀏覽紀錄、Cookie 等相關資料
+webextPerms.description.clipboardRead=取得剪貼簿中的資料
+webextPerms.description.clipboardWrite=輸入資料到剪貼簿
+webextPerms.description.compose=在您撰寫和發送電子郵件時，讀取或修改訊息內容
+webextPerms.description.compose.send=用您的身分寄出撰寫好的郵件訊息
+webextPerms.description.compose.save=將撰寫的電子郵件另存為草稿或範本
+webextPerms.description.declarativeNetRequest=封鎖任何頁面上的內容
+webextPerms.description.devtools=讓開發者工具可存取您在開啟分頁中的資料
+webextPerms.description.dns=存取 IP 地址與主機名稱資訊
+webextPerms.description.downloads=下載檔案、讀取或修改瀏覽器的下載紀錄
+webextPerms.description.downloads.open=開啟下載到您電腦上的檔案
+# LOCALIZATION NOTE (webextPerms.description.experiment)
+# %S will be replaced with the name of the application
+webextPerms.description.experiment=對 %S 與您的電腦有完整不受限制的存取權
+webextPerms.description.find=讀取所有開啟分頁當中的文字內容
+webextPerms.description.geolocation=取得您的所在位置
+webextPerms.description.history=取得瀏覽紀錄
+webextPerms.description.management=監控擴充套件使用情況並管理佈景主題
+webextPerms.description.messagesImport=將訊息匯入 Thunderbird
+webextPerms.description.messagesModify=在向您顯示郵件時讀取和修改內容
+webextPerms.description.messagesMove2=複製或移動您的郵件訊息（包含將訊息移動到垃圾桶）
+webextPerms.description.messagesDelete=永久刪除您的郵件訊息
+webextPerms.description.messagesRead=閱讀您的郵件訊息，並標示或標記郵件
+webextPerms.description.messagesTags=建立、修改、刪除訊息標籤
+# LOCALIZATION NOTE (webextPerms.description.nativeMessaging)
+# %S will be replaced with the name of the application
+webextPerms.description.nativeMessaging=與 %S 以外的程式交換訊息
+webextPerms.description.notifications=向您顯示通知
+webextPerms.description.pkcs11=提供加密驗證服務
+webextPerms.description.privacy=讀取或修改隱私設定
+webextPerms.description.proxy=控制瀏覽器代理伺服器設定
+webextPerms.description.sessions=取得最近關閉的分頁
+webextPerms.description.tabs=存取瀏覽器分頁
+webextPerms.description.tabHide=隱藏或顯示瀏覽器分頁
+webextPerms.description.topSites=取得瀏覽紀錄
+webextPerms.description.unlimitedStorage=在客戶端儲存無限量資料
+webextPerms.description.webNavigation=在上網時了解瀏覽器行為狀態
+
+webextPerms.hostDescription.allUrls=存取您所有網站中的資料
+
+# LOCALIZATION NOTE (webextPerms.hostDescription.wildcard)
+# %S will be replaced by the DNS domain for which a webextension
+# is requesting access (e.g., mozilla.org)
+webextPerms.hostDescription.wildcard=存取您在 %S 網域中的資料
+
+# LOCALIZATION NOTE (webextPerms.hostDescription.tooManyWildcards):
+# Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
+# #1 will be replaced by an integer indicating the number of additional
+# domains for which this webextension is requesting permission.
+webextPerms.hostDescription.tooManyWildcards=存取您在其他 #1 個網域中的資料
+
+# LOCALIZATION NOTE (webextPerms.hostDescription.oneSite)
+# %S will be replaced by the DNS host name for which a webextension
+# is requesting access (e.g., www.mozilla.org)
+webextPerms.hostDescription.oneSite=存取您在 %S 的資料
+
+# LOCALIZATION NOTE (webextPerms.hostDescription.tooManySites)
+# Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
+# #1 will be replaced by an integer indicating the number of additional
+# hosts for which this webextension is requesting permission.
+webextPerms.hostDescription.tooManySites=存取您在其他 #1 個網站中的資料
+
+# LOCALIZATION NOTE (webextSitePerms.headerWithPerms,webextSitePerms.headerUnsignedWithPerms)
+# This string is used as a header in the webextension permissions dialog,
+# %1$S is replaced with the localized name of the extension being installed.
+# %2$S will be replaced by the DNS host name for which a webextension enables permissions
+# Note, this string will be used as raw markup. Avoid characters like <, >, &
+webextSitePerms.headerWithPerms=要安裝 %1$S 嗎？此擴充套件將把下列權限授予 %2$S:
+webextSitePerms.headerUnsignedWithPerms=要安裝 %1$S 嗎？此擴充套件尚未經過驗證。惡意的擴充套件可偷走您的個人資訊，或讓您的電腦成為有害軟體散佈的溫床。請只在信任此元件的來源時才安裝。此擴充套件將授予 %2$S 下列功能:
+
+# These should remain in sync with permissions.NAME.label in sitePermissions.properties
+webextSitePerms.description.midi=存取 MIDI 裝置
+webextSitePerms.description.midi-sysex=存取 MIDI 裝置並支援 SysEx
+
+# LOCALIZATION NOTE (webext.defaultSearch.description)
+# %1$S is replaced with the localized named of the extension that is asking to change the default search engine.
+# %2$S is replaced with the name of the current search engine
+# %3$S is replaced with the name of the new search engine
+webext.defaultSearch.description=%1$S 想要將您的預設搜尋引擎從 %2$S 修改為 %3$S。這樣可以嗎？
+webext.defaultSearchYes.label=是
+webext.defaultSearchYes.accessKey=Y
+webext.defaultSearchNo.label=否
+webext.defaultSearchNo.accessKey=N
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/abAddressBookNameDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/abAddressBookNameDialog.dtd
new file mode 100644
index 0000000000..3775cdee02
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/abAddressBookNameDialog.dtd
@@ -0,0 +1,8 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Labels -->
+<!ENTITY name.label      "通訊錄名稱">
+<!ENTITY name.accesskey  "A">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/abContactsPanel.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/abContactsPanel.dtd
new file mode 100644
index 0000000000..08d686aef5
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/abContactsPanel.dtd
@@ -0,0 +1,49 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY propertiesMenu.label               "屬性">
+<!ENTITY propertiesMenu.accesskey           "i">
+<!ENTITY propertiesCmd.key                  "i">
+<!ENTITY abPropertiesMenu.label             "通訊錄屬性">
+<!ENTITY abPropertiesMenu.accesskey         "i">
+<!ENTITY contactPropertiesMenu.label        "連絡人屬性">
+<!ENTITY contactPropertiesMenu.accesskey    "i">
+<!ENTITY mailingListPropertiesMenu.label    "郵件群組屬性">
+<!ENTITY mailingListPropertiesMenu.accesskey "i">
+
+<!ENTITY abContextMenuButton.tooltip        "顯示通訊錄選單">
+<!ENTITY addressbookPicker.label            "通訊錄:">
+<!ENTITY addressbookPicker.accesskey        "k">
+<!ENTITY searchContacts.label               "搜尋連絡人:">
+<!ENTITY searchContacts.accesskey           "n">
+<!ENTITY SearchNameOrEmail.label            "姓名 或 Email">
+
+<!ENTITY addtoToFieldMenu.label             "加到收件者 (To) 欄位">
+<!ENTITY addtoToFieldMenu.accesskey         "A">
+<!ENTITY addtoCcFieldMenu.label             "加到副本 (Cc) 欄位">
+<!ENTITY addtoCcFieldMenu.accesskey         "C">
+<!ENTITY addtoBccFieldMenu.label            "加到密件副本 (Bcc) 欄位">
+<!ENTITY addtoBccFieldMenu.accesskey        "B">
+<!ENTITY deleteAddrBookCard.label           "刪除">
+<!ENTITY deleteAddrBookCard.accesskey       "D">
+<!ENTITY propertiesContext.label            "屬性">
+<!ENTITY propertiesContext.accesskey        "i">
+<!ENTITY abPropertiesContext.label          "屬性">
+<!ENTITY abPropertiesContext.accesskey      "i">
+<!ENTITY editContactContext.label           "編輯連絡人">
+<!ENTITY editContactContext.accesskey       "E">
+<!ENTITY editMailingListContext.label       "編輯清單">
+<!ENTITY editMailingListContext.accesskey   "E">
+
+<!ENTITY newContactAbContext.label          "新增連絡人">
+<!ENTITY newContactAbContext.accesskey      "C">
+<!ENTITY newListAbContext.label             "新增群組名單">
+<!ENTITY newListAbContext.accesskey         "L">
+
+<!ENTITY toButton.label                     "加到收件者 (To):">
+<!ENTITY toButton.accesskey                 "A">
+<!ENTITY ccButton.label                     "加到副本 (Cc):">
+<!ENTITY ccButton.accesskey                 "C">
+<!ENTITY bccButton.label                    "加到密件副本 (Bcc):">
+<!ENTITY bccButton.accesskey                "B">
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/abMailListDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/abMailListDialog.dtd
new file mode 100644
index 0000000000..15640e5a63
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/abMailListDialog.dtd
@@ -0,0 +1,22 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Title -->
+<!ENTITY mailListWindowAdd.title        "新增郵件群組">
+
+<!-- Labels and Access Keys -->
+<!ENTITY addToAddressBook.label         "新增到: ">
+<!ENTITY addToAddressBook.accesskey     "A">
+<!ENTITY ListName.label                 "清單名稱:">
+<!ENTITY ListName.accesskey             "L">
+<!ENTITY ListNickName.label             "群組暱稱: ">
+<!ENTITY ListNickName.accesskey         "N">
+<!ENTITY ListDescription.label          "描述: ">
+<!ENTITY ListDescription.accesskey      "e">
+<!-- See bug 58485, when we implement drag and drop, add 'or drag addresses' back in -->
+<!ENTITY AddressTitle.label             "輸入 Email 地址以加入群組信名單:">
+<!ENTITY AddressTitle.accesskey         "m">
+<!ENTITY UpButton.label                 "上移">
+<!ENTITY DownButton.label               "下移">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/abMainWindow.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/abMainWindow.dtd
new file mode 100644
index 0000000000..b8cc6ab8cd
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/abMainWindow.dtd
@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY showAsDefault.label                            "預設啟動目錄">
+<!ENTITY showAsDefault.accesskey                        "S">
+
+<!-- Search Bar -->
+<!ENTITY SearchNameOrEmail.label                        "姓名 或 Email">
+
+<!-- Results Pane -->
+<!ENTITY Addrbook.label                                 "通訊錄">
+<!ENTITY GeneratedName.label                            "姓名">
+<!ENTITY PrimaryEmail.label                             "電子郵件">
+
+<!-- Card Summary Pane -->
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/abResultsPane.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/abResultsPane.dtd
new file mode 100644
index 0000000000..521b8fb9a3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/abResultsPane.dtd
@@ -0,0 +1,38 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY Addrbook.label                        "通訊錄">
+<!ENTITY Addrbook.accesskey                    "B">
+<!ENTITY GeneratedName.label                   "名稱">
+<!ENTITY GeneratedName.accesskey               "N">
+<!ENTITY PrimaryEmail.label                    "電子郵件">
+<!ENTITY PrimaryEmail.accesskey                "E">
+<!ENTITY Company.label                         "公司">
+<!ENTITY Company.accesskey                     "z">
+<!ENTITY _PhoneticName.label                   "姓名注音">
+<!ENTITY _PhoneticName.accesskey               "o">
+<!ENTITY NickName.label                        "暱稱">
+<!ENTITY NickName.accesskey                    "i">
+<!ENTITY SecondEmail.label                     "其它 Email">
+<!ENTITY SecondEmail.accesskey                 "l">
+<!ENTITY Department.label                      "部門">
+<!ENTITY Department.accesskey                  "r">
+<!ENTITY JobTitle.label                        "頭銜">
+<!ENTITY JobTitle.accesskey                    "T">
+<!ENTITY CellularNumber.label                  "行動電話">
+<!ENTITY CellularNumber.accesskey              "M">
+<!ENTITY PagerNumber.label                     "呼叫器">
+<!ENTITY PagerNumber.accesskey                 "P">
+<!ENTITY FaxNumber.label                       "傳真">
+<!ENTITY FaxNumber.accesskey                   "F">
+<!ENTITY HomePhone.label                       "住家電話">
+<!ENTITY HomePhone.accesskey                   "H">
+<!ENTITY WorkPhone.label                       "商務電話">
+<!ENTITY WorkPhone.accesskey                   "W">
+<!ENTITY ChatName.label                        "聊天名稱">
+<!ENTITY ChatName.accesskey                    "C">
+<!ENTITY sortAscending.label                   "由小到大">
+<!ENTITY sortAscending.accesskey               "A">
+<!ENTITY sortDescending.label                  "由大到小">
+<!ENTITY sortDescending.accesskey              "D">
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/addressBook.properties b/l10n-zh-TW/mail/chrome/messenger/addressbook/addressBook.properties
new file mode 100644
index 0000000000..8a5baa589b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/addressBook.properties
@@ -0,0 +1,178 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# The following are used by the Mailing list dialog.
+# LOCALIZATION NOTE (mailingListTitleEdit): %S will be replaced by the Mailing List's display name.
+mailingListTitleEdit=編輯 %S
+emptyListName=您必須輸入一個群組名稱。
+badListNameCharacters=清單名稱不得包含下列特殊符號: < > ; , "
+badListNameSpaces=清單名稱不得使用連續的空格。
+lastFirstFormat=%S%S
+firstLastFormat=%S %S
+
+allAddressBooks=所有通訊錄
+
+newContactTitle=新連絡人
+# %S will be the contact's display name
+newContactTitleWithDisplayName=新連絡人「%S」
+editContactTitle=編輯連絡人
+# %S will be the contact's display name
+editContactTitleWithDisplayName=編輯連絡人「%S」
+# don't translate vCard
+editVCardTitle=編輯電子名片
+# %S will be the card's display name, don't translate vCard
+editVCardTitleWithDisplayName=編輯 %S 的 vCard 電子名片
+
+## LOCALIZATION NOTE (cardRequiredDataMissingMessage):  do not localize \n
+cardRequiredDataMissingMessage=您至必須填入下列其中一項資料：\n電子郵件地址、姓氏、名字、顯示名稱、公司。
+cardRequiredDataMissingTitle=要求的訊息遺失了
+incorrectEmailAddressFormatMessage=主要的電子郵件地址必須要像 user@host。
+incorrectEmailAddressFormatTitle=錯誤的電子郵件格式
+
+viewListTitle=郵件群組: %S
+mailListNameExistsTitle=郵件群組已存在
+mailListNameExistsMessage=已有該名稱的郵件群組，請重新命名。
+
+propertyPrimaryEmail=電子郵件
+propertyListName=群組名單名稱
+propertySecondaryEmail=其它 Email
+propertyNickname=暱稱
+propertyDisplayName=顯示名稱
+propertyWork=商務
+propertyHome=住家
+propertyFax=傳真
+propertyCellular=行動電話
+propertyPager=呼叫器
+propertyBirthday=生日
+propertyCustom1=自訂 1
+propertyCustom2=自訂 2
+propertyCustom3=自訂 3
+propertyCustom4=自訂 4
+
+propertyGtalk=Google Talk
+propertyAIM=AIM
+propertyYahoo=Yahoo!
+propertySkype=Skype
+propertyQQ=QQ
+propertyMSN=MSN
+propertyICQ=ICQ
+propertyXMPP=Jabber ID
+propertyIRC=IRC 暱稱
+
+## LOCALIZATION NOTE (cityAndStateAndZip):
+## %1$S is city, %2$S is state, %3$S is zip
+cityAndStateAndZip=%1$S, %2$S %3$S
+## LOCALIZATION NOTE (cityAndStateNoZip):
+## %1$S is city, %2$S is state
+cityAndStateNoZip=%1$S, %2$S
+## LOCALIZATION NOTE (cityOrStateAndZip):
+## %1$S is city or state, %2$S is zip
+cityOrStateAndZip=%1$S %2$S
+
+stateZipSeparator=
+
+prefixTo=到
+prefixCc=副本
+prefixBcc=密件副本
+addressBook=通訊錄
+
+# Contact photo management
+browsePhoto=連絡人相片
+stateImageSave=正在儲存圖片…
+errorInvalidUri=錯誤: 來源圖片無效。
+errorNotAvailable=錯誤: 無法存取該檔案。
+errorInvalidImage=錯誤: 僅接受 JPG、PNG 及 GIF 格式圖片。
+errorSaveOperation=錯誤: 無法儲存圖片。
+
+# mailnews.js
+ldap_2.servers.pab.description=個人通訊錄
+ldap_2.servers.history.description=收集到的 Email
+## LOCALIZATION NOTE (ldap_2.servers.osx.description is only used on Mac OS X)
+ldap_2.servers.osx.description=Mac OS X 通訊錄
+## LOCALIZATION NOTE (ldap_2.servers.outlook.description is only used on Windows)
+ldap_2.servers.outlook.description=Outlook 通訊錄
+
+# status bar stuff
+## LOCALIZATION NOTE (totalContactStatus):
+## %1$S is address book name, %2$S is contact count
+totalContactStatus=總共有 %2$S 連絡人在 %1$S 中。
+noMatchFound=找不到符合的項目
+## LOCALIZATION NOTE (matchesFound1):
+## Semicolon-separated list of singular and plural forms.
+## See: https://developer.mozilla.org/docs/Mozilla/Localization/Localization_and_Plurals
+## #1 is the number of matching contacts found
+matchesFound1=找到 #1 筆符合項目
+
+## LOCALIZATION NOTE (contactsCopied): Semi-colon list of plural forms
+## %1$S is the number of contacts that were copied. This should be used multiple
+## times wherever you need it. Do not replace by %S.
+contactsCopied=已複製 %1$S 個連絡人
+
+## LOCALIZATION NOTE (contactsMoved): Semi-colon list of plural forms
+## %1$S is the number of contacts that were moved. This should be used multiple
+## times wherever you need it. Do not replace by %S.
+contactsMoved=已移動 %1$S 個連絡人
+
+# LDAP directory stuff
+invalidName=請輸入正確的名稱。
+invalidHostname=請輸入正確的主機名稱。
+invalidPortNumber=請輸入有效的埠號。
+invalidResults=請在結果欄輸入有效的數字。
+abReplicationOfflineWarning=您必須連線才能完成 LDAP 複製。
+abReplicationSaveSettings=設定必須在下載目錄前儲存。
+
+# For importing / exporting
+## LOCALIZATION NOTE (ExportAddressBookNameTitle): %S is the name of exported addressbook
+ExportAddressBookNameTitle=匯出通訊錄 - %S
+LDIFFiles=LDIF
+CSVFiles=逗號分隔檔案
+CSVFilesSysCharset=逗號分隔檔案（系統編碼）
+CSVFilesUTF8=逗號分隔檔案（UTF-8）
+TABFiles=Tab 分隔檔案
+TABFilesSysCharset=Tab 分隔（系統編碼）
+TABFilesUTF8=Tab 分隔（UTF-8）
+VCFFiles=vCard
+SupportedABFiles=支援的通訊錄檔案
+failedToExportTitle=匯出失敗
+failedToExportMessageNoDeviceSpace=磁碟空間不足，無法匯出通訊錄。
+failedToExportMessageFileAccessDenied=無法匯出通訊錄，因為系統拒絕存取檔案。
+
+# For getting authDN for replication using dlg box
+AuthDlgTitle=通訊錄 LDAP 複製
+AuthDlgDesc=請輸入您的帳號及密碼以存取目錄伺服器。
+
+# LOCALIZATION NOTE(joinMeInThisChat)
+# use + for spaces
+joinMeInThisChat=Join+me+in+this+Chat.
+
+# For printing
+headingHome=住家
+headingWork=商務
+headingOther=其他
+headingChat=聊天
+headingPhone=電話
+headingDescription=描述
+headingAddresses=地址
+
+## For address books
+addressBookTitleNew=新增通訊錄
+# LOCALIZATION NOTE (addressBookTitleEdit):
+# %S is the current name of the address book.
+# Example: My Custom AB Properties
+addressBookTitleEdit=%S 屬性
+duplicateNameTitle=通訊錄名稱重複
+# LOCALIZATION NOTE (duplicateNameText):
+# Don't localize "\n• %S" unless your local layout comes out wrong.
+# %S is the name of the existing address book.
+# Example: An address book with this name already exists:
+#          • My Custom AB
+duplicateNameText=名稱如下的通訊錄已經存在:\n• %S
+
+# For corrupt .mab files
+corruptMabFileTitle=損毀的通訊錄檔案
+corruptMabFileAlert=無法讀取您的某個通訊錄檔案（%1$S）。我們會自動在原目錄下新建一份通訊錄為 %2$S，而舊檔案則會被備份為 %3$S。
+
+# For locked .mab files
+lockedMabFileTitle=無法載入通訊錄檔案
+lockedMabFileAlert=無法載入通訊錄檔案 %S。可能被設為唯讀、或是被其它程式鎖定中，請稍候再試。
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/ldapAutoCompErrs.properties b/l10n-zh-TW/mail/chrome/messenger/addressbook/ldapAutoCompErrs.properties
new file mode 100644
index 0000000000..316e1008c4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/ldapAutoCompErrs.properties
@@ -0,0 +1,110 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# These are error strings for problems that happen while in the
+# various states declared in nsILDAPAutoCompFormatter.idl.  Note that
+# the number that indexes each error state is the same as the number 
+# corresponding to that state in nsILDAPAutoCompFormatter.idl.
+
+# These are error strings for problems that happen while in the
+# various states declared in nsILDAPAutoCompFormatter.idl.  Note that
+# the number that indexes each error state is the same as the number
+# corresponding to that state in nsILDAPAutoCompFormatter.idl.
+
+## @name ERR_STATE_UNBOUND
+## @loc none
+0=LDAP 初始化錯誤
+
+## @name ERR_STATE_INITIALIZING
+## @loc none
+1=LDAP 伺服器連線失敗
+
+## @name ERR_STATE_BINDING
+## @loc none
+2=LDAP 伺服器連線失敗
+
+## @name ERR_STATE_BOUND
+## @loc none
+3=LDAP 伺服器通訊問題
+
+## @name ERR_STATE_SEARCHING
+## @loc none
+4=LDAP 伺服器搜尋問題
+
+
+# The format of the alert dialog itself
+#
+## @name ALERT_FORMAT
+## @loc None of %1$S, %2$S and %3$S should be localized. 
+##      %1$S is the error code itself, %2$S is an LDAP SDK error message from
+##      chrome://mozldap/locale/ldap.properties, and %3$S is a hint relating
+##      to that specific error, found in this file.
+errorAlertFormat=錯誤碼 %1$S: %2$S\n\n %3$S
+
+## The following errors are for error codes other than LDAP-specific ones.
+## Someday mozilla will actually have a system for mapping nsresults to
+## error strings that's actually widely used, unlike nsIErrorService.  But
+## until it does, these strings live here...
+
+## @name HOST_NOT_FOUND
+## @loc none
+5000=找不到主機
+
+## @name GENERIC_ERROR
+## @loc none
+9999=未知錯誤
+
+
+# Hints to for the user, associated with specific error codes (ie error code
+# + 10000)
+
+
+## @name TIMELIMIT_EXCEEDED_HINT
+## @loc none
+10003=請稍候再試，或洽詢您的系統管理員。
+
+## @name STRONGAUTH_REQUIRED_HINT
+## @loc none
+10008=目前不支援高度安全的認證方式。
+
+## @name INVALID_SYNTAX_HINT
+## @loc none
+10021=請確認搜尋篩選條件正確後再試一次，或洽詢您的系統管理員。要確認篩選條件正確與否，請從選單的「編輯」→「偏好設定」選取「郵件與新聞群組」→「通訊錄」。按下「編輯目錄」後選擇使用的 LDAP 伺服器，再按下「編輯」，然後按「進階」以顯示搜尋篩選條件。
+
+## @name NO_SUCH_OBJECT_HINT
+## @loc none
+10032=請確認 Base DN 是否正確後再試一次，或洽詢您的系統管理員。要確認 Base DN 正確與否，請從選單的「編輯」→「偏好設定」選取「郵件與新聞群組」→「通訊錄」。按下「編輯目錄」後選擇使用的 LDAP 伺服器，再按下「編輯」以顯示 Base DN 。
+
+## @name BUSY_HINT
+## @loc none
+10051=請稍候再試。
+
+## @name SERVER_DOWN_HINT
+## @loc none
+10081=請確認主機名稱與埠號正確後再試一次，或洽詢您的系統管理員。要確認主機名稱與埠號正確與否，請從「編輯」選單→「偏好設定」→「郵件與新聞群組」→「通訊錄」。按下「編輯目錄」後選擇使用的 LDAP 伺服器，再按下「編輯」以顯示主機名稱，然後按「進階」以顯示埠號。
+
+## @name TIMEOUT_HINT
+## @loc none
+10085=請稍候再試。
+
+## @name FILTER_ERROR_HINT
+## @loc none
+10087=請確認搜尋篩選條件正確後再試一次，或洽詢您的系統管理員。要確認篩選條件正確與否，請從選單的「編輯」→「偏好設定」選取「郵件與新聞群組」→「通訊錄」。按下「編輯目錄」後選擇使用的 LDAP 伺服器，再按下「編輯」，然後按「進階」以顯示搜尋篩選條件。
+
+## @name NO_MEMORY_HINT
+## @loc none
+10090=請關閉其它程式或視窗後再試試。
+
+## @name CONNECT_ERROR_HINT
+## @loc none
+10091=請確認主機名稱與埠號正確後再試一次，或洽詢您的系統管理員。要確認主機名稱與埠號正確與否，請從「編輯」選單→「偏好設定」→「郵件與新聞群組」→「通訊錄」。按下「編輯目錄」後選擇使用的 LDAP 伺服器，再按下「編輯」以顯示主機名稱，然後按「進階」以顯示埠號。
+
+## @name HOST_NOT_FOUND_HINT
+## @loc none
+15000=請確認主機名稱正確後再試一次，或洽詢您的系統管理員。要確認主機名稱正確與否，請從選單的「編輯」→「偏好設定」選取「郵件與新聞群組」→「通訊錄」。按下「編輯目錄」後選擇使用的 LDAP 伺服器，再按下「編輯」以顯示主機名稱。
+
+## @name GENERIC_HINT
+## @loc none
+19999=請聯絡您的系統管理員。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/pref-directory-add.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/pref-directory-add.dtd
new file mode 100644
index 0000000000..d050dbb439
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/pref-directory-add.dtd
@@ -0,0 +1,46 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY directoryName.label               "名稱:">
+<!ENTITY directoryName.accesskey           "N">
+<!ENTITY directoryHostname.label           "主機名稱:">
+<!ENTITY directoryHostname.accesskey       "o">
+<!ENTITY directoryBaseDN.label             "Base DN:">
+<!ENTITY directoryBaseDN.accesskey         "B">
+<!ENTITY findButton.label                  "尋找">
+<!ENTITY findButton.accesskey              "F">
+<!ENTITY directorySecure.label             "使用安全連線 (SSL)">
+<!ENTITY directorySecure.accesskey         "U">
+<!ENTITY directoryLogin.label              "Bind DN: ">
+<!ENTITY directoryLogin.accesskey          "i">
+<!ENTITY General.tab                       "一般">
+<!ENTITY Offline.tab                       "離線模式">
+<!ENTITY Advanced.tab                      "進階">
+<!ENTITY portNumber.label                  "Port:">
+<!ENTITY portNumber.accesskey              "P">
+<!ENTITY searchFilter.label                "搜尋篩選條件 (Filter)">
+<!ENTITY searchFilter.accesskey            "F">
+<!ENTITY scope.label                       "範圍 (Scope): ">
+<!ENTITY scope.accesskey                   "c">
+<!ENTITY scopeOneLevel.label               "一層">
+<!ENTITY scopeOneLevel.accesskey           "L">
+<!ENTITY scopeSubtree.label                "遞迴 (Subtree)">
+<!ENTITY scopeSubtree.accesskey            "S">
+<!ENTITY return.label                      "不要傳回超過">
+<!ENTITY return.accesskey                  "r">
+<!ENTITY results.label                     "個結果">
+<!ENTITY offlineText.label                 "您可以下載此目錄以供離線閱讀。">
+<!ENTITY saslMechanism.label               "登入方式: ">
+<!ENTITY saslMechanism.accesskey           "m">
+<!ENTITY saslOff.label                     "簡單">
+<!ENTITY saslOff.accesskey                 "l">
+<!ENTITY saslGSSAPI.label                  "Kerberos (GSSAPI)">
+<!ENTITY saslGSSAPI.accesskey              "K">
+
+<!-- Localization note: this is here because the width of the dialog 
+     is determined by the width of the base DN box; and that is likely
+     to vary somewhat with the language.
+-->
+<!ENTITY newDirectoryWidth                 "36em">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/pref-directory.dtd b/l10n-zh-TW/mail/chrome/messenger/addressbook/pref-directory.dtd
new file mode 100644
index 0000000000..3070164608
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/pref-directory.dtd
@@ -0,0 +1,18 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE (window.title) : do not translate "LDAP" in below line -->
+<!ENTITY pref.ldap.window.title    "LDAP 目錄伺服器">
+<!-- LOCALIZATION NOTE (directories.label) : do not translate "LDAP" in below line -->
+<!ENTITY directories.label         "LDAP 目錄伺服器:">
+<!-- LOCALIZATION NOTE (directoriesText.label) : do not translate "LDAP" in below line -->
+<!ENTITY directoriesText.label     "選擇 LDAP 目錄伺服器:">
+<!ENTITY directoriesText.accesskey "S">
+<!ENTITY addDirectory.label        "新增">
+<!ENTITY addDirectory.accesskey    "A">
+<!ENTITY editDirectory.label       "編輯">
+<!ENTITY editDirectory.accesskey   "E">
+<!ENTITY deleteDirectory.label     "刪除">
+<!ENTITY deleteDirectory.accesskey "D">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/addressbook/replicationProgress.properties b/l10n-zh-TW/mail/chrome/messenger/addressbook/replicationProgress.properties
new file mode 100644
index 0000000000..a8feb1cd18
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/addressbook/replicationProgress.properties
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+replicationStarted=開始複製…
+changesStarted=開始尋找所作改變以複製…
+replicationSucceeded=複製成功
+replicationFailed=複製失敗
+replicationCancelled=複製取消
+# LOCALIZATION NOTE
+# do not localize %S.  %S is the current entry number (an integer)
+currentCount=複製目錄項目: %S
+
+downloadButton=立刻下載
+downloadButton.accesskey=D
+cancelDownloadButton=取消下載
+cancelDownloadButton.accesskey=C
+
+directoryTitleNew=新增 LDAP 目錄
+## LOCALIZATION NOTE (directoryTitleEdit): %S will be replaced by the LDAP directory's display name
+directoryTitleEdit=%S 屬性
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-addressing.dtd b/l10n-zh-TW/mail/chrome/messenger/am-addressing.dtd
new file mode 100644
index 0000000000..a1f8b89b0a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-addressing.dtd
@@ -0,0 +1,51 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from am-addressing.xul -->
+
+<!-- extracted from am-addressing.xhtml -->
+
+<!ENTITY addressing.label          "寫信與通訊錄">
+<!ENTITY addressingGroupTitle.label "通訊錄">
+<!ENTITY addressingText.label      "尋找郵件地址時:">
+<!-- LOCALIZATION NOTE (override.label) : do not translate "LDAP" in below line -->
+<!ENTITY useGlobal.label           "對此帳號使用預設的 LDAP 伺服器設定">
+<!ENTITY useGlobal.accesskey       "U">
+<!ENTITY editDirectories.label     "編輯目錄…">
+<!ENTITY editDirectories.accesskey "E">
+<!-- LOCALIZATION NOTE (directories.label) : do not translate "LDAP" in below line -->
+<!ENTITY directories.label         "使用其它 LDAP 伺服器:">
+<!ENTITY directories.accesskey     "D">
+<!ENTITY directoriesNone.label     "無">
+
+<!-- am-addressing.xul -->
+
+<!-- am-addressing.xhtml -->
+
+<!ENTITY compositionGroupTitle.label          "編輯">
+<!-- LOCALIZATION NOTE (useHtml.label) : do not translate "html" in below line -->
+<!ENTITY useHtml.label                        "以 HTML 格式編輯郵件">
+<!ENTITY useHtml.accesskey                    "C">
+<!ENTITY autoQuote.label                      "回信時自動引用原信內容">
+<!ENTITY autoQuote.accesskey                  "m">
+<!-- LOCALIZATION NOTE (quoting.label): This will concatenate with the 4 strings that follow. -->
+<!ENTITY quoting.label                        "引用時，">
+<!ENTITY quoting.accesskey                    "q">
+<!ENTITY aboveQuote.label                     "在引文前面開始回信">
+<!ENTITY belowQuote.label                     "在引文之後開始回信">
+<!ENTITY selectAndQuote.label                 "選取引言">
+<!ENTITY place.label                          "把簽名檔放在">
+<!ENTITY place.accesskey                      "s">
+<!ENTITY belowText.label                      "引用內容之後 (建議值) ">
+<!ENTITY aboveText.label                      "我的回信內容之後 (引用內容之前) ">
+<!ENTITY includeSigOnReply.label              "回覆時附加簽名">
+<!ENTITY includeSigOnReply.accesskey          "I">
+<!ENTITY includeSigOnForward.label            "轉寄時附加簽名">
+<!ENTITY includeSigOnForward.accesskey        "w">
+
+<!ENTITY globalComposingPrefs.label           "全域編輯偏好設定…">
+<!ENTITY globalComposingPrefs.accesskey       "G">
+
+<!ENTITY globalAddressingPrefs.label          "全域地址偏好設定…">
+<!ENTITY globalAddressingPrefs.accesskey      "P">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-advanced.dtd b/l10n-zh-TW/mail/chrome/messenger/am-advanced.dtd
new file mode 100644
index 0000000000..d5fea3f8e4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-advanced.dtd
@@ -0,0 +1,28 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from am-advanced.xhtml -->
+
+<!-- LOCALIZATION NOTE (smtpServer.label): do not translate "SMTP" in below line -->
+<!ENTITY smtpServer.label "寄件伺服器 (SMTP) 設定">
+
+<!-- LOCALIZATION NOTE (smtpDescription.label): do not translate "SMTP" in below line -->
+<!ENTITY smtpDescription.label "管理您的身份識別資訊時，您可以自此清單選擇一個伺服器作為外寄郵件（SMTP）伺服器或「使用預設伺服器」以使用預設的伺服器。">
+
+<!ENTITY smtpListAdd.label  "新增…">
+<!ENTITY smtpListAdd.accesskey  "d">
+<!ENTITY smtpListEdit.label "編輯…">
+<!ENTITY smtpListEdit.accesskey "E">
+<!ENTITY smtpListDelete.label "移除">
+<!ENTITY smtpListDelete.accesskey "m">
+<!ENTITY smtpListSetDefault.label "設為預設值">
+<!ENTITY smtpListSetDefault.accesskey "t">
+
+<!ENTITY serverDetails.label "選擇的伺服器的詳細資訊:">
+<!ENTITY serverDescription.label "描述: ">
+<!ENTITY serverName.label "伺服器名稱:">
+<!ENTITY serverPort.label "Port: ">
+<!ENTITY userName.label   "使用者名稱:">
+<!ENTITY connectionSecurity.label "連線安全性: ">
+<!ENTITY authMethod.label   "驗證方式:">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-archiveoptions.dtd b/l10n-zh-TW/mail/chrome/messenger/am-archiveoptions.dtd
new file mode 100644
index 0000000000..b0e6a0d0e7
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-archiveoptions.dtd
@@ -0,0 +1,26 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from am-archiveoptions.xul -->
+
+<!-- extracted from am-archiveoptions.xhtml -->
+
+<!ENTITY dialogTitle.label "備存選項">
+<!ENTITY archiveGranularityPrefix.label "備存郵件時，把它們放到:">
+<!ENTITY archiveFlat.label "單一資料夾">
+<!ENTITY archiveFlat.accesskey "s">
+<!ENTITY archiveYearly.label "每年一個資料夾">
+<!ENTITY archiveYearly.accesskey "Y">
+<!ENTITY archiveMonthly.label "每月一個資料夾">
+<!ENTITY archiveMonthly.accesskey "M">
+<!ENTITY keepFolderStructure.label "為備存郵件保留目前資料夾結構">
+<!ENTITY keepFolderStructure.accesskey "K">
+<!ENTITY archiveExample.label "範例">
+<!-- LOCALIZATION NOTE (archiveFolderName.label): this should match the default
+     name for the "Archives" folder -->
+<!ENTITY archiveFolderName.label "備存">
+<!-- LOCALIZATION NOTE (inboxFolderName.label): this should match the default
+     name for the "Inbox" folder -->
+<!ENTITY inboxFolderName.label "收件匣">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-copies.dtd b/l10n-zh-TW/mail/chrome/messenger/am-copies.dtd
new file mode 100644
index 0000000000..7d25ea3baf
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-copies.dtd
@@ -0,0 +1,52 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from am-copies.xul -->
+
+<!-- extracted from am-copies.xhtml -->
+
+<!ENTITY copyAndFolderTitle.label "備份與郵件匣">
+<!ENTITY sendingPrefix.label "寄送郵件時，">
+<!ENTITY fccMailFolder.label "複製一份到:">
+<!ENTITY fccMailFolder.accesskey "P">
+<!ENTITY fccReplyFollowsParent.label "將回信與原信放在同一郵件匣（像 Gmail 那樣）">
+<!ENTITY fccReplyFollowsParent.accesskey "r">
+<!-- LOCALIZATION NOTE (ccAddress.label): do not translate "Cc" in below line -->
+<!ENTITY ccAddress.label "寄送副本 (Cc) 至:">
+<!ENTITY ccAddress.accesskey "C">
+<!ENTITY ccAddressList.placeholder "用半形逗號（,）分隔地址">
+<!-- LOCALIZATION NOTE (bccAddress.label): do not translate "Bcc" in below line -->
+<!ENTITY bccAddress.label "寄送密件副本 (Bcc) 至:">
+<!ENTITY bccAddress.accesskey "B">
+<!ENTITY bccAddressList.placeholder "用半形逗號（,）分隔地址">
+<!ENTITY saveMessageDlg.label "儲存郵件時顯示確認視窗">
+<!ENTITY saveMessageDlg.accesskey "w">
+<!-- LOCALIZATION NOTE (sentFolderOn.label): OK to translate this, bug #57440 -->
+<!ENTITY sentFolderOn.label "「寄件備份」匣:">
+<!ENTITY sentFolderOn.accesskey "S">
+<!ENTITY sentInOtherFolder.label "其他郵件匣:">
+<!ENTITY sentInOtherFolder.accesskey "O">
+<!-- LOCALIZATION NOTE (archivesFolderOn.label): OK to translate this, bug #57440 -->
+<!ENTITY archivesTitle.label "備存郵件">
+<!ENTITY keepArchives.label "備存郵件於:">
+<!ENTITY keepArchives.accesskey "K">
+<!ENTITY archiveHierarchyButton.label "備存選項…">
+<!ENTITY archiveHierarchyButton.accesskey "A">
+<!ENTITY archivesFolderOn.label "「備存」資料夾於:">
+<!ENTITY archivesFolderOn.accesskey "n">
+<!ENTITY archiveInOtherFolder.label "其他郵件匣:">
+<!ENTITY archiveInOtherFolder.accesskey "h">
+<!ENTITY specialFolders.label "草稿與範本">
+<!ENTITY keepDrafts2.label "將郵件草稿保存於:">
+<!-- LOCALIZATION NOTE (draftsFolderOn.label): OK to translate this, bug #57440 -->
+<!ENTITY draftsFolderOn.label "「草稿」郵件匣:">
+<!ENTITY draftsFolderOn.accesskey "D">
+<!ENTITY draftInOtherFolder.label "其他郵件匣:">
+<!ENTITY draftInOtherFolder.accesskey "t">
+<!ENTITY keepTemplates.label "儲存郵件範本到:">
+<!-- LOCALIZATION NOTE (templatesFolderOn.label): OK to translate this, bug #57440 -->
+<!ENTITY templatesFolderOn.label "「範本」郵件匣:">
+<!ENTITY templatesFolderOn.accesskey "m">
+<!ENTITY templateInOtherFolder.label "其他郵件匣:">
+<!ENTITY templateInOtherFolder.accesskey "e">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-e2e.properties b/l10n-zh-TW/mail/chrome/messenger/am-e2e.properties
new file mode 100644
index 0000000000..3dd91fadb4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-e2e.properties
@@ -0,0 +1,5 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+prefPanel-e2e=端到端加密
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-identities-list.dtd b/l10n-zh-TW/mail/chrome/messenger/am-identities-list.dtd
new file mode 100644
index 0000000000..bdefe8a0dd
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-identities-list.dtd
@@ -0,0 +1,15 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY identitiesListManageDesc.label "管理此帳號的身份，預設將使用第一組身份。">
+<!ENTITY identitiesListAdd.label  "新增…">
+<!ENTITY identitiesListAdd.accesskey  "A">
+<!ENTITY identitiesListEdit.label "編輯…">
+<!ENTITY identitiesListEdit.accesskey "E">
+<!ENTITY identitiesListDefault.label "設為預設值">
+<!ENTITY identitiesListDefault.accesskey "S">
+<!ENTITY identitiesListDelete.label "刪除">
+<!ENTITY identitiesListDelete.accesskey "D">
+<!ENTITY identitiesListClose.label "關閉">
+<!ENTITY identitiesListClose.accesskey "C">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-identity-edit.dtd b/l10n-zh-TW/mail/chrome/messenger/am-identity-edit.dtd
new file mode 100644
index 0000000000..6633590d43
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-identity-edit.dtd
@@ -0,0 +1,14 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY identityListDesc.label "此身份的詳細資訊:">
+
+<!ENTITY settingsTab.label       "設定">
+<!ENTITY copiesFoldersTab.label "備份與郵件匣">
+<!ENTITY addressingTab.label    "寫信與通訊錄">
+
+<!ENTITY publicData.label        "公開資料">
+<!ENTITY privateData.label       "私人資料">
+<!ENTITY identityAlias.label     "身份識別標籤:">
+<!ENTITY identityAlias.accesskey "b">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-im.dtd b/l10n-zh-TW/mail/chrome/messenger/am-im.dtd
new file mode 100644
index 0000000000..7e38fb3b04
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-im.dtd
@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY accountWindow.title           "帳戶內容">
+<!ENTITY accountWindow.width           "300">
+<!ENTITY account.general               "一般">
+<!ENTITY account.advanced              "進階選項">
+<!ENTITY account.name                  "使用者名稱:">
+<!ENTITY account.password              "密碼:">
+<!ENTITY account.alias                 "別名:">
+<!ENTITY account.newMailNotification   "有新郵件時通知我">
+<!ENTITY account.autojoin              "自動加入下列頻道:">
+<!ENTITY account.proxySettings.caption "Proxy 設定值:">
+<!ENTITY account.proxySettings.change.label     "修改…">
+<!ENTITY account.proxySettings.change.accessKey "C">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-junk.dtd b/l10n-zh-TW/mail/chrome/messenger/am-junk.dtd
new file mode 100644
index 0000000000..34128d382f
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-junk.dtd
@@ -0,0 +1,32 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY junkSettings.label "垃圾郵件設定">
+<!ENTITY trainingDescription.label "啟用後，您必須透過垃圾信件工具列上的按鈕來將訊息標示為垃圾郵件或非垃圾郵件（兩種郵件都要），以訓練 &brandShortName; 來識別垃圾信。訓練完成後 &brandShortName; 才能正確地自動標示垃圾郵件。">
+<!ENTITY level.label "對此帳號啟用漸進式垃圾郵件控制">
+<!ENTITY level.accesskey "E">
+
+<!ENTITY move.label "移動新垃圾郵件到:">
+<!ENTITY move.accesskey "M">
+<!ENTITY junkFolderOn.label "「垃圾郵件」匣於:">
+<!ENTITY junkFolderOn.accesskey "J">
+<!ENTITY otherFolder.label "其他郵件匣:">
+<!ENTITY otherFolder.accesskey "O">
+<!ENTITY purge1.label "下列時間後自動刪除垃圾郵件">
+<!ENTITY purge1.accesskey "u">
+<!ENTITY purge2.label "天">
+
+<!ENTITY whitelistHeader.label "不要自動將郵件標示為垃圾郵件，若寄件者位於: ">
+<!ENTITY whitelistHeader.accesskey "D">
+
+<!ENTITY ispHeadersWarning.label "若啟用，&brandShortName; 將會自動參考上列外部垃圾郵件分類器的分類結果來識別垃圾郵件。">
+<!ENTITY ispHeaders.label "信任下列程式設定的垃圾郵件標頭: ">
+<!ENTITY ispHeaders.accesskey "T">
+
+<!ENTITY junkClassification.label "選取範圍">
+<!ENTITY junkActions.label "目的地與保留時間">
+
+<!ENTITY globalJunkPrefs.label "全域垃圾郵件偏好設定…">
+<!ENTITY globalJunkPrefs.accesskey "G">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-main.dtd b/l10n-zh-TW/mail/chrome/messenger/am-main.dtd
new file mode 100644
index 0000000000..e3a2fa3dea
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-main.dtd
@@ -0,0 +1,49 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from am-main.xul -->
+
+<!-- extracted from am-main.xhtml -->
+
+<!ENTITY accountTitle.label "帳號設定">
+<!ENTITY accountName.label "帳號名稱:">
+<!ENTITY accountName.accesskey "n">
+<!ENTITY identityTitle.label "預設身份">
+<!ENTITY identityDesc.label "每個帳號都可以有自己的身份識別資料，這會出現於您寄出的郵件內。">
+<!ENTITY name.label "您的大名:">
+<!ENTITY name.accesskey "Y">
+<!ENTITY email.label "電子郵件地址:">
+<!ENTITY email.accesskey "E">
+<!ENTITY catchAll.label "當郵件遞送標頭符合條件時，使用此身份回覆:">
+<!ENTITY catchAll.accesskey "d">
+<!ENTITY replyTo.label "回函地址:">
+<!ENTITY replyTo.accesskey "s">
+<!ENTITY replyTo.placeholder "收件者將會回覆到這個地址">
+<!ENTITY organization.label "服務單位:">
+<!ENTITY organization.accesskey "O">
+<!ENTITY signatureText.label "簽名:">
+<!ENTITY signatureText.accesskey "x">
+<!ENTITY signatureHtml.label "使用HTML (例如, &lt;b&gt;bold&lt;/b&gt;)">
+<!ENTITY signatureHtml.accesskey "L">
+<!ENTITY signatureFile.label "從檔案附加簽名（文字、HTML 或圖片）:">
+<!ENTITY signatureFile.accesskey "T">
+<!ENTITY edit.label "編輯…">
+<!ENTITY choose.label "選擇…">
+<!ENTITY choose.accesskey "C">
+<!ENTITY editVCard.label "編輯電子名片…">
+<!ENTITY editVCard.accesskey "d">
+<!-- LOCALIZATION NOTE (attachVCard.label) : do not translate "vCard" in below line -->
+<!ENTITY attachVCard.label "附加名片卡到郵件中">
+<!ENTITY attachVCard.accesskey "v">
+
+<!ENTITY manageIdentities.label "身份識別管理…">
+<!ENTITY manageIdentities.accesskey "M">
+
+<!-- LOCALIZATION NOTE (smtpName.label) : do not translate "SMTP" in below line -->
+<!ENTITY smtpName.label "寄件伺服器 (SMTP):">
+<!ENTITY smtpName.accesskey "u">
+<!ENTITY smtpDefaultServer.label "使用預設伺服器">
+
+<!ENTITY smtpServerEdit.label "編輯 SMTP 伺服器…">
+<!ENTITY smtpServerEdit.accesskey "P">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-mdn.dtd b/l10n-zh-TW/mail/chrome/messenger/am-mdn.dtd
new file mode 100644
index 0000000000..64d6d89144
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-mdn.dtd
@@ -0,0 +1,34 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY pane.title                   "收件回執">
+<!ENTITY useGlobalPrefs.label         "使用我的全域收件回執設定">
+<!ENTITY useGlobalPrefs.accesskey     "U">
+<!ENTITY globalReceipts.label         "全域設定…">
+<!ENTITY globalReceipts.accesskey     "G">
+<!ENTITY useCustomPrefs.label         "自訂此帳號的收件回執">
+<!ENTITY useCustomPrefs.accesskey     "C">
+<!ENTITY requestReceipt.label         "寄送郵件時一律要求收件回執">
+<!ENTITY requestReceipt.accesskey     "W">
+<!ENTITY receiptArrive.label          "收到回執時:">
+<!ENTITY leaveIt.label                "留在「收件匣」中">
+<!ENTITY leaveIt.accesskey            "i">
+<!-- LOCALIZATION NOTE moveToSent.label Translate: 'Sent' according to Netscape glossary -->
+<!ENTITY moveToSent.label             "移到「寄件備份」匣">
+<!ENTITY moveToSent.accesskey         "M">
+<!ENTITY requestMDN.label             "收到要求收件回執的郵件時:">
+<!ENTITY returnSome.label             "依下列設定決定是否寄出回執">
+<!ENTITY returnSome.accesskey         "e">
+<!ENTITY never.label                  "一律不寄出回執">
+<!ENTITY never.accesskey              "N">
+<!ENTITY notInToCc.label              "如果我不在郵件的收件者或副本列表中:">
+<!ENTITY notInToCc.accesskey          "t">
+<!ENTITY outsideDomain.label          "如果寄件者在我的網域以外:">
+<!ENTITY outsideDomain.accesskey      "s">
+<!ENTITY otherCases.label             "其它情形:">
+<!ENTITY otherCases.accesskey         "o">
+<!ENTITY askMe.label                  "詢問我">
+<!ENTITY alwaysSend.label             "一律寄出">
+<!ENTITY neverSend.label              "不要寄出">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-mdn.properties b/l10n-zh-TW/mail/chrome/messenger/am-mdn.properties
new file mode 100644
index 0000000000..ccae83045d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-mdn.properties
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+## Strings used in prefs.
+prefPanel-mdn=收件回執
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-offline.dtd b/l10n-zh-TW/mail/chrome/messenger/am-offline.dtd
new file mode 100644
index 0000000000..3cbc4e39a9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-offline.dtd
@@ -0,0 +1,57 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY doNotDownloadPop3Movemail.label "為節省磁碟空間，不下載:">
+<!ENTITY doNotDownloadNntp.label "為節省磁碟空間，不下載下列郵件供離線閱讀:">
+<!ENTITY doNotDownloadImap.label "為了節省磁碟空間，可以用郵件大小與時間控制是否下載，或保留從伺服器下載的郵件與本地端離線存檔。">
+<!ENTITY allFoldersOffline2.label "在這台電腦上保留此帳號的所有信件匣當中的訊息">
+<!ENTITY allFoldersOffline2.accesskey "o">
+<!ENTITY allFoldersOfflineNote.label "註: 修改此設定會影響此帳號的所有信件匣。若要設定單一信件匣，請點擊「進階…」按鈕。">
+<!ENTITY offlineNotDownload.label "郵件或文章大小超過:">
+<!ENTITY offlineNotDownload.accesskey "M">
+<!ENTITY autosyncNotDownload.label "不要下載超過此大小的郵件:">
+<!ENTITY autosyncNotDownload.accesskey "m">
+<!ENTITY kb.label "KB">
+<!ENTITY daysOld.label "天的郵件或文章">
+<!ENTITY message.label "封以外全部刪除">
+<!ENTITY nntpNotDownloadRead.label "讀取郵件">
+<!ENTITY nntpNotDownloadRead.accesskey "d">
+<!ENTITY nntpDownloadMsg.label "存放過久的文章:">
+<!ENTITY nntpDownloadMsg.accesskey "e">
+<!ENTITY retentionCleanup.label "為了減少佔用的磁碟空間，可以永遠刪除舊郵件或文章。">
+<!ENTITY retentionCleanupImap.label "欲回復磁碟空間，可以永久刪除舊郵件的本機副本和遠端的原始郵件。">
+<!ENTITY retentionCleanupPop.label "欲回復磁碟空間，可以永久刪除舊的郵件包括遠端伺服器上的那一份。">
+<!ENTITY retentionKeepMsg.label "刪除存放超過">
+<!ENTITY retentionKeepMsg.accesskey "t">
+<!ENTITY retentionKeepAll.label "不要刪除任何郵件或文章">
+<!ENTITY retentionKeepAll.accesskey "n">
+<!ENTITY retentionKeepRecent.label "除了最近的">
+<!ENTITY retentionKeepRecent.accesskey "b">
+<!ENTITY retentionApplyToFlagged.label "保留星號標記的郵件">
+<!ENTITY retentionApplyToFlagged.accesskey "k">
+<!ENTITY nntpRemoveMsgBody.label "超過的從郵件中刪除內文">
+<!ENTITY nntpRemoveMsgBody.accesskey "o">
+<!ENTITY offlineSelectNntp.label "選取要離線閱讀的新聞群組…">
+<!ENTITY offlineSelectNntp.accesskey "S">
+<!ENTITY offlineImapAdvancedOffline.label "進階…">
+<!ENTITY offlineImapAdvancedOffline.accesskey "v">
+<!ENTITY syncGroupTitle.label "郵件同步化">
+<!ENTITY diskspaceGroupTitle.label "磁碟空間">
+
+<!-- LOCALIZATION NOTE: (ageAutosyncBefore.label, ageAutosyncMiddle.label, ageAutosyncAfter.label):
+  The entities ageAutosyncBefore.label, ageAutosyncMiddle.label, and ageAutosyncAfter.label appear
+  on a single line within the scope of useAutosync.ByAge as follows:
+
+  &ageAutosyncBefore.label [textbox for autosync value] &ageAutosyncMiddle.label; [dropdown for autosync interval] &ageAutosyncAfter.label;
+-->
+<!ENTITY allAutosync.label               "同步所有郵件至本地端，無論寄件時間">
+<!ENTITY allAutosync.accesskey           "c">
+<!ENTITY ageAutosyncBefore.label         "同步最近">
+<!ENTITY ageAutosync.accesskey           "z">
+<!ENTITY ageAutosyncMiddle.label         "">
+<!ENTITY dayAgeInterval.label            "天">
+<!ENTITY weekAgeInterval.label           "週">
+<!ENTITY monthAgeInterval.label          "月">
+<!ENTITY yearAgeInterval.label           "年">
+<!ENTITY ageAutosyncAfter.label          "">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-server-advanced.dtd b/l10n-zh-TW/mail/chrome/messenger/am-server-advanced.dtd
new file mode 100644
index 0000000000..6db001e06d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-server-advanced.dtd
@@ -0,0 +1,31 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY serverAdvanced.label "進階帳號設定">
+<!-- LOCALIZATION NOTE (serverDirectory.label): Do not translate "IMAP" -->
+<!ENTITY serverDirectory.label "IMAP 伺服器目錄:">
+<!ENTITY serverDirectory.accesskey "d">
+<!ENTITY usingSubscription.label "只顯示已訂閱目錄">
+<!ENTITY usingSubscription.accesskey "w">
+<!ENTITY dualUseFolders.label "伺服器支援含子目錄及郵件的目錄">
+<!ENTITY dualUseFolders.accesskey "f">
+<!ENTITY maximumConnectionsNumber.label "快取的最大伺服器連線數">
+<!ENTITY maximumConnectionsNumber.accesskey "M">
+<!-- LOCALIZATION NOTE (namespaceDesc.label): Do not translate "IMAP" -->
+<!ENTITY namespaceDesc.label "下列設定指定您的 IMAP 伺服器上的命名空間 (namespace)">
+<!ENTITY personalNamespace.label "個人命名空間:">
+<!ENTITY personalNamespace.accesskey "P">
+<!ENTITY publicNamespace.label "公開 (共享) 空間:">
+<!ENTITY publicNamespace.accesskey "u">
+<!ENTITY otherUsersNamespace.label "其它使用者:">
+<!ENTITY otherUsersNamespace.accesskey "O">
+<!ENTITY overrideNamespaces.label "允許伺服器強制蓋掉這些命名空間">
+<!ENTITY overrideNamespaces.accesskey "A">
+<!ENTITY pop3DeferringDesc.label "自此帳號伺服器下載郵件時，使用下列資料夾來儲存新訊息:" >
+<!ENTITY accountInbox.label "此帳號的收件匣">
+<!ENTITY accountInbox.accesskey "s">
+<!ENTITY deferToServer.label "不同帳號的「收件匣」">
+<!ENTITY deferToServer.accesskey "d">
+<!ENTITY deferGetNewMail.label "檢查新郵件時包含此伺服器">
+<!ENTITY deferGetNewMail.accesskey "I">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-server-top.dtd b/l10n-zh-TW/mail/chrome/messenger/am-server-top.dtd
new file mode 100644
index 0000000000..693f8bb66a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-server-top.dtd
@@ -0,0 +1,89 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY messageStorage.label "郵件儲存">
+<!ENTITY securitySettings.label "安全設定">
+<!ENTITY serverSettings.label "伺服器設定">
+<!ENTITY serverType.label "伺服器類型:">
+<!ENTITY serverName.label "伺服器名稱:">
+<!ENTITY serverName.accesskey "S">
+<!ENTITY userName.label "使用者名稱:">
+<!ENTITY userName.accesskey "N">
+<!ENTITY port.label "Port:">
+<!ENTITY port.accesskey "P">
+<!ENTITY serverPortDefault.label "預設:">
+<!-- LOCALIZATION NOTE (biffStart.label) : translate below 2 line with grammar dependency
+        For example, in Japanese cases:
+                biffStart.label "every"
+                biffEnd.label   "minutes for new messages Check"
+-->
+<!ENTITY biffStart.label "每">
+<!ENTITY biffStart.accesskey "y">
+<!ENTITY biffEnd.label "分鐘檢查新郵件">
+<!ENTITY useIdleNotifications.label "收到新訊息時，允許即時的伺服器通知">
+<!ENTITY useIdleNotifications.accesskey "w">
+<!ENTITY connectionSecurity.label "連線安全性:">
+<!ENTITY connectionSecurity.accesskey "u">
+<!ENTITY connectionSecurityType-0.label "無">
+<!ENTITY connectionSecurityType-1.label "嘗試使用 STARTTLS">
+<!ENTITY connectionSecurityType-2.label "STARTTLS">
+<!ENTITY connectionSecurityType-3.label "SSL/TLS">
+<!ENTITY authMethod.label "驗證方式:">
+<!ENTITY authMethod.accesskey "i">
+<!ENTITY leaveOnServer.label "不刪除伺服器上的郵件">
+<!ENTITY leaveOnServer.accesskey "g">
+<!ENTITY headersOnly.label "只讀取標頭資訊">
+<!ENTITY headersOnly.accesskey "e">
+<!ENTITY deleteByAgeFromServer.label "最多">
+<!ENTITY deleteByAgeFromServer.accesskey "o">
+<!ENTITY daysEnd.label "天">
+<!ENTITY deleteOnServer2.label "直到我將它們刪除">
+<!ENTITY deleteOnServer2.accesskey "d">
+<!ENTITY downloadOnBiff.label "自動下載所有新郵件或文章">
+<!ENTITY downloadOnBiff.accesskey "m">
+<!ENTITY deleteMessagePrefix.label "當我刪除郵件時:">
+<!ENTITY modelMoveToTrash.label "移動到此資料夾:">
+<!ENTITY modelMoveToTrash.accesskey "o">
+<!ENTITY modelMarkDeleted.label "標示為「已刪除」">
+<!ENTITY modelMarkDeleted.accesskey "k">
+<!ENTITY modelDeleteImmediately.label "直接砍掉">
+<!ENTITY modelDeleteImmediately.accesskey "d">
+<!-- LOCALIZATION NOTE (expungeOnExit.label) : do not translate two of "&quot;" in below line -->
+<!ENTITY expungeOnExit.label "結束時清理「收件匣」">
+<!ENTITY expungeOnExit.accesskey "e">
+<!ENTITY emptyTrashOnExit.label "結束時清空垃圾桶">
+<!ENTITY emptyTrashOnExit.accesskey "x">
+<!ENTITY loginAtStartup.label "啟動時檢查有無新郵件或文章">
+<!ENTITY loginAtStartup.accesskey "C">
+<!-- LOCALIZATION NOTE (maxMessagesStart.label) : translate below 2 lines with grammar dependency
+    maxMessengerStart.label will be followed by maxMessagesEnd.label with the number
+    of messages between them
+-->
+<!ENTITY maxMessagesStart.label "要下載超過">
+<!ENTITY maxMessagesStart.accesskey "m">
+<!-- LOCALIZATION NOTE (maxMessagesEnd.label) : see note for maxMessagesStart.label -->
+<!ENTITY maxMessagesEnd.label "封">
+<!ENTITY alwaysAuthenticate.label "連線到此伺服器時一律要求認證">
+<!ENTITY alwaysAuthenticate.accesskey "w">
+<!ENTITY newsrcFilePath1.label "News.rc 檔案:">
+<!ENTITY newsrcPicker1.label "選擇 News.rc 檔案">
+<!ENTITY abbreviate.label "資料夾顯示新聞群組名稱的方式:">
+<!ENTITY abbreviateOn.label "完整名稱 (例: 'netscape.public.mozilla.mail-news')">
+<!ENTITY abbreviateOff.label "縮寫 (例: 'n.p.m.mail-news')">
+<!ENTITY advancedButton.label "進階…">
+<!ENTITY advancedButton.accesskey "v">
+<!ENTITY serverDefaultCharset2.label "預設文字編碼:">
+<!ENTITY localPath1.label "本機目錄:">
+<!ENTITY localFolderPicker.label "選取本地目錄">
+<!ENTITY browseFolder.label "瀏覽…">
+<!ENTITY browseFolder.accesskey "B">
+<!ENTITY browseNewsrc.label "瀏覽…">
+<!ENTITY browseNewsrc.accesskey "e">
+
+<!ENTITY accountTitle.label "帳號設定">
+<!ENTITY accountSettingsDesc.label "這是沒有任何身份資訊的特殊帳號。">
+<!ENTITY storeType.label "訊息儲存方式:">
+<!ENTITY storeType.accesskey "T">
+<!ENTITY mboxStore2.label "為每個信件匣建立一個檔案（mbox）">
+<!ENTITY maildirStore.label "為每封訊息建立檔案（maildir）">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-serverwithnoidentities.dtd b/l10n-zh-TW/mail/chrome/messenger/am-serverwithnoidentities.dtd
new file mode 100644
index 0000000000..e47f077fe6
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-serverwithnoidentities.dtd
@@ -0,0 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY accountName.label "帳號名稱:">
+<!ENTITY accountName.accesskey "n">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-smime.dtd b/l10n-zh-TW/mail/chrome/messenger/am-smime.dtd
new file mode 100644
index 0000000000..91bd586eaf
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-smime.dtd
@@ -0,0 +1,47 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY e2eTitle.label "端到端加密">
+<!ENTITY e2eLearnMore.label "了解更多">
+
+<!ENTITY e2eEnc.description "若不進行端到端加密，電子郵件服務供應商很容易就能取得您的訊息內容，並進行大規模監控。">
+
+<!ENTITY e2eTechPref.description "偏好的加密技術:">
+
+<!ENTITY encryptionCert2.message "用來加密的個人憑證:">
+<!ENTITY digitalSign.certificate.button "選擇…">
+<!ENTITY digitalSign.certificate.accesskey "S">
+<!ENTITY digitalSign.certificate_clear.button "清除">
+<!ENTITY digitalSign.certificate_clear.accesskey "C">
+<!ENTITY encryption.certificate.button "選擇…">
+<!ENTITY encryption.certificate.accesskey "t">
+<!ENTITY encryption.certificate_clear.button "清除">
+<!ENTITY encryption.certificate_clear.accesskey "e">
+<!ENTITY signingGroupTitle.label "數位簽章">
+
+<!ENTITY signingCert2.message "用來簽章的個人憑證:">
+
+<!ENTITY sendingDefaults.label "傳送訊息時的預設設定">
+
+<!ENTITY technologyAutomatic.label "根據可用的金鑰或憑證自動選擇">
+
+<!ENTITY certificates2.label "S/MIME">
+<!ENTITY manageCerts3.label "管理 S/MIME 憑證">
+<!ENTITY manageCerts3.accesskey "M">
+<!ENTITY manageDevices2.label "S/MIME 安全裝置">
+<!ENTITY manageDevices2.accesskey "y">
+
+<!ENTITY technologySMIME.label "偏好使用 S/MIME">
+<!ENTITY technologyOpenPGP.label "偏好使用 OpenPGP">
+
+<!ENTITY openpgpKeys.label "OpenPGP">
+
+<!-- Strings for the cert picker dialog -->
+<!ENTITY certPicker.title "選擇憑證">
+<!ENTITY certPicker.info  "憑證:">
+<!ENTITY certPicker.detailsLabel "所選憑證的詳細資訊:">
+
+<!ENTITY openpgpKey.message "用來加密與簽章的個人金鑰:">
+<!ENTITY openpgpKey.button "設定個人金鑰…">
+<!ENTITY openpgpKey.accesskey "o">
diff --git a/l10n-zh-TW/mail/chrome/messenger/am-smime.properties b/l10n-zh-TW/mail/chrome/messenger/am-smime.properties
new file mode 100644
index 0000000000..864844e182
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/am-smime.properties
@@ -0,0 +1,39 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+## S/MIME error strings.
+## Note to localization: %S is a placeholder
+NoSenderSigningCert=您試圖加上數位簽章，不過您沒有於「帳號設定」中指定正確的簽署憑證或憑證已過期。
+NoSenderEncryptionCert=您試圖加密此郵件，不過您未於郵件與新聞群組帳號設定當中指定了正確的加密憑證，或憑證已過期。
+MissingRecipientEncryptionCert=您試圖加密此郵件，不過無法找到 %S 的加密憑證。
+ErrorEncryptMail=無法加密訊息。請確定您對每個收件者都有有效的郵件加密憑證。請確定在郵件與新聞群組帳號設定中指定的憑證有效，且受信任供發送郵件使用。
+ErrorCanNotSignMail=無法簽署訊息。請確定您在郵件與新聞群組帳號設定中指定的憑證有效，且受信任供發送郵件使用。
+
+NoSigningCert=憑證管理員找不到能簽署您的訊息的有效憑證。
+NoSigningCertForThisAddress=憑證管理員找不到能夠簽署您的訊息，地址為 <%S> 的有效憑證。
+NoEncryptionCert=憑證管理員找不到供他人使用的有效憑證來加密您所寄送的電子郵件。
+NoEncryptionCertForThisAddress=憑證管理員找不到能讓其他人用來傳送加密訊息到 <%S> 給您的有效憑證。
+
+encryption_needCertWantSame=在開始數位簽章前，您必須指定供其他人寄送加密郵件給您時所用的憑證。您想使用相同的憑證來加解密寄給您的郵件嗎？
+encryption_wantSame=您想使用相同的憑證來加解密寄給您的郵件嗎？
+encryption_needCertWantToSelect=在開始數位簽章前，您必須指定供其他人寄送加密郵件給您時所用的憑證。您想開始設定加解密的憑證嗎？
+signing_needCertWantSame=您還需要指定數位簽署用的憑證。您想使用相同的憑證來製作數位簽章嗎？
+signing_wantSame=您想用同樣的憑證來數位簽署您的訊息嗎？
+signing_needCertWantToSelect=您還要指定數位簽署用的憑證。您想立刻設定供數位簽署用的憑證嗎？
+
+## Strings used by nsMsgComposeSecure
+mime_smimeEncryptedContentDesc=S/MIME 加密郵件
+mime_smimeSignatureContentDesc=S/MIME 密碼簽署
+
+## Strings used by the cert picker.
+CertInfoIssuedFor=簽發給:
+CertInfoIssuedBy=簽發者:
+CertInfoValid=有效期間
+CertInfoFrom=從
+CertInfoTo=到
+CertInfoPurposes=用途
+CertInfoEmail=電子郵件
+CertInfoStoredIn=存放於:
+NicknameExpired=（已過期）
+NicknameNotYetValid=（尚未生效）
diff --git a/l10n-zh-TW/mail/chrome/messenger/appUpdate.properties b/l10n-zh-TW/mail/chrome/messenger/appUpdate.properties
new file mode 100644
index 0000000000..5592bd5fc5
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/appUpdate.properties
@@ -0,0 +1,40 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (updateAvailableTitle): %S will be replaced with brandShortName
+updateAvailableTitle=有 %S 更新可用。
+# LOCALIZATION NOTE (updateAvailableMessage): %S will be replaced with brandShortName
+updateAvailableMessage=請更新您的 %S，體驗最新效能與隱私保護功能改進。
+updateAvailablePrimaryButtonLabel=下載更新
+updateAvailablePrimaryButtonAccessKey=D
+updateAvailableSecondaryButtonLabel=現在不要
+updateAvailableSecondaryButtonAccessKey=N
+
+# LOCALIZATION NOTE (updateManualTitle): %S will be replaced with brandShortName
+updateManualTitle=無法更新 %S 到最新版本。
+# LOCALIZATION NOTE (updateManualMessage): %S will be replaced with brandShortName
+updateManualMessage=下載全新的 %S，我們會協助您安裝。
+# LOCALIZATION NOTE (updateManualPrimaryButtonLabel): %S will be replaced with brandShortName
+updateManualPrimaryButtonLabel=下載 %S
+updateManualPrimaryButtonAccessKey=D
+updateManualSecondaryButtonLabel=現在不要
+updateManualSecondaryButtonAccessKey=N
+
+# LOCALIZATION NOTE (updateUnsupportedTitle): %S will be replaced with brandShortName
+updateUnsupportedTitle=無法更新 %S 到最新版本。
+# LOCALIZATION NOTE (updateUnsupportedMessage): %S will be replaced with brandShortName
+updateUnsupportedMessage=您的系統不支援最新版的 %S。
+updateUnsupportedPrimaryButtonLabel=了解更多
+updateUnsupportedPrimaryButtonAccessKey=L
+updateUnsupportedSecondaryButtonLabel=關閉
+updateUnsupportedSecondaryButtonAccessKey=C
+
+# LOCALIZATION NOTE (updateRestartTitle): %S will be replaced with brandShortName
+updateRestartTitle=重新啟動以更新 %S。
+# LOCALIZATION NOTE (updateRestartMessage): %S will be replaced with brandShortName
+updateRestartMessage=重新啟動後，%S 將還原您所有已開啟的分頁與視窗。
+updateRestartPrimaryButtonLabel=重新啟動
+updateRestartPrimaryButtonAccessKey=R
+updateRestartSecondaryButtonLabel=現在不要
+updateRestartSecondaryButtonAccessKey=N
diff --git a/l10n-zh-TW/mail/chrome/messenger/appleMailImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/appleMailImportMsgs.properties
new file mode 100644
index 0000000000..486d473dee
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/appleMailImportMsgs.properties
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Short name of import module
+ApplemailImportName=Apple Mail
+
+# Description of import module
+ApplemailImportDescription=從 Mac OS X Mail 匯入本機郵件
+
+# Success Message
+# LOCALIZATION NOTE(ApplemailImportMailboxSuccess): Do not translate the word "%S" below.
+ApplemailImportMailboxSuccess=已成功由 %S 匯入至本機郵件
+
+# Error Message
+ApplemailImportMailboxBadparam=發生內部錯誤，匯入失敗。請重試。
+
+# Error message
+# LOCALIZATION NOTE(ApplemailImportMailboxConverterror): Do not translate the word "%S" below.
+ApplemailImportMailboxConverterror=從 %S 匯入郵件時發生錯誤。未匯入郵件。
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/baseMenuOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/baseMenuOverlay.dtd
new file mode 100644
index 0000000000..9dca132aa2
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/baseMenuOverlay.dtd
@@ -0,0 +1,35 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Help Menu -->
+<!ENTITY helpMenu.label "說明">
+<!ENTITY helpMenu.accesskey "H">
+<!-- LOCALIZATION NOTE some localizations of Windows use "?"
+                       for the help button in the menubar but Gnome does not.   -->
+<!ENTITY helpMenuWin.label "說明">
+<!ENTITY helpMenuWin.accesskey "H">
+<!ENTITY aboutProduct2.label "關於 &brandShorterName;">
+<!ENTITY aboutProduct2.accesskey "A">
+
+<!ENTITY productHelp.label "&brandShortName; 使用說明">
+<!ENTITY productHelp.accesskey "H">
+
+<!ENTITY productHelp.commandkey "VK_F1">
+<!ENTITY productHelpMac.commandkey "?">
+<!ENTITY productHelpMac.modifiers "accel">
+
+<!ENTITY helpKeyboardShortcuts.label "快速鍵">
+<!ENTITY helpKeyboardShortcuts.accesskey "K">
+
+<!ENTITY helpFeedbackPage.label "送出意見回饋…">
+<!ENTITY helpFeedbackPage.accesskey "S">
+
+<!ENTITY helpShowTour2.label "&brandShorterName; 使用導覽">
+<!ENTITY helpShowTour2.accesskey "o">
+
+<!ENTITY helpGetInvolvedPage.label "參與我們">
+<!ENTITY helpGetInvolvedPage.accesskey "I">
+
+<!ENTITY helpDonationsPage.label "捐款給我們">
+<!ENTITY helpDonationsPage.accesskey "M">
diff --git a/l10n-zh-TW/mail/chrome/messenger/beckyImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/beckyImportMsgs.properties
new file mode 100644
index 0000000000..c78ef5952e
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/beckyImportMsgs.properties
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# The following are used by the becky import code to display status/error
+# and informational messages
+
+# Short name of import module
+BeckyImportName=Becky! Internet Mail
+
+# Description of import module
+BeckyImportDescription=自 Becky! Internet Mail 匯入本機郵件
+
+# Success Message
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+# The variable %S will contain the name of the Mailbox
+BeckyImportMailboxSuccess=已成功自 %S 匯入本機郵件。
+
+BeckyImportAddressSuccess=已匯入通訊錄
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/charsetTitles.properties b/l10n-zh-TW/mail/chrome/messenger/charsetTitles.properties
new file mode 100644
index 0000000000..c23b92dc7a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/charsetTitles.properties
@@ -0,0 +1,80 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+## Rule of this file:
+## 1. key should always be in lower case ascii so we can do case insensitive
+##    comparison in the code faster.
+
+## Format of this file:
+## charset_name.title = a_title  -  specifies the human readable title for
+## this charset
+
+iso-8859-1.title    = 英文／西歐語系 (ISO-8859-1)
+iso-8859-2.title    = 中歐語系 (ISO-8859-2)
+iso-8859-3.title    = 南歐語系 (ISO-8859-3)
+iso-8859-4.title    = 波羅的海語系 (ISO-8859-4)
+iso-8859-10.title   = 北歐語系 (ISO-8859-10)
+iso-8859-13.title   = 波羅的海語系 (ISO-8859-13)
+iso-8859-14.title   = 愛爾蘭／塞爾特語系 (ISO-8859-14)
+iso-8859-15.title   = 英文／西歐語系 (ISO-8859-15)
+iso-8859-16.title   = 羅馬尼亞文 (ISO-8859-16)
+windows-1250.title  = 中歐語系 (Windows-1250)
+windows-1252.title  = 英文／西歐語系 (Windows-1252)
+windows-1254.title  = 土耳其文 (Windows-1254)
+windows-1257.title  = 波羅的海語系 (Windows-1257)
+macintosh.title         = 西歐語系 (MacRoman)
+x-mac-ce.title          = 中歐語系 (MacCE)
+x-mac-turkish.title     = 土耳其文 (MacTurkish)
+x-mac-croatian.title    = 克羅埃西亞文 (MacCroatian)
+x-mac-romanian.title    = 羅馬尼亞文 (MacRomanian)
+x-mac-icelandic.title   = 冰島文 (MacIcelandic)
+iso-2022-jp.title = 日文 (ISO-2022-JP)
+shift_jis.title = 日文 (Shift_JIS)
+euc-jp.title = 日文 (EUC-JP)
+big5.title = 正體中文 (Big5)
+big5-hkscs.title = 正體中文香港字 (Big5-HKSCS)
+gb2312.title = 簡體中文 (GB2312)
+gbk.title = 簡體中文 (GBK)
+euc-kr.title = 韓文 (EUC-KR)
+utf-7.title = 萬國碼 Unicode (UTF-7)
+utf-8.title = 萬國碼 Unicode (UTF-8)
+utf-16.title = 萬國碼 Unicode (UTF-16)
+utf-16le.title = 萬國碼 Unicode (UTF-16LE)
+utf-16be.title = 萬國碼 Unicode (UTF-16BE)
+iso-8859-5.title = 俄文／斯拉夫語系 (ISO-8859-5)
+windows-1251.title = 俄文／斯拉夫語系 (Windows-1251)
+x-mac-cyrillic.title = 俄文／斯拉夫語系 (MacCyrillic)
+x-mac-ukrainian.title = 烏克蘭文／斯拉夫語系 (MacUkrainian)
+koi8-r.title = 俄文／斯拉夫語系 (KOI8-R)
+koi8-u.title = 烏克蘭文／斯拉夫語系 (KOI8-U)
+iso-8859-7.title = 希臘文 (ISO-8859-7)
+windows-1253.title = 希臘文 (Windows-1253)
+x-mac-greek.title = 希臘文 (MacGreek)
+windows-1258.title = 越南文 (Windows-1258)
+windows-874.title = 泰文 (Windows-874)
+iso-8859-6.title = 阿拉伯文 (ISO-8859-6)
+iso-8859-8.title = 希伯來文 (ISO-8859-8)
+iso-8859-8-i.title = 希伯來文 (ISO-8859-8-I)
+windows-1255.title = 希伯來文 (Windows-1255)
+windows-1256.title = 阿拉伯文 (Windows-1256)
+x-user-defined.title = 使用者自訂
+ibm866.title = 俄文／斯拉夫語系 (CP-866)
+gb18030.title = 簡體中文 (GB18030)
+x-mac-arabic.title = 阿拉伯文 (MacArabic)
+x-mac-farsi.title = 波斯文 (MacFarsi)
+x-mac-hebrew.title = 希伯來文 (MacHebrew)
+x-mac-devanagari.title = 印地語天城文 (MacDevanagari)
+x-mac-gujarati.title = 古吉拉特梵文 (MacGujarati)
+x-mac-gurmukhi.title = 古魯穆奇文 (MacGurmukhi)
+
+chardet.off.title                           = (關閉)
+chardet.universal_charset_detector.title    = 各種語系
+chardet.ja_parallel_state_machine.title     = 日文
+chardet.ko_parallel_state_machine.title     = 韓文
+chardet.zhtw_parallel_state_machine.title   = 正體中文
+chardet.zhcn_parallel_state_machine.title   = 簡體中文
+chardet.zh_parallel_state_machine.title     = 中文
+chardet.cjk_parallel_state_machine.title    = 中日韓語言
+chardet.ruprob.title                        = 俄文
+chardet.ukprob.title                        = 烏克蘭語
diff --git a/l10n-zh-TW/mail/chrome/messenger/chat.dtd b/l10n-zh-TW/mail/chrome/messenger/chat.dtd
new file mode 100644
index 0000000000..4278af57e0
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/chat.dtd
@@ -0,0 +1,44 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY onlineContactsHeader.label    "線上聯絡人">
+<!ENTITY offlineContactsHeader.label   "離線聯絡人">
+<!ENTITY conversationsHeader.label     "對話">
+<!ENTITY searchResultConversation.label "搜尋結果">
+<!ENTITY chat.noConv.title             "對話將會顯示於此處。">
+<!ENTITY chat.noConv.description       "請使用左邊窗格的聯絡人清單開啟對話。">
+<!ENTITY chat.noPreviousConv.description       "&brandShortName; 目前尚未儲存先前與此聯絡人的對話。">
+<!ENTITY chat.noAccount.title             "您尚未建立聊天帳號。">
+<!ENTITY chat.noAccount.description       "讓 &brandShortName; 帶著您設定聊天帳號。">
+<!ENTITY chat.accountWizard.button       "開始設定">
+<!ENTITY chat.noConnectedAccount.title             "您尚未連線到聊天帳號。">
+<!ENTITY chat.noConnectedAccount.description       "您可以在「聊天帳號」視窗連線到這些帳號:">
+<!ENTITY chat.showAccountManager.button       "顯示聊天狀態">
+
+<!ENTITY chat.participants             "參與者:">
+<!ENTITY chat.previousConversations    "先前的討論串:">
+<!ENTITY chat.ongoingConversation      "正在進行的對話">
+
+<!ENTITY openConversationCmd.label     "開始討論串">
+<!ENTITY openConversationCmd.accesskey "C">
+<!ENTITY closeConversationCmd.label    "關閉對話">
+<!ENTITY closeConversationCmd.accesskey "C">
+<!ENTITY aliasCmd.label                "重新命名">
+<!ENTITY aliasCmd.accesskey            "R">
+<!ENTITY deleteCmd.label               "移除聯絡人">
+<!ENTITY deleteCmd.accesskey           "v">
+
+<!ENTITY openConversationButton.tooltip  "開始討論串">
+<!ENTITY closeConversationButton.tooltip "關閉對話">
+
+<!ENTITY addBuddyButton.label          "新增聯絡人">
+<!ENTITY joinChatButton.label          "加入聊天">
+<!ENTITY chatAccountsButton.label      "顯示帳號">
+
+<!ENTITY status.available          "有空">
+<!ENTITY status.unavailable        "沒空">
+<!ENTITY status.offline            "離線">
+
+<!ENTITY openLinkCmd.label            "開啟鏈結…">
+<!ENTITY openLinkCmd.accesskey        "O">
diff --git a/l10n-zh-TW/mail/chrome/messenger/chat.properties b/l10n-zh-TW/mail/chrome/messenger/chat.properties
new file mode 100644
index 0000000000..e06eeb154f
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/chat.properties
@@ -0,0 +1,110 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+chatTabTitle=聊天
+goBackToCurrentConversation.button=回到目前的對話
+# LOCALIZATION NOTE (startAConversationWith.button):
+#  %S is replaced with the display name of a contact.
+startAConversationWith.button=開始與 %S 的對話
+
+# LOCALIZATION NOTE (defaultGroup):
+#  this is used in the addBuddies dialog if the list of existing groups is empty
+defaultGroup=聯絡人
+
+# LOCALIZATION NOTE (buddy.authRequest.label):
+# This string appears in a notification bar at the
+# top of the Contacts window when someone added the user to his/her
+# contact list, to request the permission from the user to share
+# status information with this potential new contact.
+# %S is replaced with the user name of the potential new contact.
+buddy.authRequest.label=%S 想要與您聊天
+buddy.authRequest.allow.label=允許
+buddy.authRequest.allow.accesskey=A
+buddy.authRequest.deny.label=拒絕
+buddy.authRequest.deny.accesskey=D
+
+## LOCALIZATION NOTE (buddy.verificationRequest):
+# Strings used in a notification bar at the top of the chat tab when someone
+# sends a verification request for end-to-end encryption keys.
+# %S is replaced with the display name of the user or, if this is to verify a
+# session of yourself, a string that identifies the session.
+buddy.verificationRequest.label=%S 想驗證彼此的身份
+buddy.verificationRequest.allow.label=開始驗證
+buddy.verificationRequest.allow.accesskey=S
+buddy.verificationRequest.deny.label=拒絕
+buddy.verificationRequest.deny.accesskey=D
+
+# LOCALIZATION NOTE (buddy.deletePrompt.title):
+# %S here will be replaced by the alias (or username) of a buddy about
+# to be removed from the buddy list.
+buddy.deletePrompt.title=刪除 %S？
+
+# LOCALIZATION NOTE (buddy.deletePrompt.message):
+# %1$S will be replaced by the name of a buddy (either the alias
+# followed by the username between parenthesis if an alias is set, or
+# only the username otherwise).
+# %2$S will be the name of the protocol on which this buddy is removed
+# (for example: AIM, MSN, Google Talk).
+#
+# Please find a wording that will keep the username as close as
+# possible to the beginning of the string, because this is the
+# important information that an user should see when looking quickly
+# at this prompt.
+buddy.deletePrompt.message=繼續的話，%1$S 將會自您 %2$S 好友清單當中被移除。
+
+# LOCALIZATION NOTE (buddy.deletePrompt.displayName):
+# This is used to format the display name inserted in buddy.deletePrompt.message
+# %1$S is the alias, %2$S is the username.
+buddy.deletePrompt.displayName=%1$S（%2$S）
+
+# LOCALIZATION NOTE (buddy.deletePrompt.button):
+# the & symbol indicates the position of the character that should be
+# used as the accesskey for this button.
+buddy.deletePrompt.button=刪除 (&D)
+
+displayNameEmptyText=顯示名稱
+userIconFilePickerTitle=選擇新圖示…
+
+# LOCALIZATION NOTE (chat.isTyping, chat.hasStoppedTyping):
+# The contact display name is displayed with a big font on a first
+# line and these two strings are displayed on a second line with a
+# smaller font. Please try to find a wording that make this look
+# almost like a sentence.
+chat.isTyping=正在輸入…
+chat.hasStoppedTyping=已停止輸入。
+# LOCALIZATION NOTE (chat.contactIsTyping, chat.contactHasStoppedTyping):
+#  These strings are displayed in a tooltip when hovering the status type icon.
+#  %S is replaced with the display name of the contact.
+chat.contactIsTyping=%S 正在輸入。
+chat.contactHasStoppedTyping=%S 已停止輸入。
+
+# LOCALIZATION NOTE (unknownCommand):
+# This is shown when an unknown command (/foo) is attempted. %S is the command.
+unknownCommand=%S 是不受支援的命令。請輸入 /help 檢視受支援的命令清單。
+
+#LOCALIZATION NOTE
+# These are special entries in the log tree for the corresponding days.
+log.today=今天
+log.yesterday=昨天
+
+#LOCALIZATION NOTE
+# These are special groups in the log tree for the last 3-7 days and
+# the last 8-14 days.
+log.currentWeek=本週
+log.previousWeek=上週
+
+# LOCALIZATION NOTE (messagePreview):
+# This is the default message preview to be shown
+# when the user has chosen not to show any info in the notification about the
+# incoming message being notified.
+messagePreview=新增聊天訊息
+
+#LOCALIZATION NOTE (bundledMessagePreview):  Semi-colon list of plural forms.
+# Used when multiple incoming messages from the same sender are bundled
+# into a single notification.
+# #1 is the number of incoming messages the user is being notified about. When #1
+# is greater than one, the plural form after the semicolon is used.
+# Do not translate %1$S, it is the message preview to be shown in the
+# notification, i.e. the first incoming message.
+bundledMessagePreview=%1$S…（還有 #1 個訊息）
diff --git a/l10n-zh-TW/mail/chrome/messenger/configEditorOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/configEditorOverlay.dtd
new file mode 100644
index 0000000000..b625ef49a9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/configEditorOverlay.dtd
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY closeCmd.key "W">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/converterDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/converterDialog.dtd
new file mode 100644
index 0000000000..a508b27955
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/converterDialog.dtd
@@ -0,0 +1,11 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY converterDialog.title "訊息儲存空間類型轉換器">
+<!ENTITY converterDialog.continueButton "繼續">
+<!ENTITY converterDialog.cancelButton "取消">
+<!ENTITY converterDialog.finishButton "完成">
+<!ENTITY converterDialog.complete "轉換完成。&brandShortName; 將重新啟動。">
+<!ENTITY converterDialog.error "轉換失敗。">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/converterDialog.properties b/l10n-zh-TW/mail/chrome/messenger/converterDialog.properties
new file mode 100644
index 0000000000..7c02d864fe
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/converterDialog.properties
@@ -0,0 +1,41 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (converterDialog.warning):
+# %1$S will be replaced by the name of the account which is going to be converted.
+# %2$S will be replaced by the format into which the account will be converted.
+# %3$S will be replaced by $BrandShortName.
+converterDialog.warning=%1$S 帳號中的訊息，將轉換為 %2$S 格式。轉換完成後 %3$S 將重新啟動。
+
+# LOCALIZATION NOTE (converterDialog.message):
+# %1$S will be replaced by the name of the account which is being converted.
+# %2$S will be replaced by the format into which the account will be converted.
+converterDialog.message=正在將 %1$S 帳號轉換為 %2$S 格式…
+
+# LOCALIZATION NOTE (converterDialog.warningForDeferredAccount):
+# %1$S will be replaced by the name of the deferred account for which migration is initiated by the user.
+# %2$S will be replaced by the name of the account to which the deferred account is deferred ie the name of the deferred-to account.
+# %3$S will be replaced by the name of the deferred-to account.
+# %4$S will be replaced by a comma separated list of names of accounts which are deferred to the deferred-to account.
+# %5$S will be replaced by a comma separated list of names of accounts which are going to get converted.
+# %6$S will be replaced by the format into which the accounts will be converted.
+# %7$S will be replaced by $BrandShortName.
+converterDialog.warningForDeferredAccount=%1$S 已被委託給 %2$S。下列帳號已被委託給 %3$S: %4$S。%5$S 帳號中的訊息將轉換為 %6$S 格式，%7$S 將在轉換完成後重新啟動。
+
+# LOCALIZATION NOTE (converterDialog.warningForDeferredToAccount):
+# %1$S will be replaced by the name of the deferred-to account for which migration is initiated by the user and to which other accounts are deferred.
+# %2$S will be replaced by a comma separated list of names of accounts which are deferred to the deferred-to account.
+# %3$S will be replaced by a comma separated list of names of accounts which are going to get converted.
+# %4$S will be replaced by the format into which the accounts will be converted.
+# %5$S will be replaced by $BrandShortName.
+converterDialog.warningForDeferredToAccount=下列帳號已被委託給 %1$S: %2$S。%3$S 帳號中的訊息將轉換為 %4$S 格式，%5$S 將在轉換完成後重新啟動。
+
+# LOCALIZATION NOTE (converterDialog.messageForDeferredAccount):
+# %1$S will be replaced by a comma separated list of names of accounts which are being converted.
+# %2$S will be replaced by the format into which the accounts will be converted.
+converterDialog.messageForDeferredAccount=正在將 %1$S 帳號轉換為 %2$S 格式…
+
+# LOCALIZATION NOTE (converterDialog.percentDone):
+# %1$S will be replaced by the percentage of conversion that is complete.
+converterDialog.percentDone=%1$S%% 完成
diff --git a/l10n-zh-TW/mail/chrome/messenger/custom.properties b/l10n-zh-TW/mail/chrome/messenger/custom.properties
new file mode 100644
index 0000000000..15ba28c6a0
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/custom.properties
@@ -0,0 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+colonInHeaderName=您輸入的標頭內含不正確的字元，如「:」、不可列印或非 ASCII 的字元。請移除這些字元後重試。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/customizeToolbar.dtd b/l10n-zh-TW/mail/chrome/messenger/customizeToolbar.dtd
new file mode 100644
index 0000000000..df9da0fe55
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/customizeToolbar.dtd
@@ -0,0 +1,18 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY dialog.title             "自訂工具列">
+<!ENTITY dialog.dimensions        "width: 92ch; height: 36em;">
+<!ENTITY instructions.description "您可以藉由拖放的動作新增或移除工具列上的項目。">
+<!ENTITY show.label               "顯示:">
+<!ENTITY iconsAndText.label       "圖示與文字">
+<!ENTITY icons.label              "圖示">
+<!ENTITY text.label               "文字">
+<!ENTITY iconsBesideText.label    "文字旁的圖示">
+<!ENTITY useSmallIcons.label      "使用小圖示">
+<!ENTITY restoreDefaultSet.label  "回復預設設定">
+<!ENTITY showTitlebar2.label      "標題列">
+<!ENTITY extraDragSpace2.label    "拖曳空間">
+<!ENTITY saveChanges.label        "完成">
+<!ENTITY undoChanges.label        "取消變更">
diff --git a/l10n-zh-TW/mail/chrome/messenger/customizeToolbar.properties b/l10n-zh-TW/mail/chrome/messenger/customizeToolbar.properties
new file mode 100644
index 0000000000..ce80842a01
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/customizeToolbar.properties
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+enterToolbarTitle=新工具列
+enterToolbarName=輸入此工具列的名稱:
+enterToolbarDup=已有名為「%S」的工具列。請輸入其它名稱。
+enterToolbarBlank=請輸入新工具列的名稱。
+separatorTitle=分隔線
+springTitle=靈活空間
+spacerTitle=空白
diff --git a/l10n-zh-TW/mail/chrome/messenger/devtools/dbgserver.dtd b/l10n-zh-TW/mail/chrome/messenger/devtools/dbgserver.dtd
new file mode 100644
index 0000000000..fd921e7521
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/devtools/dbgserver.dtd
@@ -0,0 +1,9 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY options.title "開發者工具選項">
+<!ENTITY options.status.label "狀態:">
+<!ENTITY options.port.label "Port:">
+<!ENTITY options.forcelocal.label "允許來自其他電腦的連線">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/devtools/dbgserver.properties b/l10n-zh-TW/mail/chrome/messenger/devtools/dbgserver.properties
new file mode 100644
index 0000000000..3890932faa
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/devtools/dbgserver.properties
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+options.stop.label=停止開發者工具伺服器
+options.start.label=啟動開發者工具伺服器
+
+options.connected.label=已連結至 #1 個客戶端
+options.connected.tooltip=開發者工具執行中，已連結客戶端。
+options.listening.label=Listening
+options.listening.tooltip=開發者工具執行中，正等待連線。
+options.idle.label=未執行
+options.idle.tooltip=未執行開發者工具伺服器，您可以在此對話框中執行。
+options.unsupported.label=不支援
+options.unsupported.tooltip=載入內建的開發者工具伺服器時發生錯誤。請確定它已正確封裝好，並看看您的錯誤主控台當中有沒有錯誤訊息。
diff --git a/l10n-zh-TW/mail/chrome/messenger/downloadheaders.dtd b/l10n-zh-TW/mail/chrome/messenger/downloadheaders.dtd
new file mode 100644
index 0000000000..4c29189af1
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/downloadheaders.dtd
@@ -0,0 +1,28 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY all.label          "下載所有郵件資訊">
+<!ENTITY all.accesskey      "D">
+<!--LOCALIZATION NOTE (download.label):
+    consider the download.label and headers.label as a single sentence
+   with the number of headers to be downloaded inserted between them:
+   EXAMPLE: "Download" <some number> "headers"
+   Either label could be set to null ("") if required grammatically.
+-->
+
+<!--LOCALIZATION NOTE (download.label):
+    consider the download.label and headers.label as a single sentence
+    with the number of headers to be downloaded inserted between them:
+    EXAMPLE: "Download" <some number> "headers"
+    Either label could be set to null ("") if required grammatically.
+-->
+
+<!ENTITY download.label     "下載">
+<!ENTITY download.accesskey "o">
+<!--LOCALIZATION NOTE (headers.label): see note for download.label -->
+<!ENTITY headers.label      "封郵件資訊">
+<!ENTITY headers.accesskey  "h">
+<!ENTITY mark.label         "把剩下的郵件標示為已讀">
+<!ENTITY mark.accesskey     "M">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/editContactOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/editContactOverlay.dtd
new file mode 100644
index 0000000000..97ac3cf334
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/editContactOverlay.dtd
@@ -0,0 +1,21 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY editContactPanelDeleteContact.label "刪除">
+<!ENTITY editContactPanelDeleteContact.accesskey "l">
+
+<!ENTITY editContactName.label "名字:">
+<!ENTITY editContactName.accesskey "N">
+
+<!ENTITY editContactEmail.label "電子郵件:">
+<!ENTITY editContactEmail.accesskey "E">
+
+<!ENTITY editContactAddressBook.label "通訊錄:">
+<!ENTITY editContactAddressBook.accesskey "A">
+
+<!ENTITY editContactPanelDone.label "完成">
+<!ENTITY editContactPanelDone.accesskey "D">
+
+<!ENTITY contactMoveDisabledWarning.description "因為聯絡人位於郵件群組中，您無法修改通訊錄。">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/editContactOverlay.properties b/l10n-zh-TW/mail/chrome/messenger/editContactOverlay.properties
new file mode 100644
index 0000000000..006404776b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/editContactOverlay.properties
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+editTitle=編輯連絡人
+viewTitle=檢視連絡人
+
+editDetailsLabel=編輯詳情
+editDetailsAccessKey=t
+viewDetailsLabel=檢視細節
+viewDetailsAccessKey=t
+
+deleteContactTitle=刪除連絡人
+deleteContactMessage=您確定要刪除這個聯絡人？
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/fieldMapImport.dtd b/l10n-zh-TW/mail/chrome/messenger/fieldMapImport.dtd
new file mode 100644
index 0000000000..ecddb2483b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/fieldMapImport.dtd
@@ -0,0 +1,18 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY fieldMapImport.next.label "下一步">
+<!ENTITY fieldMapImport.next.accesskey "N">
+<!ENTITY fieldMapImport.previous.label "上一步">
+<!ENTITY fieldMapImport.previous.accesskey "P">
+<!ENTITY fieldMapImport.text "使用上移及下移以使右列資料對應左列通訊錄欄位。不想要的項目就不要勾選。">
+<!ENTITY fieldMapImport.up.label "上移">
+<!ENTITY fieldMapImport.up.accesskey "U">
+<!ENTITY fieldMapImport.down.label "下移">
+<!ENTITY fieldMapImport.down.accesskey "D">
+<!ENTITY fieldMapImport.fieldListTitle "通訊錄欄位:">
+<!ENTITY fieldMapImport.dataTitle "匯入資料:">
+<!ENTITY fieldMapImport.skipFirstRecord.label "第一項為標題">
+<!ENTITY fieldMapImport.skipFirstRecord.accessKey "F">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/filter.properties b/l10n-zh-TW/mail/chrome/messenger/filter.properties
new file mode 100644
index 0000000000..c6de314a04
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/filter.properties
@@ -0,0 +1,109 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+mustSelectFolder=您必須指定目的郵件匣。
+enterValidEmailAddress=請輸入要轉寄的電子郵件地址。
+pickTemplateToReplyWith=選取回信用的範本。
+mustEnterName=您必須指定篩選條件的名稱。
+cannotHaveDuplicateFilterTitle=複製篩選條件名稱
+cannotHaveDuplicateFilterMessage=您輸入的篩選條件名稱已存在，請使用別的名稱。
+mustHaveFilterTypeTitle=未選擇篩選事件
+mustHaveFilterTypeMessage=您必須至少選擇一項此篩選條件要在什麼情況下套用的事件。若您暫時不想讓條件在任何情況下執行，請直接在訊息篩選條件對話視窗中取消勾選啟用的狀態。
+deleteFilterConfirmation=您確定要刪除此篩選條件？
+matchAllFilterName=符合所有郵件
+filterListBackUpMsg=您的篩選條件無法作用，因為程式無法讀取 msgFilterRuless.dat 檔 (內含您的篩選條件)。程式會備份舊檔案為 rulesbackup.dat，再建立新的檔案。
+customHeaderOverflow=您使用超過 50 個自定標頭 (Header)。請減少標頭後重試。
+filterCustomHeaderOverflow=您已超過篩選條件的 50 個自訂標頭 (Header) 限制。請編輯 msgFilterRules.dat 檔案，以將自訂標頭降到 50 個以下。
+invalidCustomHeader=您的篩選條件之中有一個使用了不正確的字元來做標頭，如「:」、不可列印或非 ASCII 的字元。請重新編輯您的篩選條件設定檔「msgFilterRules.dat」以移除這些不正確的字元。
+continueFilterExecution=無法套用篩選條件「%S」。您要繼續套用其它篩選條件嗎？
+promptTitle=正在篩選
+promptMsg=您正使用篩選條件過濾郵件。\n您要繼續篩選其他郵件嗎？
+stopButtonLabel=停止
+continueButtonLabel=繼續
+# LOCALIZATION NOTE(cannotEnableIncompatFilter)
+# %S=the name of the application
+cannotEnableIncompatFilter=此篩選器似乎是由新版或不相容版本的 %S 建立的。我們無法了解如何套用規則，故無法啟用此篩選器。
+dontWarnAboutDeleteCheckbox=不要再問我
+# LOCALIZATION NOTE(copyToNewFilterName)
+# %S=the name of the filter that is being copied
+copyToNewFilterName=%S 的副本
+# LOCALIZATION NOTE(contextPeriodic.label): Semi-colon list of plural forms.
+# #1=the number of minutes
+contextPeriodic.label=定期，每 #1 分鐘
+
+# LOCALIZATION NOTE(filterFailureWarningPrefix)
+# %1$S=filter error action
+# %2$S=error code as hexadecimal string.
+filterFailureWarningPrefix=過濾失敗: 對下列郵件套用規則「%1$S」時，錯誤代碼為 %2$S:
+filterFailureSendingReplyError=傳送回覆時發生錯誤
+filterFailureSendingReplyAborted=已中止傳送回覆
+filterFailureMoveFailed=移動失敗
+filterFailureCopyFailed=複製失敗
+
+filterFailureAction=篩選操作套用失敗
+
+searchTermsInvalidTitle=無效搜尋條件
+# LOCALIZATION NOTE(searchTermsInvalidRule)
+# %1$S=search attribute name from the invalid rule
+# %2$S=search operator from the bad rule
+searchTermsInvalidRule=因為所搜尋的詞彙「%1$S %2$S」在此環境中無效，無法儲存此篩選條件。
+# LOCALIZATION NOTE(filterActionOrderExplanation)
+# Keep the \n\n that mean 2 linebreaks.
+filterActionOrderExplanation=當有訊息符合此篩選條件時，將依照此順序進行篩選:\n\n
+filterActionOrderTitle=實際執行順序
+## LOCALIZATION NOTE(filterActionItem):
+# %1$S=sequence number of the action, %2$S=action text, %3$S=action argument
+filterActionItem=%1$S. %2$S %3$S\n
+
+## LOCALIZATION NOTE(filterCountVisibleOfTotal):
+# %1$S=number of matching filters, %2$S=total number of filters
+filterCountVisibleOfTotal=在 %2$S 筆當中找到 %1$S 筆
+## LOCALIZATION NOTE(filterCountItems):
+## Semicolon-separated list of singular and plural forms.
+## See: https://developer.mozilla.org/en/docs/Localization_and_Plurals
+## #1 is the count of items in the list.
+filterCountItems=#1 個項目
+# for junk mail logging / mail filter logging
+# LOCALIZATION NOTE(junkLogDetectStr)
+# %1$S=author, %2$S=subject, %3$S=date
+junkLogDetectStr=偵測到垃圾郵件來自 %1$S - %2$S , %3$S
+# LOCALIZATION NOTE(logMoveStr)
+# %1$S=message id, %2$S=folder URI
+logMoveStr=已移動郵件 ID = %1$S 到 %2$S
+# LOCALIZATION NOTE(logCopyStr)
+# %1$S=message id, %2$S=folder URI
+logCopyStr=已複製郵件 ID = %1$S 到 %2$S
+# LOCALIZATION NOTE(filterLogLine):
+# %1$S=timestamp, %2$S=log message
+filterLogLine=[%1$S] %2$S
+# LOCALIZATION NOTE(filterMessage):
+# %1$S=filter name, %1$S=log message
+filterMessage=來自篩選器「%1$S」的訊息: %2$S
+# LOCALIZATION NOTE(filterLogDetectStr)
+# %1$S=filter name %2$S=author, %3$S=subject, %4$S=date
+filterLogDetectStr=已套用篩選條件「%1$S」到來自 %2$S - %3$S , %4$S 的郵件
+filterMissingCustomAction=遺失自訂動作
+filterAction2=已變更重要性
+filterAction3=已刪除
+filterAction4=已標示為已讀
+filterAction5=已砍掉此主題
+filterAction6=已追蹤此主題
+filterAction7=已加上星號
+filterAction8=已貼標籤
+filterAction9=已回信
+filterAction10=已轉寄
+filterAction11=已強制停止
+filterAction12=已從 POP3 伺服器刪除
+filterAction13=從 POP3 伺服器離開
+filterAction14=已設狀態
+filterAction15=從 POP3 伺服器讀取內文
+filterAction16=已複製到郵件匣
+filterAction17=已貼標籤
+filterAction18=忽略回覆討論串
+filterAction19=已標示為未讀
+# LOCALIZATION NOTE(filterAutoNameStr)
+# %1$S=Header or item to match, e.g. "From", "Tag", "Age in days", etc.
+# %2$S=Operator, e.g. "Contains", "is", "is greater than", etc.
+# %3$S=Value, e.g. "Steve Jobs", "Important", "42", etc.
+filterAutoNameStr=%1$S %2$S: %3$S
diff --git a/l10n-zh-TW/mail/chrome/messenger/folderProps.dtd b/l10n-zh-TW/mail/chrome/messenger/folderProps.dtd
new file mode 100644
index 0000000000..fc1592b58c
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/folderProps.dtd
@@ -0,0 +1,70 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY folderProps.windowtitle.label           "屬性">
+
+<!ENTITY generalInfo.label                       "一般資訊">
+<!ENTITY folderRebuildSummaryFileTip2.label      "重建摘要檔案索引">
+<!ENTITY folderRebuildSummaryFile2.label         "修復資料夾">
+<!ENTITY folderRebuildSummaryFile2.accesskey     "R">
+<!ENTITY folderRebuildSummaryFile.explanation    "有時資料夾索引（.msf）檔可能會毀損，有些郵件可能會突然消失；已經被刪除的郵件也可能持續存在。重建資料夾可能可以修正這些問題。">
+<!ENTITY folderIncludeInGlobalSearch.label       "將這個資料夾內的訊息包含於全域搜尋結果">
+<!ENTITY folderIncludeInGlobalSearch.accesskey   "g">
+
+<!ENTITY retention.label "保存方式">
+<!ENTITY retentionUseAccount.label  "使用我的帳號設定">
+<!ENTITY retentionUseAccount.accesskey "U">
+<!ENTITY daysOld.label "天的郵件或文章">
+<!ENTITY message.label "封以外全部刪除">
+<!ENTITY retentionCleanup.label "為了減少佔用的磁碟空間，可以永遠刪除舊郵件或文章。">
+<!ENTITY retentionCleanupImap.label "欲回復磁碟空間，可以永久刪除舊郵件的本機副本和遠端的原始郵件。">
+<!ENTITY retentionCleanupPop.label "欲回復磁碟空間，可以永久刪除舊的郵件包括遠端伺服器上的那一份。">
+<!ENTITY retentionDeleteMsg.label "刪除存放超過">
+<!ENTITY retentionDeleteMsg.accesskey "m">
+<!ENTITY retentionKeepAll.label "不要刪除任何郵件或文章">
+<!ENTITY retentionKeepAll.accesskey "a">
+<!ENTITY retentionKeepRecent.label "除了最近的">
+<!ENTITY retentionKeepRecent.accesskey "l">
+<!ENTITY retentionApplyToFlagged.label "保留星號標記的郵件">
+<!ENTITY retentionApplyToFlagged.accesskey "e">
+
+<!ENTITY folderSynchronizationTab.label          "同步">
+<!ENTITY folderCheckForNewMessages2.label         "要檢查這個帳號的新訊息時，永遠檢查這個資料夾">
+<!ENTITY folderCheckForNewMessages2.accesskey     "c">
+
+<!ENTITY offlineFolder.check.label               "離線閱讀此郵件匣">
+<!ENTITY offlineFolder.check.accesskey           "S">
+<!ENTITY offlineFolder.button.label              "立刻下載">
+<!ENTITY offlineFolder.button.accesskey          "D">
+
+<!ENTITY selectofflineNewsgroup.check.label      "離線閱讀此新聞群組">
+<!ENTITY selectofflineNewsgroup.check.accesskey  "o">
+<!ENTITY offlineNewsgroup.button.label           "立刻下載">
+<!ENTITY offlineNewsgroup.button.accesskey       "D">
+
+<!ENTITY folderProps.name.label                  "名稱:">
+<!ENTITY folderProps.name.accesskey              "N">
+<!ENTITY folderProps.color.label                 "圖示色彩:">
+<!ENTITY folderProps.color.accesskey             "I">
+<!ENTITY folderProps.reset.tooltip               "回復預設色彩">
+<!ENTITY folderProps.location.label              "位置:">
+<!ENTITY folderProps.location.accesskey          "L">
+
+<!ENTITY folderSharingTab.label                  "分享">
+<!ENTITY privileges.button.label                 "權限…">
+<!ENTITY privileges.button.accesskey             "P">
+<!ENTITY permissionsDesc.label                   "您有下列權限:">
+<!ENTITY folderOtherUsers.label                  "其他有權限存取此信件匣的人:">
+<!ENTITY folderType.label                        "信件匣類型:">
+
+<!ENTITY folderQuotaTab.label                    "配額">
+<!ENTITY folderQuotaUsage.label                  "用量:">
+<!ENTITY folderQuotaStatus.label                 "狀態:">
+
+<!ENTITY numberOfMessages.label                  "訊息數量:">
+<!-- LOCALIZATION NOTE: When the number of messages can't be determined, this string is displayed as the number -->
+<!ENTITY numberUnknown.label                     "未知">
+<!ENTITY sizeOnDisk.label                        "在磁碟上的大小:">
+<!-- LOCALIZATION NOTE: When the size can't be determined, this string is displayed as the size -->
+<!ENTITY sizeUnknown.label                       "未知">
diff --git a/l10n-zh-TW/mail/chrome/messenger/folderWidgets.properties b/l10n-zh-TW/mail/chrome/messenger/folderWidgets.properties
new file mode 100644
index 0000000000..1615d78120
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/folderWidgets.properties
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE(globalInbox)
+# %S=name of the Local folders account
+globalInbox=全域收件匣 (%S)
+# LOCALIZATION NOTE(verboseFolderFormat): %1$S is folder name, %2$S is server name
+verboseFolderFormat=%1$S 在 %2$S
+chooseFolder=選擇資料夾…
+chooseAccount=選擇帳號…
+noFolders=沒有可用的資料夾
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/folderpane.dtd b/l10n-zh-TW/mail/chrome/messenger/folderpane.dtd
new file mode 100644
index 0000000000..acd63cbf83
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/folderpane.dtd
@@ -0,0 +1,8 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<!ENTITY nameColumn.label   "姓名"> 
+<!ENTITY unreadColumn.label "未讀"> 
+<!ENTITY totalColumn.label "全部"> 
+<!ENTITY folderSizeColumn.label "大小"> 
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/gloda.properties b/l10n-zh-TW/mail/chrome/messenger/gloda.properties
new file mode 100644
index 0000000000..d5de483996
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/gloda.properties
@@ -0,0 +1,175 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (*.facetNameLabel): These are the labels used to label the facet
+#  displays in the global search facet display mechanism.  They should be
+#  compact descriptions of the facet type (e.g. "Folder", and don't need to
+#  refer to the objects being faceted (e.g. "Message" or "Mail").
+
+# LOCALIZATION NOTE (*.includeLabel): The label to use for the included group
+#  in the facet display. If not provided, we will fall back to
+#  "glodaFacetView.facets.included.fallbackLabel".
+
+# LOCALIZATION NOTE (*.excludeLabel): The label to use for the excluded group
+#  in the facet display. If not provided, we will fall back to
+#  "glodaFacetView.facets.excluded.fallbackLabel".
+
+# LOCALIZATION NOTE (*.remainderLabel): The label to use for the remaining items
+#  that are neither part of the included group or the excluded group in the
+#  facet display. If not provided, we will fall back to
+#  "glodaFacetView.facets.remainder.fallbackLabel".
+
+# LOCALIZATION NOTE (*.mustMatchLabel): The label to use for the popup menu
+#  to indicate that the results should be restricted to messages which match
+#  a particular value. If not provided, we will fall back to
+#  "glodaFacetView.facets.mustMatch.fallbackLabel".  #1, if present, is
+#  replaced by the value of the facet (name, folder, mailing list, etc.)
+
+# LOCALIZATION NOTE (*.cantMatchLabel): The label to use for the popup menu
+#  to indicate that the results should be restricted to messages which match
+#  a particular value. If not provided, we will fall back to
+#  "glodaFacetView.facets.cantMatch.fallbackLabel".  #1, if present, is
+#  replaced by the value of the facet (name, folder, mailing list, etc.)
+
+# LOCALIZATION NOTE (*.mayMatchLabel): The label to use for the popup menu
+#  to indicate that the results should no longer be restricted relative to
+#  this particular facet value. If not provided, we will fall back to
+#  "glodaFacetView.facets.mayMatch.fallbackLabel".  #1, if present, is
+#  replaced by the value of the facet (name, folder, mailing list, etc.)
+
+# LOCALIZATION NOTE (*.mustMatchSomeLabel): The label to use for the popup menu
+#  to indicate that the results should be restricted to messages which have
+#  _some_ value (e.g. at least one tag is set). If not provided, we will fall
+#  back to "glodaFacetView.facets.mustMatchSome.fallbackLabel".  #1, if present,
+#  is replaced by the value of the facet (name, folder, mailing list, etc.)
+
+# LOCALIZATION NOTE (*.mustMatchNoneLabel): The label to use for the popup menu
+#  to indicate that the results should be restricted to messages which have _no_
+#  value (e.g. no tags are set). If not provided, we will fall back to
+#  "glodaFacetView.facets.mustMatchNoneLabel.fallbackLabel".  #1, if present, is
+#  replaced by the value of the facet (name, folder, mailing list, etc.)
+
+# LOCALIZATION NOTE (*.mayMatchAnyLabel): The label to use for the popup menu
+#  to indicate that the results should not be restricted to messages which have
+#  any or no value (e.g. no requirements on any tags are set). If not provided,
+#  we will fall back to "glodaFacetView.facets.mayMatchAnyLabel.fallbackLabel".
+#  #1, if present, is replaced by the value of the facet (name, folder, mailing
+#  list, etc.)
+
+# LOCALIZATION NOTE (gloda.message.attr.account.*): Stores the account in which
+#  a message's folder is located.
+gloda.message.attr.account.facetNameLabel=帳號
+gloda.message.attr.account.includeLabel=儲存在下列任何位置:
+gloda.message.attr.account.excludeLabel=未儲存於:
+gloda.message.attr.account.remainderLabel=其他帳號:
+gloda.message.attr.account.mustMatchLabel=必須在 #1
+gloda.message.attr.account.cantMatchLabel=不能在 #1
+
+# LOCALIZATION NOTE (gloda.message.attr.folder.*): Stores the message folder in
+#  which the message is stored.
+gloda.message.attr.folder.facetNameLabel=資料夾
+gloda.message.attr.folder.includeLabel=儲存在下列任何位置:
+gloda.message.attr.folder.excludeLabel=未儲存於:
+gloda.message.attr.folder.remainderLabel=其他資料夾:
+gloda.message.attr.folder.mustMatchLabel=必須在 #1
+gloda.message.attr.folder.cantMatchLabel=不能在 #1
+
+# LOCALIZATION NOTE (gloda.message.attr.fromMe.*): Stores everyone involved
+#  with the message.  This means from/to/cc/bcc.
+gloda.message.attr.fromMe.facetNameLabel=由我發出
+
+# LOCALIZATION NOTE (gloda.message.attr.toMe.*): Stores everyone involved
+#  with the message.  This means from/to/cc/bcc.
+gloda.message.attr.toMe.facetNameLabel=寄給我的
+
+# LOCALIZATION NOTE (gloda.message.attr.involves.*): Stores everyone involved
+#  with the message.  This means from/to/cc/bcc.
+gloda.message.attr.involves.facetNameLabel=人員
+gloda.message.attr.involves.includeLabel=包含以下任一人:
+gloda.message.attr.involves.excludeLabel=不包含:
+gloda.message.attr.involves.remainderLabel=其他參與者:
+gloda.message.attr.involves.mustMatchLabel=必須包含 #1
+gloda.message.attr.involves.cantMatchLabel=不能包含 #1
+
+# LOCALIZATION NOTE (gloda.message.attr.date.*): Stores the date of the message.
+#  Thunderbird normally stores the date the message claims it was composed
+#  according to the "Date" header.  This is not the same as when the message
+#  was sent or when it was eventually received by the user.  In the future we
+#  may change this to be one of the other dates, but not anytime soon.
+gloda.message.attr.date.facetNameLabel=日期
+
+# LOCALIZATION NOTE (gloda.message.attr.attachmentTypes.*): Stores the list of
+#  MIME types (ex: image/png, text/plain) of real attachments (not just part of
+#  the message content but explicitly named attachments) on the message.
+#  Although we hope to be able to provide localized human-readable explanations
+#  of the MIME type (ex: "PowerPoint document"), I don't know if that is going
+#  to happen.
+gloda.message.attr.attachmentTypes.facetNameLabel=附件
+
+# LOCALIZATION NOTE (gloda.message.attr.mailing-list.*): Stores the mailing
+#  lists detected in the message.  This will normally be the e-mail address of
+#  the mailing list and only be detected in messages received from the mailing
+#  list.  Extensions may contribute additional detected mailing-list-like
+#  things.
+gloda.message.attr.mailing-list.facetNameLabel=郵件群組
+gloda.message.attr.mailing-list.noneLabel=無
+gloda.message.attr.mailing-list.includeLabel=透過下列任一群組收到:
+gloda.message.attr.mailing-list.excludeLabel=並非透過下列任一群組收到:
+gloda.message.attr.mailing-list.remainderLabel=其他郵件群組:
+gloda.message.attr.mailing-list.mustMatchLabel=必須在 #1
+gloda.message.attr.mailing-list.cantMatchLabel=不能在 #1
+gloda.message.attr.mailing-list.mustMatchSomeLabel=必須在某郵件群組
+gloda.message.attr.mailing-list.mustMatchNoneLabel=不在某郵件群組裡
+
+# LOCALIZATION NOTE (gloda.message.attr.tag.*): Stores the tags applied to the
+#  message.  Notably, gmail's labels are not currently exposed via IMAP and we
+#  do not do anything clever with gmail, so this is independent of gmail labels
+#  This may change in the future, but it's a safe bet it's not happening on
+#  Thunderbird's side prior to 3.0.
+gloda.message.attr.tag.facetNameLabel=標籤
+gloda.message.attr.tag.noneLabel=無
+gloda.message.attr.tag.includeLabel=包含下列任一標籤:
+gloda.message.attr.tag.excludeLabel=未加上標籤:
+gloda.message.attr.tag.remainderLabel=其他標籤:
+gloda.message.attr.tag.mustMatchLabel=必須包含「#1」標籤
+gloda.message.attr.tag.cantMatchLabel=不能包含「#1」標籤
+gloda.message.attr.tag.mustMatchSomeLabel=必須含有標籤
+gloda.message.attr.tag.mustMatchNoneLabel=不能含有標籤
+
+# LOCALIZATION NOTE (gloda.message.attr.star.*): Stores whether the message is
+#  starred or not, as indicated by a pretty star icon.  In the past, the icon
+#  used to be a flag.  The IMAP terminology continues to be "flagged".
+gloda.message.attr.star.facetNameLabel=已標星號
+
+# LOCALIZATION NOTE (gloda.message.attr.read.*): Stores whether the user has
+#  read the message or not.
+gloda.message.attr.read.facetNameLabel=已讀取
+
+# LOCALIZATION NOTE (gloda.message.attr.repliedTo.*): Stores whether we believe
+#  the user has ever replied to the message.  We normally show a little icon in
+#  the thread pane when this is the case.
+gloda.message.attr.repliedTo.facetNameLabel=已回覆
+
+# LOCALIZATION NOTE (gloda.message.attr.forwarded.*): Stores whether we believe
+#  the user has ever forwarded the message.  We normally show a little icon in
+#  the thread pane when this is the case.
+gloda.message.attr.forwarded.facetNameLabel=已轉寄
+
+# LOCALIZATION NOTE (gloda.mimetype.category.*.label): Map categories of MIME
+#  types defined in MimeTypeCategories.jsm to labels.
+# LOCALIZATION NOTE (gloda.mimetype.category.archives.label): Archive is
+#  referring to things like zip files, tar files, tar.gz files, etc.
+gloda.mimetype.category.archives.label=壓縮檔
+gloda.mimetype.category.documents.label=文件
+gloda.mimetype.category.images.label=圖片
+# LOCALIZATION NOTE (gloda.mimetype.category.media.label): Media is meant to
+#  encompass both audio and video.  This is because video and audio streams are
+#  frequently stored in the same type of container and we cannot rely on the
+#  sending e-mail client to have been clever enough to figure out what was
+#  really in the file.  So we group them together.
+gloda.mimetype.category.media.label=媒體（音樂、影片）
+gloda.mimetype.category.pdf.label=PDF 檔
+# LOCALIZATION NOTE (gloda.mimetype.category.other.label): Other is the category
+#  for MIME types that we don't really know what it is.
+gloda.mimetype.category.other.label=其他
diff --git a/l10n-zh-TW/mail/chrome/messenger/glodaComplete.properties b/l10n-zh-TW/mail/chrome/messenger/glodaComplete.properties
new file mode 100644
index 0000000000..97ced2e2f9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/glodaComplete.properties
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (glodaComplete.messagesTagged.label): The label used
+#  in the autocomplete widget to refer to a query for all messages tagged
+#  by a particular tag (replacing #1).
+glodaComplete.messagesTagged.label=包含「#1」標籤的郵件
+
+# LOCALIZATION NOTE (glodaComplete.messagesMentioning.label): The label used
+#  in the autocomplete widget to refer to a search for all messages mentioning
+#  a particular word (replacing #1).
+glodaComplete.messagesMentioning.label=提及「#1」的郵件
+
+# LOCALIZATION NOTE (glodaComplete.messagesWithMany.label): The label used
+#  in the autocomplete widget to refer to a search for all messages mentioning
+#  a set of words, or a phrase containing multiple words (e.g. "red pepper")
+#  We use the same words in en-US, but maybe that's not always true.
+glodaComplete.messagesMentioningMany.label=提及「#1」的郵件
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/glodaFacetView.dtd b/l10n-zh-TW/mail/chrome/messenger/glodaFacetView.dtd
new file mode 100644
index 0000000000..7514804e3a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/glodaFacetView.dtd
@@ -0,0 +1,29 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE (glodaFacetView.filters.label): Label at the top of the
+     faceting sidebar.  Serves as a header both for the checkboxes under it as
+     well for labeled facets with multiple options. -->
+<!ENTITY glodaFacetView.filters.label "篩選器">
+
+<!-- LOCALIZATION NOTE (glodaFacetView.loading.label): Label that appears when
+     the search results take a long time to appear. -->
+<!ENTITY glodaFacetView.loading.label "搜尋中&#8230;">
+
+<!-- LOCALIZATION NOTE (glodaFacetView.empty.label): Label that appears when
+     there are no results that match the search query. -->
+<!ENTITY glodaFacetView.empty.label "沒有任何符合您搜尋條件的郵件">
+
+<!-- LOCALIZATION NOTE (glodaFacetView.pageMore.label): Label at the bottom
+     of the results list to show more hits. -->
+<!ENTITY glodaFacetView.pageMore.label "更多 &#187;">
+
+<!-- LOCALIZATION NOTE(glodaFacetView.results.message.openEmailAsList.label2): The
+     label for the button/link that causes us to display all of the emails in
+     the active set in a new thread pane display tab. -->
+<!ENTITY glodaFacetView.openEmailAsList.label "用清單顯示結果">
+
+<!-- LOCALIZATION NOTE(glodaFacetView.results.message.openEmailAsList.tooltip):
+     The tooltip to display when hovering over the openEmailAsList label. -->
+<!ENTITY glodaFacetView.openEmailAsList.tooltip "在新分頁用清單顯示所有符合的電子郵件訊息">
diff --git a/l10n-zh-TW/mail/chrome/messenger/glodaFacetView.properties b/l10n-zh-TW/mail/chrome/messenger/glodaFacetView.properties
new file mode 100644
index 0000000000..9a272f4bfa
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/glodaFacetView.properties
@@ -0,0 +1,171 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (glodaFacetView.tab.query.label):
+#  The tab title to display for tabs that are based on a gloda (global database)
+#  query or collection rather than a user search.  At some point we might try
+#  and explain what the query/collection is in automatic fashion, but not today.
+glodaFacetView.tab.query.label=搜尋
+
+# LOCALIZATION NOTE (glodaFacetView.tab.search.label):
+#  The tab title to display for tabs with a new gloda (global database)
+#  user search (rather than a query or collection) without a search string.
+#  After the search has been started, we just display the search string entered
+#  by the user.
+glodaFacetView.tab.search.label=搜尋
+
+# LOCALIZATION NOTE(glodaFacetView.search.label2):
+#  The heading for the search page.
+#  A short description of user's search query will be appended.
+glodaFacetView.search.label2=比對結果:
+
+# LOCALIZATION NOTE(glodaFacetView.constraints.query.fulltext.label):
+#  The label to display to describe when our base query was a fulltext search
+#  across messages.  The value is displayed following the label.
+glodaFacetView.constraints.query.fulltext.label=搜尋 #1
+glodaFacetView.constraints.query.fulltext.andJoinWord=與
+glodaFacetView.constraints.query.fulltext.orJoinWord=或
+
+# LOCALIZATION NOTE(glodaFacetView.constraints.query.initial):
+#  The label to display to describe when our base query is not a full-text
+#  search.  Additional labels are appended describing each constraint.
+glodaFacetView.constraints.query.initial=搜尋
+
+# LOCALIZATION NOTE(glodaFacetView.constraints.query.involves.label):
+#  The label to display to describe when our base query was on messages
+#  involving a given contact from the address book.  The value is displayed
+#  where the #1 is.
+glodaFacetView.constraints.query.involves.label=包含 #1 的郵件
+
+# LOCALIZATION NOTE(glodaFacetView.constraints.query.contact.label):
+#  The label to display to describe when our base query was on messages
+#  tagged with a specific tag.  The tag is displayed following the label.
+glodaFacetView.constraints.query.tagged.label=含有以下標籤的郵件：
+
+
+# LOCALIZATION NOTE (glodaFacetView.facets.mode.top.listAllLabel): The label to
+#  use when we are only displaying the top entries for a facet.  When the
+#  label is clicked on, it results in us displaying all of the values for that
+#  facet.  The value "#1" (if present) is replaced with the total number of
+#  values that will be displayed (rather than the number currently hidden).
+# This string supports pluralization.  See
+#  https://developer.mozilla.org/en/Localization_and_Plurals for details on
+#  how this stuff works.
+glodaFacetView.facets.mode.top.listAllLabel=顯示全部 #1 項
+
+# LOCALIZATION NOTE (glodaFacetView.facets.included.fallbackLabel): The label to
+#  use for groups in a facet that have been explicitly included by the user if
+#  there is no explicit attribute "includeLabel" defined.  (The explicit label
+#  would be named "gloda.message.attr.ATTRIBUTE.includeLabel".)
+glodaFacetView.facets.included.fallbackLabel=包含任何：
+# LOCALIZATION NOTE (glodaFacetView.facets.excluded.fallbackLabel): The label to
+#  use for groups in a facet that have been explicitly excluded by the user if
+#  there is no explicit attribute "excludeLabel" defined.  (The explicit label
+#  would be named "gloda.message.attr.ATTRIBUTE.excludeLabel".)
+glodaFacetView.facets.excluded.fallbackLabel=排除：
+# LOCALIZATION NOTE (glodaFacetView.facets.remainder.fallbackLabel): The label
+#  to use for groups in a facet that are neither part of the included group or
+#  the excluded group if there is no explicit attribute "remainderLabel"
+#  defined.  (The explicit label would be named
+#  "gloda.message.attr.ATTRIBUTE.remainderLabel".)
+glodaFacetView.facets.remainder.fallbackLabel=其他：
+
+# LOCALIZATION NOTE (glodaFacetView.facets.mustMatchLabel.fallbackLabel): The label
+#  to use to restrict a facet by a particular value if there is no explicit
+#  attribute "mustMatchLabel" defined.  (The explicit label would be named
+#  "gloda.message.attr.ATTRIBUTE.mustMatchLabel".)
+glodaFacetView.facets.mustMatchLabel.fallbackLabel=必須符合 #1
+glodaFacetView.facets.mustMatchNoneLabel.fallbackLabel=不能有值
+
+# LOCALIZATION NOTE (glodaFacetView.facets.cantMatchLabel.fallbackLabel): The label
+#  to use to restrict a facet by the absence of a particular value if there is
+#  no explicit attribute "cantMatchLabel" defined.  (The explicit label would be
+#  named "gloda.message.attr.ATTRIBUTE.cantMatchLabel".)
+glodaFacetView.facets.cantMatchLabel.fallbackLabel=不能符合 #1
+glodaFacetView.facets.mustMatchSomeLabel.fallbackLabel=必須要有值
+
+# LOCALIZATION NOTE (glodaFacetView.facets.mayMatchLabel.fallbackLabel): The label
+#  to use to undo the restriction of a facet by a particular value if there is
+#  no explicit attribute "mayMatchLabel" defined.  (The explicit label would be
+#  named "gloda.message.attr.ATTRIBUTE.mayMatchLabel".)
+glodaFacetView.facets.mayMatchLabel.fallbackLabel=移除限制
+glodaFacetView.facets.mayMatchAnyLabel.fallbackLabel=移除限制
+
+# LOCALIZATION NOTE (glodaFacetView.facets.noneLabel): The text to display when
+#  a facet needs to indicate that an attribute omitted a value or was otherwise
+#  empty.
+glodaFacetView.facets.noneLabel=無
+
+# LOCALIZATION NOTE (glodaFacetView.facets.filter.attachmentTypes.allLabel):
+#  The label to use when all types of attachments are being displayed.
+glodaFacetView.facets.filter.attachmentTypes.allLabel=任何類型
+
+# LOCALIZATION NOTE (glodaFacetView.result.message.fromLabel): Used in the
+#  faceted search message display to indicate the author of a message.
+# An example usage is  "from: Bob".
+glodaFacetView.result.message.fromLabel=從:
+
+# LOCALIZATION NOTE (glodaFacetView.result.message.toLabel): Used in the
+#  faceted search message display to indicate the recipients of a message.
+# An example usage is  "to: Bob, Chuck, Don".
+glodaFacetView.result.message.toLabel=收件者：
+
+# LOCALIZATION NOTE (glodaFacetView.result.message.noSubject): Used in the
+#  faceted search message display to act as a click target for messages with
+#  no subject.
+glodaFacetView.result.message.noSubject=(無主旨)
+
+# LOCALIZATION NOTE(glodaFacetView.results.header.countLabel):
+# This label is displayed above the list of result messages; it tells the user
+#  how many messages we are displaying in the list out of the total number of
+#  messages in the active set (the set of messages remaining after the
+#  application of the facet constraints.)
+# The goal of the various sub-parts here is to make a label along the lines of
+#  "M of N".  Because there are two numbers, this is split into two parts,
+#  'NMessages' for what in English is just the first number and 'ofN' for the
+#  "of N" part.  We then use 'grouping' to decide how to combine the two. This
+#  was suggested by Rimas Kudelis.
+# LOCALIZATION NOTE(glodaFacetView.results.header.countLabel.NMessages):
+#  The first part of the countLabel string (although you can change the order
+#  in 'grouping').  This is pluralized using the mechanism described at
+#  https://developer.mozilla.org/en/Localization_and_Plurals.  We replace
+#  "#1" with the number of messages being shown in the result list.
+glodaFacetView.results.header.countLabel.NMessages=#1 封
+# LOCALIZATION NOTE(glodaFacetView.results.header.countLabel.ofN):
+#  The second part of the countLabel string (although you can change the order
+#  in 'grouping').  This is pluralized using the mechanism described at
+#  https://developer.mozilla.org/en/Localization_and_Plurals.  We replace
+#  "#1" with the total number of messagse in the active set.
+glodaFacetView.results.header.countLabel.ofN=#1 封訊息當中的
+# LOCALIZATION NOTE(glodaFacetView.results.header.countLabel.grouping):
+#  Combines the pluralized
+#  "glodaFacetView.results.header.countLabel.NMessages" string (as #1) with
+#  the pluralized "glodaFacetView.results.header.countLabel.ofN" (as #2)
+#  to make a single label.
+glodaFacetView.results.header.countLabel.grouping=#2 #1
+
+glodaFacetView.results.message.timeline.label=切換時間軸
+# LOCALIZATION NOTE(glodaFacetView.results.message.sort.relevance2):
+# a clickable label causing the sort to be done by most relevant messages first.
+glodaFacetView.results.message.sort.relevance2=依照相關程度排序
+# LOCALIZATION NOTE(glodaFacetView.results.message.sort.date2):
+# a clickable label causing the sort to be done by most recent messages first.
+glodaFacetView.results.message.sort.date2=依照日期排序
+
+# LOCALIZATION NOTE(glodaFacetView.results.message.recipientSeparator): This is
+# the string in between the names of recipients (see
+# glodaFacetView.results.message.andOthers for more information).  The \u0020
+# character is a Unicode space character, which is needed as otherwise the
+# trailing whitespace is trimmed before it gets to the code.
+glodaFacetView.results.message.recipientSeparator=、
+
+# LOCALIZATION NOTE(glodaFacetView.results.message.andOthers):
+# When a message has too many recipients, we only show the first few and then
+# display this label to express how many are not displayed.  So if a message
+# has 5 recipients, we might only show the first 3, and then use this label
+# to indicate that there are 2 that are not displayed.  This string can be
+# pluralized; see https://developer.mozilla.org/en/Localization_and_Plurals
+# for details on how to do that. Note that in English, we use the "serial
+# comma", but other languages may not need a leading separator there.
+glodaFacetView.results.message.andOthers=、和其他 #1 位
diff --git a/l10n-zh-TW/mail/chrome/messenger/imAccountWizard.dtd b/l10n-zh-TW/mail/chrome/messenger/imAccountWizard.dtd
new file mode 100644
index 0000000000..210fb26a9a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/imAccountWizard.dtd
@@ -0,0 +1,33 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY windowTitle.label            "聊天帳號精靈">
+
+<!ENTITY accountProtocolTitle.label   "聊天網路">
+<!ENTITY accountProtocolInfo.label    "請選擇您的聊天帳號的網路類型">
+<!ENTITY accountProtocolField.label   "網路:">
+<!ENTITY accountProtocolGetMore.label "取得更多…">
+
+<!ENTITY accountUsernameTitle.label   "使用者名稱">
+<!ENTITY accountUsernameDuplicate.label "這個帳號已經設定過了！">
+
+<!ENTITY accountPasswordTitle.label   "密碼">
+<!ENTITY accountPasswordInfo.label    "請在下面的對話框當中輸入密碼。">
+<!ENTITY accountPasswordField.label   "密碼:">
+<!ENTITY accountPasswordManager.label "您在此輸入的密碼將會被儲存在密碼管理員。若您想在每次連線時再輸入密碼請將此欄留空。">
+
+<!ENTITY accountAdvancedTitle.label   "進階選項">
+<!ENTITY accountAdvancedInfo.label    "如果您不想設定的話也可以跳過這一步。">
+<!ENTITY accountAdvanced.newMailNotification.label   "有新郵件時通知我">
+<!ENTITY accountAliasGroupbox.caption "本地別名">
+<!ENTITY accountAliasField.label      "別名:">
+<!ENTITY accountAliasInfo.label       "這將只會在您的對話視窗中出現，對方將看不到這個別名。">
+<!ENTITY accountProxySettings.caption "Proxy 設定值">
+<!ENTITY accountProxySettings.change.label     "修改…">
+<!ENTITY accountProxySettings.change.accessKey "C">
+
+<!ENTITY accountSummaryTitle.label   "摘要">
+<!ENTITY accountSummaryInfo.label    "下面是您輸入的資訊概要。請在建立帳號前確認這些資訊無誤。">
+<!ENTITY accountSummary.connectNow.label "立即連線至此帳號。">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/imAccounts.properties b/l10n-zh-TW/mail/chrome/messenger/imAccounts.properties
new file mode 100644
index 0000000000..ef91c1fabc
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/imAccounts.properties
@@ -0,0 +1,64 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (protoOptions):
+# %S is replaced by the name of a protocol
+protoOptions=%S 選項
+accountUsername=使用者名稱:
+# LOCALIZATION NOTE (accountColon):
+# This string is used to append a colon after the label of each
+# option. It's localizable so that the typography can be adapted.
+accountColon=%S:
+# LOCALIZATION NOTE (accountUsernameInfo):
+# %S is replaced by the name of a protocol
+accountUsernameInfo=請輸入您 %S 帳號的使用者名稱。
+# LOCALIZATION NOTE (accountUsernameInfoWithDescription):
+# %1$S is a hint for the expected format of the username
+# %2$S is the name of a protocol
+accountUsernameInfoWithDescription=請輸入您 %2$S 帳號的使用者名稱（%1$S）。
+
+# LOCALIZATION NOTE (account.connection.error):
+# %S is the error message.
+account.connection.error=錯誤: %S
+# LOCALIZATION NOTE (account.connection.errorUnknownPrpl)
+# %S is the id (not very user friendly; hence the quotes) of the missing plugin.
+account.connection.errorUnknownPrpl=無「%S」通訊協定的外掛程式。
+account.connection.errorEnteringPasswordRequired=您必須輸入密碼才能連線到此帳號。
+account.connection.errorCrashedAccount=連線到此帳號時發生錯誤。
+# LOCALIZATION NOTE (account.connection.progress):
+# %S is a message indicating progress of the connection process
+account.connection.progress=連線中: %S…
+account.connecting=連線中…
+account.connectedForSeconds=已連線了幾秒鐘。
+# LOCALIZATION NOTE (account.connectedFor{Double,Single},
+#                    account.reconnectIn{Double,Single}):
+# Each pair of %S is a number followed by a unit. The units are
+# already localized in a downloads.properties file of the toolkit.
+account.connectedForDouble=已連線了 %1$S %2$S %3$S %4$S。
+account.connectedForSingle=已連線了大約 %1$S %2$S。
+account.reconnectInDouble=將在 %1$S %2$S 與 %3$S %4$S 後重新連線。
+account.reconnectInSingle=將在 %1$S %2$S 後重新連線。
+
+requestAuthorizeTitle=授權要求
+# LOCALIZATION NOTE (requestAuthorizeAllow, requestAuthorizeDeny):
+# the & symbol indicates the position of the character that should be
+# used as the accesskey for this button.
+requestAuthorizeAllow=允許 (&A)
+requestAuthorizeDeny=拒絕 (&D)
+# LOCALIZATION NOTE (requestAuthorizeText):
+# %S is a contact username.
+requestAuthorizeText=%S 已將您新增到他/她的好友清單，您想允許他/她在好友清單看到您嗎？
+
+accountsManager.notification.button.accessKey=C
+accountsManager.notification.button.label=立刻連線
+accountsManager.notification.userDisabled.label=您已經停用自動連線。
+accountsManager.notification.safeMode.label=應用程式目前正以安全模式執行中，已忽略自動連線設定。
+accountsManager.notification.startOffline.label=應用程式目前正以離線模式執行中，已忽略自動連線設定。
+accountsManager.notification.crash.label=上一次連線時程式發生未預期的錯誤。已停用自動連線讓您能修改設定。
+# LOCALIZATION NOTE (accountsManager.notification.singleCrash.label): Semi-colon list of plural forms.
+#  See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
+#  #1 is the number of accounts that are suspected to have caused a crash.
+accountsManager.notification.singleCrash.label=程式之前在連線到某 #1 個剛新增或編輯好的帳號時未預期的結束。已先暫時停用連線讓您能修改該帳號的設定。
+accountsManager.notification.other.label=已停用自動連線。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/imapMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/imapMsgs.properties
new file mode 100644
index 0000000000..0f4737312d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/imapMsgs.properties
@@ -0,0 +1,266 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the imap code to display progress/status/error messages
+#
+
+#LOCALIZATION NOTE(imapAlertDialogTile): Do not translate the word "%S"
+# below. Place the word %S where the account name should appear.
+imapAlertDialogTitle=%S 帳號的警示
+
+# Status - opening folder
+imapStatusSelectingMailbox=正在開啟目錄 %S…
+
+# Status - create folder
+imapStatusCreatingMailbox=正在建立目錄…
+
+# Status - deleting a folder
+# LOCALIZATION NOTE (imapStatusDeletingMailbox): The "%S" below should not be translated.
+# Instead, insert "%S" in your translation where you wish to display the name
+# of the folder being deleted.
+imapStatusDeletingMailbox=正在刪除目錄 %S…
+
+# Status - renaming mailbox
+# LOCALIZATION NOTE (imapStatusRenamingMailbox): The "%S" below should not be translated.
+# Instead, insert "%S" in your translation where you wish to display the name
+# of the folder being renamed.
+imapStatusRenamingMailbox=正在重新命名 %S 目錄…
+
+# Status - looking for mailboxes
+imapStatusLookingForMailbox=正在尋找目錄…
+
+# Status - subscribing to mailbox
+# LOCALIZATION NOTE (imapStatusSubscribeToMailbox): The "%S" below should not be translated.
+# Instead, insert "%S" in your translation where you wish to display the name
+# of the folder being subscribed to.
+imapStatusSubscribeToMailbox=正在訂閱目錄 %S…
+
+# Status - unsubscribing from mailbox
+# LOCALIZATION NOTE (imapStatusUnsubscribeMailbox): The "%S" below should not be translated.
+# Instead, insert "%S" in your translation where you wish to display the name
+# of the folder being unsubscribed from.
+imapStatusUnsubscribeMailbox=正在取消訂閱目錄 %S…
+
+# Status - searching imap folder
+imapStatusSearchMailbox=正在搜尋目錄…
+
+# Status - closing a folder
+imapStatusCloseMailbox=正在關閉目錄…
+
+# Status - compacting a folder
+imapStatusExpungingMailbox=正在壓實重整郵件匣…
+
+# Status - logging out
+imapStatusLoggingOut=正在登出…
+
+# Status - checking server capabilities
+imapStatusCheckCompat=正在檢查郵件伺服器功能…
+
+# Status - logging on
+imapStatusSendingLogin=正在傳送登入資訊…
+
+# Status - auth logon
+imapStatusSendingAuthLogin=正在傳送登入資訊…
+
+imapDownloadingMessage=正在下載訊息…
+
+# LOCALIZATION NOTE (imapGettingACLForFolder): Do not translate the word "ACL" below.
+imapGettingACLForFolder=正在取得目錄 ACL…
+
+imapGettingServerInfo=正在取得伺服器設定資訊…
+
+imapGettingMailboxInfo=正在取得郵件匣設定資訊…
+
+imapEmptyMimePart=內文部份會在需要時下載。
+
+# LOCALIZATION NOTE (imapReceivingMessageHeaders3): Do not translate the words "%1$S", "%2$S", and "%3$S" below.
+# Place the word %1$S in your translation where the number of the header being downloaded should appear.
+# Place the word %2$S in your translation where the total number of headers to be downloaded should appear.
+# Place the word %3$S in your translation where the name of the folder being processed should appear.
+# Note: The account name and separators (e.g. colon, space) are automatically added to the status message.
+# Example: "Joe's Account: Downloading message header 100 of 1000 in Drafts…"
+imapReceivingMessageHeaders3=正在下載第 %1$S 封訊息檔頭至 %3$S，共 %2$S 封…
+
+# LOCALIZATION NOTE (imapReceivingMessageFlags3): Do not translate the words "%1$S", "%2$S", and "%3$S" below.
+# Place the word %1$S in your translation where the number of the flag being downloaded should appear.
+# Place the word %2$S in your translation where the total number of flags to be downloaded should appear.
+# Place the word %3$S in your translation where the name of the folder being processed should appear.
+# Note: The account name and separators (e.g. colon, space) are automatically added to the status message.
+# Example: "Jim's Account: Downloading message flag 100 of 1000 in INBOX…"
+imapReceivingMessageFlags3=正在下載第 %1$S 封訊息標示至 %3$S，共 %2$S 封…
+
+imapDeletingMessages=正在刪除訊息…
+
+imapDeletingMessage=正在刪除訊息…
+
+# LOCALIZATION NOTE (imapMovingMessages): Do not translate the word "%S" below.
+# Place the word %S in your translation where the name of the folder should appear.
+imapMovingMessages=正在移動訊息至 %S…
+
+# LOCALIZATION NOTE (imapMovingMessage): Do not translate the word "%S" below.
+# Place the word %S in your translation where the name of the folder should appear.
+imapMovingMessage=正在移動訊息至 %S…
+
+# LOCALIZATION NOTE (imapCopyingMessages): Do not translate the word "%S" below.
+# Place the word %S in your translation where the name of the folder should appear.
+imapCopyingMessages=正在複製訊息至 %S…
+
+# LOCALIZATION NOTE (imapCopyingMessage): Do not translate the word "%S" below.
+# Place the word %S in your translation where the name of the folder should appear.
+imapCopyingMessage=正在複製訊息至 %S…
+
+# LOCALIZATION NOTE (imapFolderReceivingMessageOf3): Do not translate the words "%1$S", "%2$S", and "%3$S" below.
+# Place the word %1$S in your translation where the number of the message being downloaded should appear.
+# Place the word %2$S in your translation where the total number of messages to be downloaded should appear.
+# Place the word %3$S in your translation where the name of the folder being processed should appear.
+# Note: The account name and separators (e.g. colon, space) are automatically added to the status message.
+# Example: "Juan's Account: Downloading message 100 of 1000 in Sent…"
+imapFolderReceivingMessageOf3=正在下載第 %1$S 封訊息至 %3$S，共 %2$S 封…
+
+# LOCALIZATION NOTE (imapDiscoveringMailbox): Do not translate the word "%S" below.
+# Place the word %S in your translation where the name of the folder should appear.
+imapDiscoveringMailbox=找到資料夾: %S
+
+# LOCALIZATION NOTE (imapEnterServerPasswordPrompt): Do not translate the words %1$S and %2$S below.
+# Place the word %1$S in your translation where the username should appear.
+# Place the word %2$S in your translation where the servername should appear.
+imapEnterServerPasswordPrompt=輸入 %1$S 在 %2$S 上的密碼:
+
+# LOCALIZATION NOTE (imapServerNotImap4): Do not translate the word "IMAP4" below.
+imapServerNotImap4=伺服器 %S 不是 IMAP4 伺服器。
+
+# This is intentionally left blank.
+imapDone=
+
+# LOCALIZATION NOTE (imapEnterPasswordPromptTitleWithUsername): Do not translate the
+# word %1$S. Place the word %1$S where the user name should appear.
+imapEnterPasswordPromptTitleWithUsername=請輸入 %1$S 的密碼
+
+imapUnknownHostError=無法連線到伺服器 %S。
+imapOAuth2Error=連線至伺服器 %S 時驗證失敗。
+
+imapConnectionRefusedError=無法與伺服器 %S 連線，連線被拒絕。
+
+imapNetTimeoutError=與伺服器 %S 的連線逾時。
+
+imapTlsError=發生了不可忽略的 TLS 錯誤。可能是交握錯誤、TLS 版本或 %S 伺服器使用的憑證不相容。
+
+# Status - no messages to download
+imapNoNewMessages=目前沒有新郵件。
+
+imapDefaultAccountName=%S 的郵件
+
+imapSpecialChar2=此 IMAP 伺服器保留了「%S」字元，請更改名稱。
+
+imapPersonalSharedFolderTypeName=個人資料夾
+
+imapPublicFolderTypeName=公開資料夾
+
+imapOtherUsersFolderTypeName=其它使用者的資料夾
+
+imapPersonalFolderTypeDescription=這是未分享的個人資料夾。
+
+imapPersonalSharedFolderTypeDescription=這是已分享的個人資料夾。
+
+imapPublicFolderTypeDescription=這是一個公開資料夾。
+
+imapOtherUsersFolderTypeDescription=此目錄由使用者「%S」分享。
+
+imapAclFullRights=完全控制
+
+imapAclLookupRight=找尋
+
+imapAclReadRight=讀取
+
+imapAclSeenRight=設定已讀／未讀狀態
+
+imapAclWriteRight=寫入
+
+imapAclInsertRight=插入 (複製到)
+
+imapAclPostRight=發表
+
+imapAclCreateRight=建立子資料夾
+
+imapAclDeleteRight=刪除郵件
+
+imapAclAdministerRight=管理資料夾
+
+imapServerDoesntSupportAcl=此伺服器不支援共享資料夾。
+
+imapAclExpungeRight=清除
+
+imapServerDisconnected= 伺服器 %S 已斷線，可能是伺服器關機或網路有問題。
+
+# LOCALIZATION NOTE (autoSubscribeText): %1$S is the imap folder.
+imapSubscribePrompt=您想訂閱 %1$S 嗎？
+
+imapServerDroppedConnection=無法連線到您的 IMAP 伺服器，可能是超過此伺服器的最大連線數。如果是這樣，請從「進階 IMAP 伺服器設定」視窗減少使用連線數目。
+
+# This will occur when a folder that has never been imap selected or opened
+# (left-clicked) is first right-clicked to access quota properties.
+imapQuotaStatusFolderNotOpen=未開啟信件匣，尚無容量配額資訊。
+
+# The imap capability response reports that QUOTA is not supported.
+imapQuotaStatusNotSupported=此伺服器不支援配額管理功能。
+
+# The getqutaroot command succeeded but reported no quota information.
+imapQuotaStatusNoQuota2=此信件匣並未回報配額資訊。
+
+# Folder properties were requested by the user (right-click) before the getquotaroot
+# command was sent.
+imapQuotaStatusInProgress=尚無配額資訊。
+
+# Out of memory
+imapOutOfMemory=記憶體不足。
+
+# LOCALIZATION NOTE (imapCopyingMessageOf2): Do not translate the word "%S" below.
+# Place the word %3$S in your translation where the name of the destination folder should appear.
+# Place the word %1$S where the currently copying message should appear.
+# Place the word %2$S where the total number of messages should appear.
+imapCopyingMessageOf2=正在將訊息第 %1$S 封訊息複製到 %3$S，共 %2$S 封…
+
+# LOCALIZATION NOTE (imapMoveFolderToTrash): Do not translate the word %S below.
+# "%S" is the the name of the folder.
+imapMoveFolderToTrash=您確定要刪除資料夾「%S」嗎？
+
+# LOCALIZATION NOTE (imapDeleteNoTrash): Do not translate the word %S below.
+# "%S" is the the name of the folder.
+imapDeleteNoTrash=刪除資料夾這個動作無法復原，且會移除所有在裡面的郵件與子資料夾。確定要刪除資料夾「%S」？
+
+imapDeleteFolderDialogTitle=刪除資料夾
+
+imapDeleteFolderButtonLabel=刪除資料夾
+
+# LOCALIZATION NOTE (imapAuthChangeEncryptToPlainSSL): %S is the server hostname
+imapAuthChangeEncryptToPlainSSL=%S 這台 IMAP 伺服器可能不支援加密過的密碼。如果您剛設定好這個帳號，請試著到「帳號設定」當中的「伺服器設定」，把「認證方式」設定成「普通密碼」。如果您是突然沒有辦法使用的話，請洽詢您的電子郵件管理者或服務提供者。
+
+# LOCALIZATION NOTE (imapAuthChangePlainToEncrypt): %S is the server hostname
+imapAuthChangePlainToEncrypt=%S 這台 IMAP 伺服器不接受未加密的密碼。請試著把「帳號設定」當中「伺服器設定」的「認證方式」設定成「加密過的密碼」。
+
+# LOCALIZATION NOTE (imapAuthChangeEncryptToPlainNoSSL): %S is the server hostname
+imapAuthChangeEncryptToPlainNoSSL=%S 這台 IMAP 伺服器可能不支援加密過的密碼。如果您剛設定好這個帳號，請試著到「帳號設定」當中的「伺服器設定」，把「認證方式」設定成「不安全傳輸的密碼」。如果您突然遇到這個狀況，代表可能有人正要偷走您的密碼。
+
+# LOCALIZATION NOTE (imapAuthMechNotSupported): %S is the server hostname
+imapAuthMechNotSupported=%S 這台 IMAP 伺服器不支援您所選擇的認證方式。請到「帳號設定」當中的「伺服器設定」修改「認證方式」。
+
+# LOCALIZATION NOTE (imapAuthGssapiFailed): %S is the server hostname
+imapAuthGssapiFailed=Kerberos/GSSAPI 門標（Ticket）沒有被 %S 這台 IMAP 伺服器接受。請檢查您是否已經登入 Kerberos/GSSAPI 領域。
+
+# LOCALIZATION NOTE (imapServerCommandFailed):
+# Place the word %1$S in your translation where the name of the account name should appear.
+# Place the word %2$S in your translation where the server response should appear.
+imapServerCommandFailed=無法完成目前的命令。%1$S 帳號的郵件伺服器回覆: %2$S
+
+# LOCALIZATION NOTE (imapFolderCommandFailed): Do not translate the word %S below.
+# Place the word %1$S in your translation where the name of the account should appear.
+# Place the word %2$S in your translation where the name of the folder should appear.
+# Place the word %3$S in your translation where the server response should appear.
+imapFolderCommandFailed=在資料夾「%2$S」執行的操作無法完成。%1$S 這個帳號的郵件伺服器回應：%3$S
+
+# LOCALIZATION NOTE (imapServerAlert):
+# Place the word %1$S in your translation where the name of the account should appear.
+# Place the word %2$S in your translation where the alert from the server should appear.
+imapServerAlert=%1$S 帳號的伺服器發出警告: %2$S
diff --git a/l10n-zh-TW/mail/chrome/messenger/importDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/importDialog.dtd
new file mode 100644
index 0000000000..4cb5b6baa9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/importDialog.dtd
@@ -0,0 +1,48 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--
+LOCALIZATION NOTE : 'Communicator 4.x' is the used for previous versions of
+Netscape Communicator, Please translate using the brandname in respective
+languages for Netscape Communicator 4 releases.
+LOCALIZATION NOTE : Do not translate any of the occurrences of the word
+"&brandShortName;" below.
+-->
+
+<!ENTITY importDialog.windowTitle "匯入">
+<!ENTITY importAll.label          "匯入全部">
+<!ENTITY importAll.accesskey      "E">
+<!ENTITY importMail.label         "郵件">
+<!ENTITY importMail.accesskey     "M">
+<!ENTITY importFeeds.label        "消息來源訂閱">
+<!ENTITY importFeeds.accesskey    "d">
+<!ENTITY importAddressbook.label  "通訊錄">
+<!ENTITY importAddressbook.accesskey "A">
+<!ENTITY importSettings.label     "設定">
+<!ENTITY importSettings.accesskey "S">
+<!ENTITY importFilters.label      "篩選器">
+<!ENTITY importFilters.accesskey  "F">
+
+<!ENTITY importTitle.label        "&brandShortName; 郵件匯入精靈">
+<!ENTITY importShortDesc.label    "從其它程式匯入郵件、通訊錄、設定、篩選器">
+
+<!ENTITY importDescription1.label "此精靈可以從其它程式匯入郵件訊息、通訊錄項目、消息來源訂閱、偏好設定，以及篩選條件到 &brandShortName;。">
+<!ENTITY importDescription2.label "匯入成功後，您就能從 &brandShortName; 裡面存取之前的郵件或通訊錄等設定。">
+
+<!ENTITY selectDescription.label  "請選擇您想匯入的程式資料類型:">
+<!ENTITY selectDescriptionB.label "請選擇現有帳號或建立新帳號:">
+<!ENTITY selectDescription.accesskey "P">
+<!ENTITY acctName.label           "名稱:">
+<!ENTITY acctName.accesskey       "N">
+<!ENTITY noModulesFound.label     "沒有找到可匯入資料的應用程式或檔案。">
+
+<!ENTITY back.label               "&lt; 上一步">
+<!ENTITY forward.label            "下一步 &gt;">
+<!ENTITY finish.label             "完成">
+<!ENTITY cancel.label             "取消">
+
+<!ENTITY select.label             "選擇要匯入的資料類型:">
+
+<!ENTITY title.label              "頭銜">
+<!ENTITY processing.label         "匯入中…">
diff --git a/l10n-zh-TW/mail/chrome/messenger/importMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/importMsgs.properties
new file mode 100644
index 0000000000..e62edf0a32
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/importMsgs.properties
@@ -0,0 +1,308 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# The following are used by the import code to display status/error 
+# and informational messages
+
+# The following are used by the import code to display status/error
+# and informational messages
+
+# Success message when no address books are found to import
+## @name IMPORT_NO_ADDRBOOKS
+## @loc None
+2000=找不到可匯入的通訊錄。
+
+# Error: Address book import not intialized		
+## @name IMPORT_ERROR_AB_NOTINITIALIZED
+## @loc None
+2001=無法匯入通訊錄: 初始化錯誤。
+
+# Error: Unable to create the import thread
+## @name IMPORT_ERROR_AB_NOTHREAD
+## @loc None
+2002=無法匯入通訊錄: 無法建立匯入執行緒。
+
+# Error: Unable to create the import thread
+## @name IMPORT_ERROR_GETABOOK
+## @loc None
+# LOCALIZATION NOTE (Error 2003): Do not translate the word "%S" below.
+2003=匯入 %S 時發生錯誤: 無法建立通訊錄。
+
+# Success message when no mailboxes are found to import
+## @name IMPORT_NO_MAILBOXES
+## @loc None
+2004=找不到可匯入的信件匣。
+
+# Error: Mailbox import not intialized		
+## @name IMPORT_ERROR_MB_NOTINITIALIZED
+## @loc None
+2005=無法匯入郵件匣，初始錯誤。
+
+# Error: Unable to create the import thread
+## @name IMPORT_ERROR_MB_NOTHREAD
+## @loc None
+2006=無法匯入郵件匣，無法建立匯入執行緒。
+
+# Error: Unable to create the proxy object for importing mailboxes
+## @name IMPORT_ERROR_MB_NOPROXY
+## @loc None
+2007=無法匯入郵件匣，無法建立目的郵件匣的 Proxy 物件。
+
+# Error: Error creating destination mailboxes
+## @name IMPORT_ERROR_MB_FINDCHILD
+## @loc None
+# LOCALIZATION NOTE (Error 2008): Do not translate the word "%S" below.
+# Place %S in your translation where the name of the mailbox should appear.
+2008=無法建立目的郵件匣，找不到郵件匣 %S。
+
+# Error: Error creating destination mailboxes
+## @name IMPORT_ERROR_MB_CREATE
+## @loc None
+# LOCALIZATION NOTE (Error 2009): Do not translate the word "%S" below.
+# Place %S in your translation where the name of the mailbox should appear.
+2009=匯入郵件匣 %S 錯誤: 無法建立新郵件匣。
+
+# Error: No destination folder to import mailboxes
+## @name IMPORT_ERROR_MB_NODESTFOLDER
+## @loc None
+2010=無法建立要匯入郵件的郵件匣。
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC_START
+## @loc None
+2100=名
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2101=姓
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2102=顯示名稱
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2103=暱稱
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2104=主要 Email
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2105=次要 Email
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2106=商務電話
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2107=住家電話
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2108=傳真號碼
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2109=呼叫器號碼
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2110=手機號碼
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2111=住家地址
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2112=住家地址 2
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2113=居住縣市
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2114=住家省市
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2115=住家郵遞區號
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2116=居住國家
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2117=商務地址
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2118=商務地址 2
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2119=商務縣市
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2120=商務省市
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2121=商務郵遞區號
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2122=商務國家
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2123=職稱
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2124=部門
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2125=公司
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2126=網頁 1
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2127=網頁 2
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2128=出生年
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2129=出生月
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2130=出生日
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2131=自訂 1
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2132=自訂 2
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2133=自訂 3
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2134=自訂 4
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC
+## @loc None
+2135=註解
+
+# Description: Address book field name
+## @name IMPORT_FIELD_DESC_END
+## @loc None
+2136=網路代號
+
+#Error strings
+ImportAlreadyInProgress=匯入中，請等匯入結束後再試一次。
+
+#Error strings for settings import
+ImportSettingsBadModule=無法載入設定模組
+ImportSettingsNotFound=找不到設定，請確定此程式是否已正確安裝。
+ImportSettingsFailed=匯入設定時發生錯誤。可能有部分或全部設定未被匯入。
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+ImportSettingsSuccess=已由 %S 匯入設定
+
+#Error string for mail import
+ImportMailBadModule=無法載入郵件匯入模組
+ImportMailNotFound=找不到可匯入的郵件。請確定此郵件程式是否已正確安裝。
+ImportEmptyAddressBook=無法匯入空的通訊錄 %S。
+# LOCALIZATION NOTE: Do not translate the word "%S" below.
+ImportMailFailed=由 %S 匯入郵件時發生錯誤。
+# LOCALIZATION NOTE: Do not translate the word "%S" below.
+ImportMailSuccess=成功由 %S 匯入郵件。
+
+# Error string for address import
+ImportAddressBadModule=無法載入通訊錄匯入模組。
+ImportAddressNotFound=找不到可匯入的通訊錄。請確定您已正確安裝好所選取的程式或格式。
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+ImportAddressFailed=無法從 %S 匯入地址。
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+ImportAddressSuccess=已成功從 %S 匯入地址。
+
+# Error string for filters import
+ImportFiltersBadModule=無法載入篩選器匯入模組。
+# LOCALIZATION NOTE : The %S will get replaced by the name of the import module.
+ImportFiltersFailed=從 %S 匯入篩選器時發生錯誤。
+# LOCALIZATION NOTE : The %S will get replaced by the name of the import module.
+ImportFiltersSuccess=篩選器從 %S 匯入成功。
+# LOCALIZATION NOTE : The %S will get replaced by the name of the import module.
+ImportFiltersPartial=只從 %S 匯入了部分篩選器，警告如下:
+
+#Progress strings
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+MailProgressMeterText=正在由 %S 轉換郵件匣
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+AddrProgressMeterText=正在由 %S 轉換通訊錄
+
+#Import file dialog strings
+ImportSelectSettings=選擇設定檔
+ImportSelectMailDir=選擇郵件目錄
+ImportSelectAddrDir=選擇通訊錄目錄
+ImportSelectAddrFile=選擇通訊錄檔案
+
+# Folder Names for imported Mail
+DefaultFolderName=已匯入郵件
+# LOCALIZATION NOTE: Do not translate the word "%S" below.
+ImportModuleFolderName=%S 匯入
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/joinChat.dtd b/l10n-zh-TW/mail/chrome/messenger/joinChat.dtd
new file mode 100644
index 0000000000..a73e663493
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/joinChat.dtd
@@ -0,0 +1,11 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY joinChatWindow.title           "加入聊天">
+<!ENTITY name.label                     "聊天室">
+<!ENTITY optional.label                 "（非必要）">
+<!ENTITY account.label                  "帳號">
+<!ENTITY autojoin.label                 "自動加入此聊天室">
+<!ENTITY autojoin.accesskey             "A">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/junkLog.dtd b/l10n-zh-TW/mail/chrome/messenger/junkLog.dtd
new file mode 100644
index 0000000000..e77d17b163
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/junkLog.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY adaptiveJunkLog.title "漸進式垃圾郵件記錄">
+<!ENTITY adaptiveJunkLogInfo.label "記錄漸進式垃圾郵件篩選時的所有行為。">
+<!ENTITY clearLog.label "清除紀錄">
+<!ENTITY clearLog.accesskey "C">
+<!ENTITY closeLog.label "關閉">
+<!ENTITY closeLog.accesskey "o">
diff --git a/l10n-zh-TW/mail/chrome/messenger/localMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/localMsgs.properties
new file mode 100644
index 0000000000..1b4c594ec2
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/localMsgs.properties
@@ -0,0 +1,139 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the local mail code to display progress/status/error messages
+#
+
+# LOCALIZATION NOTE(pop3ErrorDialogTitle): Do not translate the word "%S"
+# below. Place the word %S where the account name should appear.
+pop3ErrorDialogTitle=帳號 %S 發生錯誤
+
+# LOCALIZATION NOTE (pop3EnterPasswordPromptTitleWithUsername): Do not translate the
+# word %1$S. Place the word %1$S where the user name should appear.
+pop3EnterPasswordPromptTitleWithUsername=請輸入 %1$S 的密碼
+
+# LOCALIZATION NOTE(pop3EnterPasswordPrompt): Do not translate the words "%1$S"
+# and "%2$S" below. Place the word %1$S where the user name should appear, and
+# %2$S where the host name should appear.
+pop3EnterPasswordPrompt=輸入 %1$S 在 %2$S 上的密碼:
+
+# LOCALIZATION NOTE(pop3PreviouslyEnteredPasswordIsInvalidPrompt): Do not
+# translate the words "%1$S" and "%2$S" below. Place the word %1$S where the
+# user name should appear, and %2$S where the host name should appear.
+pop3PreviouslyEnteredPasswordIsInvalidPrompt=請輸入在 %2$S 上 %1$S 的新密碼:
+
+# Status - Downloading message n of m
+# LOCALIZATION NOTE (receivingMessages): Do not translate %1$S or %2$S in the following lines.
+# Place the word %1$S where the number of messages downloaded so far should appear.
+# Place the word %2$S where the total number of messages to receive should appear;
+receivingMessages=正在下載第 %1$S 封訊息，共 %2$S 封…
+
+# Status - connecting to host
+hostContact=已連線至主機，正在傳送登入資訊…
+
+# Status - no messages to download
+noNewMessages=目前沒有新訊息。
+
+# Status - messages received after the download
+#LOCALIZATION NOTE : Do not translate %1$S or %2$S in the following line.
+# %1$S will receive the number of messages received
+# %2$S will receive the total number of messages
+receivedMsgs=已收到第 %1$S 封訊息，共 %2$S 封
+
+# Status - parsing folder
+#LOCALIZATION NOTE (buildingSummary): Do not translate %S in the following line.
+# Place the word %S where the name of the mailbox should appear
+buildingSummary=正在建立 %S 的摘要檔…
+
+# Status - parsing folder
+localStatusDocumentDone=完成
+
+# Status - pop3 server error
+#LOCALIZATION NOTE (pop3ServerError): Do not translate POP3 in the following line.
+pop3ServerError=POP3 伺服器發生錯誤。
+
+# Status - pop3 user name failed
+pop3UsernameFailure=無法傳送使用者名稱。
+
+# Status - password failed
+#LOCALIZATION NOTE (pop3PasswordFailed): Do not translate "%1$S" below.
+# Place the word %1$S where the user name should appear.
+pop3PasswordFailed=未成功傳送使用者 %1$S 的密碼。
+
+# Status - write error occurred
+pop3MessageWriteError=無法儲存郵件到郵件匣中。請確定您對系統有寫入的權限，而且磁碟空間足夠。
+
+# Status - retr failure from the server
+pop3RetrFailure=RETR 命令不成功，取回郵件時發生錯誤。
+
+# Status - password undefined
+pop3PasswordUndefined=無法取得郵件密碼。
+
+# Status - username undefined
+pop3UsernameUndefined=您沒有指定此伺服器的使用者名稱，請至「帳號設定」選單設定後再重試。
+
+# Status - list failure
+pop3ListFailure=LIST 命令不成功，取得郵件 ID 和大小時發生錯誤。
+
+# Status - delete error
+pop3DeleFailure=DELE 命令不成功，刪除郵件時發生錯誤。
+
+# Status - stat failed
+pop3StatFail=STAT 命令不成功，取得訊息數量與大小時發生錯誤。
+
+#LOCALIZATION NOTE (pop3ServerSaid): Do not remove the leading space during translation.
+pop3ServerSaid= 郵件伺服器 %S 回應:
+
+#LOCALIZATION NOTE (pop3TempServerError): %S is where the POP3 server name will appear.
+pop3TempServerError=從 %S 伺服器取得新訊息時發生臨時錯誤，將在下次收信時再次嘗試收信。
+
+copyingMessagesStatus=正在複製 %2$S 封郵件當中的第 %1$S 份郵件到 %3$S
+
+movingMessagesStatus=正在移動 %2$S 封郵件當中的第 %1$S 份郵件到 %3$S
+
+# Status - pop3 server or folder busy
+# LOCALIZATION NOTE (pop3ServerBusy): Do not translate the word "%S" below.
+# Place %S where the account name should appear.
+pop3ServerBusy=正在處理 %S 帳號，請稍候，處理完成後即可取回訊息。
+
+pop3TmpDownloadError=下載下列郵件時發生錯誤:   \n寄件者: %S\n   主旨: %S\n郵件可能有病毒或磁碟空間不足，要略過此郵件嗎？
+
+# Status - the server doesn't support UIDL…
+# LOCALIZATION NOTE(pop3ServerDoesNotSupportUidlEtc): The following sentence should be translated in this way:
+# Do not translate "POP3"
+# Do not translate "%S". Place %S in your translation where the name of the server should appear.
+# Do not translate "UIDL"
+pop3ServerDoesNotSupportUidlEtc=該 POP3 郵件伺服器（%S）不支援 UIDL 或 XTND XLST，因此無法支援「將信件保持在伺服器上」、「最大訊息大小」或「只讀取標頭」等功能。請從「帳號設定」的「伺服器設定」中關閉這些選項方能下載郵件。
+
+# Status - the server doesn't support the top command
+# LOCALIZATION NOTE(pop3ServerDoesNotSupportTopCommand): The following sentence should be translated in this way:
+# Do not translate "POP3"
+# Do not translate "%S". Place %S in your translation where the name of the server should appear.
+# Do not translate "TOP"
+pop3ServerDoesNotSupportTopCommand=該 POP3 郵件伺服器（%S）不支援 TOP 命令。因此無法達成「最大訊息大小」或「只讀取標頭」等功能。這些選項將被停用，因此下載郵件時將不會注意它們的大小。
+
+nsErrorCouldNotConnectViaTls=建立 TLS 連線到 POP3 伺服器失敗。伺服器可能已經關機或者是設定有誤。請檢查「帳號設定」中的「伺服器設定」然後再試一次。
+
+# LOCALIZATION NOTE (pop3MoveFolderToTrash): Do not translate the word %S below.
+# "%S" is the the name of the folder.
+pop3MoveFolderToTrash=您確定要刪除資料夾「%S」嗎？
+
+pop3DeleteFolderDialogTitle=刪除資料夾
+
+pop3DeleteFolderButtonLabel=刪除資料夾
+
+pop3AuthInternalError=向 POP3 伺服器進行驗證時發生內部錯誤。這是一個在應用程式當中未預期發生的內部錯誤，請作錯誤回報。
+
+pop3AuthChangeEncryptToPlainNoSSL=這台 POP3 伺服器可能不支援加密過的密碼。如果您剛設定好這個帳號，請試著將「帳號設定」當中「伺服器設定」的「認證方式」設定成「不安全傳輸的密碼」。如果您突然遇到這個狀況代表可能有人正要偷走您的密碼。
+
+pop3AuthChangeEncryptToPlainSSL=這台 POP3 伺服器可能不支援加密過的密碼。如果您剛設定好這個帳號，請試著將「帳號設定」當中「伺服器設定」的「認證方式」設定成「普通密碼」。如果您是突然沒有辦法使用的話，請洽詢您的電子郵件管理者或服務提供者。
+
+pop3AuthChangePlainToEncrypt=%S 這台 POP3 伺服器不接受未加密的密碼。請試著把「帳號設定」當中「伺服器設定」的「認證方式」設定成「加密過的密碼」。
+
+# Authentication server caps and pref don't match
+pop3AuthMechNotSupported=這台伺服器不支援您所選擇的認證方式。請到「帳號設定」當中的「伺服器設定」修改「認證方式」。
+
+# Status - Could not log in to GSSAPI, and it was the only method
+pop3GssapiFailure=Kerberos/GSSAPI 門標（Ticket）沒有被 POP 伺服器接受。請檢查您是否已經登入 Kerberos/GSSAPI 領域。
diff --git a/l10n-zh-TW/mail/chrome/messenger/mailEditorOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/mailEditorOverlay.dtd
new file mode 100644
index 0000000000..d43f569a3c
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mailEditorOverlay.dtd
@@ -0,0 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY sendPage.label                   "傳送頁面…">
+<!ENTITY sendPage.accesskey               "g">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/mailOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/mailOverlay.dtd
new file mode 100644
index 0000000000..879b1cce8c
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mailOverlay.dtd
@@ -0,0 +1,12 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY  newMessageCmd2.key              "N">
+<!ENTITY  newMessageCmd.key               "M">
+<!ENTITY  newMessageCmd.label             "郵件">
+<!ENTITY  newMessageCmd.accesskey         "M">
+ 
+<!ENTITY  newContactCmd.label             "通訊錄連絡人…">
+<!ENTITY  newContactCmd.accesskey         "C">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/mailViewList.dtd b/l10n-zh-TW/mail/chrome/messenger/mailViewList.dtd
new file mode 100644
index 0000000000..df3168e1fe
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mailViewList.dtd
@@ -0,0 +1,9 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE msgViewPickerOverlay.dtd UI for showing various views on a folder -->
+
+<!ENTITY mailViewListTitle.label "自訂訊息畫面">
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/mailViewSetup.dtd b/l10n-zh-TW/mail/chrome/messenger/mailViewSetup.dtd
new file mode 100644
index 0000000000..8ee9754a9e
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mailViewSetup.dtd
@@ -0,0 +1,12 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE msgViewPickerOverlay.dtd UI for showing various views on a folder -->
+
+<!ENTITY mailViewSetupTitle.label "郵件檢視設定">
+<!ENTITY mailViewHeading.label "郵件檢視名稱:">
+<!ENTITY mailViewHeading.accesskey "e">
+<!ENTITY searchTermCaption.label "選取此分頁時只顯示下列郵件:">
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/mailviews.properties b/l10n-zh-TW/mail/chrome/messenger/mailviews.properties
new file mode 100644
index 0000000000..c21e6cbdfd
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mailviews.properties
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# Mail Views
+#
+
+mailViewPeopleIKnow=親朋好友
+mailViewRecentMail=最新郵件
+mailViewLastFiveDays=最近五天
+mailViewNotJunk=非垃圾郵件
+mailViewHasAttachments=內含附件
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/markByDate.dtd b/l10n-zh-TW/mail/chrome/messenger/markByDate.dtd
new file mode 100644
index 0000000000..a1e6bba9a3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/markByDate.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY messageMarkByDate.label "依日期將訊息標示為已讀">
+<!ENTITY markByDateLower.label "由此時間開始將訊息標示為已讀:">
+<!ENTITY markByDateLower.accesskey "f">
+<!ENTITY markByDateUpper.label "至:">
+<!ENTITY markByDateUpper.accesskey "T">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messenger.dtd b/l10n-zh-TW/mail/chrome/messenger/messenger.dtd
new file mode 100644
index 0000000000..431e3c084e
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messenger.dtd
@@ -0,0 +1,945 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY titledefault.label "&brandFullName;">
+<!ENTITY titleSeparator.label " - ">
+
+<!-- File Menu -->
+<!ENTITY newFolderCmd.label "資料夾…">
+<!ENTITY newFolderCmd.accesskey "F">
+<!ENTITY closeTabCmd2.label "關閉分頁">
+<!ENTITY closeTabCmd2.accesskey "C">
+<!ENTITY closeOtherTabsCmd2.label "關閉其他分頁">
+<!ENTITY closeOtherTabsCmd2.accesskey "o">
+<!ENTITY recentlyClosedTabsCmd.label "最近關閉的分頁">
+<!ENTITY recentlyClosedTabsCmd.accesskey "R">
+
+<!ENTITY undoCloseTabCmd.commandkey "T">
+<!-- LOCALIZATION NOTE (moveToNewWindow.label):
+     Menu option to cause the current tab to be migrated to a new Thunderbird
+     window.
+     -->
+<!ENTITY moveToNewWindow.label "移動到新視窗">
+<!ENTITY moveToNewWindow.accesskey "w">
+<!ENTITY newVirtualFolderCmd.label "即時搜尋…">
+<!ENTITY newVirtualFolderCmd.accesskey "S">
+<!ENTITY newCreateEmailAccountCmd.label "取得全新的電子郵件帳號…">
+<!ENTITY newCreateEmailAccountCmd.accesskey "G">
+<!ENTITY newExistingEmailAccountCmd.label "現有的電子郵件帳號…">
+<!ENTITY newExistingEmailAccountCmd.accesskey "E">
+<!ENTITY newIMAccountCmd.label "聊天帳號…">
+<!ENTITY newIMAccountCmd.accesskey "C">
+<!ENTITY newFeedAccountCmd.label "資訊來源帳號…">
+<!ENTITY newFeedAccountCmd.accesskey "d">
+<!ENTITY newIMContactCmd.label "聊天聯絡人…">
+<!ENTITY newIMContactCmd.accesskey "h">
+<!ENTITY  newMessageCmd2.key "N">
+<!ENTITY  newMessageCmd.key "M">
+<!ENTITY  newMessageCmd.label "訊息">
+<!ENTITY  newMessageCmd.accesskey "m">
+<!ENTITY  newContactCmd.label "通訊錄連絡人…">
+<!ENTITY  newContactCmd.accesskey "C">
+<!ENTITY openMenuCmd.label "開啟">
+<!ENTITY openMenuCmd.accesskey "O">
+<!ENTITY openMessageFileCmd.label "儲存的訊息…">
+<!ENTITY openMessageFileCmd.accesskey "O">
+<!ENTITY saveAsMenu.label "另存新檔">
+<!ENTITY saveAsMenu.accesskey "S">
+<!ENTITY saveAsFileCmd.key "s">
+<!ENTITY saveAsTemplateCmd.label "範本">
+<!ENTITY saveAsTemplateCmd.accesskey "T">
+<!ENTITY getNewMsgForCmd.label "下載新郵件">
+<!ENTITY getNewMsgForCmd.accesskey "w">
+<!ENTITY getAllNewMsgCmdPopupMenu.label "所有帳號">
+<!ENTITY getAllNewMsgCmdPopupMenu.accesskey "A">
+<!ENTITY getNewMsgCurrentAccountCmdPopupMenu.label "目前帳號">
+<!ENTITY getNewMsgCurrentAccountCmdPopupMenu.accesskey "C">
+<!ENTITY getNextNMsgCmd2.label "取得下一封新聞訊息">
+<!ENTITY getNextNMsgCmd2.accesskey "t">
+<!ENTITY sendUnsentCmd.label "寄出未寄郵件">
+<!ENTITY sendUnsentCmd.accesskey "d">
+<!ENTITY subscribeCmd.label "訂閱…">
+<!ENTITY subscribeCmd.accesskey "b">
+<!ENTITY deleteFolder.label "刪除資料夾">
+<!ENTITY deleteFolder.accesskey "e">
+<!ENTITY renameFolder.label "重新命名資料夾…">
+<!ENTITY renameFolder.accesskey "R">
+<!ENTITY renameFolder.key "VK_F2">
+<!ENTITY compactFolders.label "壓實重整郵件匣">
+<!ENTITY compactFolders.accesskey "F">
+<!ENTITY emptyTrashCmd.label "清空垃圾桶">
+<!ENTITY emptyTrashCmd.accesskey "y">
+<!ENTITY offlineMenu.label "離線">
+<!ENTITY offlineMenu.accesskey "l">
+<!ENTITY offlineGoOfflineCmd.label "離線模式">
+<!ENTITY offlineGoOfflineCmd.accesskey "W">
+<!ENTITY synchronizeOfflineCmd.label "立刻下載／同步…">
+<!ENTITY synchronizeOfflineCmd.accesskey "S">
+<!ENTITY settingsOfflineCmd2.label "離線模式設定">
+<!ENTITY settingsOfflineCmd2.accesskey "e">
+<!ENTITY downloadSelectedCmd.label "下載選取的郵件">
+<!ENTITY downloadSelectedCmd.accesskey "l">
+<!ENTITY downloadStarredCmd.label "下載已加星號郵件">
+<!ENTITY downloadStarredCmd.accesskey "a">
+<!ENTITY printCmd.label "列印…">
+<!ENTITY printCmd.accesskey "P">
+<!ENTITY printCmd.key "p">
+
+<!-- Edit Menu -->
+<!ENTITY deleteMsgCmd.label "刪除郵件">
+<!ENTITY deleteMsgCmd.accesskey "D">
+<!ENTITY undeleteMsgCmd.label "救回郵件">
+<!ENTITY undeleteMsgCmd.accesskey "d">
+<!ENTITY deleteMsgsCmd.label "刪除選擇的郵件">
+<!ENTITY deleteMsgsCmd.accesskey "D">
+<!ENTITY undeleteMsgsCmd.label "救回選擇的郵件">
+<!ENTITY undeleteMsgsCmd.accesskey "d">
+<!ENTITY deleteFolderCmd.label "刪除資料夾">
+<!ENTITY deleteFolderCmd.accesskey "D">
+<!ENTITY unsubscribeNewsgroupCmd.label "取消訂閱">
+<!ENTITY unsubscribeNewsgroupCmd.accesskey "b">
+<!ENTITY selectMenu.label "選取">
+<!ENTITY selectMenu.accesskey "S">
+<!ENTITY all.label "全部">
+<!ENTITY all.accesskey "A">
+<!ENTITY selectThreadCmd.label "主題">
+<!ENTITY selectThreadCmd.accesskey "T">
+<!ENTITY selectThreadCmd.key "a">
+<!ENTITY selectFlaggedCmd.label "星號標記">
+<!ENTITY selectFlaggedCmd.accesskey "S">
+<!ENTITY menuFavoriteFolder.label "最愛資料夾">
+<!ENTITY menuFavoriteFolder.accesskey "v">
+<!ENTITY folderPropsCmd2.label "屬性">
+<!ENTITY folderPropsFolderCmd2.label "資料夾屬性">
+<!ENTITY folderPropsNewsgroupCmd2.label "新聞群組屬性">
+<!ENTITY folderPropsCmd.accesskey "o">
+<!ENTITY undoDeleteMsgCmd.label "取消刪除郵件">
+<!ENTITY redoDeleteMsgCmd.label "重作刪除郵件">
+<!ENTITY undoMoveMsgCmd.label "取消移動郵件">
+<!ENTITY redoMoveMsgCmd.label "重作移動郵件">
+<!ENTITY undoCopyMsgCmd.label "取消複製郵件">
+<!ENTITY redoCopyMsgCmd.label "重作複製郵件">
+<!ENTITY undoMarkAllCmd.label "取消全部設定為已讀取">
+<!ENTITY redoMarkAllCmd.label "取消復原設定全部為已讀取">
+<!ENTITY undoDefaultCmd.label "復原">
+<!ENTITY undoDefaultCmd.accesskey "U">
+<!ENTITY redoDefaultCmd.label "取消「復原」">
+<!ENTITY redoDefaultCmd.accesskey "R">
+
+<!-- View Menu -->
+<!ENTITY menubarCmd.label "選單列">
+<!ENTITY menubarCmd.accesskey "M">
+<!ENTITY showMessengerToolbarCmd.label "郵件工具列">
+<!ENTITY showMessengerToolbarCmd.accesskey "o">
+<!ENTITY customizeToolbar.label "自訂…">
+<!ENTITY customizeToolbar.accesskey "C">
+
+<!ENTITY messagePaneLayoutStyle.label "視窗配置方式">
+<!ENTITY messagePaneLayoutStyle.accesskey "L">
+<!ENTITY messagePaneClassic.label "傳統檢視">
+<!ENTITY messagePaneClassic.accesskey "C">
+<!ENTITY messagePaneWide.label "水平檢視">
+<!ENTITY messagePaneWide.accesskey "W">
+<!ENTITY messagePaneVertical.label "垂直檢視">
+<!ENTITY messagePaneVertical.accesskey "V">
+<!ENTITY showFolderPaneCmd.label "資料夾窗格">
+<!ENTITY showFolderPaneCmd.accesskey "F">
+<!ENTITY showFolderPaneColsCmd.label "資料夾窗格欄位">
+<!ENTITY showFolderPaneColsCmd.accesskey "P">
+<!ENTITY showMessageCmd.label "訊息窗格">
+<!ENTITY showMessageCmd.accesskey "M">
+
+<!ENTITY folderView.label "資料夾">
+<!ENTITY folderView.accesskey "F">
+<!ENTITY unifiedFolders.label "整合的">
+<!ENTITY unifiedFolders.accesskey "n">
+<!ENTITY allFolders.label "全部">
+<!ENTITY allFolders.accesskey "A">
+<!ENTITY unreadFolders.label "未讀">
+<!ENTITY unreadFolders.accesskey "U">
+<!ENTITY favoriteFolders.label "最愛">
+<!ENTITY favoriteFolders.accesskey "F">
+<!ENTITY recentFolders.label "最近開啟">
+<!ENTITY recentFolders.accesskey "R">
+<!ENTITY compactVersion.label "精簡檢視">
+<!ENTITY compactVersion.accesskey "C">
+
+<!-- Sort Menu -->
+<!ENTITY sortMenu.label "排序方式">
+<!ENTITY sortMenu.accesskey "S">
+<!ENTITY sortByDateCmd.label "日期">
+<!ENTITY sortByDateCmd.accesskey "e">
+<!ENTITY sortByReceivedCmd.label "接收時間">
+<!ENTITY sortByReceivedCmd.accesskey "v">
+<!ENTITY sortByStarCmd.label "已加星號">
+<!ENTITY sortByStarCmd.accesskey "S">
+<!ENTITY sortByAttachmentsCmd.label "附件">
+<!ENTITY sortByAttachmentsCmd.accesskey "A">
+<!ENTITY sortByPriorityCmd.label "重要性">
+<!ENTITY sortByPriorityCmd.accesskey "P">
+<!ENTITY sortBySizeCmd.label "大小">
+<!ENTITY sortBySizeCmd.accesskey "z">
+<!ENTITY sortByStatusCmd.label "狀態">
+<!ENTITY sortByStatusCmd.accesskey "u">
+<!ENTITY sortByTagsCmd.label "標籤">
+<!ENTITY sortByTagsCmd.accesskey "g">
+<!ENTITY sortByJunkStatusCmd.label "垃圾信狀態">
+<!ENTITY sortByJunkStatusCmd.accesskey "J">
+<!ENTITY sortBySubjectCmd.label "主旨">
+<!ENTITY sortBySubjectCmd.accesskey "b">
+<!ENTITY sortByFromCmd.label "從">
+<!ENTITY sortByFromCmd.accesskey "F">
+<!ENTITY sortByRecipientCmd.label "收件者">
+<!ENTITY sortByRecipientCmd.accesskey "c">
+<!ENTITY sortByCorrespondentCmd.label "通訊者">
+<!ENTITY sortByCorrespondentCmd.accesskey "e">
+<!ENTITY sortByUnreadCmd.label "已讀">
+<!ENTITY sortByUnreadCmd.accesskey "R">
+<!ENTITY sortByOrderReceivedCmd.label "收件順序">
+<!ENTITY sortByOrderReceivedCmd.accesskey "O">
+<!ENTITY sortAscending.label "由小到大">
+<!ENTITY sortAscending.accesskey "A">
+<!ENTITY sortDescending.label "由大到小">
+<!ENTITY sortDescending.accesskey "D">
+<!ENTITY sortThreaded.label "討論串">
+<!ENTITY sortThreaded.accesskey "T">
+<!ENTITY sortUnthreaded.label "非討論串">
+<!ENTITY sortUnthreaded.accesskey "h">
+<!ENTITY groupBySort.label "依排序分組閱讀">
+<!ENTITY groupBySort.accesskey "G">
+<!ENTITY msgsMenu.label "訊息">
+<!ENTITY msgsMenu.accesskey "M">
+<!ENTITY threads.label "討論串">
+<!ENTITY threads.accesskey "e">
+<!ENTITY allMsgsCmd.label "全部">
+<!ENTITY allMsgsCmd.accesskey "A">
+<!ENTITY expandAllThreadsCmd.label "展開所有討論串">
+<!ENTITY expandAllThreadsCmd.accesskey "E">
+<!ENTITY expandAllThreadsCmd.key "*">
+<!ENTITY collapseAllThreadsCmd.label "收起所有討論串">
+<!ENTITY collapseAllThreadsCmd.accesskey "C">
+<!ENTITY collapseAllThreadsCmd.key "\">
+<!ENTITY unreadMsgsCmd.label "未讀">
+<!ENTITY unreadMsgsCmd.accesskey "U">
+<!ENTITY threadsWithUnreadCmd.label "未讀主題">
+<!ENTITY threadsWithUnreadCmd.accesskey "T">
+<!ENTITY watchedThreadsWithUnreadCmd.label "含有未讀訊息的已追蹤討論串">
+<!ENTITY watchedThreadsWithUnreadCmd.accesskey "W">
+<!ENTITY ignoredThreadsCmd.label "被忽略的討論串">
+<!ENTITY ignoredThreadsCmd.accesskey "I">
+
+<!ENTITY headersMenu.label "郵件資訊">
+<!ENTITY headersMenu.accesskey "H">
+<!ENTITY headersAllCmd.label "全部">
+<!ENTITY headersAllCmd.accesskey "A">
+<!ENTITY headersNormalCmd.label "標準">
+<!ENTITY headersNormalCmd.accesskey "N">
+<!ENTITY bodyMenu.label "內文顯示方式">
+<!ENTITY bodyMenu.accesskey "B">
+<!ENTITY bodyAllowHTML.label "原始 HTML">
+<!ENTITY bodyAllowHTML.accesskey "H">
+<!ENTITY bodySanitized.label "簡化 HTML">
+<!ENTITY bodySanitized.accesskey "S">
+<!ENTITY bodyAsPlaintext.label "純文字">
+<!ENTITY bodyAsPlaintext.accesskey "P">
+<!ENTITY bodyAllParts.label "所有內文部分">
+<!ENTITY bodyAllParts.accesskey "A">
+
+<!ENTITY bodyMenuFeed.label "設定來源內文顯示為">
+<!ENTITY bodyMenuFeed.accesskey "B">
+<!ENTITY viewFeedWebPage.label "網頁">
+<!ENTITY viewFeedWebPage.accesskey "W">
+<!ENTITY viewFeedSummary.label "摘要">
+<!ENTITY viewFeedSummary.accesskey "m">
+<!ENTITY viewFeedSummaryFeedPropsPref.label "預設格式">
+<!ENTITY viewFeedSummaryFeedPropsPref.accesskey "D">
+
+<!ENTITY viewAttachmentsInlineCmd.label "直接檢視附件">
+<!ENTITY viewAttachmentsInlineCmd.accesskey "a">
+
+<!ENTITY pageSourceCmd.label "郵件原始內容">
+<!ENTITY pageSourceCmd.accesskey "o">
+<!ENTITY pageSourceCmd.key "u">
+<!ENTITY getNewMessagesCmd.key "y">
+<!ENTITY getAllNewMessagesCmd.key "Y">
+
+<!-- Search Menu -->
+<!ENTITY findMenu.label "尋找">
+<!ENTITY findMenu.accesskey "F">
+<!ENTITY findCmd.label "在郵件內文中尋找…">
+<!ENTITY findCmd.accesskey "F">
+<!ENTITY findCmd.key "f">
+<!ENTITY findAgainCmd.label "找下一個">
+<!ENTITY findAgainCmd.accesskey "g">
+<!ENTITY findAgainCmd.key "g">
+<!ENTITY findAgainCmd.key2 "VK_F3">
+<!ENTITY findPrevCmd.key "g">
+<!ENTITY findPrevCmd.key2 "VK_F3">
+<!ENTITY searchMailCmd.label "搜尋訊息…">
+<!ENTITY searchMailCmd.accesskey "M">
+<!ENTITY searchMailCmd.key "f">
+<!ENTITY glodaSearchCmd.label "全域搜尋…">
+<!ENTITY glodaSearchCmd.accesskey "G">
+<!ENTITY searchAddressesCmd.label "搜尋地址…">
+<!ENTITY searchAddressesCmd.accesskey "S">
+
+<!-- Go Menu -->
+<!ENTITY goMenu.label "前往">
+<!ENTITY goMenu.accesskey "G">
+<!ENTITY nextMenu.label "下一封">
+<!ENTITY nextMenu.accesskey "N">
+<!ENTITY nextMsgCmd.label "郵件">
+<!ENTITY nextMsgCmd.accesskey "M">
+<!ENTITY nextMsgCmd.key "f">
+<!ENTITY nextUnreadMsgCmd.label "未讀郵件">
+<!ENTITY nextUnreadMsgCmd.accesskey "U">
+<!ENTITY nextUnreadMsgCmd.key "n">
+<!ENTITY nextStarredMsgCmd.label "已加星號郵件">
+<!ENTITY nextStarredMsgCmd.accesskey "S">
+<!ENTITY nextUnreadThread.label "未讀討論串">
+<!ENTITY nextUnreadThread.accesskey "T">
+<!ENTITY nextUnreadThread.key "t">
+<!ENTITY prevMenu.label "上一封">
+<!ENTITY prevMenu.accesskey "P">
+<!ENTITY prevMsgCmd.label "郵件">
+<!ENTITY prevMsgCmd.accesskey "M">
+<!ENTITY prevMsgCmd.key "b">
+<!ENTITY prevUnreadMsgCmd.label "未讀郵件">
+<!ENTITY prevUnreadMsgCmd.accesskey "U">
+<!ENTITY prevUnreadMsgCmd.key "p">
+<!ENTITY goForwardCmd.label "下一頁">
+<!ENTITY goForwardCmd.accesskey "F">
+<!ENTITY goForwardCmd.commandKey "]">
+<!ENTITY goBackCmd.label "上一頁">
+<!ENTITY goBackCmd.accesskey "B">
+<!ENTITY goBackCmd.commandKey "[">
+<!ENTITY goChatCmd.label "聊天">
+<!ENTITY goChatCmd.accesskey "C">
+<!ENTITY prevStarredMsgCmd.label "已加星號郵件">
+<!ENTITY prevStarredMsgCmd.accesskey "S">
+<!ENTITY folderMenu.label "資料夾">
+<!ENTITY folderMenu.accesskey "o">
+<!ENTITY goRecentlyClosedTabs.label "最近關閉的分頁">
+<!ENTITY goRecentlyClosedTabs.accesskey "R">
+<!ENTITY startPageCmd.label "開始頁面">
+<!ENTITY startPageCmd.accesskey "S">
+
+<!-- Message Menu -->
+<!ENTITY msgMenu.label "郵件">
+<!ENTITY msgMenu.accesskey "M">
+<!ENTITY newMsgCmd.label "寫新訊息">
+<!ENTITY newMsgCmd.accesskey "N">
+<!ENTITY newNewMsgCmd.label "郵件">
+<!ENTITY newNewMsgCmd.accesskey "M">
+<!ENTITY archiveMsgCmd.label "備存">
+<!ENTITY archiveMsgCmd.accesskey "A">
+<!ENTITY archiveMsgCmd.key "a">
+<!ENTITY cancelNewsMsgCmd.label "取消郵件">
+<!ENTITY cancelNewsMsgCmd.accesskey "C">
+<!ENTITY replyMsgCmd.label "回覆">
+<!ENTITY replyMsgCmd.accesskey "R">
+<!ENTITY replyMsgCmd.key "r">
+<!ENTITY replySenderCmd.label "只回覆給寄件者">
+<!ENTITY replySenderCmd.accesskey "R">
+<!ENTITY replyNewsgroupCmd2.label "加入郵件群組討論">
+<!ENTITY replyNewsgroupCmd2.accesskey "u">
+<!ENTITY replyToAllMsgCmd.label "回覆給所有人">
+<!ENTITY replyToAllMsgCmd.accesskey "p">
+<!ENTITY replyToAllMsgCmd.key "r">
+<!ENTITY replyToListMsgCmd.label "回覆至清單">
+<!ENTITY replyToListMsgCmd.accesskey "l">
+<!ENTITY replyToListMsgCmd.key "l">
+<!ENTITY forwardMsgCmd.label "轉寄">
+<!ENTITY forwardMsgCmd.accesskey "F">
+<!ENTITY forwardMsgCmd.key "l">
+<!ENTITY forwardAsMenu.label "轉寄為">
+<!ENTITY forwardAsMenu.accesskey "w">
+<!ENTITY forwardAsInline.label "引入內文">
+<!ENTITY forwardAsInline.accesskey "I">
+<!ENTITY forwardAsAttachmentCmd.label "附件">
+<!ENTITY forwardAsAttachmentCmd.accesskey "A">
+<!ENTITY editAsNewMsgCmd.label "作為新訊息編輯">
+<!ENTITY editAsNewMsgCmd.accesskey "E">
+<!ENTITY editAsNewMsgCmd.key "e">
+<!ENTITY editDraftMsgCmd.label "編輯草稿">
+<!ENTITY editDraftMsgCmd.accesskey "D">
+<!ENTITY editTemplateMsgCmd.label "編輯範本">
+<!ENTITY editTemplateMsgCmd.accesskey "T">
+<!ENTITY newMsgFromTemplateCmd.label "使用範本撰寫新訊息">
+<!ENTITY newMsgFromTemplateCmd.keycode "VK_RETURN"><!-- do not change "VK_RETURN" -->
+<!ENTITY createFilter.label "依郵件建立篩選條件…">
+<!ENTITY createFilter.accesskey "a">
+<!ENTITY moveMsgToMenu.label "移至">
+<!ENTITY moveMsgToMenu.accesskey "M">
+<!ENTITY moveCopyMsgRecentMenu.label "最近">
+<!ENTITY moveCopyMsgRecentMenu.accesskey "R">
+<!ENTITY copyMessageLocation.label "複製訊息位置">
+<!ENTITY copyMessageLocation.accesskey "M">
+<!ENTITY copyMsgToMenu.label "複製到">
+<!ENTITY copyMsgToMenu.accesskey "C">
+<!ENTITY moveToFolderAgain.label "再次複製">
+<!ENTITY moveToFolderAgain.accesskey "i">
+<!ENTITY moveToFolderAgainCmd.key "m">
+<!ENTITY killThreadMenu.label "忽略討論串">
+<!ENTITY killThreadMenu.accesskey "I">
+<!ENTITY killThreadMenu.key "k">
+<!ENTITY killSubthreadMenu.label "忽略回覆討論串">
+<!ENTITY killSubthreadMenu.accesskey "S">
+<!ENTITY killSubthreadMenu.key "k">
+<!ENTITY watchThreadMenu.label "追蹤討論串">
+<!ENTITY watchThreadMenu.accesskey "W">
+<!ENTITY watchThreadMenu.key "w">
+<!ENTITY tagMenu.label "標籤">
+<!ENTITY tagMenu.accesskey "g">
+<!ENTITY tagCmd0.key "0">
+<!ENTITY tagCmd1.key "1">
+<!ENTITY tagCmd2.key "2">
+<!ENTITY tagCmd3.key "3">
+<!ENTITY tagCmd4.key "4">
+<!ENTITY tagCmd5.key "5">
+<!ENTITY tagCmd6.key "6">
+<!ENTITY tagCmd7.key "7">
+<!ENTITY tagCmd8.key "8">
+<!ENTITY tagCmd9.key "9">
+<!ENTITY markMenu.label "標記">
+<!ENTITY markMenu.accesskey "k">
+<!ENTITY toggleReadCmd.key "m">
+<!ENTITY markAsReadCmd.label "已讀">
+<!ENTITY markAsReadCmd.accesskey "R">
+<!ENTITY markAsUnreadCmd.label "為未讀">
+<!ENTITY markAsUnreadCmd.accesskey "U">
+<!ENTITY markThreadAsReadCmd.label "討論串為已讀">
+<!ENTITY markThreadAsReadCmd.accesskey "T">
+<!ENTITY markThreadAsReadCmd.key "r">
+<!ENTITY markReadByDateCmd.label "已讀 (依日期指定)…">
+<!ENTITY markReadByDateCmd.accesskey "d">
+<!ENTITY markReadByDateCmd.key "c">
+<!ENTITY markAllReadCmd.label "全部郵件已讀">
+<!ENTITY markAllReadCmd.accesskey "A">
+<!ENTITY markAllReadCmd.key "c">
+<!ENTITY markStarredCmd.label "加上星號">
+<!ENTITY markStarredCmd.accesskey "S">
+<!ENTITY markStarredCmd.key "S">
+<!ENTITY markAsJunkCmd.label "垃圾信">
+<!ENTITY markAsJunkCmd.accesskey "J">
+<!ENTITY markAsJunkCmd.key "j">
+<!ENTITY markAsNotJunkCmd.label "非垃圾信">
+<!ENTITY markAsNotJunkCmd.accesskey "N">
+<!ENTITY markAsNotJunkCmd.key "j">
+<!ENTITY recalculateJunkScoreCmd.label "執行垃圾郵件控制">
+<!ENTITY recalculateJunkScoreCmd.accesskey "C">
+<!ENTITY openMessageWindowCmd.label "開啟郵件">
+<!ENTITY openMessageWindowCmd.accesskey "O">
+<!ENTITY openMessageWindowCmd.key "o">
+<!ENTITY openInConversationCmd.label "以討論串檢視模式開啟">
+<!ENTITY openInConversationCmd.accesskey "s">
+<!ENTITY openInConversationCmd.key "o">
+<!ENTITY openAttachmentListCmd.label "附件">
+<!ENTITY openAttachmentListCmd.accesskey "h">
+<!ENTITY openFeedMessage1.label "開啟資訊來源的訊息時">
+<!ENTITY openFeedMessage1.accesskey "O">
+<!ENTITY openFeedWebPage.label "開啟為網頁">
+<!ENTITY openFeedWebPage.accesskey "W">
+<!ENTITY openFeedSummary.label "開啟為摘要">
+<!ENTITY openFeedSummary.accesskey "S">
+<!ENTITY openFeedWebPageInMP.label "切換郵件面板的網頁/摘要">
+<!ENTITY openFeedWebPageInMP.accesskey "T">
+
+<!-- Windows Menu -->
+<!ENTITY windowMenu.label "視窗">
+
+<!-- Tools Menu -->
+<!ENTITY tasksMenu.label "工具">
+<!ENTITY tasksMenu.accesskey "T">
+<!ENTITY messengerCmd.label "郵件與新聞群組">
+<!ENTITY messengerCmd.accesskey "N">
+<!ENTITY addressBookCmd.label "通訊錄">
+<!ENTITY addressBookCmd.accesskey "B">
+<!ENTITY addressBookCmd.key "B">
+<!ENTITY addonNoPrefs.label "找不到附加元件設定。">
+<!ENTITY activitymanager.label "活動管理員">
+<!ENTITY activitymanager.accesskey "v">
+<!ENTITY imAccountsStatus.label "聊天狀態">
+<!ENTITY imAccountsStatus.accesskey "C">
+<!ENTITY imStatus.available          "有空">
+<!ENTITY imStatus.unavailable        "沒空">
+<!ENTITY imStatus.offline            "離線">
+<!ENTITY imStatus.showAccounts       "顯示帳號…">
+<!ENTITY joinChatCmd.label "加入聊天…">
+<!ENTITY joinChatCmd.accesskey "o">
+<!ENTITY savedFiles.label "已存檔案">
+<!ENTITY savedFiles.accesskey "l">
+<!ENTITY savedFiles.key "j">
+<!ENTITY filtersCmd2.label "郵件篩選條件">
+<!ENTITY filtersCmd2.accesskey "F">
+<!ENTITY filtersApply.label "篩選此資料夾">
+<!ENTITY filtersApply.accesskey "R">
+<!ENTITY filtersApplyToSelection.label "篩選選取的郵件">
+<!ENTITY filtersApplyToSelection.accesskey "u">
+<!ENTITY filtersApplyToMessage.label "篩選郵件">
+<!ENTITY filtersApplyToMessage.accesskey "u">
+<!ENTITY runJunkControls.label "執行垃圾郵件控制">
+<!ENTITY runJunkControls.accesskey "C">
+<!ENTITY deleteJunk.label "刪除標示為垃圾信的郵件">
+<!ENTITY deleteJunk.accesskey "D">
+<!ENTITY importCmd.label "匯入…">
+<!ENTITY importCmd.accesskey "m">
+<!ENTITY exportCmd.label "匯出…">
+<!ENTITY exportCmd.accesskey "x">
+<!ENTITY clearRecentHistory.label "清除最近的歷史記錄…">
+<!ENTITY clearRecentHistory.accesskey "H">
+<!ENTITY accountManagerCmd2.label "帳號設定">
+<!ENTITY accountManagerCmd2.accesskey "S">
+<!-- LOCALIZATION NOTE (accountManagerCmdUnix.accesskey):
+     Belongs to accountManagerCmd.label, which is placed under the Edit menu
+     on Unix systems
+  -->
+<!ENTITY accountManagerCmdUnix2.accesskey "A">
+
+<!-- Developer Tools Submenu -->
+<!ENTITY devtoolsMenu.label "開發者工具">
+<!ENTITY devtoolsMenu.accesskey "o">
+<!ENTITY devToolboxCmd.label "開發者工具箱">
+<!ENTITY devToolboxCmd.accesskey "T">
+<!ENTITY devToolboxCmd.commandkey "i">
+<!ENTITY debugAddonsCmd.label "對附加元件除錯">
+<!ENTITY debugAddonsCmd.accesskey "A">
+<!ENTITY errorConsoleCmd.label "錯誤主控台">
+<!ENTITY errorConsoleCmd.accesskey "E">
+<!ENTITY errorConsoleCmd.commandkey "j">
+
+<!-- Mail Toolbar -->
+<!ENTITY getMsgButton1.label "下載郵件">
+<!ENTITY newMsgButton.label "寫信">
+<!ENTITY replyButton.label "回覆">
+<!ENTITY replyAllButton.label "回覆全部">
+<!ENTITY replyListButton.label "回覆至清單">
+<!ENTITY forwardButton.label "轉寄">
+<!ENTITY fileButton.label "檔案">
+<!ENTITY archiveButton.label "備存">
+<!ENTITY openConversationButton.label "討論串">
+<!ENTITY nextButton.label "下一封">
+<!ENTITY nextButtonToolbarItem.label "下一封未讀">
+<!ENTITY nextMsgButton.label "下一封">
+<!ENTITY previousButton.label "上一封">
+<!ENTITY previousButtonToolbarItem.label "上一封未讀">
+<!ENTITY previousMsgButton.label "上一封">
+<!ENTITY backButton1.label "上一頁">
+<!ENTITY goForwardButton1.label "下一頁">
+<!ENTITY deleteItem.title "刪除">
+<!ENTITY markButton.label "標記">
+<!ENTITY printButton.label "列印">
+<!ENTITY stopButton.label "停止">
+<!ENTITY throbberItem.title "進度指示器">
+<!ENTITY junkItem.title "垃圾郵件">
+<!ENTITY addressBookButton.label "通訊錄">
+<!ENTITY chatButton.label "聊天">
+<!ENTITY glodaSearch.title "全域搜尋">
+<!ENTITY searchItem.title "快速搜尋">
+<!ENTITY mailViewsToolbarItem.title "郵件檢視">
+<!ENTITY folderLocationToolbarItem.title "資料夾位置">
+<!ENTITY tagButton.label "標籤">
+<!ENTITY compactButton.label "壓實重整">
+<!ENTITY appmenuButton.label "應用程式選單">
+
+<!-- Mail Toolbar Tooltips-->
+<!ENTITY advancedButton.tooltip "進階郵件搜尋">
+<!ENTITY getMsgButton.tooltip "下載新郵件">
+<!ENTITY getAllNewMsgCmd.label "下載所有新郵件">
+<!ENTITY getAllNewMsgCmd.accesskey "G">
+<!ENTITY newMsgButton.tooltip "建立新郵件">
+<!ENTITY replyButton.tooltip "回覆此信">
+<!ENTITY replyAllButton.tooltip "回信給寄件者及所有收件者">
+<!ENTITY replyListButton.tooltip "回覆到郵件群組">
+<!ENTITY forwardButton.tooltip "轉寄選取郵件">
+<!ENTITY forwardAsInline.tooltip "將所選的文字作為行內文字轉寄">
+<!ENTITY forwardAsAttachment.tooltip "將所選的訊息作為附件轉寄">
+<!ENTITY fileButton.tooltip "歸檔所選的訊息">
+<!ENTITY archiveButton.tooltip "將選取的郵件備存">
+<!ENTITY openMsgConversationButton.tooltip "顯示所選訊息當中的對話內容">
+<!ENTITY nextButton.tooltip "移至下一封未讀郵件">
+<!ENTITY nextMsgButton.tooltip "移動至下一封訊息">
+<!ENTITY previousButton.tooltip "移至上一封未讀郵件">
+<!ENTITY previousMsgButton.tooltip "移動至上一封訊息">
+<!ENTITY goForwardButton.tooltip "下一封郵件">
+<!ENTITY goBackButton.tooltip "上一封郵件">
+<!ENTITY markButton.tooltip "標示訊息">
+<!ENTITY printButton.tooltip "列印此訊息">
+<!ENTITY stopButton.tooltip "停止傳送">
+<!ENTITY addressBookButton.tooltip "前往通訊錄">
+<!ENTITY chatButton.tooltip "顯示聊天分頁">
+<!ENTITY tagButton.tooltip "將郵件加上標籤">
+<!ENTITY compactButton.tooltip "從指定資料夾移除已刪郵件">
+<!ENTITY appmenuButton1.tooltip "顯示 &brandShortName; 選單">
+
+<!-- Toolbar Button Popup -->
+<!ENTITY buttonMenuForwardAsInline.label "行內轉寄">
+<!ENTITY buttonMenuForwardAsAttachment.label "以附件轉寄">
+
+<!-- Remote Content Button Popup -->
+<!ENTITY remoteContentOptionsAllowForMsg.label "顯示此訊息中的遠端內容">
+<!ENTITY remoteContentOptionsAllowForMsg.accesskey "S">
+<!ENTITY editRemoteContentSettings.label "編輯遠端內容選項…">
+<!ENTITY editRemoteContentSettings.accesskey "E">
+<!ENTITY editRemoteContentSettingsUnix.label "編輯遠端內容偏好設定…">
+<!ENTITY editRemoteContentSettingsUnix.accesskey "E">
+
+<!-- Phishing Button Popup -->
+<!ENTITY phishingOptionIgnore.label "忽略此訊息的警告">
+<!ENTITY phishingOptionIgnore.accesskey "n">
+<!ENTITY phishingOptionSettings.label "編輯詐騙郵件偵測選項…">
+<!ENTITY phishingOptionSettings.accesskey "d">
+<!ENTITY phishingOptionSettingsUnix.label "編輯詐騙郵件偵測偏好設定…">
+<!ENTITY phishingOptionSettingsUnix.accesskey "d">
+
+<!-- AppMenu Popup -->
+<!ENTITY appmenuNewMsgCmd.label "寫新訊息">
+<!ENTITY appmenuNewContactCmd.label "通訊錄連絡人…">
+<!ENTITY appmenuEditMenu.label "編輯">
+<!ENTITY appmenuToolbarLayout.label "工具列配置…">
+<!ENTITY appmenuSelectThread.label "選擇討論串">
+<!ENTITY appmenuSelectFlagged.label "選擇加上星號的郵件">
+
+<!-- Tags Menu Popup -->
+<!ENTITY addNewTag.label "新標籤…">
+<!ENTITY addNewTag.accesskey "N">
+<!ENTITY manageTags.label "管理標籤…">
+<!ENTITY manageTags.accesskey "M">
+
+<!-- Folder Pane -->
+<!ENTITY folderNameColumn.label "名稱">
+<!ENTITY folderUnreadColumn.label "未讀">
+<!ENTITY folderTotalColumn.label "全部">
+<!ENTITY folderSizeColumn.label "大小">
+
+<!-- Folder Pane Context Menu -->
+<!ENTITY folderContextGetMessages.label "下載郵件">
+<!ENTITY folderContextGetMessages.accesskey "G">
+<!ENTITY folderContextMarkAllFoldersRead.label "將所有信件匣標示為已讀">
+<!ENTITY folderContextPauseAllUpdates.label "暫停所有更新">
+<!ENTITY folderContextPauseUpdates.label "暫停更新">
+<!ENTITY folderContextPauseUpdates.accesskey "U">
+<!ENTITY folderContextOpenInNewWindow.label "開啟至新視窗">
+<!ENTITY folderContextOpenInNewWindow.accesskey "O">
+<!ENTITY folderContextOpenNewTab.label "用新分頁開啟">
+<!ENTITY folderContextOpenNewTab.accesskey "T">
+<!ENTITY folderContextNew.label "新增子資料夾…">
+<!ENTITY folderContextNew.accesskey "N">
+<!ENTITY folderContextRename.label "重新命名">
+<!ENTITY folderContextRename.accesskey "R">
+<!ENTITY folderContextRemove.label "刪除">
+<!ENTITY folderContextRemove.accesskey "D">
+<!ENTITY folderContextCompact.label "壓實重整">
+<!ENTITY folderContextCompact.accesskey "C">
+<!ENTITY folderContextEmptyTrash.label "清空垃圾桶">
+<!ENTITY folderContextEmptyTrash.accesskey "y">
+<!ENTITY folderContextEmptyJunk.label "清空垃圾郵件匣">
+<!ENTITY folderContextEmptyJunk.accesskey "J">
+<!ENTITY folderContextSendUnsentMessages.label "寄出未寄郵件">
+<!ENTITY folderContextSendUnsentMessages.accesskey "d">
+<!ENTITY folderContextUnsubscribe.label "取消訂閱">
+<!ENTITY folderContextUnsubscribe.accesskey "U">
+<!ENTITY folderContextMarkNewsgroupRead.label "標示新聞群組為已讀">
+<!ENTITY folderContextMarkNewsgroupRead.accesskey "k">
+<!ENTITY folderContextMarkMailFolderRead.label "標記資料夾為已讀">
+<!ENTITY folderContextMarkMailFolderRead.accesskey "k">
+<!ENTITY folderContextSubscribe.label "訂閱…">
+<!ENTITY folderContextSubscribe.accesskey "b">
+<!ENTITY folderContextSearchForMessages.label "搜尋訊息…">
+<!ENTITY folderContextSearchForMessages.accesskey "S">
+<!ENTITY folderContextProperties2.label "屬性">
+<!ENTITY folderContextProperties2.accesskey "P">
+<!ENTITY folderContextFavoriteFolder.label "最愛資料夾">
+<!ENTITY folderContextFavoriteFolder.accesskey "a">
+<!ENTITY folderContextSettings2.label "設定">
+<!ENTITY folderContextSettings2.accesskey "e">
+
+<!-- Search Bar -->
+<!ENTITY SearchNameOrEmail.label "姓名或 Email 含:">
+<!ENTITY SearchNameOrEmail.accesskey "N">
+
+<!-- Gloda Search Bar -->
+<!ENTITY glodaSearchBar.placeholder "搜尋訊息…">
+
+<!-- Quick Search Menu Bar -->
+<!ENTITY searchSubjectMenu.label "主旨">
+<!ENTITY searchFromMenu.label "從">
+<!ENTITY searchSubjectOrFromMenu.label "主旨或寄件者">
+<!ENTITY searchRecipient.label "正副本收件者 (To/Cc)">
+<!ENTITY searchSubjectOrRecipientMenu.label "標題，收件者或副本">
+<!ENTITY searchMessageBody.label "郵件內文">
+<!ENTITY saveAsVirtualFolderMenu.label "存為即時搜尋資料夾…">
+
+<!-- Thread Pane -->
+<!ENTITY selectColumn.label "選擇訊息">
+<!ENTITY threadColumn.label "主題">
+<!ENTITY fromColumn.label "從">
+<!ENTITY recipientColumn.label "收件者">
+<!ENTITY correspondentColumn.label "通訊者">
+<!ENTITY subjectColumn.label "主旨">
+<!ENTITY dateColumn.label "日期">
+<!ENTITY priorityColumn.label "重要性">
+<!ENTITY tagsColumn.label "標籤">
+<!ENTITY accountColumn.label "帳號">
+<!ENTITY statusColumn.label "狀態">
+<!ENTITY sizeColumn.label "大小">
+<!ENTITY junkStatusColumn.label "垃圾信狀態">
+<!ENTITY unreadColumn.label "未讀">
+<!ENTITY totalColumn.label "全部">
+<!ENTITY readColumn.label "已讀">
+<!ENTITY receivedColumn.label "接收時間">
+<!ENTITY starredColumn.label "已標星號">
+<!ENTITY locationColumn.label "地點">
+<!ENTITY idColumn.label "收件順序">
+<!ENTITY attachmentColumn.label "附件">
+<!ENTITY deleteColumn.label "刪除">
+
+<!-- Thread Pane Tooltips -->
+<!ENTITY columnChooser2.tooltip "選擇要顯示的欄位">
+<!ENTITY selectColumn.tooltip "切換選擇所有訊息">
+<!ENTITY threadColumn2.tooltip "顯示訊息討論串">
+<!ENTITY fromColumn2.tooltip "依照寄件者排序">
+<!ENTITY recipientColumn2.tooltip "依照收件者排序">
+<!ENTITY correspondentColumn2.tooltip "依照通訊者排序">
+<!ENTITY subjectColumn2.tooltip "依照主旨排序">
+<!ENTITY dateColumn2.tooltip "依照日期排序">
+<!ENTITY priorityColumn2.tooltip "依照重要性排序">
+<!ENTITY tagsColumn2.tooltip "依照標籤排序">
+<!ENTITY accountColumn2.tooltip "依照帳號排序">
+<!ENTITY statusColumn2.tooltip "依照狀態排序">
+<!ENTITY sizeColumn2.tooltip "依照大小排序">
+<!ENTITY junkStatusColumn2.tooltip "依照垃圾信狀態排序">
+<!ENTITY unreadColumn2.tooltip "討論串中未讀訊息數量">
+<!ENTITY totalColumn2.tooltip "討論串中所有訊息數量">
+<!ENTITY readColumn2.tooltip "依照是否已讀排序">
+<!ENTITY receivedColumn2.tooltip "依照接收日期排序">
+<!ENTITY starredColumn2.tooltip "依照星號狀態排序">
+<!ENTITY locationColumn2.tooltip "依照位置">
+<!ENTITY idColumn2.tooltip "依照接收順序排序">
+<!ENTITY attachmentColumn2.tooltip "依照附件排序">
+<!ENTITY deleteColumn.tooltip "刪除訊息">
+
+<!-- Thread Pane Context Menu -->
+<!ENTITY contextNewMsgFromTemplate.label "使用範本撰寫新訊息">
+<!ENTITY contextOpenNewWindow.label "用新視窗開啟郵件">
+<!ENTITY contextOpenNewWindow.accesskey "w">
+<!-- The contextOpenNewTab.accesskey ("T") potentially conflicts with
+     cutCmd.accessKey which is defined in textcontext.dtd from toolkit. Right
+     now, both menu items can't be visible at the same time, but should someone
+     enable copy/paste of message, this key would probably need to be changed. -->
+<!ENTITY contextOpenNewTab.label "用新分頁開啟郵件">
+<!ENTITY contextOpenNewTab.accesskey "T">
+<!ENTITY contextOpenConversation.label "將訊息以討論串檢視模式開啟">
+<!ENTITY contextOpenConversation.accesskey "n">
+<!ENTITY contextOpenContainingFolder.label "開啟所在資料夾中的訊息">
+<!ENTITY contextOpenContainingFolder.accesskey "n">
+<!ENTITY contextEditMsgAsNew.label "作為新訊息編輯">
+<!ENTITY contextEditMsgAsNew.accesskey "E">
+<!ENTITY contextEditDraftMsg.label "編輯草稿">
+<!ENTITY contextEditTemplate.label "編輯範本">
+<!ENTITY contextEditTemplate.accesskey "T">
+<!ENTITY contextArchive.label "備存">
+<!ENTITY contextArchive.accesskey "h">
+<!ENTITY contextReplySender.label "只回覆給寄件者">
+<!ENTITY contextReplySender.accesskey "R">
+<!ENTITY contextReplyNewsgroup2.label "加入郵件群組討論">
+<!ENTITY contextReplyNewsgroup2.accesskey "u">
+<!ENTITY contextReplyAll.label "回覆給所有人">
+<!ENTITY contextReplyAll.accesskey "A">
+<!ENTITY contextReplyList.label "回覆至清單">
+<!ENTITY contextReplyList.accesskey "l">
+<!ENTITY contextForward.label "轉寄">
+<!ENTITY contextForward.accesskey "F">
+<!ENTITY contextForwardAsMenu.label "轉寄為">
+<!ENTITY contextForwardAsMenu.accesskey "o">
+<!ENTITY contextForwardAsInline.label "引入內文">
+<!ENTITY contextForwardAsInline.accesskey "I">
+<!ENTITY contextForwardAsAttachmentItem.label "附件">
+<!ENTITY contextForwardAsAttachmentItem.accesskey "A">
+<!ENTITY contextMultiForwardAsAttachment.label "以附件方式轉寄">
+<!ENTITY contextMultiForwardAsAttachment.accesskey "o">
+<!ENTITY contextMoveMsgMenu.label "移至">
+<!ENTITY contextMoveMsgMenu.accesskey "M">
+<!ENTITY contextMoveCopyMsgRecentMenu.label "最近">
+<!ENTITY contextMoveCopyMsgRecentMenu.accesskey "R">
+<!ENTITY contextMoveCopyMsgFavoritesMenu.label "我的最愛">
+<!ENTITY contextMoveCopyMsgFavoritesMenu.accesskey "F">
+<!ENTITY contextCopyMsgMenu.label "複製到">
+<!ENTITY contextCopyMsgMenu.accesskey "C">
+<!ENTITY contextKillThreadMenu.label "忽略討論串">
+<!ENTITY contextKillSubthreadMenu.accesskey "b">
+<!ENTITY contextKillThreadMenu.accesskey "I">
+<!ENTITY contextKillSubthreadMenu.label "忽略回覆討論串">
+<!ENTITY contextWatchThreadMenu.label "追蹤討論串">
+<!-- LOCALIZATION NOTE (contextWatchThreadMenu.accesskey):
+     In the en-US locale we ran out of access keys, so there is an empty access key for
+     Watch Thread. Localizers can pick a suitable key
+  -->
+<!ENTITY contextWatchThreadMenu.accesskey "">
+<!ENTITY contextSaveAs.label "另存新檔…">
+<!ENTITY contextSaveAs.accesskey "S">
+<!ENTITY contextPrint.label "列印…">
+<!ENTITY contextPrint.accesskey "P">
+<!ENTITY contextPrintPreview.label "預覽列印">
+<!ENTITY contextPrintPreview.accesskey "v">
+
+<!-- LOCALIZATION NOTE (columnPicker.applyTo.label):
+     This option in the thread pane column picker pops up a sub-menu containing
+     the "columnPicker.applyToFolder.label" and
+     "columnPicker.applyToFolderAndChildren.label" options. This item indicates
+     a desire to apply the currently displayed set of columns to some other
+     folder(s). The sub-menu items indicate whether we want to apply it to just
+     a folder or also its children.
+  -->
+<!ENTITY columnPicker.applyTo.label "套用欄位至…">
+<!-- LOCALIZATION NOTE (columnPicker.applyToFolder.label):
+     This option in the thread pane column picker is found on a sub-menu beneath
+     the "columnPicker.applyTo.label" alongside
+     "columnPicker.applyToFolderAndChildren.label". It indicates a desire to
+     apply the currently display thread pane column settings to a single folder
+     that the user selects using the same widget as the move to/copy to
+     mechanism (via a series of popups).
+  -->
+<!ENTITY columnPicker.applyToFolder.label "資料夾…">
+<!-- LOCALIZATION NOTE (columnPicker.applyToFolderAndChildren.label):
+     This option in the thread pane column picker is found on a sub-menu beneath
+     the "columnPicker.applyTo.label" alongside
+     "columnPicker.applyToFolder.label". It indicates a desire to
+     apply the currently display thread pane column settings to a folder and all
+     of its descendents. The user selects the folder using the same widget as the
+     move to/copy to mechanism (via a series of popups).
+  -->
+<!ENTITY columnPicker.applyToFolderAndChildren.label "資料夾與其子資料夾">
+<!-- LOCALIZATION NOTE (columnPicker.thisFolder.label):
+     This is used in the folder selection widget for the
+     "columnPicker.applyToFolder.label" and
+     "columnPicker.applyToFolderAndChildren.label" menu options. Whenever
+     a folder has children, it results in a menu popup; the first menu item
+     in that popup is given this label to indicate that that folder should be
+     selected. For example, if folder "A" has two children, "B" and "C", then
+     when the user hovers over "A", a new popup menu will be displayed whose
+     items are "This folder", "B", and "C". This is the equivalent of the
+     "File here" option for the move to/copy to widget.
+  -->
+<!ENTITY columnPicker.thisFolder.label "這個資料夾">
+
+<!-- Media (video/audio) controls -->
+<!ENTITY contextPlay.label "播放">
+<!ENTITY contextPlay.accesskey "P">
+<!ENTITY contextPause.label "暫停">
+<!ENTITY contextPause.accesskey "P">
+<!ENTITY contextMute.label "靜音">
+<!ENTITY contextMute.accesskey "M">
+<!ENTITY contextUnmute.label "取消靜音">
+<!ENTITY contextUnmute.accesskey "m">
+
+<!-- Quick Search Bar -->
+<!-- LOCALIZATION NOTE (quickSearchCmd.key):
+     This is actually the key used for the global message search box; we have
+     not changed
+  -->
+<!ENTITY quickSearchCmd.key "k">
+<!-- LOCALIZATION NOTE (search.label.base1):
+     This is the base of the empty text for the global search box. We replace
+     #1 with the contents of the appropriate search.keyLabel.* value for the
+     platform.
+     The goal is to convey to the user that typing in the box will allow them
+     to search for messages globally and that there is a hotkey they can press
+     to get to the box faster. If the global indexer is disabled, the search
+     box will be collapsed and the user will never see this message.
+  -->
+<!ENTITY search.label.base1 "搜尋 #1">
+<!-- LOCALIZATION NOTE (search.keyLabel.nonmac):
+     The description of the key-binding to get into the global search box on
+     windows and linux (which use the control key). We use the key defined in
+     the quickSearchCmd.key entity defined above, the letter should match it.
+  -->
+<!ENTITY search.keyLabel.nonmac "&lt;Ctrl+K&gt;">
+<!-- LOCALIZATION NOTE (search.keyLabel.mac):
+     The description of the key-binding to get into the global search box on mac
+     systems. We use the key defined in the quickSearchCmd.key entity defined
+     above, the letter should match it.
+  -->
+<!ENTITY search.keyLabel.mac "&lt;&#x2318;K&gt;">
+
+<!-- Message Header Context Menu -->
+<!ENTITY AddToAddressBook.label "加入通訊錄…">
+<!ENTITY AddToAddressBook.accesskey "B">
+<!ENTITY AddDirectlyToAddressBook.label "加入通訊錄">
+<!ENTITY AddDirectlyToAddressBook.accesskey "B">
+<!ENTITY EditContact1.label "編輯連絡人">
+<!ENTITY EditContact1.accesskey "E">
+<!ENTITY ViewContact.label "檢視連絡人">
+<!ENTITY ViewContact.accesskey "V">
+<!ENTITY SubscribeToNewsgroup.label "訂閱新聞群組">
+<!ENTITY SubscribeToNewsgroup.accesskey "N">
+<!ENTITY SendMessageTo.label "撰寫郵件給">
+<!ENTITY SendMessageTo.accesskey "s">
+<!ENTITY CopyEmailAddress.label "複製電子郵件地址">
+<!ENTITY CopyEmailAddress.accesskey "C">
+<!ENTITY CopyNameAndEmailAddress.label "複製姓名與電子郵件地址">
+<!ENTITY CopyNameAndEmailAddress.accesskey "N">
+<!ENTITY CopyNewsgroupName.label "複製新聞群組名稱">
+<!ENTITY CopyNewsgroupName.accesskey "C">
+<!ENTITY CopyNewsgroupURL.label "複製新聞群組 URL">
+<!ENTITY CopyNewsgroupURL.accesskey "U">
+<!ENTITY CreateFilterFrom.label "由此建立篩選器…">
+<!ENTITY CreateFilterFrom.accesskey "F">
+<!ENTITY reportPhishingURL.label "回報詐騙郵件">
+<!ENTITY reportPhishingURL.accesskey "o">
+
+<!-- Spell checker context menu items -->
+<!ENTITY spellAddDictionaries.label "新增字典…">
+<!ENTITY spellAddDictionaries.accesskey "A">
+
+<!-- Content Pane Context Menu -->
+<!ENTITY saveLinkAsCmd.label "鏈結另存新檔…">
+<!ENTITY saveLinkAsCmd.accesskey "k">
+<!ENTITY saveImageAsCmd.label "圖片另存新檔…">
+<!ENTITY saveImageAsCmd.accesskey "v">
+<!ENTITY copyLinkCmd.label "複製鏈結網址">
+<!ENTITY copyLinkCmd.accesskey "C">
+<!ENTITY copyImageAllCmd.label "複製圖片">
+<!ENTITY copyImageAllCmd.accesskey "I">
+<!ENTITY copyEmailCmd.label "複製電子郵件地址">
+<!ENTITY copyEmailCmd.accesskey "E">
+<!ENTITY stopCmd.label "停止">
+<!ENTITY stopCmd.accesskey "S">
+<!ENTITY reloadCmd.label "重新載入">
+<!ENTITY reloadCmd.accesskey "R">
+<!ENTITY openInBrowser.label "在瀏覽器開啟">
+<!ENTITY openInBrowser.accesskey "O">
+<!ENTITY openLinkInBrowser.label "在瀏覽器開啟鏈結">
+<!ENTITY openLinkInBrowser.accesskey "O">
+
+<!-- Statusbar -->
+<!ENTITY statusText.label "完成">
+
+<!-- Mac OS X Window Menu -->
+<!ENTITY minimizeWindow.label "縮到最小">
+<!ENTITY minimizeWindow.key "m">
+<!ENTITY bringAllToFront.label "將此程式所有視窗移至最前">
+<!ENTITY zoomWindow.label "縮放">
+
+<!-- Mac OS X Application Menu (Cocoa widgets) -->
+<!ENTITY preferencesCmdMac2.label       "偏好設定">
+<!ENTITY preferencesCmdMac.commandkey   ",">
+<!ENTITY preferencesCmdMac.modifiers    "accel">
+<!ENTITY servicesMenuMac.label          "服務">
+<!ENTITY hideThisAppCmdMac.label        "隱藏 &brandShortName;">
+<!ENTITY hideThisAppCmdMac.commandkey   "H">
+<!ENTITY hideThisAppCmdMac.modifiers    "accel">
+<!ENTITY hideOtherAppsCmdMac.label      "隱藏其他視窗">
+<!ENTITY hideOtherAppsCmdMac.commandkey "H">
+<!ENTITY hideOtherAppsCmdMac.modifiers  "accel,alt">
+<!ENTITY showAllAppsCmdMac.label        "全部顯示">
+
+<!-- Mac OS X Dock Icon pop-up menu -->
+<!ENTITY dockOptions.label              "應用程式圖示選項…">
+<!ENTITY writeNewMessageDock.label      "撰寫新訊息">
+<!ENTITY openAddressBookDock.label      "開啟通訊錄">
+
+<!-- Content tab Navigation buttons -->
+<!ENTITY browseBackButton.tooltip    "回到上一頁">
+<!ENTITY browseForwardButton.tooltip "前進下一頁">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messenger.properties b/l10n-zh-TW/mail/chrome/messenger/messenger.properties
new file mode 100644
index 0000000000..0470ff92bc
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messenger.properties
@@ -0,0 +1,762 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# The following are used by the messenger application
+#
+
+# LOCALIZATION NOTE(statusMessage):
+# Do not translate the words %1$S and %2$S below. Place the word %1$S where the
+# account name should appear and %2$S where the status message should appear.
+# EXAMPLE: Jim's Account: Downloading messages...
+statusMessage=%1$S: %2$S
+
+removeAccount=刪除帳號…
+newFolderMenuItem=資料夾…
+newSubfolderMenuItem=子資料夾…
+newFolder=新增資料夾…
+newSubfolder=新增子資料夾…
+markFolderRead=將信件匣標為已讀
+markNewsgroupRead=將新聞群組標為已讀
+folderProperties=資料夾屬性
+newTag=新標籤…
+# LOCALIZATION NOTE (getNextNewsMessages): Semi-colon list of plural forms.
+# #1 is the number of news messages to get.
+getNextNewsMessages=取得下 #1 封新聞群組訊息
+advanceNextPrompt=前往 %S 的下一封未讀訊息？
+titleNewsPreHost=在
+replyToSender=回覆給寄件者
+reply=回覆
+EMLFiles=郵件檔
+OpenEMLFiles=開啟郵件
+# LOCALIZATION NOTE(defaultSaveMessageAsFileName): Do not translate ".eml"
+# in the line below. Also, the complete file name should be 8.3.
+defaultSaveMessageAsFileName=message.eml
+# LOCALIZATION NOTE(longMsgSubjectTruncator): A suffix string appended to the filename
+# (created from message subject) if it needed to be truncated due to length.
+longMsgSubjectTruncator=…
+SaveMailAs=另存郵件
+SaveAttachment=儲存附件
+SaveAllAttachments=儲存所有附件
+DetachAttachment=分離附件
+DetachAllAttachments=分離所有附件
+ChooseFolder=選擇資料夾
+MessageLoaded=郵件已載入…
+PreviewTitle=%S - %S
+saveAttachmentFailed=無法儲存附件，請檢查檔名是否正確後再試一次。
+saveMessageFailed=無法儲存訊息，請檢查檔名是否正確後再試一次。
+fileExists=%S 已存在。您要取代它嗎？
+# LOCALIZATION NOTE(failedToReadFile): %1$S is replaced by the file name, %2$S is replaced by the reason the file load failed.
+failedToReadFile=無法讀取檔案: %1$S 原因: %2$S
+
+downloadingNewsgroups=下載新聞群組以供離線閱讀
+downloadingMail=下載郵件以供離線閱讀
+sendingUnsent=正在寄送尚未寄出的訊息
+
+folderExists=已存在相同名稱的資料夾，請輸入別的名稱。
+# LOCALIZATION NOTE(confirmDuplicateFolderRename): %1$S is name of folder being moved, %2$S is parent folder name, %3$S is proposed new folder name
+confirmDuplicateFolderRename=資料夾「%2$S」中已有名稱為「%1$S」的子資料夾。您想要改用「%3$S」作為新名稱移動至該資料夾嗎？
+folderCreationFailed=無法建立信件匣，因為您輸入的內容含有無法識別的字元。請修正名稱後重試。
+
+compactingFolder=正在壓實重整郵件匣 %S …
+# LOCALIZATION NOTE(compactingDone): %1$S is the compaction gain.
+compactingDone=已完成重整（大約節省了 %1$S）。
+
+confirmFolderDeletionForFilter=刪除資料夾「%S」會影響到相關的篩選條件。您確定要刪除嗎？
+alertFilterChanged=將會更新與此信件匣相關的篩選條件。
+filterDisabled=找不到信件匣「%S」，無法使用相關的篩選條件。請確認信件匣是否存在，或將條件內容設到另一個信件匣。
+filterFolderDeniedLocked=無法篩選郵件到郵件匣「%S」，因為有其它動作正在進行。
+parsingFolderFailed=無法開啟資料夾 %S，因為它正在執行其它指令。請等待指令結束後重試。
+deletingMsgsFailed=無法刪除資料夾 %S 中的郵件，因為它正在執行其它指令。請等待指令結束後重試。
+alertFilterCheckbox=不要再顯示此訊息。
+compactFolderDeniedLock=無法壓實重整郵件匣「%S」。因為有其它動作正在進行。請稍候再試。
+compactFolderWriteFailed=因為無法寫入郵件匣，無法壓實重整郵件匣「%S」。請確認仍有足夠磁碟空問並有寫入權限後再試一次。
+compactFolderInsufficientSpace=因為磁碟空間不足，無法壓實重整某些郵件匣（例如「%S」）。請刪除一些檔案後再試一次。
+filterFolderHdrAddFailed=因為將訊息新增至資料夾「%S」失敗，無法將訊息過濾至該資料夾。請確認資料夾正確顯示，或於資料夾屬性中修復。
+filterFolderWriteFailed=因為無法寫入郵件匣，無法篩選郵件到郵件匣「%S」。請確認仍有足夠磁碟空問並有寫入權限後再試一次。
+copyMsgWriteFailed=郵件無法移動或複製到郵件匣「%S」，因為無法寫入郵件匣。請從「檔案」選單選「清空垃圾桶」或選擇「壓實重整郵件匣」清出空間後再試一次。
+cantMoveMsgWOBodyOffline=離線模式時您無法移動或複製未下載的郵件。請從「檔案」選單選取「連線模式」後重試。
+operationFailedFolderBusy=無法執行，因為有別的指令正在使用此資料夾。請稍候再試。
+folderRenameFailed=無法改變此資料夾的名稱。您可能正在使用裡面的檔案，或是新名稱包含不正確的字元。
+# LOCALIZATION NOTE(verboseFolderFormat): %1$S is folder name, %2$S is server name
+verboseFolderFormat=%1$S 在 %2$S
+# LOCALIZATION NOTE(filterFolderTruncateFailed): %1$S is replaced by the folder name, %2$S is replaced by the brandShortName
+filterFolderTruncateFailed=篩選郵件至郵件匣「%1$S」後無法變更收件匣。您可能要關閉 %2$S 後手動刪除 INBOX.msf。
+
+mailboxTooLarge=郵件匣「%S」已滿，無法新增郵件。請刪除不必要的郵件後壓實重整此郵件匣。
+outOfDiskSpace=磁碟空間不足以下載新郵件。請刪除舊郵件、清空垃圾桶、或壓實重整郵件匣後再試試。
+errorGettingDB=無法開啟 %S 的摘要檔，可能是磁碟發生錯誤或路徑名稱太長。
+defaultServerTag=(預設)
+
+# Used in message database list view to provide a text value for graphic based cells.
+messageUnread=未讀
+messageHasFlag=已標星號
+messageHasAttachment=有附件
+messageJunk=垃圾郵件
+messageExpanded=展開
+messageCollapsed=收合
+
+# Used in the SMTP Account Settings panel when a server value has no properties
+smtpServerList-NotSpecified=<未指定>
+smtpServer-ConnectionSecurityType-0=無
+smtpServer-ConnectionSecurityType-1=嘗試使用 STARTTLS
+smtpServer-ConnectionSecurityType-2=STARTTLS
+smtpServer-ConnectionSecurityType-3=SSL/TLS
+smtpServers-confirmServerDeletionTitle=刪除伺服器
+smtpServers-confirmServerDeletion=確定要刪除此伺服器: \n %S？
+
+# Account Settings - Both Incoming and SMTP server
+authNo=不認證
+authOld=密碼，以前的方式（不安全）
+authPasswordCleartextInsecurely=不安全傳輸的密碼
+authPasswordCleartextViaSSL=普通密碼
+authPasswordEncrypted=加密過的密碼
+authKerberos=Kerberos / GSSAPI
+authExternal=TLS 憑證
+authNTLM=NTLM
+authOAuth2=OAuth2
+authAnySecure=任何比較安全的方式（不建議）
+authAny=任何方式（不安全）
+
+# OAuth2 window title
+# LOCALIZATION NOTE(oauth2WindowTitle):
+# %1$S is the username (or full email address) used for authentication.
+# %2$S is the hostname of the account being authenticated.
+oauth2WindowTitle=請輸入 %1$S 在 %2$S 上的帳號密碼
+
+# LOCALIZATION NOTE(serverType-nntp): Do not translate "NNTP" in the line below
+serverType-nntp=新聞群組伺服器 (NNTP)
+# LOCALIZATION NOTE(serverType-pop3): Do not translate "POP" in the line below
+serverType-pop3=POP 郵件伺服器
+# LOCALIZATION NOTE(serverType-imap): Do not translate "IMAP" in the line below
+serverType-imap=IMAP 郵件伺服器
+serverType-none=本機郵件儲存空間
+
+sizeColumnTooltip2=依照大小排序
+sizeColumnHeader=大小
+linesColumnTooltip2=依照行數排序
+linesColumnHeader=行
+
+# LOCALIZATION NOTE (getMsgButtonTooltip): Do not translate the word "%S" below.
+# Place the word "%S" in your translation where the name of the comma separated accounts should appear.
+getMsgButtonTooltip=取回 %S 帳號的新訊息
+# Used to separate email addresses in a list.  Note the trailing space ', '
+getMsgButtonTooltip.listSeparator=、
+
+# status feedback stuff
+documentDone=
+documentLoading=載入郵件中…
+
+# LOCALIZATION NOTE (autosyncProgress): Do not translate the word "%1$S" or "%2$S" below.
+# Place the word %1$S in your translation where the name of the comma separated folders should appear.
+# Place the word %2$S in your translation where the name of the comma separated accounts should appear.
+autosyncProgress=正在從 %2$S 同步郵件至 %1$S …
+
+unreadMsgStatus=未讀: %S
+selectedMsgStatus=已選取: %S
+totalMsgStatus=全部: %S
+
+# localized folder names
+
+localFolders=本機郵件匣
+
+# LOCALIZATION NOTE (inboxFolderName): OK to translate all foldernames, bugzilla #57440 & bugzilla #23625 fixed
+inboxFolderName=收件匣
+trashFolderName=垃圾桶
+sentFolderName=寄件備份
+draftsFolderName=草稿
+templatesFolderName=範本
+outboxFolderName=寄件匣
+junkFolderName=垃圾郵件
+archivesFolderName=備存
+
+# "Normal" priority is often blank,
+# depending on the consumers of these strings
+priorityLowest=最低
+priorityLow=低
+priorityNormal=標準
+priorityHigh=高
+priorityHighest=最高
+
+#Group by date thread pane titles
+today=今天
+yesterday=昨天
+lastWeek=上週
+last7Days=最近 7 天
+twoWeeksAgo=兩週前
+last14Days=最近 14 天
+older=舊郵件
+futureDate=未來
+
+#Grouped By Tags
+untaggedMessages=無標籤郵件
+
+# Grouped by status
+messagesWithNoStatus=無狀態
+
+#Grouped by priority
+noPriority=無重要性
+
+#Grouped by has attachments
+noAttachments=無附件
+attachments=附件
+
+#Grouped by starred
+notFlagged=未加星號
+groupFlagged=已標星號
+
+# defaults descriptions for tag prefs listed in mailnews.js
+# (we keep the .labels. names for backwards compatibility)
+mailnews.tags.remove=移除所有標籤
+mailnews.labels.description.1=重要
+mailnews.labels.description.2=商務
+mailnews.labels.description.3=私人
+mailnews.labels.description.4=待辦事項
+mailnews.labels.description.5=稍後處理
+
+# Format definition tag menu texts.
+# This is necessary in order to get the accesskeys to be the on the first
+# character of the menu text instead of after the menu text.
+# If a key definition exists for the tag at index n, that key's key will be
+# taken as the accesskey, eg.
+#   <key id="key_tag3" key="&tagCmd3.key;" oncommand="ToggleMessageTagKey(3);"/>
+# makes the third tag have the accesskey &tagCmd3.key;.
+# In the menuitem's label, this accesskey appears at %1$S below; %2$S will be
+# replaced by the tag label.
+mailnews.tags.format=%1$S %2$S
+
+replied=已回信
+forwarded=已轉寄
+redirected=已重新導向
+new=新增
+read=已讀
+flagged=已標星號
+
+# for junk status picker in search and mail views
+junk=垃圾郵件
+
+# for junk score origin picker in search and mail views
+junkScoreOriginPlugin=外掛程式
+junkScoreOriginFilter=篩選條件
+junkScoreOriginWhitelist=白名單
+junkScoreOriginUser=使用者
+junkScoreOriginImapFlag=IMAP 標記
+
+# for the has attachment picker in search and mail views
+hasAttachments=內含附件
+
+# for the Tag picker in search and mail views.
+tag=標籤
+
+# LOCALIZATION NOTE(andOthers):
+# for multiple authors, add this abbreviation to the first author to indicate
+# there are more; for the From column in the threadpane message list.
+andOthers=等人
+
+# whether to also show phonetic fields in the addressbook
+# LOCALIZATION NOTE(mail.addr_book.show_phonetic_fields):
+# the only valid values are: true OR false (choose from the untranslated English words)
+mail.addr_book.show_phonetic_fields=true
+
+# valid format options are:
+# 1: yyyy/mm/dd
+# 2: yyyy/dd/mm
+# 3: mm/dd/yyyy
+# 4: mm/yyyy/dd
+# 5: dd/mm/yyyy
+# 6: dd/yyyy/mm
+#
+# 0: auto-detect the current locale format
+#    a separator has to be either '/', '-', '.' and the year in Christian year
+#    otherwise mm/dd/yyyy (option 3) is used
+#
+mailnews.search_date_format=0
+# separator for search date (e.g. "/", "-"), or empty when search_date_format is zero
+mailnews.search_date_separator=
+# leading zeros for day and month values, not used if mailnews.search_date_format is not zero
+mailnews.search_date_leading_zeros=true
+
+# offline msg
+nocachedbodybody2=並未自伺服器下載此訊息的內容供離線閱讀。若要閱讀此訊息，您必須先連線回網路，選擇「檔案」選單中的「離線」，並取消選取「離線模式」。您也可以選擇只離線閱讀某些訊息或郵件匣。如果要這麼做，請選擇「檔案」選單中的「離線」，並選擇「立刻下載/同步…」。您可以調整磁碟空間設定以避免下載到太大封的郵件。
+
+# LOCALIZATION NOTE(acctCentralTitleFormat): %1$S is brand, %2$S is account type, %3$S is account name
+acctCentralTitleFormat=%1$S %2$S - %3$S
+mailAcctType=郵件
+newsAcctType=新聞群組
+feedsAcctType=消息來源
+
+# LOCALIZATION NOTE(nocachedbodytitle): Do not translate "<TITLE>" or "</TITLE>" in the line below
+nocachedbodytitle=<TITLE>請連線以讀取此封郵件</TITLE>\n
+
+# mailWindowOverlay.js
+confirmUnsubscribeTitle=確認取消訂閱
+confirmUnsubscribeText=您確定要取消訂閱 %S 嗎？
+confirmUnsubscribeManyText=您確定要取消訂閱這些新聞群組嗎？
+restoreAllTabs=回復所有分頁
+
+confirmMarkAllFoldersReadTitle=將所有信件匣標示為已讀
+confirmMarkAllFoldersReadMessage=您確定要將此帳號所有信件匣中的所有郵件標示為已讀？
+
+# LOCALIZATION NOTE(junkBarMessage): %S is brand
+junkBarMessage=%S 覺得此訊息是垃圾信。
+junkBarButton=非垃圾郵件
+junkBarButtonKey=N
+junkBarInfoButton=了解更多
+junkBarInfoButtonKey=L
+
+# LOCALIZATION NOTE(remoteContentBarMessage): %S is brand
+remoteContentBarMessage=為了保護您的隱私，%S 已封鎖了此訊息中的遠端內容。
+remoteContentPrefLabel=選項
+remoteContentPrefAccesskey=O
+remoteContentPrefLabelUnix=偏好設定
+remoteContentPrefAccesskeyUnix=P
+
+# LOCALIZATION NOTE(remoteAllowResource): %S is origin
+remoteAllowResource=允許來自 %S 的遠端內容
+# LOCALIZATION NOTE(remoteAllowAll): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# #1 is the number of origins
+remoteAllowAll=允許上方列出的 #1 個來源的遠端內容
+
+phishingBarMessage=這可能是封詐騙信。
+phishingBarPrefLabel=選項
+phishingBarPrefAccesskey=O
+phishingBarPrefLabelUnix=偏好設定
+phishingBarPrefAccesskeyUnix=P
+
+mdnBarIgnoreButton=忽略要求
+mdnBarIgnoreButtonKey=n
+mdnBarSendReqButton=傳送回條
+mdnBarSendReqButtonKey=S
+
+draftMessageMsg=這是草稿。
+draftMessageButton=編輯
+draftMessageButtonKey=E
+
+# msgHdrViewOverlay.js
+openLabel=開啟
+openLabelAccesskey=O
+saveLabel=另存新檔…
+saveLabelAccesskey=a
+detachLabel=取出…
+detachLabelAccesskey=D
+deleteLabel=刪除
+deleteLabelAccesskey=e
+openFolderLabel=開啟所在資料夾
+openFolderLabelAccesskey=F
+deleteAttachments=下列附件會被永久刪除:\n%S\n這個動作無法反悔，確定要繼續嗎？
+detachAttachments=已成功儲存下列附件檔案，可以安全的從原始郵件中刪除:\n%S\n刪除後將無法反悔，確定要繼續嗎？
+deleteAttachmentFailure=無法刪除所選附件。
+emptyAttachment=這個附件是空白的。\n請向寄件者詢問。\n有些公司的防火牆或防毒軟體可能會移除附件。
+externalAttachmentNotFound=找不到分離檔案或鏈結附件，或是無法再於該位置開啟。
+
+# LOCALIZATION NOTE (attachmentCount): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# #1 number of attachments
+attachmentCount=#1 個附件
+
+# LOCALIZATION NOTE (attachmentCountSingle): This is the format for the
+# attachment header when a message has only one attachment. This is separate
+# from attachmentCount above, since attachmentCountSingle typically ends with a
+# colon.
+attachmentCountSingle=一個附件:
+
+# LOCALIZATION NOTE (attachmentSizeUnknown): The string to show for the total
+# size of all attachments when none of the attachments' sizes can be detected.
+attachmentSizeUnknown=未知大小
+
+# LOCALIZATION NOTE (attachmentSizeAtLeast): The string to show for the total
+# size of all attachments when at least one (but not all) of the attachments'
+# sizes can't be detected. %1$S is the formatted size.
+attachmentSizeAtLeast=至少 %1$S
+
+# This is the format for prepending accesskeys to the
+# each of the attachments in the file|attachments menu:
+#   ie: 1 file.txt
+#       2 another file.txt
+attachmentDisplayNameFormat=%S %S
+
+# This is the heading for the attachment summary when printing an email
+attachmentsPrintHeader=附件:
+
+# Connection Error Messages
+# LOCALIZATION NOTE(unknownHostError): %S is the server name
+unknownHostError=無法連線到伺服器 %S。
+# LOCALIZATION NOTE(connectionRefusedError): %S is the server name
+connectionRefusedError=伺服器 %S 拒絕連線。
+# LOCALIZATION NOTE(netTimeoutError): %S is the server name
+netTimeoutError=與伺服器 %S 的連線逾時。
+# LOCALIZATION NOTE(netResetError): %S is the server name
+netResetError=與伺服器 %S 的連線被重設。
+# LOCALIZATION NOTE(netInterruptError): %S is the server name
+netInterruptError=與伺服器 %S 的連線中斷。
+
+recipientSearchCriteria=主旨或收件者有:
+fromSearchCriteria=主旨或寄件者包含:
+
+# LOCALIZATION NOTE(biffNotification): %1$S is the number of new messages
+biffNotification_message=有 %1$S 封新郵件
+biffNotification_messages=有 %1$S 封新郵件
+
+# LOCALIZATION NOTE(newMailNotification_message): %1$S is the name of the account %2$S is the number of new messages
+newMailNotification_message=%1$S 收到了 %2$S 封新訊息
+
+# LOCALIZATION NOTE(newMailNotification_messages): %1$S is the name of the account %2$S is the number of new messages
+newMailNotification_messages=%1$S 收到了 %2$S 封新訊息
+
+# LOCALIZATION NOTE(newMailNotification_messagetitle): %1$S is subject of new message and %2$S is sender of new message.
+# This is UNIX only
+newMailNotification_messagetitle=來自 %2$S 的 %1$S
+
+# LOCALIZATION NOTE(newMailAlert_message):
+# Semi-colon list of plural forms. See:
+# https://developer.mozilla.org/en/docs/Localization_and_Plurals
+# #1 is the name of the account, #2 is the number of new messages
+newMailAlert_message=#1 收到 #2 封新訊息
+
+# For the Quota tab in the mail folder properties dialog
+quotaPercentUsed=已用 %S%%
+# for quota in main window (commandglue.js)
+percent=%S%%
+quotaTooltip2=IMAP 配額：已用 %S，共計 %S。點擊此處檢視詳細資訊。
+
+# for message views
+confirmViewDeleteTitle=確認
+confirmViewDeleteMessage=您確定要刪除此分頁？
+
+# for virtual folders
+confirmSavedSearchTitle=確認刪除
+confirmSavedSearchDeleteMessage=確定要刪除此即時搜尋資料夾嗎？
+
+## @name ENTER_PASSWORD_PROMPT
+## @loc None
+# LOCALIZATION NOTE (passwordPrompt): Do not translate the word %S below.
+# Place the word "%S" in your translation where the email address
+# or the username should appear
+passwordPrompt=輸入 %1$S 在 %2$S 上的密碼:
+
+## @name ENTER_PASSWORD_PROMPT_TITLE
+## @loc None
+passwordTitle=需要郵件伺服器密碼
+
+# for checking if the user really wants to open lots of messages in separate windows.
+openWindowWarningTitle=確認
+# LOCALIZATION NOTE (openWindowWarningConfirmation): Semi-colon list of plural forms.
+# #1 is the number of messages the user is attempting to open.
+openWindowWarningConfirmation=一次開啟 #1 封訊息可能會很緩慢，要繼續嗎？
+
+# for checking if the user really wants to open lots of messages in tabs.
+openTabWarningTitle=確認
+# LOCALIZATION NOTE (openTabWarningConfirmation): Semi-colon list of plural forms.
+# #1 is the number of messages the user is attempting to open.
+openTabWarningConfirmation=一次開啟 #1 封訊息可能會很緩慢，要繼續嗎？
+
+# for warning the user that a tag they're trying to create already exists
+tagExists=此標籤名稱已存在。
+
+# title of the edit tag dialog
+editTagTitle=編輯標籤
+
+# for the virtual folder list dialog title
+# %S is the name of the saved search folder
+editVirtualFolderPropertiesTitle=編輯即時搜尋 %S 的設定
+# LOCALIZATION NOTE (foldersChosen): #1 number of chosen folders
+virtualFolderSourcesChosen=選擇了 #1 個信件匣
+
+#alert to inform the user to choose one or more folders to search for a saved search folder
+alertNoSearchFoldersSelected=要建立即時搜尋資料夾請先選取一個以上的資料夾。
+
+# These are displayed in the message and folder pane windows
+# LOCALIZATION NOTE %.*f is the abbreviated size in the appropriate units
+byteAbbreviation2=%.*f 位元組
+kiloByteAbbreviation2=%.*f KB
+megaByteAbbreviation2=%.*f MB
+gigaByteAbbreviation2=%.*f GB
+teraByteAbbreviation2=%.*f TB
+petaByteAbbreviation2=%.*f PB
+
+## LOCALIZATION NOTE(folderWithAccount):
+## This is used to show folder name together with an account name.
+## %1$S = folder name
+## %2$S = account name
+folderWithAccount=%1$S - %2$S
+## LOCALIZATION NOTE(folderWithUnreadMsgs):
+## This is a concatenation of two strings to compose a folder label with unread messages.
+## %1$S = folder name
+## %2$S = count of unread messages
+folderWithUnreadMsgs=%1$S（%2$S）
+## LOCALIZATION NOTE(summarizedValue):
+## This string shows an indication that the value shown is actually a summary
+## accumulated from all subfolders.
+## %S = summarized value from all subfolders
+folderSummarizedSymbolValue=▾%S
+## LOCALIZATION NOTE(subfoldersExplanation):
+## This is a tooltip message shown on the values in the numeric folder pane columns.
+## %1$S = is the count of messages having the respective property, found in the folder under mouse cursor
+## %2$S = is the count of messages having the respective property, found in subfolders of the folder under mouse cursor
+subfoldersExplanation=此資料夾中 %1$S 封，子資料夾中 %2$S 封
+
+# Error message if message for a message id wasn't found
+errorOpenMessageForMessageIdTitle=開啟 message-id 失敗
+errorOpenMessageForMessageIdMessage=找不到郵件的 message-id %S
+
+# Warnings to alert users about phishing urls
+confirmPhishingTitle=詐騙郵件警告
+linkMismatchTitle=偵測到不符合的鏈結
+#LOCALIZATION NOTE %1$S is the brand name, %2$S is the host name of the url being visited
+confirmPhishingUrl=%1$S 認為這封郵件是詐騙郵件。郵件內的鏈結可能假裝成某些網頁欺騙您，您確定要連線到「%2$S」嗎？
+#LOCALIZATION NOTE %1$S is the host name of indicated host, %2$S is the host name of the actual host.
+confirmPhishingUrlAlternate=您點擊的鏈結會開啟不是文字上所顯示的網站。有的時候這樣做只是用來追蹤您有沒有點擊鏈結；而有的時候也可能代表這是詐騙郵件。\n\n鏈結文字顯示要去的是 %1$S，但實際上會鏈結到 %2$S。
+#LOCALIZATION NOTE $1$S is the host name of the indicated host.
+confirmPhishingGoAhead=還是前往 %1$S
+#LOCALIZATION NOTE %1$S is the host name that was displayed to the user.
+confirmPhishingGoDirect=前往 %1$S
+
+# Check for Updates
+# LOCALIZATION NOTE (updatesItem_*): these are alternative labels for Check for Update item in Help menu.
+# Which one is used depends on Update process state.
+updatesItem_default=檢查更新…
+updatesItem_defaultFallback=檢查更新…
+updatesItem_default.accesskey=C
+updatesItem_downloading=正在下載 %S…
+updatesItem_downloadingFallback=正在下載更新…
+updatesItem_downloading.accesskey=D
+updatesItem_resume=繼續下載 %S…
+updatesItem_resumeFallback=繼續下載更新…
+updatesItem_resume.accesskey=D
+updatesItem_pending=立即套用已下載的更新檔…
+updatesItem_pendingFallback=立即套用已下載的更新檔…
+updatesItem_pending.accesskey=d
+
+# Folder Pane Header Title Strings
+folderPaneModeHeader_all=所有資料夾
+folderPaneModeHeader_unread=未讀資料夾
+folderPaneModeHeader_favorite=最愛資料夾
+folderPaneModeHeader_recent=最近開啟資料夾
+folderPaneModeHeader_smart=整合資料夾
+unifiedAccountName=整合資料夾
+
+# Copy / Move to Folder Again
+#LOCALIZATION NOTE %1$S is the name of the folder we will move to. moveToFolderAgainAccessKey
+# should have the same value as copyToFolderAgainAccessKey as they are the same menu item in the UI
+# moveToFolderAgainAccessKey should also be a letter that occurs before %1$S
+moveToFolderAgain=再次移動到「%1$S」
+moveToFolderAgainAccessKey=t
+#LOCALIZATION NOTE %1$S is the name of the folder we will copy to
+# copyToFolderAgainAccessKey
+# should have the same value as moveToFolderAgainAccessKey as they are the same menu item in the UI
+# copyToFolderAgainAccessKey should also be a letter that occurs before %1$S
+copyToFolderAgain=再次複製到「%1$S」
+copyToFolderAgainAccessKey=t
+
+#LOCALIZATION NOTE(mdnBarMessageNormal) %1$S is the name of the sender
+mdnBarMessageNormal=%1$S 希望您在閱讀此訊息後傳送回條通知。
+#LOCALIZATION NOTE(mdnBarMessageAddressDiffers) %1$S is the name of the sender, %2$S is the address(es) to send return receipt to
+mdnBarMessageAddressDiffers=%1$S（%2$S）要求在您讀取這封郵件後被通知。
+
+# mailCommands.js
+emptyJunkFolderTitle=清空「%S」
+emptyJunkFolderMessage=刪除垃圾信件匣中的所有訊息與子資料夾？
+emptyJunkDontAsk=不要再問我。
+emptyTrashFolderTitle=清空「%S」
+emptyTrashFolderMessage=刪除垃圾桶中的所有訊息與子資料夾？
+emptyTrashDontAsk=不要再問我。
+
+# junkCommands.js
+junkAnalysisPercentComplete=垃圾分析 %S 完成
+processingJunkMessages=篩選垃圾郵件中
+
+# Messenger bootstrapping messages
+fileNotFoundTitle = 找不到檔案
+#LOCALIZATION NOTE(fileNotFoundMsg): %S is the filename
+fileNotFoundMsg = 檔案 %S 並不存在。
+
+fileEmptyTitle = 空白檔案
+#LOCALIZATION NOTE(fileEmptyMsg): %S is the filename
+fileEmptyMsg = 檔案 %S 是空的。
+
+# LOCALIZATION NOTE (headerMoreAddrs): semicolon separated list of plural
+# forms of the word "more" as used after the number of addresses
+# currently hidden while displaying a header such as "to", "cc", or "bcc"
+# in the message header box.  English has two identical forms here, so it will
+# construct strings that look like (for example) "1 more" or "20 more".
+# <https://developer.mozilla.org/en/Localization_and_Plurals> has details
+# on this mechanism.
+headerMoreAddrs=還有 #1 個
+
+# LOCALIZATION NOTE (headerMoreAddrsTooltip): semicolon separated list of
+# plural forms of the phrase ", and #1 more" as used in the tooltip text
+# of the more widget displayed in the header pane (see headerMoreAddrs).
+# English has two identical forms here, so it will construct strings that
+# look like (for example) ", and 1 more" or ", and 20 more".
+# <https://developer.mozilla.org/en/Localization_and_Plurals> has details
+# on this mechanism.
+headerMoreAddrsTooltip=還有 #1 個
+
+# LOCALIZATION NOTE (headertoFieldMe): first person prepositional object
+# pronoun used in the "to" header of the message header pane.  This is also
+# used for the fallback case if a header-specific localization is not
+# available.
+headertoFieldMe=我
+
+# LOCALIZATION NOTE (headerfromFieldMe): first person prepositional object
+# pronoun used in the "from" header of the message header pane.
+headerfromFieldMe=我
+
+# LOCALIZATION NOTE (headerreply-toFieldMe): first person prepositional
+# object pronoun used in the "reply-to" header of the message header pane.
+headerreply-toFieldMe=我
+
+# LOCALIZATION NOTE (headerccFieldMe): first person prepositional object
+# pronoun used in the "cc" header of the message header pane.
+headerccFieldMe=我
+
+# LOCALIZATION NOTE (headerbccFieldMe): first person prepositional object
+# pronoun used in the "bcc" header of the message header pane.
+headerbccFieldMe=我
+
+expandAttachmentPaneTooltip=顯示附件窗格
+collapseAttachmentPaneTooltip=隱藏附件窗格
+
+# Shown when content tabs are being loaded.
+loadingTab=載入中…
+
+confirmMsgDelete.title=確認刪除
+confirmMsgDelete.collapsed.desc=將會刪除被摺疊的討論串中的訊息，您確定要繼續嗎？
+confirmMsgDelete.deleteNoTrash.desc=將不會儲存副本至垃圾桶直接刪除訊息，您確定要繼續嗎？
+confirmMsgDelete.deleteFromTrash.desc=將會永久清除垃圾桶中的訊息，您確定要繼續嗎？
+confirmMsgDelete.dontAsk.label=不要再問我。
+confirmMsgDelete.delete.label=刪除
+
+mailServerLoginFailedTitle=登入失敗
+# LOCALIZATION NOTE (mailServerLoginFailedTitleWithAccount):
+# "%S" is the account name.
+mailServerLoginFailedTitleWithAccount=「%S」帳號登入失敗
+# LOCALIZATION NOTE (mailServerLoginFailed2):
+# %1$S is the host name of the server, %2$S is the user name.
+mailServerLoginFailed2=以使用者名稱 %2$S 登入帳號 %1$S 失敗。
+mailServerLoginFailedRetryButton=重試 (&R)
+mailServerLoginFailedEnterNewPasswordButton=輸入新密碼(&E)
+
+# LOCALIZATION NOTE (threadPane.columnPicker.confirmFolder.noChildren.title):
+# When the user selects a folder to apply the currently displayed columns to
+# via the "columnPicker.applyToFolder.label" menu option, this is the title of
+# the confirmation dialog used to verify they selected the correct folder.  This
+# is the case in which we apply the columns only to the folder and not to any of
+# its children.
+threadPane.columnPicker.confirmFolder.noChildren.title=套用變更？
+# LOCALIZATION NOTE (threadPane.columnPicker.confirmFolder.noChildren.message):
+# When the user selects a folder to apply the currently displayed columns to
+# via the "columnPicker.applyToFolder.label" menu option, this is the text of
+# the confirmation dialog used to verify they selected the correct folder.  The
+# string '%S' is replaced with the name of the folder the user selected in
+# order to help them confirm they picked what they thought they picked.  This
+# is the case in which we apply the columns only to the folder and not to any of
+# its children.
+threadPane.columnPicker.confirmFolder.noChildren.message=套用目前資料夾的欄位到 %S？
+
+# LOCALIZATION NOTE (threadPane.columnPicker.confirmFolder.withChildren.title):
+# When the user selects a folder to apply the currently displayed columns to via
+# the "columnPicker.applyToFolderAndChildren.label" menu option, this is the
+# title of the confirmation dialog used to verify they selected the correct
+# folder.  This is the case in which we apply the columns to the folder and all
+# of its children.
+threadPane.columnPicker.confirmFolder.withChildren.title=套用變更？
+# LOCALIZATION NOTE (threadPane.columnPicker.confirmFolder.withChildren.message):
+# When the user selects a folder to apply the currently displayed columns to via
+# the "columnPicker.applyToFolderAndChildren.label" menu option, this is the
+# text of the confirmation dialog used to verify they selected the correct
+# folder.  The string '%S' is replaced with the name of the folder the user
+# selected in order to help them confirm they picked what they thought they
+# picked.  This is the case in which we apply the columns to the folder and all
+# of its children.
+threadPane.columnPicker.confirmFolder.withChildren.message=套用目前資料夾的欄位到 %S 和它的子資料夾？
+
+# LOCALIZATION NOTE (lwthemeInstallRequest.message): %S will be replaced with
+# the host name of the site.
+lwthemeInstallRequest.message=此網站（%S）嘗試安裝佈景主題。
+lwthemeInstallRequest.allowButton=允許
+lwthemeInstallRequest.allowButton.accesskey=A
+
+lwthemePostInstallNotification.message=已安裝新的佈景主題。
+lwthemePostInstallNotification.undoButton=復原
+lwthemePostInstallNotification.undoButton.accesskey=U
+lwthemePostInstallNotification.manageButton=管理佈景主題…
+lwthemePostInstallNotification.manageButton.accesskey=M
+
+# troubleshootModeRestart
+troubleshootModeRestartPromptTitle=重新啟動到疑難排解模式
+troubleshootModeRestartPromptMessage=疑難排解模式將停用所有附加元件，並暫時將某些偏好設定調整回預設值。\n您確定要重新啟動嗎？
+troubleshootModeRestartButton=重新啟動
+
+# LOCALIZATION NOTE (downloadAndInstallButton.label): %S is replaced by the
+# version of the update: "Update to 28.0".
+update.downloadAndInstallButton.label=更新至 %S
+update.downloadAndInstallButton.accesskey=U
+
+# Sanitize
+# LOCALIZATION NOTE (sanitizeDialog2.everything.title): When "Time range to
+# clear" is set to "Everything", the Clear Recent History dialog's title is
+# changed to this.  See UI mockup and comment 11 at bug 480169 -->
+sanitizeDialog2.everything.title=清除所有歷史記錄
+sanitizeButtonOK=立刻清除
+# LOCALIZATION NOTE (sanitizeEverythingWarning2): Warning that appears when
+# "Time range to clear" is set to "Everything" in Clear Recent History dialog,
+# provided that the user has not modified the default set of history items to clear.
+sanitizeEverythingWarning2=所有歷史記錄都會被清除。
+# LOCALIZATION NOTE (sanitizeSelectedWarning): Warning that appears when
+# "Time range to clear" is set to "Everything" in Clear Recent History dialog,
+# provided that the user has modified the default set of history items to clear.
+sanitizeSelectedWarning=將清除所有選擇的項目。
+
+learnMoreAboutIgnoreThread=更多資訊…
+learnMoreAboutIgnoreThreadAccessKey = L
+undoIgnoreThread=還原忽略討論串
+undoIgnoreThreadAccessKey=U
+undoIgnoreSubthread=還原忽略子討論串
+undoIgnoreSubthreadAccessKey=U
+# LOCALIZATION NOTE (ignoredThreadFeedback): #1 is the message thread title
+ignoredThreadFeedback=將不會顯示討論串「#1」的回覆內容。
+# LOCALIZATION NOTE (ignoredSubthreadFeedback): #1 is the message subthread title
+ignoredSubthreadFeedback=將不會顯示子討論串「#1」的回覆內容。
+# LOCALIZATION NOTE (ignoredThreadsFeedback): Semi-colon list of plural forms.
+# #1 is the number of threads
+ignoredThreadsFeedback=將不會顯示所選擇的 #1 個討論串的回覆內容。
+# LOCALIZATION NOTE (ignoredSubthreadsFeedback): Semi-colon list of plural forms.
+# #1 is number of subthreads
+ignoredSubthreadsFeedback=將不會顯示所選擇的 #1 個子討論串的回覆內容。
+# LOCALIZATION NOTE (saveAsType): replace %S with the extension of the file to be saved.
+saveAsType=%S 檔案
+
+# LOCALIZATION NOTE (openSearch.label): The label used in the autocomplete
+# widget to refer to a search on the web for a short string containing at most
+# 15 characters. %1$S is the search provider to use. %2$S is the string to
+# search for.
+openSearch.label=以 %1$S 搜尋「%2$S」
+
+# LOCALIZATION NOTE (openSearch.label.truncated): The label used in the
+# autocomplete widget to refer to a search on the web for a short string
+# containing more than 15 characters. %1$S is the search provider to use. %2$S
+# is the string to search for, truncated to 15 characters.
+openSearch.label.truncated=以 %1$S 搜尋「%2$S」…
+
+# LOCALIZATION NOTE (aboutDialog.architecture.*):
+# The sixtyFourBit and thirtyTwoBit strings describe the architecture of the
+# current Thunderbird build: 32-bit or 64-bit. These strings are used in parentheses
+# after the Thunderbird version in the About dialog,
+# e.g.: "48.0.2 (32-bit)" or "51.0a1 (2016-09-05) (64-bit)".
+aboutDialog.architecture.sixtyFourBit = 64 位元
+aboutDialog.architecture.thirtyTwoBit = 32 位元
+
+errorConsoleTitle = 錯誤主控台
+
+# LOCALIZATION NOTE (panel.back):
+# This is used by screen readers to label the "back" button in various browser
+# popup panels, including the sliding subviews of the appmenu.
+panel.back = 上一頁
+
+# LOCALIZATION NOTE (folderErrorAlertTitle):
+# %S is a pretty string to identify the folder and account.
+# EXAMPLE: Error - Inbox on bob@example.com
+folderErrorAlertTitle = 錯誤 - %S
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdAdvancedEdit.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdAdvancedEdit.dtd
new file mode 100644
index 0000000000..24fa0eea16
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdAdvancedEdit.dtd
@@ -0,0 +1,19 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY WindowTitle.label              "進階屬性編輯器">
+<!ENTITY AttName.label                  "屬性:">
+<!ENTITY AttValue.label                 "內含值:">
+<!ENTITY PropertyName.label             "屬性:">
+<!ENTITY currentattributesfor.label     "目前屬性:">
+<!ENTITY tree.attributeHeader.label     "屬性">
+<!ENTITY tree.propertyHeader.label      "屬性">
+<!ENTITY tree.valueHeader.label         "值">
+<!ENTITY tabHTML.label                  "HTML 屬性">
+<!ENTITY tabCSS.label                   "行內樣式">
+<!ENTITY tabJSE.label                   "JavaScript 事件">
+
+<!ENTITY editAttribute.label    "選擇上面的項目以編輯設定值">
+<!ENTITY removeAttribute.label  "移除">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdColorPicker.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdColorPicker.dtd
new file mode 100644
index 0000000000..7c40c09e01
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdColorPicker.dtd
@@ -0,0 +1,22 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY windowTitle.label "色彩">
+<!ENTITY lastPickedColor.label "上次使用的色彩">
+<!ENTITY lastPickedColor.accessKey "L">
+<!ENTITY chooseColor1.label "選擇色彩:">
+<!ENTITY chooseColor2.label "輸入 HTML 色彩字串">
+<!ENTITY chooseColor2.accessKey "H">
+<!ENTITY setColorExample.label "（如:「#0000ff」或是「blue」）:">
+<!ENTITY default.label "預設">
+<!ENTITY default.accessKey "D">
+<!ENTITY palette.label "調色盤:">
+<!ENTITY standardPalette.label "標準">
+<!ENTITY webPalette.label "所有網頁色彩">
+<!ENTITY background.label "背景:">
+<!ENTITY background.accessKey "B">
+<!ENTITY table.label "表格">
+<!ENTITY table.accessKey "T">
+<!ENTITY cell.label "儲存格">
+<!ENTITY cell.accessKey "C">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdConvertToTable.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdConvertToTable.dtd
new file mode 100644
index 0000000000..bd53e66984
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdConvertToTable.dtd
@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "轉換為表格">
+<!ENTITY instructions1.label   "編輯會從已選範圍的每段為一列來建立表格。">
+<!ENTITY instructions2.label   "選擇用來分欄的字元:">
+<!ENTITY commaRadio.label      "逗號">
+<!ENTITY spaceRadio.label      "空白">
+<!ENTITY otherRadio.label      "其它字元:">
+<!ENTITY deleteCharCheck.label "刪除分隔字元">
+<!ENTITY collapseSpaces.label  "忽略額外的空白">
+<!ENTITY collapseSpaces.tooltip "轉換臨近的空白為單一分隔字元">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdDialogOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdDialogOverlay.dtd
new file mode 100644
index 0000000000..0a37092fcd
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdDialogOverlay.dtd
@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY AdvancedEditButton.label "進階編輯…">
+<!ENTITY AdvancedEditButton.accessKey "E">
+<!ENTITY AdvancedEditButton.tooltip "新增或編輯這個物件的 HTML 屬性、樣式資料，以及 JavaScript">
+<!ENTITY chooseFileButton.label "選擇檔案…">
+<!ENTITY chooseFileButton.accessKey "F">
+<!ENTITY chooseFileLinkButton.label "選擇檔案…">
+<!ENTITY chooseFileLinkButton.accessKey "o">
+<!ENTITY makeUrlRelative.label "網址 URL 是相對於此網頁位置">
+<!ENTITY makeUrlRelative.accessKey "r">
+<!ENTITY makeUrlRelative.tooltip "相對與絕對路徑的轉換。您要先存檔才能改變此頁。">
+
+<!ENTITY LinkURLEditField2.label "輸入網址、本機檔案路徑，或從右鍵選單中選擇一個錨點或是標題:">
+<!ENTITY LinkURLEditField2.accessKey "w">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdNamedAnchorProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdNamedAnchorProperties.dtd
new file mode 100644
index 0000000000..e8dcfb1b7d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EdNamedAnchorProperties.dtd
@@ -0,0 +1,11 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY windowTitle.label "錨點內容">
+<!ENTITY anchorNameEditField.label "錨點名稱:">
+<!ENTITY anchorNameEditField.accessKey "N">
+<!ENTITY nameInput.tooltip "請輸入一個不會與其它錨點（目標）重複的名稱">
+
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorColorProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorColorProperties.dtd
new file mode 100644
index 0000000000..6134cfa779
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorColorProperties.dtd
@@ -0,0 +1,29 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "頁面色彩與背景">
+<!ENTITY pageColors.label "頁面色彩">
+<!ENTITY defaultColorsRadio.label "使用瀏覽器的色彩設定(本網頁不指定色彩)">
+<!ENTITY defaultColorsRadio.accessKey "D">
+<!ENTITY defaultColorsRadio.tooltip "只使用閱讀者的瀏覽器的設定">
+<!ENTITY customColorsRadio.label "使用者自訂色彩:">
+<!ENTITY customColorsRadio.accessKey "C">
+<!ENTITY customColorsRadio.tooltip "這些色彩設定會取代瀏覽器的設定">
+
+<!ENTITY normalText.label "一般文字">
+<!ENTITY normalText.accessKey "N">
+<!ENTITY linkText.label "未瀏覽過的鏈結文字:">
+<!ENTITY linkText.accessKey "L">
+<!ENTITY activeLinkText.label "被點選的鏈結文字色彩:">
+<!ENTITY activeLinkText.accessKey "A">
+<!ENTITY visitedLinkText.label "已瀏覽過的鏈結文字:">
+<!ENTITY visitedLinkText.accessKey "V">
+<!ENTITY background.label "背景:">
+<!ENTITY background.accessKey "B">
+<!ENTITY colon.character ":">
+<!ENTITY backgroundImage.label "背景圖片檔:">
+<!ENTITY backgroundImage.accessKey "m">
+<!ENTITY backgroundImage.tooltip "使用圖檔做為網頁的背景">
+<!ENTITY backgroundImage.shortenedDataURI "短資料網址（複製時將會複製完整的網址）">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorHLineProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorHLineProperties.dtd
new file mode 100644
index 0000000000..dca5b66f4b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorHLineProperties.dtd
@@ -0,0 +1,28 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "水平線屬性">
+
+<!ENTITY dimensionsBox.label "大小">
+<!ENTITY heightEditField.label "高度:">
+<!ENTITY heightEditField.accessKey "G">
+<!ENTITY widthEditField.label "寬度:">
+<!ENTITY widthEditField.accessKey "W">
+<!ENTITY pixelsPopup.value "圖素">
+<!ENTITY alignmentBox.label "對齊">
+<!ENTITY leftRadio.label "靠左">
+<!ENTITY leftRadio.accessKey "L">
+<!ENTITY centerRadio.label "置中">
+<!ENTITY centerRadio.accessKey "C">
+<!ENTITY rightRadio.label "靠右">
+<!ENTITY rightRadio.accessKey "R">
+
+<!ENTITY threeDShading.label "3D 立體效果">
+<!ENTITY threeDShading.accessKey "S">
+<!ENTITY saveSettings.label "設為預設值">
+<!ENTITY saveSettings.accessKey "D">
+<!ENTITY saveSettings.tooltip "儲存設定以供日後插入水平線時使用">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorImageProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorImageProperties.dtd
new file mode 100644
index 0000000000..57eba3dbb3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorImageProperties.dtd
@@ -0,0 +1,79 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- These strings are for use specifically in the editor's image and form image dialogs. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "圖片屬性">
+
+<!ENTITY pixelsPopup.value "圖素">
+
+<!-- These are in the Location tab panel -->
+<!ENTITY locationEditField.label "圖片位置:">
+<!ENTITY locationEditField.accessKey "L">
+<!ENTITY locationEditField.tooltip "輸入圖片檔的檔名路徑或網址">
+<!ENTITY locationEditField.shortenedDataURI "短資料網址（複製時將會複製完整的網址）">
+<!ENTITY title.label "提示文字:">
+<!ENTITY title.accessKey "T">
+<!ENTITY title.tooltip "顯示 HTML 屬性 'title'  為提示文字(tooltip)">
+<!ENTITY altText.label "替代文字:">
+<!ENTITY altText.accessKey "A">
+<!ENTITY altTextEditField.tooltip "輸入出現在圖片位置的文字">
+<!ENTITY noAltText.label "不要使用替代文字">
+<!ENTITY noAltText.accessKey "D">
+
+<!ENTITY previewBox.label "圖片預覽">
+
+<!-- These controls are in the Dimensions tab panel -->
+<!-- actualSize.label should be same as actualSizeRadio.label + ":" -->
+<!ENTITY actualSize.label "實際大小:">
+<!ENTITY actualSizeRadio.label "實際大小">
+<!ENTITY actualSizeRadio.accessKey "A">
+<!ENTITY actualSizeRadio.tooltip "使用此圖片的原始大小">
+<!ENTITY customSizeRadio.label "自定大小">
+<!ENTITY customSizeRadio.accessKey "S">
+<!ENTITY customSizeRadio.tooltip "改變此圖片顯示時的大小">
+<!ENTITY heightEditField.label "高度:">
+<!ENTITY heightEditField.accessKey "G">
+<!ENTITY widthEditField.label "寬度:">
+<!ENTITY widthEditField.accessKey "W">
+<!ENTITY constrainCheckbox.label "固定長寬比">
+<!ENTITY constrainCheckbox.accessKey "C">
+<!ENTITY constrainCheckbox.tooltip "維護此圖片的長寬比">
+
+<!-- These controls are in the Image Map box of the expanded area -->
+<!ENTITY imagemapBox.label "影像地圖">
+<!ENTITY removeImageMapButton.label "移除">
+<!ENTITY removeImageMapButton.accessKey "R">
+
+<!-- These are the options for image alignment -->
+<!ENTITY alignment.label "文字對齊圖片方式:">
+<!ENTITY bottomPopup.value "底部">
+<!ENTITY topPopup.value "頂端">
+<!ENTITY centerPopup.value "中間">
+<!ENTITY wrapRightPopup.value "圖片右邊">
+<!ENTITY wrapLeftPopup.value "圖片左邊">
+
+<!-- These controls are in the Spacing Box -->
+<!ENTITY spacingBox.label "空白">
+<!ENTITY leftRightEditField.label "左右兩邊">
+<!ENTITY leftRightEditField.accessKey "L">
+<!ENTITY topBottomEditField.label "頂端和底部:">
+<!ENTITY topBottomEditField.accessKey "T">
+<!ENTITY borderEditField.label "實心框線:">
+<!ENTITY borderEditField.accessKey "B">
+
+<!-- These controls are in the Link Box -->
+<!ENTITY showImageLinkBorder.label "在鏈結圖片外加框">
+<!ENTITY showImageLinkBorder.accessKey "B">
+<!ENTITY LinkAdvancedEditButton.label "進階編輯鏈結…">
+<!ENTITY LinkAdvancedEditButton.accessKey "L">
+<!ENTITY LinkAdvancedEditButton.tooltip "新增或編輯這個物件的 HTML 屬性、樣式資料，以及 JavaScript">
+
+<!-- These tabs are currently used in the image input dialog -->
+<!ENTITY imageInputTab.label "表單">
+<!ENTITY imageLocationTab.label "地點">
+<!ENTITY imageDimensionsTab.label "大小">
+<!ENTITY imageAppearanceTab.label "外觀設定">
+<!ENTITY imageLinkTab.label "鏈結">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertChars.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertChars.dtd
new file mode 100644
index 0000000000..a6af7d5cd0
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertChars.dtd
@@ -0,0 +1,20 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "插入字元">
+<!ENTITY category.label "類別">
+<!ENTITY letter.label "字母:">
+<!ENTITY letter.accessKey "L">
+<!ENTITY character.label "字元:">
+<!ENTITY character.accessKey "C">
+<!ENTITY accentUpper.label "大寫腔調字母">
+<!ENTITY accentLower.label "小寫腔調字母">
+<!ENTITY otherUpper.label "其它大寫符號">
+<!ENTITY otherLower.label "其它小寫符號">
+<!ENTITY commonSymbols.label "一般符號">
+<!ENTITY insertButton.label "插入">
+<!ENTITY closeButton.label "關閉">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertMath.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertMath.dtd
new file mode 100644
index 0000000000..5f637d1cb2
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertMath.dtd
@@ -0,0 +1,22 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "插入數學公式">
+
+<!ENTITY sourceEditField.label "輸入 LaTeX 原始碼:">
+
+<!ENTITY options.label "選項">
+<!ENTITY optionInline.label "行內模式">
+<!ENTITY optionInline.accesskey "N">
+<!ENTITY optionDisplay.label "顯示模式">
+<!ENTITY optionDisplay.accesskey "D">
+<!ENTITY optionLTR.label "從左至右">
+<!ENTITY optionLTR.accesskey "L">
+<!ENTITY optionRTL.label "從右至左">
+<!ENTITY optionRTL.accesskey "R">
+
+<!ENTITY insertButton.label "插入">
+<!ENTITY insertButton.accesskey "I">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertSource.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertSource.dtd
new file mode 100644
index 0000000000..939b3cec5a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertSource.dtd
@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "插入 HTML">
+<!ENTITY sourceEditField.label "輸入 HTML 標籤與文字:">
+<!ENTITY example.label "範例:">
+<!-- LOCALIZATION NOTE (exampleOpenTag.label): DONT_TRANSLATE: they are text for HTML tagnames: "<i>" and "</i>" -->
+<!ENTITY exampleOpenTag.label "&lt;i&gt;">
+<!-- LOCALIZATION NOTE (exampleCloseTag.label): DONT_TRANSLATE: they are text for HTML tagnames: "<i>" and "</i>" -->
+<!ENTITY exampleCloseTag.label "&lt;/i&gt;">
+<!ENTITY exampleText.label "Hello World!">
+<!ENTITY insertButton.label "插入">
+<!ENTITY insertButton.accesskey "I">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertTOC.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertTOC.dtd
new file mode 100644
index 0000000000..061d85b2a2
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertTOC.dtd
@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY Window.title        "目錄">
+<!ENTITY buildToc.label      "由此來源建立表格:">
+<!ENTITY tag.label           "標籤:">
+<!ENTITY class.label         "Class:">
+<!ENTITY header1.label       "第 1 級">
+<!ENTITY header2.label       "第 2 級">
+<!ENTITY header3.label       "第 3 級">
+<!ENTITY header4.label       "第 4 級">
+<!ENTITY header5.label       "第 5 級">
+<!ENTITY header6.label       "第 6 級">
+<!ENTITY makeReadOnly.label  "設表格內容為唯讀">
+<!ENTITY orderedList.label   "用數字依序幫表格內容編號">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertTable.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertTable.dtd
new file mode 100644
index 0000000000..e50cc21e2b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorInsertTable.dtd
@@ -0,0 +1,19 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "插入表格">
+
+<!ENTITY size.label "大小">
+<!ENTITY numRowsEditField.label "列:">
+<!ENTITY numRowsEditField.accessKey "R">
+<!ENTITY numColumnsEditField.label "欄:">
+<!ENTITY numColumnsEditField.accessKey "C">
+<!ENTITY widthEditField.label "寬度:">
+<!ENTITY widthEditField.accessKey "W">
+<!ENTITY borderEditField.label "框線:">
+<!ENTITY borderEditField.accessKey "B">
+<!ENTITY borderEditField.tooltip "輸入表格框線的寬度 (0 為無框線)">
+<!ENTITY pixels.label "圖素">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorLinkProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorLinkProperties.dtd
new file mode 100644
index 0000000000..471b13e768
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorLinkProperties.dtd
@@ -0,0 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY windowTitle.label "鏈結屬性">
+<!ENTITY LinkURLBox.label "鏈結到:">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorListProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorListProperties.dtd
new file mode 100644
index 0000000000..bbe01b1af3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorListProperties.dtd
@@ -0,0 +1,21 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "清單屬性">
+
+<!ENTITY ListType.label "清單(List)型式:">
+<!ENTITY bulletStyle.label "項目符號樣式:">
+<!ENTITY startingNumber.label "開始編號:">
+<!ENTITY startingNumber.accessKey "S">
+<!ENTITY none.value "無">
+<!ENTITY bulletList.value "符號式(無編號, DL)">
+<!ENTITY numberList.value "編號式(OL)">
+<!ENTITY definitionList.value "定義式(DL)">
+<!ENTITY changeEntireListRadio.label "改變整個清單">
+<!ENTITY changeEntireListRadio.accessKey "C">
+<!ENTITY changeSelectedRadio.label "只改變所選的項目">
+<!ENTITY changeSelectedRadio.accessKey "I">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorPersonalDictionary.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorPersonalDictionary.dtd
new file mode 100644
index 0000000000..e31dbfb17a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorPersonalDictionary.dtd
@@ -0,0 +1,19 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "個人自訂字庫">
+
+<!ENTITY wordEditField.label "新增:">
+<!ENTITY wordEditField.accessKey "N">
+<!ENTITY AddButton.label "新增">
+<!ENTITY AddButton.accessKey "A">
+<!ENTITY DictionaryList.label "字庫中的單字:">
+<!ENTITY DictionaryList.accessKey "W">
+<!ENTITY RemoveButton.label "移除">
+<!ENTITY RemoveButton.accessKey "e">
+
+<!ENTITY CloseButton.label "關閉">
+<!ENTITY CloseButton.accessKey "C">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorReplace.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorReplace.dtd
new file mode 100644
index 0000000000..00e3d79014
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorReplace.dtd
@@ -0,0 +1,29 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from EdReplace.xul -->
+
+<!-- extracted from EdReplace.xhtml -->
+
+<!ENTITY replaceDialog.title "尋找並取代">
+<!ENTITY findField.label "尋找文字:">
+<!ENTITY findField.accesskey "n">
+<!ENTITY replaceField.label "取代為:">
+<!ENTITY replaceField.accesskey "e">
+<!ENTITY caseSensitiveCheckbox.label "區分大小寫">
+<!ENTITY caseSensitiveCheckbox.accesskey "c">
+<!ENTITY wrapCheckbox.label "找到底後再從頭開始">
+<!ENTITY wrapCheckbox.accesskey "W">
+<!ENTITY backwardsCheckbox.label "往回搜尋">
+<!ENTITY backwardsCheckbox.accesskey "b">
+<!ENTITY findNextButton.label "找下一個">
+<!ENTITY findNextButton.accesskey "F">
+<!ENTITY replaceButton.label "取代">
+<!ENTITY replaceButton.accesskey "R">
+<!ENTITY replaceAndFindButton.label "取代與尋找">
+<!ENTITY replaceAndFindButton.accesskey "d">
+<!ENTITY replaceAllButton.label "全部取代">
+<!ENTITY replaceAllButton.accesskey "a">
+<!ENTITY closeButton.label "關閉">
+<!ENTITY closeButton.accesskey "C">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorSpellCheck.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorSpellCheck.dtd
new file mode 100644
index 0000000000..87b33c7eb8
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorSpellCheck.dtd
@@ -0,0 +1,39 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Window title -->
+<!ENTITY windowTitle.label "檢查拼字">
+
+<!ENTITY misspelledWord.label "拼錯的字:">
+<!ENTITY wordEditField.label "取代為:">
+<!ENTITY wordEditField.accessKey "w">
+<!ENTITY checkwordButton.label "檢查拼字">
+<!ENTITY checkwordButton.accessKey "k">
+<!ENTITY suggestions.label "建議:">
+<!ENTITY suggestions.accessKey "u">
+<!ENTITY ignoreButton.label "忽略">
+<!ENTITY ignoreButton.accessKey "I">
+<!ENTITY ignoreAllButton.label "全部忽略">
+<!ENTITY ignoreAllButton.accessKey "n">
+<!ENTITY replaceButton.label "取代">
+<!ENTITY replaceButton.accessKey "R">
+<!ENTITY replaceAllButton.label "全部取代">
+<!ENTITY replaceAllButton.accessKey "A">
+<!ENTITY stopButton.label "停止">
+<!ENTITY stopButton.accessKey "t">
+<!ENTITY userDictionary.label "使用者自訂字典:">
+<!ENTITY moreDictionaries.label "下載其它字典">
+<!ENTITY addToUserDictionaryButton.label "新增詞彙">
+<!ENTITY addToUserDictionaryButton.accessKey "d">
+<!ENTITY editUserDictionaryButton.label "編輯…">
+<!ENTITY editUserDictionaryButton.accessKey "E">
+<!ENTITY recheckButton2.label "重新檢查文字">
+<!ENTITY recheckButton2.accessKey "T">
+<!ENTITY closeButton.label "關閉">
+<!ENTITY closeButton.accessKey "C">
+<!ENTITY sendButton.label "傳送">
+<!ENTITY sendButton.accessKey "S">
+<!ENTITY languagePopup.label "語言:">
+<!ENTITY languagePopup.accessKey "L">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorTableProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorTableProperties.dtd
new file mode 100644
index 0000000000..188e222f18
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/EditorTableProperties.dtd
@@ -0,0 +1,76 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY tableWindow.title                "表格屬性">
+<!ENTITY applyButton.label                "套用">
+<!ENTITY applyButton.accesskey            "A">
+<!ENTITY closeButton.label                "關閉">
+<!ENTITY tableTab.label                   "表格">
+<!ENTITY cellTab.label                    "資料格">
+<!ENTITY tableRows.label                  "列:">
+<!ENTITY tableRows.accessKey              "R">
+<!ENTITY tableColumns.label               "欄:">
+<!ENTITY tableColumns.accessKey           "C">
+<!ENTITY tableHeight.label                "高度:">
+<!ENTITY tableHeight.accessKey            "G">
+<!ENTITY tableWidth.label                 "寬度:">
+<!ENTITY tableWidth.accessKey             "W">
+<!ENTITY tableBorderSpacing.label         "框線與留白">
+<!ENTITY tableBorderWidth.label           "框線:">
+<!ENTITY tableBorderWidth.accessKey       "B">
+<!ENTITY tableSpacing.label               "資料格間距:">
+<!ENTITY tableSpacing.accessKey           "S">
+<!ENTITY tablePadding.label               "格內邊留白:">
+<!ENTITY tablePadding.accessKey           "P">
+<!ENTITY tablePxBetwCells.label           "資料格之間的空白(單位:像素)">
+<!ENTITY tablePxBetwBrdrCellContent.label "框線與格內文字間的空白(單位:像素)">
+<!ENTITY tableAlignment.label             "表格對齊方式:">
+<!ENTITY tableAlignment.accessKey         "T">
+<!ENTITY tableCaption.label               "題要(Caption):">
+<!ENTITY tableCaption.accessKey           "N">
+<!ENTITY tableCaptionAbove.label          "表格之前">
+<!ENTITY tableCaptionBelow.label          "表格之後">
+<!ENTITY tableCaptionLeft.label           "表格左邊">
+<!ENTITY tableCaptionRight.label          "表格右邊">
+<!ENTITY tableCaptionNone.label           "無">
+<!ENTITY tableInheritColor.label           "（使用頁面色彩）">
+
+<!ENTITY cellSelection.label              "選取範圍">
+<!ENTITY cellSelectCell.label             "資料格">
+<!ENTITY cellSelectRow.label              "列數">
+<!ENTITY cellSelectColumn.label           "欄數">
+<!ENTITY cellSelectNext.label             "下一個">
+<!ENTITY cellSelectNext.accessKey         "N">
+<!ENTITY cellSelectPrevious.label         "上一步">
+<!ENTITY cellSelectPrevious.accessKey     "P">
+<!ENTITY applyBeforeChange.label          "更改的設定會在改變選取儲存格前先行套用。">
+<!ENTITY cellContentAlignment.label       "內容對齊格子方式">
+<!ENTITY cellHorizontal.label             "水平:">
+<!ENTITY cellHorizontal.accessKey         "Z">
+<!ENTITY cellVertical.label               "垂直:">
+<!ENTITY cellVertical.accessKey           "V">
+<!ENTITY cellStyle.label                  "儲存格樣式:">
+<!ENTITY cellStyle.accessKey              "C">
+<!ENTITY cellNormal.label                 "標準">
+<!ENTITY cellHeader.label                 "標頭">
+<!ENTITY cellTextWrap.label               "文字斷行:">
+<!ENTITY cellTextWrap.accessKey           "T">
+<!ENTITY cellWrap.label                   "斷行">
+<!ENTITY cellNoWrap.label                 "不斷行">
+<!ENTITY cellAlignTop.label               "回頂端">
+<!ENTITY cellAlignMiddle.label            "中間">
+<!ENTITY cellAlignBottom.label            "底部">
+<!ENTITY cellAlignJustify.label           "左右對齊">
+<!ENTITY cellInheritColor.label           "（使用表格色彩）">
+<!ENTITY cellUseCheckboxHelp.label        "選取核對方塊(checkbox)以決定哪些設定要套用到所有儲存格上">
+
+<!-- Used in both Table and Cell panels  -->
+<!ENTITY size.label                       "大小">
+<!ENTITY pixels.label                     "圖素">
+<!ENTITY backgroundColor.label            "背景色彩:">
+<!ENTITY backgroundColor.accessKey        "B">
+<!ENTITY AlignLeft.label                  "靠左">
+<!ENTITY AlignCenter.label                "置中">
+<!ENTITY AlignRight.label                 "靠右">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/composeMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/messengercompose/composeMsgs.properties
new file mode 100644
index 0000000000..a9183dbed5
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/composeMsgs.properties
@@ -0,0 +1,461 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the compose back end
+#
+## LOCALIZATION NOTE (unableToOpenFile, unableToOpenTmpFile):
+## %S will be replaced with the name of file that could not be opened
+unableToOpenFile=無法開啟檔案 %S。
+unableToOpenTmpFile=無法開啟暫存檔 %S。請檢查您的「暫存目錄」設定。
+unableToSaveTemplate=無法將您的訊息儲存為範本。
+unableToSaveDraft=無法將您的訊息儲存為草稿。
+couldntOpenFccFolder=無法開啟寄件備份信件匣，請確認您的帳號設定是否正確。
+noSender=未指定寄件者地址。請到「帳號設定」中加入您的電子郵件地址。
+noRecipients=未指定收件者，請在地址欄中輸入收件者或新聞群組地址。
+errorWritingFile=寫入暫存檔時發生錯誤。
+
+## LOCALIZATION NOTE (errorSendingFromCommand): argument %s is the Outgoing server (SMTP) response
+errorSendingFromCommand=寄送郵件時發生錯誤，伺服器回應: %s。請檢查「帳號設定」中您的電子郵件地址是否正確後再試一次。
+
+## LOCALIZATION NOTE (errorSendingDataCommand): argument %s is the Outgoing server (SMTP) response
+errorSendingDataCommand=寄件伺服器 (SMTP) 在寄信時發生錯誤。伺服器回傳: %s。
+
+## LOCALIZATION NOTE (errorSendingMessage): argument %s is the Outgoing server (SMTP) response
+errorSendingMessage=寄送郵件時發生錯誤，伺服器回應: %s。請檢查訊息後再試一次。
+postFailed=因為無法連線至新聞群組伺服器，無法張貼此訊息。伺服器可能正在忙碌中或暫時拒絕連線。請確定您的新聞群組伺服器設定正確後再試一次。
+errorQueuedDeliveryFailed=傳送未寄出訊息時發生錯誤。
+sendFailed=訊息傳送失敗。
+
+## LOCALIZATION NOTE (sendFailedUnexpected): argument %X is a hex error code value
+sendFailedUnexpected=由於發生未知錯誤 %X 而失敗，沒有說明。
+
+## LOCALIZATION NOTE (smtpSecurityIssue): argument %S is the Outgoing server (SMTP) response
+smtpSecurityIssue=必須修正與 %S 相關的設定。
+
+## LOCALIZATION NOTE (smtpServerError): argument %s is the Outgoing server (SMTP) response
+smtpServerError=寄送郵件時發生錯誤，寄件伺服器 (SMTP) 發生錯誤，伺服器回應: %s。
+unableToSendLater=抱歉，我們無法儲存您的郵件以後再寄。
+
+## LOCALIZATION NOTE (communicationsError): argument %d is the error code
+communicationsError=發生連線錯誤: 代碼 %d。請再試一次。
+dontShowAlert=如果您看到這個訊息表示您的程式爛掉了。
+
+couldNotGetUsersMailAddress2=寄送郵件時發生錯誤，寄件地址無效。請確定該地址正確後再試一次。
+couldNotGetSendersIdentity=寄送郵件時發生錯誤，寄件者身份無效。請確定身份設定正確後再試一次。
+
+mimeMpartAttachmentError=附件錯誤。
+failedCopyOperation=郵件已成功寄出，但無法存入「寄件備份」匣中。
+nntpNoCrossPosting=您一次只能對一個新聞群組伺服器傳送一封訊息。
+msgCancelling=取消中…
+sendFailedButNntpOk=您的訊息已張貼到新聞群組，但尚未寄出給其他收件者。
+errorReadingFile=讀取檔案時發生錯誤。
+followupToSenderMessage=此訊息寄件者要求只能回信給他。如果您想回覆到整個新聞群組，請在地址區加入新的一欄，自收件者清單中選取新聞群組，再填入新聞群組的名稱。
+
+## LOCALIZATION NOTE (errorAttachingFile): argument %S is the file name/URI of the object to be attached
+errorAttachingFile=附加 %S 時發生錯誤，請確認您有權限存取該檔案。
+
+## LOCALIZATION NOTE (incorrectSmtpGreeting): argument %s is the Outgoing server (SMTP) greeting
+incorrectSmtpGreeting=寄送郵件時發生錯誤: 郵件伺服器傳送了不正確的握手訊息: %s。
+
+## LOCALIZATION NOTE (errorSendingRcptCommand): argument %1$S is the Outgoing server (SMTP) response, argument %2$S is the intended message recipient.
+errorSendingRcptCommand=寄送郵件時發生錯誤: 郵件伺服器回應: \n%1$S。\n請檢查訊息收件者「%2$S」是否正確後再試一次。
+
+## LOCALIZATION NOTE (startTlsFailed): argument %S is the Outgoing server (SMTP)
+startTlsFailed=寄送郵件時發生錯誤: 寄件伺服器 (SMTP) %S 並未宣稱有 STARTTLS 功能，故無法以 STARTTLS 建立安全連線。請對該伺服器關閉 STARTTLS 或聯絡您的服務供應商。
+
+## LOCALIZATION NOTE (smtpPasswordUndefined): argument %S is the Outgoing server (SMTP) account
+smtpPasswordUndefined=寄送郵件時發生錯誤: 無法取得 %S 的密碼，訊息並未送出。
+
+## LOCALIZATION NOTE (smtpSendNotAllowed): argument %s is the Outgoing server (SMTP) response
+smtpSendNotAllowed=寄送郵件時發生錯誤，郵件伺服器回應:\n%s。\n請確認您使用正確的身分寄信，使用的驗證方式也都正確。也請確認您可透過目前的網路，使用目前的登入資訊登入此 SMTP 伺服器寄信。
+
+## LOCALIZATION NOTE (smtpTempSizeExceeded): argument %s is the Outgoing server (SMTP) response
+smtpTempSizeExceeded=您要寄送的信件超過了伺服器暫存空間的大小，信件並未寄出。請嘗試縮小信件大小或稍候再試。伺服器回應：%s。
+
+## LOCALIZATION NOTE (smtpClientid): argument %s is the Outgoing server (SMTP) response
+smtpClientid=寄件伺服器（SMTP）偵測到 CLIENTID 指令中發生錯誤。訊息並未寄出，伺服器回應: %s
+
+## LOCALIZATION NOTE (smtpClientidPermission): argument %s is the Outgoing server (SMTP) response
+smtpClientidPermission=寄件伺服器（SMTP）對 CLIENTID 指令的回應指出不允許您的裝置發送郵件。伺服器回應: %s
+
+## LOCALIZATION NOTE (smtpPermSizeExceeded1): argument %d is the Outgoing server (SMTP) size limit
+smtpPermSizeExceeded1=您要寄送的郵件超過了伺服器的大小上限（%d 位元組），郵件並未寄出。請嘗試減少郵件大小後再試一次。
+
+## LOCALIZATION NOTE (smtpPermSizeExceeded2): argument %s is the Outgoing server (SMTP) response
+smtpPermSizeExceeded2=正在寄送的郵件超過了伺服器的大小上限。郵件並未寄出。請嘗試減少郵件大小後再試一次。伺服器回應：%s。
+
+## LOCALIZATION NOTE (smtpSendFailedUnknownServer): argument %S is the Outgoing server (SMTP)
+smtpSendFailedUnknownServer=寄送郵件時發生錯誤: 寄件伺服器 (SMTP) %S 未知。伺服器可能設定錯誤，請確認您的寄件伺服器 (SMTP) 設定正確後再試一次。
+
+## LOCALIZATION NOTE (smtpSendRequestRefused): argument %S is the Outgoing server (SMTP)
+smtpSendRequestRefused=因為無法連線至寄件伺服器 (SMTP) %S，無法寄出郵件。伺服器可能正在忙碌中或暫時拒絕 SMTP 連線。請確定您的寄件伺服器 (SMTP) 設定正確後再試一次。
+
+## LOCALIZATION NOTE (smtpSendInterrupted): argument %S is the Outgoing server (SMTP)
+smtpSendInterrupted=因為與寄件伺服器 (SMTP) %S 間的連線在傳輸過程中中斷，無法寄出訊息。請再試一次。
+
+## LOCALIZATION NOTE (smtpSendTimeout): argument %S is the Outgoing server (SMTP)
+smtpSendTimeout=因為與寄件伺服器 (SMTP) %S 間的連線逾時，無法寄出訊息。請再試一次。
+
+## LOCALIZATION NOTE (smtpSendFailedUnknownReason): argument %S is the Outgoing server (SMTP)
+smtpSendFailedUnknownReason=因為未知的原因，無法透過寄件伺服器 (SMTP) %S 寄出訊息。請確定您的寄件伺服器 (SMTP) 設定正確後再試一次。
+
+# LOCALIZATION NOTE (smtpHintAuthEncryptToPlainNoSsl): %S is the server hostname
+smtpHintAuthEncryptToPlainNoSsl=%S 這台寄件伺服器 (SMTP) 可能不支援加密過的密碼。如果您剛設定好這個帳號，請試著到「帳號設定」當中的「寄件伺服器 (SMTP)」，把「認證方式」設定成「不安全傳輸的密碼」。如果您突然遇到這個狀況，代表可能有人正要偷走您的密碼。
+
+# LOCALIZATION NOTE (smtpHintAuthEncryptToPlainSsl): %S is the server hostname
+smtpHintAuthEncryptToPlainSsl=%S 這台寄件伺服器 (SMTP) 可能不支援加密過的密碼。如果您剛設定好這個帳號，請試著到「帳號設定」當中的「寄件伺服器 (SMTP)」，把「普通密碼」設定成「一般密碼」。
+
+# LOCALIZATION NOTE (smtpHintAuthPlainToEncrypt): %S is the server hostname
+smtpHintAuthPlainToEncrypt=%S 這台寄件伺服器 (SMTP) 不接受未加密的密碼。請試著把「帳號設定」當中「伺服器設定」的「認證方式」設定成「加密過的密碼」。
+
+# LOCALIZATION NOTE (smtpAuthFailure): %S is the server hostname
+smtpAuthFailure=無法向寄件伺服器 (SMTP) %S 進行認證。請到「帳號設定 | 寄件伺服器 (SMTP)」中將「認證方式」設定為「無」。
+
+# LOCALIZATION NOTE (smtpAuthGssapi): %S is the server hostname
+smtpAuthGssapi=Kerberos/GSSAPI 門標（Ticket）沒有被 %S 這台寄件伺服器接受。請檢查您是否已經登入 Kerberos/GSSAPI 領域。
+
+# LOCALIZATION NOTE (smtpAuthMechNotSupported): %S is the server hostname
+smtpAuthMechNotSupported=%S 這台 SMTP 伺服器不支援您所選擇的認證方式。請到「帳號設定」當中的「帳號設定 | 寄件伺服器 (SMTP)」修改「認證方式」。
+
+# LOCALIZATION NOTE (errorIllegalLocalPart2): %s is an email address with an illegal localpart
+errorIllegalLocalPart2=收件者地址 %s 中的帳號名稱部分有非 ASCII 字元，而您的寄件伺服器不支援 SMTPUTF8。請修改收件者地址並再試一次。
+
+## Strings used for the save message dialog shown when the user closes a message compose window
+saveDlogTitle=儲存郵件
+
+## LOCALIZATION NOTE (saveDlogMessages3): Do not translate the words %1$S and \n.
+## %1$S is replaced by the folder name configured for saving drafts (typically the "Drafts" folder).
+## Translate "Write" to match the translation of item "windowTitleWrite" below.
+saveDlogMessages3=要將此訊息儲存至草稿信件匣（%1$S），並關閉寫信視窗嗎？
+discardButtonLabel=捨棄變更 (&D)
+
+## generics string
+defaultSubject=(無主旨)
+chooseFileToAttach=附加檔案
+genericFailureExplanation=請確認您的帳號設定正確後再試一次。
+
+## LOCALIZATION NOTE (undisclosedRecipients): this string must use only US_ASCII characters
+undisclosedRecipients=undisclosed-recipients
+
+# LOCALIZATION NOTE (chooseFileToAttachViaCloud): %1$S is the cloud
+# provider to save the file to.
+chooseFileToAttachViaCloud=透過 %1$S 附加檔案
+
+## Window titles
+# LOCALIZATION NOTE (windowTitleWrite):
+# %1$S is the message subject.
+# %2$S is the application name.
+# Example: Write: Re: Invitation - Thunderbird
+windowTitleWrite=寫信: %1$S - %2$S
+# LOCALIZATION NOTE (windowTitlePrintPreview):
+# %1$S is the message subject.
+# %2$S is the application name.
+# Example: Print Preview: Re: Invitation - Thunderbird
+windowTitlePrintPreview=預覽列印: %1$S - %2$S
+
+## From field
+msgIdentityPlaceholder=不使用 %S，輸入自訂的寄件地址
+customizeFromAddressTitle=自訂寄件地址
+customizeFromAddressWarning=若您的電子郵件服務供應商支援，不用在帳號設定中建立新身份就能自訂寄件地址。舉例來說，若您原本的寄件地址是「王小明 <john@example.com>」，您可以改用「阿明 <john+doe@example.com>」或「小明 <john@example.com>」寄出。
+customizeFromAddressIgnore=別再通知我
+
+## Strings used by the empty subject dialog
+subjectEmptyTitle=主旨提醒
+subjectEmptyMessage=您的郵件沒有主題。
+sendWithEmptySubjectButton=傳送無主旨郵件 (&S)
+cancelSendingButton=取消(&C)
+
+## Strings used by the dialog that informs about the lack of newsgroup support.
+noNewsgroupSupportTitle=不支援新聞群組
+recipientDlogMessage=此帳號只支援 Email 收件，繼續執行會忽略新聞群組。
+
+## Strings used by the alert that tells the user that an e-mail address is invalid.
+addressInvalidTitle=收件者地址無效
+addressInvalid=%1$S 不是正確的電子郵件地址。正確的格式會是 user@host。請修正後重寄。
+
+## String used by the dialog that asks the user to attach a web page
+attachPageDlogTitle=請指定附加檔案路徑
+attachPageDlogMessage=網址 (URL):
+
+## String used for attachment pretty name, when the attachment is a message
+messageAttachmentSafeName=附加郵件
+
+## String used for attachment pretty name, when the attachment is a message part
+partAttachmentSafeName=附加郵件部份
+
+# LOCALIZATION NOTE (attachmentBucketAttachFilesTooltip):
+# This tooltip should be same as attachFile.label in messengercompose.dtd,
+# but without ellipsis (…).
+attachmentBucketAttachFilesTooltip=附加檔案
+attachmentBucketClearSelectionTooltip=清除選擇項目
+attachmentBucketHeaderShowTooltip=顯示附件窗格
+attachmentBucketHeaderMinimizeTooltip=最小化附件窗格
+attachmentBucketHeaderRestoreTooltip=還原附件窗格
+
+## String used by the Initialization Error dialog
+initErrorDlogTitle=寄送郵件
+initErrorDlgMessage=建立郵件編輯視窗時發生錯誤。請再試一次。
+
+## String used if a file to attach does not exist when passed as
+## a command line argument
+errorFileAttachTitle=附加檔案
+
+## LOCALIZATION NOTE (errorFileAttachMessage): %1$S will be replaced by the non-existent file name.
+errorFileAttachMessage=檔案 %1$S 不存在，無法被附加到訊息當中。
+
+## String used if a file to serve as message body does not exist or cannot be loaded when passed
+## as a command line argument
+errorFileMessageTitle=訊息檔案
+
+## LOCALIZATION NOTE (errorFileMessageMessage): %1$S will be replaced by the non-existent file name.
+errorFileMessageMessage=檔案 %1$S 不存在，無法用作訊息內容。
+
+## LOCALIZATION NOTE (errorLoadFileMessageMessage): %1$S will be replaced by the name of the file that can't be loaded.
+errorLoadFileMessageMessage=無法將檔案 %1$S 載入為訊息內容。
+
+## Strings used by the Save as Draft/Template dialog
+SaveDialogTitle=儲存郵件
+
+## LOCALIZATION NOTE (SaveDialogMsg): %1$S is the folder name, %2$S is the host name
+SaveDialogMsg=您的郵件已經存到 %2$S 內的資料夾 %1$S 了。
+CheckMsg=下次不要再顯示此對話方塊。
+
+## Strings used by the prompt when Quitting while in progress
+quitComposeWindowTitle=正在寄出訊息
+
+## LOCALIZATION NOTE (quitComposeWindowMessage2): don't translate \n
+quitComposeWindowMessage2=%1$S 目前正在寄信中。\n您想要等它寄完後再離開或還是要馬上離開呢？
+quitComposeWindowQuitButtonLabel2=離開（&Q）
+quitComposeWindowWaitButtonLabel2=稍候
+quitComposeWindowSaveTitle=正在儲存訊息
+
+## LOCALIZATION NOTE (quitComposeWindowSaveMessage): don't translate \n
+quitComposeWindowSaveMessage=%1$S 目前正在儲存訊息。\n您想要等到訊息完成儲存後再離開或是要立即離開？
+
+## Strings used by the prompt for Ctrl-Enter check before sending message
+sendMessageCheckWindowTitle=寄送郵件
+sendMessageCheckLabel=您確定已經可以寄送此封郵件了嗎？
+sendMessageCheckSendButtonLabel=傳送
+assemblingMessageDone=組合郵件中…完成
+assemblingMessage=組合郵件中…
+smtpDeliveringMail=寄送郵件中…
+smtpMailSent=成功寄出郵件。
+assemblingMailInformation=組合郵件資訊中…
+
+## LOCALIZATION NOTE (gatheringAttachment): argument %S is the file name/URI of attachment
+gatheringAttachment=正在附加 %S…
+creatingMailMessage=建立郵件中…
+
+## LOCALIZATION NOTE (copyMessageStart): argument %S is the folder name
+copyMessageStart=複製郵件到郵件匣 %S 中…
+copyMessageComplete=複製完成。
+copyMessageFailed=複製失敗。
+filterMessageComplete=過濾完成。
+filterMessageFailed=過濾失敗。
+
+## LOCALIZATION NOTE (largeMessageSendWarning):
+## Do not translate %S. It is the size of the message in user-friendly notation.
+largeMessageSendWarning=警告！您將傳送一封大小為 %S 的訊息，可能超過郵件伺服器允許的限制。您確定要傳送嗎？
+sendingMessage=發送郵件中…
+sendMessageErrorTitle=訊息傳送錯誤
+postingMessage=寄送郵件中…
+sendLaterErrorTitle=稍候再寄錯誤
+saveDraftErrorTitle=儲存草稿錯誤
+saveTemplateErrorTitle=儲存範本錯誤
+
+## LOCALIZATION NOTE (failureOnObjectEmbeddingWhileSaving): argument %.200S is the file name/URI of object to be embedded
+failureOnObjectEmbeddingWhileSaving=將檔案 %.200S 加入訊息時發生問題，您想要略過此檔案，繼續儲存訊息嗎？
+
+## LOCALIZATION NOTE (failureOnObjectEmbeddingWhileSending): argument %.200S is the file name/URI of object to be embedded
+failureOnObjectEmbeddingWhileSending=將檔案 %.200S 加入訊息時發生問題，您想要略過此檔案，繼續傳送訊息嗎？
+returnToComposeWindowQuestion=您想回到編輯視窗嗎？
+
+## reply header in composeMsg
+## LOCALIZATION NOTE (mailnews.reply_header_authorwrotesingle): #1 is the author (name of the person replying to)
+mailnews.reply_header_authorwrotesingle=#1 寫道:
+
+## LOCALIZATION NOTE (mailnews.reply_header_ondateauthorwrote): #1 is the author, #2 is the date, #3 is the time
+mailnews.reply_header_ondateauthorwrote=#1 於 #2 #3 寫道:
+
+## LOCALIZATION NOTE (mailnews.reply_header_authorwroteondate): #1 is the author, #2 is the date, #3 is the time
+mailnews.reply_header_authorwroteondate=#1 於 #2 #3 寫道:
+
+## reply header in composeMsg
+## user specified
+mailnews.reply_header_originalmessage=------- 原始郵件 -------
+
+## forwarded header in composeMsg
+## user specified
+mailnews.forward_header_originalmessage=-------- 轉寄郵件 --------
+
+## Strings used by the rename attachment dialog
+renameAttachmentTitle=附加檔案重新命名
+renameAttachmentMessage=新附件名:
+
+## Attachment Reminder
+## LOCALIZATION NOTE (mail.compose.attachment_reminder_keywords): comma separated
+## words that should trigger an attachment reminder.
+mail.compose.attachment_reminder_keywords=.doc,.pdf,.xls,.ppt,.rtf,.pps,attachment,attach,attached,attaching,enclosed,CV,cover letter,附件,附檔,附上,附加檔案
+
+remindLaterButton=待會提醒我
+remindLaterButton.accesskey=L
+disableAttachmentReminderButton=關閉此訊息的附件提醒
+attachmentReminderTitle=附件提醒
+attachmentReminderMsg=您忘記加入附件了嗎？
+
+# LOCALIZATION NOTE (attachmentReminderKeywordsMsgs): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# #1 number of keywords
+attachmentReminderKeywordsMsgs=找到 #1 個附件關鍵字:
+attachmentReminderOptionsMsg=附件提醒器字元可以在偏好設定裡修改
+attachmentReminderYesIForgot=噢！是的。
+attachmentReminderFalseAlarm=不，傳吧！
+
+# Strings used by the Filelink offer notification bar.
+learnMore.label=更多資訊…
+learnMore.accesskey=M
+
+# LOCALIZATION NOTE (bigFileDescription): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# #1 number of big attached files
+bigFileDescription=我們建議您將大檔案傳送到雲端，再透過插入檔案鏈結的方式傳送。
+bigFileShare.label=鏈結
+bigFileShare.accesskey=L
+bigFileAttach.label=忽略
+bigFileAttach.accesskey=I
+bigFileChooseAccount.title=選擇帳號
+bigFileChooseAccount.text=請選擇您要把文件上傳到哪個雲端帳號
+bigFileHideNotification.title=不要上傳我的檔案
+bigFileHideNotification.text=若您附加其他大檔案到此訊息時將不會被通知。
+bigFileHideNotification.check=永遠不要再提醒我這個訊息。
+
+# LOCALIZATION NOTE(cloudFileUploadingTooltip): Do not translate the string
+# %S. %S is the display name for the cloud account the attachment is being
+# uploaded to.
+cloudFileUploadingTooltip=正在將檔案上傳至 %S…
+
+# LOCALIZATION NOTE(cloudFileUploadedTooltip): Do not translate the string
+# %S. %S is the display name for the cloud account the attachment was uploaded
+# to.
+cloudFileUploadedTooltip=已將檔案上傳至 %S
+cloudFileUploadingNotification=正在上傳您的檔案。上傳完成後將會在訊息當中插入檔案鏈結。
+cloudFileUploadingCancel.label=取消
+cloudFileUploadingCancel.accesskey=C
+cloudFilePrivacyNotification=已完成鏈結。請注意鏈結好的附件可能會被其他看的到，或是可以猜到網址的人存取。
+
+## LOCALIZATION NOTE(smtpEnterPasswordPrompt): Do not translate the
+## word %S. Place the word %S where the host name should appear.
+smtpEnterPasswordPrompt=請輸入 %S 的密碼:
+
+## LOCALIZATION NOTE(smtpEnterPasswordPromptWithUsername): Do not translate the
+## words %1$S and %2$S. Place the word %1$S where the host name should appear,
+## and %2$S where the user name should appear.
+smtpEnterPasswordPromptWithUsername=輸入 %2$S 在 %1$S 的密碼:
+## LOCALIZATION NOTE(smtpEnterPasswordPromptTitleWithHostname): Do not translate the
+## word %1$S. Place the word %1$S where the server host name should appear.
+smtpEnterPasswordPromptTitleWithHostname=寄件（SMTP）伺服器 %1$S 需要密碼
+
+# LOCALIZATION NOTE (removeAttachmentMsgs): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+removeAttachmentMsgs=移除附件
+
+## LOCALIZATION NOTE(promptToSaveSentLocally2): Do not translate the strings %1$S, %2$S, %3$S and \n.
+## %2$S will be replaced with the account name. $1$S will be replaced by the folder name
+## configured to contain saved sent messages (typically the "Sent" folder).
+## %3$S will be replaced with the local folders account name (typically "Local Folders").
+## Translate "Write" to match the translation of item "windowTitleWrite" above.
+promptToSaveSentLocally2=已寄出您的訊息，但因網路或檔案存取錯誤，無法將副本放置於寄件匣（%1$S）。\n可以再試一次或將訊息儲存到本機的 %3$S/%1$S-%2$S。
+errorFilteringMsg=您的訊息已寄出並已儲存，但對其進行過濾分類時發生錯誤。
+errorCloudFileAuth.title=認證錯誤
+
+## LOCALIZATION NOTE(promptToSaveDraftLocally2): Do not translate the strings %1$S, %2$S, %3$S and \n.
+## %2$S will be replaced with the account name. $1$S will be replaced by the folder name
+## configured to contain saved draft messages (typically the "Drafts" folder).
+## %3$S will be replaced with the local folders account name (typically "Local Folders").
+promptToSaveDraftLocally2=因網路或檔案存取錯誤，無法將草稿複製到草稿信件匣（%1$S）。\n可以再試一次或將草稿儲存到本機的 %3$S/%1$S-%2$S。
+buttonLabelRetry2=重試 (&R)
+
+## LOCALIZATION NOTE(promptToSaveTemplateLocally2): Do not translate the strings %1$S, %2$S, %3$S and \n.
+## %2$S will be replaced with the account name. $1$S will be replaced by the folder name
+## configured to contain saved templates (typically the "Templates" folder).
+## %3$S will be replaced with the local folders account name (typically "Local Folders").
+promptToSaveTemplateLocally2=因網路或檔案存取錯誤，無法將範本複製到範本信件匣（%1$S）。\n可以再試一次或將範本儲存到本機的 %3$S/%1$S-%2$S。
+
+## LOCALIZATION NOTE(saveToLocalFoldersFailed): Message appears after normal
+## save fails (e.g., to Sent) and save to Local Folders also fails. This could
+## occur if network is down and filesystem problems are present such as disk
+## full, permission issues or hardware failure.
+saveToLocalFoldersFailed=無法將您的訊息儲存到本機資料夾，可能是儲存空間不足。
+
+## LOCALIZATION NOTE(errorCloudFileAuth.message):
+## %1$S is the name of the online storage service against which the authentication failed.
+errorCloudFileAuth.message=無法登入 %1$S。
+errorCloudFileUpload.title=上傳錯誤
+
+## LOCALIZATION NOTE(errorCloudFileUpload.message):
+## %1$S is the name of the online storage service against which the uploading failed.
+## %2$S is the name of the file that failed to upload.
+errorCloudFileUpload.message=無法將 %2$S 上傳到 %1$S。
+errorCloudFileQuota.title=空間限額錯誤
+
+## LOCALIZATION NOTE(errorCloudFileQuota.message):
+## %1$S is the name of the online storage service being uploaded to.
+## %2$S is the name of the file that could not be uploaded due to exceeding the storage limit.
+errorCloudFileQuota.message=上傳 %2$S 到 %1$S 將會超過空間限額。
+
+errorCloudFileLimit.title=檔案大小錯誤
+
+## LOCALIZATION NOTE(errorCloudFileLimit.message):
+## %1$S is the name of the online storage service being uploaded to.
+## %2$S is the name of the file that could not be uploaded due to size restrictions.
+errorCloudFileLimit.message=%2$S 超過了 %1$S 的最大檔案大小限制。
+errorCloudFileOther.title=未知的錯誤
+
+## LOCALIZATION NOTE(errorCloudFileOther.message):
+## %1$S is the name of the online storage service that cannot be communicated with.
+errorCloudFileOther.message=與 %1$S 溝通時發生未知錯誤。
+errorCloudFileDeletion.title=刪除錯誤
+
+## LOCALIZATION NOTE(errorCloudFileDeletion.message):
+## %1$S is the name of the online storage service that the file is to be deleted from.
+## %2$S is the name of the file that failed to be deleted.
+errorCloudFileDeletion.message=自 %1$S 刪除 %2$S 時發生錯誤。
+errorCloudFileUpgrade.label=升級
+
+## LOCALIZATION NOTE(stopShowingUploadingNotification): This string is used in the Filelink
+## upload notification bar to allow the user to dismiss the notification permanently.
+stopShowingUploadingNotification.accesskey=N
+stopShowingUploadingNotification.label=永遠不要再顯示
+replaceButton.label=取代…
+replaceButton.accesskey=l
+replaceButton.tooltip=顯示尋找及取代對話框
+
+## LOCALIZATION NOTE(blockedAllowResource): %S is the URL to load.
+blockedAllowResource=解除封鎖 %S
+## LOCALIZATION NOTE (blockedContentMessage): Semi-colon list of plural forms.
+## See: https://developer.mozilla.org/en/docs/Localization_and_Plurals
+## %S will be replaced by brandShortName.
+## Files must be unblocked individually, therefore the plural form reads:
+## Unblocking a file (one of several) will include it (that one file) in your sent message.
+## In other words:
+## Unblocking one/several file(s) will include it/them in your message.
+blockedContentMessage=%S 已封鎖在訊息中載入某些檔案的操作。取消封鎖後，才會將該檔案載入至訊息中一同寄出。
+
+blockedContentPrefLabel=選項
+blockedContentPrefAccesskey=O
+
+blockedContentPrefLabelUnix=偏好設定
+blockedContentPrefAccesskeyUnix=P
+
+## Recipient pills fields.
+## LOCALIZATION NOTE(confirmRemoveRecipientRowTitle2): %S will be replaced with the field name.
+confirmRemoveRecipientRowTitle2=移除 %S 地址
+## LOCALIZATION NOTE(confirmRemoveRecipientRowBody2): %S will be replaced with the field name.
+confirmRemoveRecipientRowBody2=您確定要移除 %S 地址嗎？
+confirmRemoveRecipientRowButton=移除
+
+## LOCALIZATION NOTE headersSpaceStyle is for aligning label of a newly create recipient row.
+## It should be larger than the largest Header label and identical to &headersSpace2.style;
+headersSpaceStyle=width: 8em
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/editor.properties b/l10n-zh-TW/mail/chrome/messenger/messengercompose/editor.properties
new file mode 100644
index 0000000000..2aff6a2ce1
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/editor.properties
@@ -0,0 +1,208 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE FILE: embedded "\n" represent HTML breaks (<br>)
+# Don't translate embedded "\n".
+# Don't translate strings like this: %variable%
+#  as they will be replaced using JavaScript
+#
+No=不使用
+Save=儲存
+More=更多
+Less=更少
+MoreProperties=更多屬性
+FewerProperties=更少屬性
+PropertiesAccessKey=P
+None=無
+none=無
+OpenHTMLFile=開啟 HTML 檔案
+OpenTextFile=開啟純文字檔案
+SelectImageFile=選擇圖片檔
+SaveDocument=儲存本頁
+SaveDocumentAs=另存新檔
+SaveTextAs=另存文字為
+EditMode=編輯模式
+Preview=預覽
+Publish=發佈
+PublishPage=發佈頁面
+DontPublish=不發佈
+SavePassword=使用密碼管理員儲存此密碼
+CorrectSpelling=(正確拼法)
+NoSuggestedWords=(無建議字)
+NoMisspelledWord=沒有找到任何可能拼錯的字。
+CheckSpellingDone=沒有拼錯的字。
+CheckSpelling=檢查拼字
+InputError=錯誤
+Alert=警告
+CantEditFramesetMsg=此編輯器無法編輯 HTML 的框架集合（frameset）或內嵌頁框（inline frame）。若要編輯 frameset，請分別編輯每個頁框（frame）；若要編輯 inline frame，請備份文件後刪除 <iframe> 標籤。
+CantEditMimeTypeMsg=無法編輯這種型態的文件
+CantEditDocumentMsg=無法編輯此文件(原因不明)。
+BeforeClosing=在離開之前
+BeforePreview=在預覽之前
+BeforeValidate=在驗證此文件前
+# LOCALIZATION NOTE (SaveFilePrompt, PublishPrompt): Don't translate %title% and %reason% (this is the reason for asking user to close, such as "before closing")
+SaveFilePrompt=%reason%要儲存「%title%」的修改成果嗎？
+PublishPrompt=%reason%要儲存「%title%」的修改成果嗎？
+SaveFileFailed=無法儲存檔案！
+
+# Publishing error strings:
+# LOCALIZATION NOTE Don't translate %dir% or %file% in the Publishing error strings:
+FileNotFound=找不到 %file%。
+SubdirDoesNotExist=目錄「%dir%」不存在或檔名「%file%」已被其它目錄佔用。
+FilenameIsSubdir=檔名「%file%」已被目錄佔用。
+ServerNotAvailable=無法使用伺服器。請稍候再試。
+Offline=您正在離線模式。請點選視窗右下角的圖示以切換至連線模式。
+DiskFull=磁碟空間不足以儲存檔案 "%file%"。
+NameTooLong=檔名或目錄名過長。
+AccessDenied=您的權限不足以發佈到此網址。
+UnknownPublishError=發生未知的發佈錯誤。
+PublishFailed=發佈失敗。
+PublishCompleted=發佈完成。
+AllFilesPublished=所有檔案已發佈
+# LOCALIZATION NOTE Don't translate %x% or %total%
+FailedFileMsg=無法發佈 %x%／%total% 個檔案。
+# End-Publishing error strings
+Prompt=提示
+# LOCALIZATION NOTE (PromptFTPUsernamePassword): Don't translate %host%
+PromptFTPUsernamePassword=請輸入 FTP 伺服器「%host%」的帳號及密碼
+RevertCaption=叫回前次儲存結果
+Revert=還原舊版
+SendPageReason=送出頁面之前
+Send=傳送
+## LOCALIZATION NOTE (PublishProgressCaption, PublishToSite, AbandonChanges): Don't translate %title%
+PublishProgressCaption=發佈中:%title%
+PublishToSite=網站發佈中:%title%
+AbandonChanges=放棄對「%title%」的變動並重新載入頁面？
+DocumentTitle=文件標題
+NeedDocTitle=請輸入本頁的標題:
+DocTitleHelp=文件標題會顯示在視窗頂端與書籤內。
+CancelPublishTitle=取消發佈？
+## LOCALIZATION NOTE: "Continue" in this sentence must match the text for
+## the CancelPublishContinue key below
+CancelPublishMessage=發佈中取消可能會導致您的檔案只有部份傳送完成。您確定要取消或是繼續？
+CancelPublishContinue=繼續
+MissingImageError=請輸入或選擇正確的圖片。
+EmptyHREFError=您必須選擇一個網址來建立新鏈結。
+LinkText=鏈結文字:
+LinkImage=鏈結圖片:
+MixedSelection=[混合選擇]
+Mixed=(混合)
+# LOCALIZATION NOTE (NotInstalled): %S is the name of the font
+NotInstalled=%S（未安裝）
+EnterLinkText=請輸入這個鏈結顯示時的文字:
+EnterLinkTextAccessKey=T
+EmptyLinkTextError=請輸入本鏈結的內容。
+EditTextWarning=這會取代目前的內容。
+#LOCALIZATION NOTE (ValidateNumber):Don't translate: %n% %min% %max%
+ValidateRangeMsg=您輸入的數字(%n%)不在允許範圍之內。
+ValidateNumberMsg=請輸入一個 %min% 到 %max% 之間的數字。
+MissingAnchorNameError=請輸入這個錨點的名稱。
+#LOCALIZATION NOTE (DuplicateAnchorNameError): Don't translate %name%
+DuplicateAnchorNameError="%name%" 已經用過了，請輸入別的名稱。
+BulletStyle=項目符號樣式
+SolidCircle=實心圓型
+OpenCircle=空心圓形
+SolidSquare=實心方塊
+NumberStyle=數字樣式:
+Automatic=自動
+Style_1=1, 2, 3…
+Style_I=I, II, III…
+Style_i=i, ii, iii…
+Style_A=A, B, C…
+Style_a=a, b, c…
+Pixels=圖素
+Percent=百分比
+PercentOfCell=% [儲存格]
+PercentOfWindow=相對於視窗的百分比
+PercentOfTable=% [表格]
+#LOCALIZATION NOTE (untitledTitle): %S is the window #.  No plural handling needed.
+untitledTitle=未命名 - %S
+untitledDefaultFilename=未命名
+ShowToolbar=顯示工具列
+HideToolbar=隱藏工具列
+ImapError=無法載入圖片
+ImapCheck=\n請選擇一個新網址(URL)後再試一次。
+SaveToUseRelativeUrl=相對路徑只能在網頁存檔後才能使用
+NoNamedAnchorsOrHeadings=（此頁面中無命名錨點或欄位標題）
+TextColor=文字色彩
+HighlightColor=強調色彩
+PageColor=頁面背景色彩
+BlockColor=區塊背景色彩
+TableColor=表格背景色彩
+CellColor=儲存格背景色彩
+TableOrCellColor=表格或儲存格色彩
+LinkColor=未拜訪鏈結
+ActiveLinkColor=選取中鏈結
+VisitedLinkColor=已拜訪鏈結
+NoColorError=請點選色彩或輸入正確的 HTML 色彩字串
+Table=表格
+TableCell=表格的儲存格
+NestedTable=巢狀表格
+HLine=水平線
+Link=鏈結
+Image=圖片
+ImageAndLink=圖片與鏈結
+NamedAnchor=命名錨點
+List=清單
+ListItem=列表清單細目
+Form=表單
+InputTag=表單欄位
+InputImage=表單圖片
+TextArea=文字區域
+Select=選取清單
+Button=按鈕
+Label=標籤
+FieldSet=欄位集合
+Tag=標籤
+MissingSiteNameError=請輸入網站的名稱。
+MissingPublishUrlError=請輸入網址以發佈此頁。
+MissingPublishFilename=請輸入本頁的檔名。
+#LOCALIZATION NOTE (DuplicateSiteNameError): Don't translate %name%
+DuplicateSiteNameError=「%name%」已存在。請輸入不同的網站名稱。
+AdvancedProperties=進階屬性…
+AdvancedEditForCellMsg=選取多重儲存格時無法使用進階編輯
+# LOCALIZATION NOTE (ObjectProperties):Don't translate "%obj%" it will be replaced with one of above object nouns
+ObjectProperties=%obj% 屬性…
+# LOCALIZATION NOTE This character must be in the above string and not conflict with other accesskeys in Format menu
+ObjectPropertiesAccessKey=o
+# LOCALIZATION NOTE (JoinSelectedCells): This variable should contain the "tableJoinCells.accesskey"
+# letter as defined in editorOverlay.dtd
+JoinSelectedCells=連結儲存格
+# LOCALIZATION NOTE (JoinCellToRight): This variable should contain the "tableJoinCells.accesskey"
+# letter as defined in editorOverlay.dtd
+JoinCellToRight=往右連結儲存格
+JoinCellAccesskey=j
+# LOCALIZATION NOTE (TableSelectKey): Ctrl key on a keyboard
+TableSelectKey=Ctrl+
+# LOCALIZATION NOTE (XulKeyMac): Command key on a Mac keyboard
+XulKeyMac=Cmd+
+# LOCALIZATION NOTE (Del): Del key on a keyboard
+Del=Del
+Delete=刪除
+DeleteCells=刪除儲存格
+DeleteTableTitle=刪除多欄或多列
+DeleteTableMsg=減少欄數或行數會連帶刪除表格的儲存格及其內容。您確定要繼續嗎？
+Clear=清除
+#Mouse actions
+Click=點選
+Drag=拖
+Unknown=未知
+#
+# LOCALIZATION NOTE "RemoveTextStylesAccesskey" is used for both
+#  menu items: "RemoveTextStyles" and "StopTextStyles"
+RemoveTextStylesAccesskey=x
+RemoveTextStyles=移除所有文字樣式
+StopTextStyles=分割樣式
+#
+# LOCALIZATION NOTE "RemoveLinksAccesskey" is used for both
+#  menu items: "RemoveLinks" and "StopLinks"
+RemoveLinksAccesskey=n
+RemoveLinks=移除鏈結
+StopLinks=分割鏈結
+#
+NoFormAction=建議您替此表單設定「動作(Action)」。未設定的表單在不同瀏覽器上不一定能用。
+NoAltText=建議您最好為每個圖片都設定「替代文字」給純文字模式的瀏覽器或是圖片下載到一半時可顯示。
+#
+Malformed=來源為無效的 XHTML 因此無法被轉譯為文件。
+NoLinksToCheck=此鏈結無可檢查的要素
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/editorOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/editorOverlay.dtd
new file mode 100644
index 0000000000..e7c2f42ee6
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/editorOverlay.dtd
@@ -0,0 +1,304 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- Attn: Localization - some of the menus in this dialog directly affect mail also. -->
+
+<!-- Edit menu items -->
+<!ENTITY pasteNoFormatting.label "以純文字格式貼上">
+<!ENTITY pasteNoFormatting.accesskey "n">
+<!ENTITY pasteNoFormatting.key "V">
+<!ENTITY pasteAsQuotationCmd.label "以引言方式貼上">
+<!ENTITY pasteAsQuotationCmd.accesskey "Q">
+
+<!-- Insert menu items -->
+<!ENTITY insertMenu.label "插入">
+<!ENTITY insertMenu.accesskey "I">
+<!ENTITY insertLinkCmd2.label "鏈結…">
+<!ENTITY insertLinkCmd2.accesskey "L">
+<!ENTITY insertLinkCmd2.key "K">
+<!ENTITY insertAnchorCmd.label "插入錨點…">
+<!ENTITY insertAnchorCmd.accesskey "a">
+<!ENTITY insertImageCmd.label "圖片…">
+<!ENTITY insertImageCmd.accesskey "I">
+<!ENTITY insertHLineCmd.label "水平線">
+<!ENTITY insertHLineCmd.accesskey "o">
+<!ENTITY insertTableCmd.label "表格…">
+<!ENTITY insertTableCmd.accesskey "T">
+<!ENTITY insertHTMLCmd.label "HTML…">
+<!ENTITY insertHTMLCmd.accesskey "H">
+<!ENTITY insertMathCmd.label "數學公式…">
+<!ENTITY insertMathCmd.accesskey "M">
+<!ENTITY insertCharsCmd.label "字元及符號…">
+<!ENTITY insertCharsCmd.accesskey "C">
+<!ENTITY insertBreakAllCmd.label "分開底下的圖片">
+<!ENTITY insertBreakAllCmd.accesskey "k">
+
+<!-- Used just in context popup. -->
+<!ENTITY createLinkCmd.label "建立鏈結…">
+<!ENTITY createLinkCmd.accesskey "k">
+<!ENTITY editLinkCmd.label "用新編輯器視窗編輯此鏈結">
+<!ENTITY editLinkCmd.accesskey "i">
+
+<!-- Font Face SubMenu -->
+<!ENTITY FontFaceSelect.tooltip "選擇字型">
+<!ENTITY fontfaceMenu.label "字型">
+<!ENTITY fontfaceMenu.accesskey "F">
+<!ENTITY fontVarWidth.label "可變寬度">
+<!ENTITY fontVarWidth.accesskey "V">
+<!ENTITY fontFixedWidth.label "固定寬度">
+<!ENTITY fontFixedWidth.accesskey "x">
+<!ENTITY fontFixedWidth.key "T">
+<!ENTITY fontHelvetica.label "Helvetica, Arial">
+<!ENTITY fontHelvetica.accesskey "l">
+<!ENTITY fontTimes.label "Times">
+<!ENTITY fontTimes.accesskey "T">
+<!ENTITY fontCourier.label "Courier">
+<!ENTITY fontCourier.accesskey "C">
+
+<!-- Font Size SubMenu -->
+<!ENTITY FontSizeSelect.tooltip "選擇字型大小">
+<!ENTITY decreaseFontSize.label "減少">
+<!ENTITY decreaseFontSize.accesskey "r">
+<!ENTITY decrementFontSize.key "&lt;">
+<!ENTITY decrementFontSize.key2 ","> <!-- < is above this key on many keyboards -->
+<!ENTITY increaseFontSize.label "增加">
+<!ENTITY increaseFontSize.accesskey "g">
+<!ENTITY incrementFontSize.key "&gt;">
+<!ENTITY incrementFontSize.key2 "."> <!-- > is above this key on many keyboards -->
+
+<!ENTITY fontSizeMenu.label "大小">
+<!ENTITY fontSizeMenu.accesskey "z">
+<!ENTITY size-tinyCmd.label "非常小">
+<!ENTITY size-tinyCmd.accesskey "T">
+<!ENTITY size-smallCmd.label "小">
+<!ENTITY size-smallCmd.accesskey "s">
+<!ENTITY size-mediumCmd.label "中">
+<!ENTITY size-mediumCmd.accesskey "d">
+<!ENTITY size-largeCmd.label "大">
+<!ENTITY size-largeCmd.accesskey "l">
+<!ENTITY size-extraLargeCmd.label "特大">
+<!ENTITY size-extraLargeCmd.accesskey "x">
+<!ENTITY size-hugeCmd.label "非常大">
+<!ENTITY size-hugeCmd.accesskey "H">
+
+<!-- Font Style SubMenu -->
+<!ENTITY fontStyleMenu.label "文字樣式">
+<!ENTITY fontStyleMenu.accesskey "S">
+<!ENTITY styleBoldCmd.label "粗體字">
+<!ENTITY styleBoldCmd.accesskey "B">
+<!ENTITY styleBoldCmd.key "B">
+<!ENTITY styleItalicCmd.label "斜體字">
+<!ENTITY styleItalicCmd.accesskey "I">
+<!ENTITY styleItalicCmd.key "I">
+<!ENTITY styleUnderlineCmd.label "加底線">
+<!ENTITY styleUnderlineCmd.accesskey "U">
+<!ENTITY styleUnderlineCmd.key "U">
+<!ENTITY styleStrikeThruCmd.label "刪除線">
+<!ENTITY styleStrikeThruCmd.accesskey "k">
+<!ENTITY styleSuperscriptCmd.label "上標">
+<!ENTITY styleSuperscriptCmd.accesskey "p">
+<!ENTITY styleSubscriptCmd.label "下標">
+<!ENTITY styleSubscriptCmd.accesskey "S">
+<!ENTITY styleNonbreakingCmd.label "不斷行(Nonbreaking)">
+<!ENTITY styleNonbreakingCmd.accesskey "N">
+<!ENTITY styleEm.label "強調">
+<!ENTITY styleEm.accesskey "E">
+<!ENTITY styleStrong.label "特別強調">
+<!ENTITY styleStrong.accesskey "t">
+<!ENTITY styleCite.label "引言(Citaion)">
+<!ENTITY styleCite.accesskey "C">
+<!ENTITY styleAbbr.label "簡寫(Abbrev)">
+<!ENTITY styleAbbr.accesskey "A">
+<!ENTITY styleAcronym.label "首字母縮略(Acronym)">
+<!ENTITY styleAcronym.accesskey "r">
+<!ENTITY styleCode.label "程式碼">
+<!ENTITY styleCode.accesskey "o">
+<!ENTITY styleSamp.label "範例輸出">
+<!ENTITY styleSamp.accesskey "m">
+<!ENTITY styleVar.label "變數">
+<!ENTITY styleVar.accesskey "V">
+
+<!ENTITY formatFontColor.label "文字色彩…">
+<!ENTITY formatFontColor.accesskey "C">
+<!ENTITY tableOrCellColor.label "表格或儲存格背景色彩…">
+<!ENTITY tableOrCellColor.accesskey "b">
+
+<!ENTITY formatRemoveStyles.key "Y">
+<!ENTITY formatRemoveLinks.key "K">
+<!ENTITY formatRemoveNamedAnchors.label "移除錨點">
+<!ENTITY formatRemoveNamedAnchors.accesskey "R">
+<!ENTITY formatRemoveNamedAnchors2.key "R">
+
+<!ENTITY paragraphMenu.label "段落">
+<!ENTITY paragraphMenu.accesskey "P">
+<!ENTITY paragraphParagraphCmd.label "段落">
+<!ENTITY paragraphParagraphCmd.accesskey "P">
+<!ENTITY heading1Cmd.label "段落標題 1">
+<!ENTITY heading1Cmd.accesskey "1">
+<!ENTITY heading2Cmd.label "段落標題 2">
+<!ENTITY heading2Cmd.accesskey "2">
+<!ENTITY heading3Cmd.label "段落標題 3">
+<!ENTITY heading3Cmd.accesskey "3">
+<!ENTITY heading4Cmd.label "段落標題 4">
+<!ENTITY heading4Cmd.accesskey "4">
+<!ENTITY heading5Cmd.label "段落標題 5">
+<!ENTITY heading5Cmd.accesskey "5">
+<!ENTITY heading6Cmd.label "段落標題 6">
+<!ENTITY heading6Cmd.accesskey "6">
+<!ENTITY paragraphAddressCmd.label "住址">
+<!ENTITY paragraphAddressCmd.accesskey "A">
+<!ENTITY paragraphPreformatCmd.label "已格式化段落">
+<!ENTITY paragraphPreformatCmd.accesskey "f">
+
+<!-- List menu items -->
+<!ENTITY formatlistMenu.label "清單">
+<!ENTITY formatlistMenu.accesskey "L">
+<!ENTITY noneCmd.label "無">
+<!ENTITY noneCmd.accesskey "N">
+<!ENTITY listBulletCmd.label "符號式">
+<!ENTITY listBulletCmd.accesskey "B">
+<!ENTITY listNumberedCmd.label "編號式">
+<!ENTITY listNumberedCmd.accesskey "m">
+<!ENTITY listTermCmd.label "名詞">
+<!ENTITY listTermCmd.accesskey "T">
+<!ENTITY listDefinitionCmd.label "定義">
+<!ENTITY listDefinitionCmd.accesskey "D">
+<!ENTITY listPropsCmd.label "列出所有屬性…">
+<!ENTITY listPropsCmd.accesskey "L">
+
+<!ENTITY ParagraphSelect.tooltip "選擇段落格式">
+<!-- Shared in Paragraph, and Toolbar menulist -->
+<!ENTITY bodyTextCmd.label "內文">
+<!ENTITY bodyTextCmd.accesskey "T">
+
+<!-- Align menu items -->
+<!ENTITY alignMenu.label "對齊方式">
+<!ENTITY alignMenu.accesskey "A">
+<!ENTITY alignLeft.label "靠左">
+<!ENTITY alignLeft.accesskey "L">
+<!ENTITY alignLeft.tooltip "置左對齊">
+<!ENTITY alignCenter.label "置中">
+<!ENTITY alignCenter.accesskey "C">
+<!ENTITY alignCenter.tooltip "置中對齊">
+<!ENTITY alignRight.label "靠右">
+<!ENTITY alignRight.accesskey "R">
+<!ENTITY alignRight.tooltip "置右對齊">
+<!ENTITY alignJustify.label "左右對齊">
+<!ENTITY alignJustify.accesskey "J">
+<!ENTITY alignJustify.tooltip "左右對齊">
+
+<!ENTITY increaseIndent.label "增加縮排">
+<!ENTITY increaseIndent.accesskey "I">
+<!ENTITY increaseIndent.key "]">
+<!ENTITY decreaseIndent.label "減少縮排">
+<!ENTITY decreaseIndent.accesskey "D">
+<!ENTITY decreaseIndent.key "[">
+
+<!ENTITY colorsAndBackground.label "頁面文字與背景色彩…">
+<!ENTITY colorsAndBackground.accesskey "u">
+
+<!-- Table Menu -->
+<!ENTITY tableMenu.label "表格">
+<!ENTITY tableMenu.accesskey "b">
+
+<!-- Select Submenu -->
+<!ENTITY tableSelectMenu.label "選取">
+<!ENTITY tableSelectMenu.accesskey "S">
+
+<!ENTITY tableSelectMenu2.label "選擇表格">
+<!ENTITY tableSelectMenu2.accesskey "S">
+<!ENTITY tableInsertMenu2.label "插入表格">
+<!ENTITY tableInsertMenu2.accesskey "I">
+<!ENTITY tableDeleteMenu2.label "刪除表格">
+<!ENTITY tableDeleteMenu2.accesskey "D">
+
+<!-- Insert SubMenu -->
+<!ENTITY tableInsertMenu.label "插入">
+<!ENTITY tableInsertMenu.accesskey "I">
+<!ENTITY tableTable.label "表格">
+<!ENTITY tableTable.accesskey "T">
+<!ENTITY tableRow.label "列數">
+<!ENTITY tableRows.label "行">
+<!ENTITY tableRow.accesskey "R">
+<!ENTITY tableRowAbove.label "在此列前加一列">
+<!ENTITY tableRowAbove.accesskey "R">
+<!ENTITY tableRowBelow.label "在此列後加一列">
+<!ENTITY tableRowBelow.accesskey "B">
+<!ENTITY tableColumn.label "欄數">
+<!ENTITY tableColumns.label "欄">
+<!ENTITY tableColumn.accesskey "o">
+<!ENTITY tableColumnBefore.label "在此欄前加一欄">
+<!ENTITY tableColumnBefore.accesskey "o">
+<!ENTITY tableColumnAfter.label "在此欄後加一欄">
+<!ENTITY tableColumnAfter.accesskey "A">
+<!ENTITY tableCell.label "資料格">
+<!ENTITY tableCells.label "儲存格">
+<!ENTITY tableCell.accesskey "C">
+<!ENTITY tableCellContents.label "資料格內容">
+<!ENTITY tableCellContents.accesskey "n">
+<!ENTITY tableAllCells.label "所有資料格">
+<!ENTITY tableAllCells.accesskey "A">
+<!ENTITY tableCellBefore.label "在此格前加一格">
+<!ENTITY tableCellBefore.accesskey "C">
+<!ENTITY tableCellAfter.label "在此格後加一格">
+<!ENTITY tableCellAfter.accesskey "f">
+<!-- Delete SubMenu -->
+<!ENTITY tableDeleteMenu.label "刪除">
+<!ENTITY tableDeleteMenu.accesskey "D">
+
+<!-- text for "Join Cells" is in editor.properties
+     ("JoinSelectedCells" and "JoinCellToRight")
+     the access key must exist in both of those strings
+     But value must be set here for accesskey to draw properly
+-->
+<!ENTITY tableJoinCells.label "j">
+<!ENTITY tableJoinCells.accesskey "j">
+<!ENTITY tableSplitCell.label "分離儲存格">
+<!ENTITY tableSplitCell.accesskey "C">
+<!ENTITY convertToTable.label "由選取資料建立表格">
+<!ENTITY convertToTable.accesskey "r">
+<!ENTITY tableProperties.label "表格屬性…">
+<!ENTITY tableProperties.accesskey "o">
+
+<!-- Toolbar-only items -->
+<!ENTITY imageToolbarCmd.label "圖片">
+<!ENTITY imageToolbarCmd.tooltip "插入新圖片或編輯已選取圖片的屬性">
+<!ENTITY hruleToolbarCmd.label "水平線">
+<!ENTITY hruleToolbarCmd.tooltip "插入水平線或設定已選取的水平線">
+<!ENTITY tableToolbarCmd.label "表格">
+<!ENTITY tableToolbarCmd.tooltip "插入新表格或設定已選取表格">
+<!ENTITY linkToolbarCmd.label "鏈結">
+<!ENTITY linkToolbarCmd.tooltip "插入新鏈結或設定已選取鏈結">
+<!ENTITY anchorToolbarCmd.label "錨點">
+<!ENTITY anchorToolbarCmd.tooltip "插入新錨點或設定選取的錨點內容">
+<!ENTITY TextColorButton.tooltip "選擇文字色彩">
+<!ENTITY BackgroundColorButton.tooltip "選擇背景色彩">
+
+<!-- Editor toolbar -->
+<!ENTITY absoluteFontSizeToolbarCmd.tooltip "設定字型大小">
+<!ENTITY decreaseFontSizeToolbarCmd.tooltip "字型縮小">
+<!ENTITY increaseFontSizeToolbarCmd.tooltip "字型放大">
+<!ENTITY boldToolbarCmd.tooltip "粗體字">
+<!ENTITY italicToolbarCmd.tooltip "斜體字">
+<!ENTITY underlineToolbarCmd.tooltip "加底線">
+<!ENTITY bulletListToolbarCmd.tooltip "套用或刪除符號式清單">
+<!ENTITY numberListToolbarCmd.tooltip "套用或刪除編號式清單">
+<!ENTITY outdentToolbarCmd.tooltip "文字向左縮排">
+<!ENTITY indentToolbarCmd.tooltip "文字向右縮排">
+<!ENTITY AlignPopupButton.tooltip "選擇文字對齊方式">
+<!ENTITY InsertPopupButton.tooltip "插入一個鏈結、錨點、圖片、水平線或是表格">
+<!ENTITY alignLeftButton.tooltip "將文字對齊左邊界">
+<!ENTITY alignCenterButton.tooltip "將文字對齊中央">
+<!ENTITY alignRightButton.tooltip "將文字對齊右邊界">
+<!ENTITY alignJustifyButton.tooltip "將文字對齊左右邊界">
+
+<!-- TOC manipulation -->
+<!ENTITY insertTOC.label          "插入">
+<!ENTITY insertTOC.accesskey      "I">
+<!ENTITY updateTOC.label          "更新">
+<!ENTITY updateTOC.accesskey      "U">
+<!ENTITY removeTOC.label          "移除">
+<!ENTITY removeTOC.accesskey      "R">
+<!ENTITY tocMenu.label            "目錄…">
+<!ENTITY tocMenu.accesskey        "b">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/mailComposeEditorOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/mailComposeEditorOverlay.dtd
new file mode 100644
index 0000000000..bf2ab83895
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/mailComposeEditorOverlay.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY attachImageSource.label         "將此圖片附在郵件裡">
+<!ENTITY attachImageSource.accesskey     "s">
+
+<!ENTITY attachLinkSource.label          "將此鏈結來源附在郵件裡">
+<!ENTITY attachLinkSource.accesskey      "s">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/messengercompose.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/messengercompose.dtd
new file mode 100644
index 0000000000..913582f83a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/messengercompose.dtd
@@ -0,0 +1,306 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE messengercompose.dtd Main UI for message composition -->
+<!ENTITY msgComposeWindow.title "新郵件: (無主旨)">
+
+<!-- File Menu -->
+<!ENTITY fileMenu.label "檔案">
+<!ENTITY fileMenu.accesskey "F">
+<!ENTITY newMenu.label "新增">
+<!ENTITY newMenu.accesskey "N">
+<!ENTITY newMessage.label "郵件">
+<!ENTITY newMessage.accesskey "M">
+<!ENTITY newMessageCmd2.key "N">
+<!ENTITY newContact.label "通訊錄連絡人…">
+<!ENTITY newContact.accesskey "C">
+<!ENTITY attachMenu.label "附件">
+<!ENTITY attachMenu.accesskey "t">
+<!ENTITY attachCloudCmd.label "雲端鏈結">
+<!ENTITY attachCloudCmd.accesskey "i">
+<!ENTITY attachPageCmd.label "網頁…">
+<!ENTITY attachPageCmd.accesskey "W">
+<!ENTITY remindLater.label "待會提醒我">
+<!ENTITY remindLater.accesskey "L">
+<!ENTITY closeCmd.label "關閉">
+<!ENTITY closeCmd.key "W">
+<!ENTITY closeCmd.accesskey "C">
+<!ENTITY saveCmd.label "儲存">
+<!ENTITY saveCmd.key "S">
+<!ENTITY saveCmd.accesskey "S">
+<!ENTITY saveAsCmd.label "另存新檔">
+<!ENTITY saveAsCmd.accesskey "a">
+<!ENTITY saveAsFileCmd.label "檔案…">
+<!ENTITY saveAsFileCmd.accesskey "F">
+<!ENTITY saveAsDraftCmd.label "草稿">
+<!ENTITY saveAsDraftCmd.accesskey "D">
+<!ENTITY saveAsTemplateCmd.label "範本">
+<!ENTITY saveAsTemplateCmd.accesskey "T">
+<!ENTITY sendNowCmd.label "立刻寄出">
+<!ENTITY sendCmd.keycode "VK_RETURN">
+<!ENTITY sendNowCmd.accesskey "d">
+<!ENTITY sendLaterCmd.label "稍候再寄">
+<!ENTITY sendLaterCmd.keycode "VK_RETURN">
+<!ENTITY sendLaterCmd.accesskey "L">
+<!ENTITY printCmd.label "列印…">
+<!ENTITY printCmd.key "P">
+<!ENTITY printCmd.accesskey "P">
+
+<!-- Edit Menu -->
+<!ENTITY editMenu.label "編輯">
+<!ENTITY editMenu.accesskey "E">
+<!ENTITY undoCmd.label "復原">
+<!ENTITY undoCmd.key "Z">
+<!ENTITY undoCmd.accesskey "U">
+<!ENTITY redoCmd.label "取消「復原」">
+<!ENTITY redoCmd.key "Y">
+<!ENTITY redoCmd.accesskey "R">
+<!ENTITY cutCmd.key "X">
+<!ENTITY copyCmd.key "C">
+<!ENTITY pasteCmd.key "V">
+<!ENTITY pasteNoFormattingCmd.key "V">
+<!ENTITY pasteAsQuotationCmd.key "o">
+<!ENTITY editRewrapCmd.accesskey "w">
+<!ENTITY deleteCmd.label "刪除">
+<!ENTITY deleteCmd.accesskey "D">
+<!ENTITY editRewrapCmd.label "重新斷行">
+<!ENTITY editRewrapCmd.key "R">
+<!ENTITY renameAttachmentCmd.label "重新命名附件…">
+<!ENTITY renameAttachmentCmd.accesskey "e">
+<!ENTITY reorderAttachmentsCmd.label "重排附件…">
+<!ENTITY reorderAttachmentsCmd.accesskey "s">
+<!ENTITY reorderAttachmentsCmd.key "x">
+<!ENTITY selectAllCmd.accesskey "A">
+<!ENTITY findBarCmd.label "尋找…">
+<!ENTITY findBarCmd.accesskey "F">
+<!ENTITY findBarCmd.key "F">
+<!ENTITY findReplaceCmd.label "尋找及取代…">
+<!ENTITY findReplaceCmd.accesskey "l">
+<!ENTITY findReplaceCmd.key "H">
+<!ENTITY findAgainCmd.label "找下一個">
+<!ENTITY findAgainCmd.accesskey "g">
+<!ENTITY findAgainCmd.key "G">
+<!ENTITY findAgainCmd.key2 "VK_F3">
+<!ENTITY findPrevCmd.label "找前一個">
+<!ENTITY findPrevCmd.accesskey "v">
+<!ENTITY findPrevCmd.key "G">
+<!ENTITY findPrevCmd.key2 "VK_F3">
+
+<!-- Reorder Attachment Panel -->
+<!ENTITY reorderAttachmentsPanel.label "重排附件">
+<!ENTITY moveAttachmentBundleUpPanelBtn.label "一起移動">
+
+<!-- LOCALIZATION NOTE (sortAttachmentsPanelBtn.Sort.AZ.label):
+     Please ensure that this translation matches
+     sortAttachmentsPanelBtn.Sort.ZA.label, except for the sort direction. -->
+<!ENTITY sortAttachmentsPanelBtn.Sort.AZ.label "排序: A-Z">
+<!ENTITY sortAttachmentsPanelBtn.Sort.ZA.label "排序: Z-A">
+<!-- LOCALIZATION NOTE (sortAttachmentsPanelBtn.SortSelection.AZ.label):
+     Please ensure that this translation matches
+     sortAttachmentsPanelBtn.SortSelection.ZA.label, except for the sort direction. -->
+<!ENTITY sortAttachmentsPanelBtn.SortSelection.AZ.label "排序選擇項目: A-Z">
+<!ENTITY sortAttachmentsPanelBtn.SortSelection.ZA.label "排序選擇項目: Z-A">
+<!ENTITY sortAttachmentsPanelBtn.key "y">
+
+<!-- View Menu -->
+<!ENTITY viewMenu.label "檢視">
+<!ENTITY viewMenu.accesskey "V">
+<!ENTITY viewToolbarsMenuNew.label "工具列">
+<!ENTITY viewToolbarsMenuNew.accesskey "T">
+<!ENTITY menubarCmd.label "選單列">
+<!ENTITY menubarCmd.accesskey "M">
+<!ENTITY showCompositionToolbarCmd.label "編輯工具列">
+<!ENTITY showCompositionToolbarCmd.accesskey "o">
+<!ENTITY showFormattingBarCmd.label "格式列">
+<!ENTITY showFormattingBarCmd.accesskey "F">
+<!ENTITY showTaskbarCmd.label "狀態列">
+<!ENTITY showTaskbarCmd.accesskey "S">
+<!ENTITY customizeToolbar.label "自訂…">
+<!ENTITY customizeToolbar.accesskey "C">
+
+<!ENTITY addressSidebar.label "通訊錄">
+<!ENTITY addressSidebar.accesskey "o">
+
+<!-- Format Menu -->
+<!ENTITY formatMenu.label "格式">
+<!ENTITY formatMenu.accesskey "o">
+
+<!-- Options Menu -->
+<!ENTITY optionsMenu.label "選項">
+<!ENTITY optionsMenu.accesskey "p">
+<!ENTITY checkSpellingCmd2.label "檢查拼字…">
+<!ENTITY checkSpellingCmd2.key "p">
+<!ENTITY checkSpellingCmd2.key2 "VK_F7">
+<!ENTITY checkSpellingCmd2.accesskey "h">
+<!ENTITY enableInlineSpellChecker.label "即時拼字檢查">
+<!ENTITY enableInlineSpellChecker.accesskey "S">
+<!ENTITY quoteCmd.label "引用前封訊息">
+<!ENTITY quoteCmd.accesskey "Q">
+
+<!--LOCALIZATION NOTE attachVCard.label Don't translate the term 'vCard' -->
+<!ENTITY attachVCard.label "附加個人名片 (vCard)">
+<!ENTITY attachVCard.accesskey "v">
+
+<!ENTITY returnReceiptMenu.label "收件回執">
+<!ENTITY returnReceiptMenu.accesskey "t">
+<!ENTITY dsnMenu.label "遞送狀態通知">
+<!ENTITY dsnMenu.accesskey "N">
+<!ENTITY priorityMenu.label "重要性">
+<!ENTITY priorityMenu.accesskey "P">
+<!ENTITY priorityButton.title "重要性">
+<!ENTITY priorityButton.tooltiptext "變更訊息重要性">
+<!ENTITY priorityButton.label "重要性:">
+<!ENTITY lowestPriorityCmd.label "最低">
+<!ENTITY lowestPriorityCmd.accesskey "L">
+<!ENTITY lowPriorityCmd.label "低">
+<!ENTITY lowPriorityCmd.accesskey "o">
+<!ENTITY normalPriorityCmd.label "標準">
+<!ENTITY normalPriorityCmd.accesskey "N">
+<!ENTITY highPriorityCmd.label "高">
+<!ENTITY highPriorityCmd.accesskey "i">
+<!ENTITY highestPriorityCmd.label "最高">
+<!ENTITY highestPriorityCmd.accesskey "H">
+<!ENTITY fileCarbonCopyCmd.label "寄送副本到">
+<!ENTITY fileCarbonCopyCmd.accesskey "d">
+<!ENTITY fileHereMenu.label "歸檔至此">
+
+<!-- Tools Menu -->
+<!ENTITY tasksMenu.label "工具">
+<!ENTITY tasksMenu.accesskey "T">
+<!ENTITY messengerCmd.label "郵件與新聞群組">
+<!ENTITY messengerCmd.accesskey "M">
+<!ENTITY messengerCmd.commandkey "1">
+<!ENTITY addressBookCmd.label "通訊錄">
+<!ENTITY addressBookCmd.accesskey "A">
+<!ENTITY addressBookCmd.key "B">
+<!ENTITY accountManagerCmd2.label "帳號設定">
+<!ENTITY accountManagerCmd2.accesskey "S">
+<!ENTITY accountManagerCmdUnix2.accesskey "S">
+
+<!--  Mac OS X Window Menu -->
+<!ENTITY minimizeWindow.key "m">
+<!ENTITY minimizeWindow.label "縮到最小">
+<!ENTITY bringAllToFront.label "將此程式所有視窗移至最前">
+<!ENTITY zoomWindow.label "縮放">
+<!ENTITY windowMenu.label "視窗">
+
+<!-- Mail Toolbar -->
+<!ENTITY sendButton.label "傳送">
+<!ENTITY quoteButton.label "引言">
+<!ENTITY addressButton.label "聯絡人">
+<!ENTITY spellingButton.label "拼字檢查">
+<!ENTITY saveButton.label "儲存">
+<!ENTITY printButton.label "列印">
+
+<!-- Mail Toolbar Tooltips -->
+<!ENTITY sendButton.tooltip "立刻寄出此訊息">
+<!ENTITY sendlaterButton.tooltip "稍後再寄出此封郵件">
+<!ENTITY quoteButton.tooltip "引入前封郵件的文字">
+<!ENTITY addressButton.tooltip "從通訊錄裡選擇收件者">
+<!ENTITY spellingButton.tooltip "對郵件的全部或反白部分檢查拼字">
+<!ENTITY saveButton.tooltip "儲存此訊息">
+<!ENTITY cutButton.tooltip              "剪下">
+<!ENTITY copyButton.tooltip             "複製">
+<!ENTITY pasteButton.tooltip            "貼上">
+<!ENTITY printButton.tooltip "列印此訊息">
+
+<!-- Headers -->
+<!--LOCALIZATION NOTE headersSpaces.style is for aligning  the From:, To: and
+    Subject: rows. It should be larger than the largest Header label  -->
+<!ENTITY headersSpace2.style "width: 8em;">
+<!ENTITY fromAddr2.label "從">
+<!ENTITY fromAddr.accesskey "r">
+<!ENTITY replyAddr2.label "回函地址">
+<!ENTITY newsgroupsAddr2.label "新聞群組">
+<!ENTITY followupAddr2.label "原文參見">
+<!ENTITY subject2.label "主旨">
+<!ENTITY subject.accesskey "S">
+<!ENTITY attachmentBucketCloseButton.tooltip "隱藏附件窗格">
+
+<!-- Format Toolbar, imported from editorAppShell.xhtml -->
+<!ENTITY SmileButton.tooltip "插入表情符號">
+<!ENTITY smiley1Cmd.label "微笑">
+<!ENTITY smiley2Cmd.label "皺眉頭">
+<!ENTITY smiley3Cmd.label "眨眼">
+<!ENTITY smiley4Cmd.label "吐舌頭">
+<!ENTITY smiley5Cmd.label "大笑">
+<!ENTITY smiley6Cmd.label "不好意思">
+<!ENTITY smiley7Cmd.label "猶豫">
+<!ENTITY smiley8Cmd.label "驚訝">
+<!ENTITY smiley9Cmd.label "親吻">
+<!ENTITY smiley10Cmd.label "大叫">
+<!ENTITY smiley11Cmd.label "酷臉">
+<!ENTITY smiley12Cmd.label "愛錢臉">
+<!ENTITY smiley13Cmd.label "失言">
+<!ENTITY smiley14Cmd.label "無辜">
+<!ENTITY smiley15Cmd.label "大哭">
+<!ENTITY smiley16Cmd.label "閉嘴">
+
+<!-- Message Pane Context Menu -->
+<!ENTITY spellCheckNoSuggestions.label "找不到任何建議">
+<!ENTITY spellCheckIgnoreWord.label "忽略單字">
+<!ENTITY spellCheckIgnoreWord.accesskey "I">
+<!ENTITY spellCheckAddToDictionary.label "新增到字典">
+<!ENTITY spellCheckAddToDictionary.accesskey "n">
+<!ENTITY undo.label "復原">
+<!ENTITY undo.accesskey "U">
+<!ENTITY cut.label "剪下">
+<!ENTITY cut.accesskey "t">
+<!ENTITY copy.label "複製">
+<!ENTITY copy.accesskey "C">
+<!ENTITY paste.label "貼上">
+<!ENTITY paste.accesskey "P">
+<!ENTITY pasteQuote.label "以引言方式貼上">
+<!ENTITY pasteQuote.accesskey "Q">
+
+<!-- Attachment Item and List Context Menus -->
+<!ENTITY openAttachment.label "開啟">
+<!ENTITY openAttachment.accesskey "O">
+<!ENTITY delete.label "刪除">
+<!ENTITY delete.accesskey "D">
+<!ENTITY removeAttachment.label "移除附加檔案">
+<!ENTITY removeAttachment.accesskey "m">
+<!ENTITY renameAttachment.label "重新命名…">
+<!ENTITY renameAttachment.accesskey "R">
+<!ENTITY reorderAttachments.label "重排附件…">
+<!ENTITY reorderAttachments.accesskey "s">
+<!ENTITY removeAllAttachments.label "移除所有附件">
+<!ENTITY removeAllAttachments.accesskey "v">
+<!ENTITY selectAll.label "全選">
+<!ENTITY selectAll.accesskey "A">
+<!ENTITY attachCloud.label "雲端鏈結…">
+<!ENTITY attachCloud.accesskey "i">
+<!ENTITY convertCloud.label "轉換成…">
+<!ENTITY convertCloud.accesskey "C">
+<!ENTITY cancelUpload.label "取消上傳">
+<!ENTITY cancelUpload.accesskey "n">
+<!ENTITY convertRegularAttachment.label "普通附件">
+<!ENTITY convertRegularAttachment.accesskey "a">
+<!ENTITY attachPage.label "附加網頁…">
+<!ENTITY attachPage.accesskey "W">
+
+<!-- Attachment Pane Header Bar Context Menu -->
+<!-- LOCALIZATION NOTE (initiallyShowAttachmentPane.label):
+     Should use the same wording as startExpandedCmd.label
+     in msgHdrViewOverlay.dtd. -->
+<!ENTITY initiallyShowAttachmentPane.label "啟動時顯示附件窗格">
+<!ENTITY initiallyShowAttachmentPane.accesskey "S">
+
+<!-- Spell checker context menu items -->
+<!ENTITY spellAddDictionaries.label "新增字典…">
+<!ENTITY spellAddDictionaries.accesskey "A">
+
+<!-- Title for the address picker panel -->
+<!ENTITY addressesSidebarTitle.label "聯絡人">
+
+<!-- Identity popup customize menuitem -->
+<!ENTITY customizeFromAddress.label "自訂寄件地址…">
+<!ENTITY customizeFromAddress.accesskey "A">
+
+<!-- Accessibility name for the document -->
+<!ENTITY aria.message.bodyName "訊息內文">
+
+<!-- Status Bar -->
+<!ENTITY languageStatusButton.tooltip "拼字檢查語言">
+<!ENTITY encodingStatusPanel.tooltip "文字編碼">
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/sendProgress.dtd b/l10n-zh-TW/mail/chrome/messenger/messengercompose/sendProgress.dtd
new file mode 100644
index 0000000000..f5a2dd2b28
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/sendProgress.dtd
@@ -0,0 +1,9 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE sendprogress.dtd Main UI for Send Message Progress Dialog -->
+<!ENTITY sendDialog.title "正在處理訊息">
+<!ENTITY status.label "狀態:">
+<!ENTITY progress.label "進度:">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/messengercompose/sendProgress.properties b/l10n-zh-TW/mail/chrome/messenger/messengercompose/sendProgress.properties
new file mode 100644
index 0000000000..818d26cb17
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/messengercompose/sendProgress.properties
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (titleSendMsgSubject):
+# %S will be replaced by the message subject.
+titleSendMsgSubject=正在傳送訊息 - %S
+titleSendMsg=正在寄出訊息
+# LOCALIZATION NOTE (titleSaveMsgSubject):
+# %S will be replaced by the message subject.
+titleSaveMsgSubject=正在儲存訊息 - %S
+titleSaveMsg=正在儲存訊息
+
+# LOCALIZATION NOTE (percentMsg):
+# This string is used to format the text to the right of the progress meter.
+# %S will be replaced by the percentage of the file that has been saved.
+# %% will be replaced a single % sign.
+percentMsg=%S%%
+
+messageSent=您的郵件已寄出。
+messageSaved=您的郵件已儲存。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/migration/migration.dtd b/l10n-zh-TW/mail/chrome/messenger/migration/migration.dtd
new file mode 100644
index 0000000000..0f13031191
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/migration/migration.dtd
@@ -0,0 +1,30 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<!ENTITY migrationWizard.title          "匯入精靈">
+
+<!ENTITY importFromWin.label            "匯入選項、帳號設定、通訊錄、篩選器以及其它資料從：">
+<!ENTITY importFromNonWin.label         "匯入偏好設定、帳號設定、通訊錄、篩選條件以及其它資料從：">
+<!ENTITY importSourceNotFound.label     "沒有找到可匯入資料的應用程式。">
+
+<!ENTITY importFromNothing.label        "不要匯入任何東西">
+<!ENTITY importFromNothing.accesskey    "D">
+<!ENTITY importFromSeamonkey3.label     "SeaMonkey 2 或更新版本">
+<!ENTITY importFromSeamonkey3.accesskey "S">
+<!ENTITY importFromOutlook.label        "Outlook">
+<!ENTITY importFromOutlook.accesskey    "O">
+
+<!ENTITY importSource.title             "由下列來源匯入設定與郵件匣:">
+<!ENTITY importItems.title              "要匯入的項目">
+<!ENTITY importItems.label              "選取要匯入的項目:">
+
+<!ENTITY migrating.title                "匯入中…">
+<!ENTITY migrating.label                "正在匯入下列項目…">
+
+<!ENTITY selectProfile.title            "選取設定檔">
+<!ENTITY selectProfile.label            "可匯入下列設定檔的內容:">
+
+<!ENTITY done.title                     "匯入完成">
+<!ENTITY done.label                     "成功匯入下列項目:">
diff --git a/l10n-zh-TW/mail/chrome/messenger/migration/migration.properties b/l10n-zh-TW/mail/chrome/messenger/migration/migration.properties
new file mode 100644
index 0000000000..2696e64e1a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/migration/migration.properties
@@ -0,0 +1,32 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+profileName_format=%S %S
+
+# Import Sources
+1_seamonkey=偏好設定
+
+1_thunderbird=偏好設定
+
+2_seamonkey=帳號設定
+2_thunderbird=帳號設定
+2_outlook=帳號設定
+
+4_seamonkey=通訊錄
+4_thunderbird=通訊錄
+4_outlook=通訊錄
+
+8_seamonkey=垃圾郵件訓練資料
+
+16_seamonkey=已存密碼
+
+32_seamonkey=其他資料
+
+64_seamonkey=新聞群組資料夾
+
+64_thunderbird=新聞群組資料夾
+
+128_seamonkey=郵件匣
+128_thunderbird=郵件匣
+128_outlook=郵件匣
diff --git a/l10n-zh-TW/mail/chrome/messenger/mime.properties b/l10n-zh-TW/mail/chrome/messenger/mime.properties
new file mode 100644
index 0000000000..cba14659d2
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mime.properties
@@ -0,0 +1,154 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by libmime to emit header display in HTML
+#
+
+# Mail subject
+## @name MIME_MHTML_SUBJECT
+## @loc None
+1000=主旨
+
+# Resent-Comments
+## @name MIME_MHTML_RESENT_COMMENTS
+## @loc
+1001=重寄註解
+
+# Resent-Date
+## @name MIME_MHTML_RESENT_DATE
+## @loc
+1002=重寄日期
+
+# Resent-Sender
+## @name MIME_MHTML_RESENT_SENDER
+## @loc
+1003=重寄寄件者
+
+# Resent-From
+## @name MIME_MHTML_RESENT_FROM
+## @loc
+1004=重寄來源 (From)
+
+# Resent-To
+## @name MIME_MHTML_RESENT_TO
+## @loc
+1005=重寄收件者 (To)
+
+# Resent-CC
+## @name MIME_MHTML_RESENT_CC
+## @loc
+1006=重寄副本 (CC)
+
+# Date
+## @name MIME_MHTML_DATE
+## @loc
+1007=日期
+
+# Sender
+## @name MIME_MHTML_SENDER
+## @loc
+1008=寄件者
+
+# From
+## @name MIME_MHTML_FROM
+## @loc
+1009=從
+
+# Reply-To
+## @name MIME_MHTML_REPLY_TO
+## @loc
+1010=回函地址
+
+# Organization
+## @name MIME_MHTML_ORGANIZATION
+## @loc
+1011=公司
+
+# To
+## @name MIME_MHTML_TO
+## @loc
+1012=到
+
+# CC
+## @name MIME_MHTML_CC
+## @loc
+1013=副本
+
+# Newsgroups
+## @name MIME_MHTML_NEWSGROUPS
+## @loc
+1014=新聞群組
+
+# Followup-To
+## @name MIME_MHTML_FOLLOWUP_TO
+## @loc
+1015=原文參見 (Followup-To)
+
+# References
+## @name MIME_MHTML_REFERENCES
+## @loc
+1016=參考資料
+
+# Message ID
+## @name MIME_MHTML_MESSAGE_ID
+## @loc
+1021=郵件編號
+
+# BCC
+## @name MIME_MHTML_BCC
+## @loc
+1023=密件副本 (BCC)
+
+# Link to doc
+## @name MIME_MSG_LINK_TO_DOCUMENT
+## @loc
+1026=鏈結至文件
+
+# Get Doc info
+## @name MIME_MSG_DOCUMENT_INFO
+## @loc
+1027=<B>文件資訊:</B>
+
+# Msg Attachment
+## @name MIME_MSG_ATTACHMENT
+## @loc
+1028=附件
+
+# default attachment name
+## @name MIME_MSG_DEFAULT_ATTACHMENT_NAME
+## @loc
+# LOCALIZATION NOTE (1040): Do not translate "%s" below.
+# Place the %s where you wish the part number of the attachment to appear
+1040=第 %s 部份
+
+# default forwarded message prefix
+## @name MIME_FORWARDED_MESSAGE_HTML_USER_WROTE
+## @loc
+1041=------- 原始郵件 -------
+
+# Partial Message Truncated
+## @name MIME_MSG_PARTIAL_TRUNCATED
+## @loc
+MIME_MSG_PARTIAL_TRUNCATED=已被截斷！
+
+# Partial Message Truncated Explanation
+## @name MIME_MSG_PARTIAL_TRUNCATED_EXPLANATION
+## @loc
+MIME_MSG_PARTIAL_TRUNCATED_EXPLANATION=此訊息超過帳號設定當中設定的最大訊息大小，所以我們只從郵件伺服器下載了最前面幾行。
+
+# Partial Message Not Downloaded
+## @name MIME_MSG_PARTIAL_NOT_DOWNLOADED
+## @loc
+MIME_MSG_PARTIAL_NOT_DOWNLOADED=未下載
+
+# Partial Message Not Downloaded Explanation
+## @name MIME_MSG_PARTIAL_NOT_DOWNLOADED_EXPLANATION
+## @loc
+MIME_MSG_PARTIAL_NOT_DOWNLOADED_EXPLANATION=只從郵件伺服器下載了此訊息的檔頭。
+
+# MIME_MSG_PARTIAL_CLICK_FOR_REST
+## @name MIME_MSG_PARTIAL_CLICK_FOR_REST
+## @loc
+MIME_MSG_PARTIAL_CLICK_FOR_REST=下載此訊息剩下的部分。
diff --git a/l10n-zh-TW/mail/chrome/messenger/mimeheader.properties b/l10n-zh-TW/mail/chrome/messenger/mimeheader.properties
new file mode 100644
index 0000000000..bd72ade77c
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/mimeheader.properties
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by libmime for header display in XML & HTML
+#
+TO=到
+BCC=密件副本
+CC=副本
+DATE=日期
+DISTRIBUTION=遞送目標 (Distribution)
+FCC=FCC
+FOLLOWUP-TO=原文參見 (Followup-To)
+FROM=從
+STATUS=狀態
+LINES=行
+MESSAGE-ID=郵件編號
+MIME-VERSION=MIME 版本
+NEWSGROUPS=新聞群組
+ORGANIZATION=公司
+REFERENCES=參考資料
+REPLY-TO=回函地址
+RESENT-COMMENTS=重寄註解
+RESENT-DATE=重寄日期
+RESENT-FROM=重寄來源 (From)
+RESENT-MESSAGE-ID=重寄郵件編號
+RESENT-SENDER=重寄寄件者
+RESENT-TO=重寄收件者 (To)
+RESENT-CC=重寄副本
+SENDER=寄件者
+SUBJECT=主旨
+APPROVED-BY=核准者
+USER-AGENT=使用者代理程式
+FILENAME=檔案名稱
diff --git a/l10n-zh-TW/mail/chrome/messenger/morkImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/morkImportMsgs.properties
new file mode 100644
index 0000000000..f0065218b9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/morkImportMsgs.properties
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the Mork import code to display status/error
+# and informational messages.
+#
+
+MABFiles = Mork 通訊錄
+
+# Short name of import module
+morkImportName = Mork 資料庫（.mab）
+
+# Description of import module
+morkImportDescription = 從 SeaMonkey 或舊版 Thunderbird 匯入通訊錄。
+
+morkImportSuccess = 成功！
diff --git a/l10n-zh-TW/mail/chrome/messenger/msgAccountCentral.dtd b/l10n-zh-TW/mail/chrome/messenger/msgAccountCentral.dtd
new file mode 100644
index 0000000000..671bfcecd8
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/msgAccountCentral.dtd
@@ -0,0 +1,26 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY emailSectionHdr.label        "電子郵件">
+<!ENTITY readMsgsLink.label           "讀取郵件">
+<!ENTITY composeMsgLink.label         "發新郵件">
+
+<!ENTITY newsSectionHdr.label         "新聞群組">
+<!ENTITY subscribeNewsLink.label      "管理新聞群組訂閱狀況">
+
+<!ENTITY feedsSectionHdr.label        "消息來源">
+<!ENTITY subscribeFeeds.label         "管理訂閱">
+
+<!ENTITY chat.label                   "聊天">
+
+<!ENTITY accountsSectionHdr.label     "帳號">
+<!ENTITY subscribeImapFolders.label   "管理訂閱目錄">
+<!ENTITY settingsLink.label           "檢視設定">
+<!ENTITY setupNewAcct.label           "設定帳號:">
+
+<!ENTITY advFeaturesSectionHdr.label  "進階功能">
+<!ENTITY searchMsgsLink.label         "搜尋訊息">
+<!ENTITY filtersLink.label            "管理篩選條件">
+<!ENTITY junkSettings.label           "垃圾郵件設定">
+<!ENTITY offlineLink.label            "離線模式設定">
diff --git a/l10n-zh-TW/mail/chrome/messenger/msgHdrViewOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/msgHdrViewOverlay.dtd
new file mode 100644
index 0000000000..f847ba6391
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/msgHdrViewOverlay.dtd
@@ -0,0 +1,114 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY toField4.label "給">
+<!ENTITY fromField4.label "從">
+<!ENTITY senderField4.label "寄件者">
+<!ENTITY author.label "作者">
+<!ENTITY organizationField4.label "公司">
+<!ENTITY replyToField4.label "回覆至">
+
+<!ENTITY subjectField4.label "主旨">
+<!ENTITY ccField4.label "副本">
+<!ENTITY bccField4.label "密件副本">
+<!ENTITY newsgroupsField4.label "新聞群組">
+<!ENTITY followupToField4.label "原文參見">
+<!ENTITY tagsHdr4.label "標籤">
+<!ENTITY dateField4.label "日期">
+<!ENTITY userAgentField4.label "使用者代理字串">
+<!ENTITY referencesField4.label "參考資料">
+<!ENTITY messageIdField4.label "郵件編號">
+<!ENTITY inReplyToField4.label "回覆給">
+<!ENTITY originalWebsite4.label "網站">
+
+<!ENTITY hdrArchiveButton1.label "備存">
+<!ENTITY hdrArchiveButton1.tooltip "備存此訊息">
+<!ENTITY hdrSmartReplyButton1.label "智慧回覆">
+<!ENTITY hdrReplyButton1.label "回覆">
+<!ENTITY hdrReplyButton2.tooltip "回應此訊息給寄件者">
+<!ENTITY hdrReplyAllButton1.label "回覆全部">
+<!ENTITY hdrReplyAllButton1.tooltip "回信給寄件者及所有收件者">
+<!ENTITY hdrReplyListButton1.label "回覆清單">
+<!ENTITY hdrReplyListButton1.tooltip "回覆到郵件群組">
+<!ENTITY hdrFollowupButton1.label "加入討論">
+<!ENTITY hdrFollowupButton1.tooltip "加入此郵件群組的討論">
+<!ENTITY hdrForwardButton1.label "轉寄">
+<!ENTITY hdrForwardButton1.tooltip "轉寄此訊息">
+<!ENTITY hdrJunkButton1.label "垃圾郵件">
+<!ENTITY hdrJunkButton1.tooltip "將此訊息標示為垃圾郵件">
+<!ENTITY hdrTrashButton1.label "刪除">
+<!ENTITY hdrTrashButton1.tooltip "刪除此訊息">
+
+<!ENTITY hdrViewToolbarShowFull.label "顯示圖示與文字">
+<!ENTITY hdrViewToolbarShowFull.accesskey "a">
+<!ENTITY hdrViewToolbarShowIcons.label "只顯示圖示">
+<!ENTITY hdrViewToolbarShowIcons.accesskey "I">
+<!ENTITY hdrViewToolbarShowText.label "只顯示文字">
+<!ENTITY hdrViewToolbarShowText.accesskey "T">
+<!ENTITY hdrViewToolbarAlwaysReplySender.label "總是顯示回覆給寄件者">
+<!ENTITY hdrViewToolbarAlwaysReplySender.accesskey "R">
+
+<!ENTITY otherActionsButton2.label "更多">
+<!ENTITY otherActionsButton.tooltip "更多操作">
+<!ENTITY otherActionsOpenConversation1.label "以討論串檢視模式開啟">
+<!ENTITY otherActionsOpenConversation1.accesskey "C">
+<!ENTITY otherActionsOpenInNewWindow1.label "開啟至新視窗">
+<!ENTITY otherActionsOpenInNewWindow1.accesskey "w">
+<!ENTITY otherActionsOpenInNewTab1.label "用新分頁開啟">
+<!ENTITY otherActionsOpenInNewTab1.accesskey "T">
+<!ENTITY markAsReadMenuItem1.label "標示為已讀">
+<!ENTITY markAsReadMenuItem1.accesskey "r">
+<!ENTITY markAsUnreadMenuItem1.label "標示為未讀">
+<!ENTITY markAsUnreadMenuItem1.accesskey "r">
+<!ENTITY saveAsMenuItem1.label "另存為…">
+<!ENTITY saveAsMenuItem1.accesskey "S">
+<!ENTITY viewSourceMenuItem1.label "檢視原始碼">
+<!ENTITY viewSourceMenuItem1.accesskey "V">
+<!ENTITY otherActionsPrint1.label "列印…">
+<!ENTITY otherActionsPrint1.accesskey "P">
+
+<!-- Attachment bar context menu items -->
+<!ENTITY startExpandedCmd.label    "啟動時顯示附件窗格">
+<!ENTITY startExpandedCmd.accesskey    "S">
+
+<!-- Attachment context menu items -->
+<!ENTITY openAttachmentCmd.label    "開啟">
+<!ENTITY openAttachmentCmd.accesskey    "O">
+<!ENTITY saveAsAttachmentCmd.label    "另存新檔…">
+<!ENTITY saveAsAttachmentCmd.accesskey    "S">
+<!ENTITY detachAttachmentCmd.label    "取出…">
+<!ENTITY detachAttachmentCmd.accesskey    "D">
+<!ENTITY deleteAttachmentCmd.label    "刪除">
+<!ENTITY deleteAttachmentCmd.accesskey    "e">
+<!ENTITY openAllAttachmentsCmd.label    "開啟全部…">
+<!ENTITY openAllAttachmentsCmd.accesskey    "O">
+<!ENTITY saveAllAttachmentsCmd.label    "全部儲存…">
+<!ENTITY saveAllAttachmentsCmd.accesskey    "s">
+<!ENTITY detachAllAttachmentsCmd.label    "全部取出…">
+<!ENTITY detachAllAttachmentsCmd.accesskey    "d">
+<!ENTITY deleteAllAttachmentsCmd.label    "全部刪除…">
+<!ENTITY deleteAllAttachmentsCmd.accesskey    "e">
+
+<!ENTITY openAttachment.tooltip "開啟附加的檔案">
+
+<!ENTITY detachedAttachmentFolder.show.label        "開啟所在資料夾">
+<!ENTITY detachedAttachmentFolder.show.accesskey    "F">
+<!ENTITY detachedAttachmentFolder.showMac.label     "在 Finder 中顯示">
+<!ENTITY detachedAttachmentFolder.showMac.accesskey "F">
+
+<!-- Attachment toolbar items -->
+<!ENTITY saveAttachmentButton1.label       "儲存">
+<!ENTITY saveAttachmentButton1.tooltip     "儲存附加檔案">
+<!ENTITY saveAllAttachmentsButton1.label   "儲存所有附件">
+<!ENTITY saveAllAttachmentsButton1.tooltip "儲存所有附加檔案">
+
+<!ENTITY copyLinkCmd.label        "複製鏈結網址">
+<!ENTITY copyLinkCmd.accesskey    "C">
+
+<!ENTITY CopyMessageId.label "複製 Message-ID">
+<!ENTITY CopyMessageId.accesskey "C">
+<!ENTITY OpenMessageForMsgId.label "開啟此 Message-ID 的郵件">
+<!ENTITY OpenMessageForMsgId.accesskey "O">
+<!ENTITY OpenBrowserWithMsgId.label "在瀏覽器開啟此 Message-ID 的郵件">
+<!ENTITY OpenBrowserWithMsgId.accesskey "B">
diff --git a/l10n-zh-TW/mail/chrome/messenger/msgSynchronize.dtd b/l10n-zh-TW/mail/chrome/messenger/msgSynchronize.dtd
new file mode 100644
index 0000000000..718d6dc0a7
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/msgSynchronize.dtd
@@ -0,0 +1,27 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from MsgSynchronize.xul and msgSelectOffline.xul-->
+
+<!-- extracted from MsgSynchronize.xul and msgSelectOfflineFolders.xul-->
+
+<!-- extracted from MsgSynchronize.xhtml and msgSelectOfflineFolders.xhtml-->
+
+<!ENTITY MsgSynchronize.label "下載及同步郵件">
+<!ENTITY MsgSelect.label "選擇可離線閱讀的項目">
+<!ENTITY MsgSyncDesc.label "如果您已經選好了要離線閱讀的郵件匣或新聞群組，您可以立刻下載或進行同步。否則請按「選擇」以選擇要離線閱讀的郵件匣與新聞群組。">
+<!ENTITY MsgSyncDirections.label "下載與同步下列項目:">
+<!ENTITY syncTypeMail.label "郵件訊息">
+<!ENTITY syncTypeMail.accesskey "M">
+<!ENTITY syncTypeNews.label "新聞群組訊息">
+<!ENTITY syncTypeNews.accesskey "N">
+<!ENTITY sendMessage.label "寄出未寄郵件">
+<!ENTITY sendMessage.accesskey "S">
+<!ENTITY workOffline.label "下載或同步完成後立刻離線">
+<!ENTITY workOffline.accesskey "W">
+<!ENTITY selectButton.label "選擇…">
+<!ENTITY selectButton.accesskey "e">
+<!ENTITY MsgSelectDesc.label "選擇要離線閱讀的郵件匣及新聞群組。">
+<!ENTITY MsgSelectInd.label "下載">
+<!ENTITY MsgSelectItems.label "郵件匣與新聞群組">
diff --git a/l10n-zh-TW/mail/chrome/messenger/msgViewPickerOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/msgViewPickerOverlay.dtd
new file mode 100644
index 0000000000..aef3638bfd
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/msgViewPickerOverlay.dtd
@@ -0,0 +1,23 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!--LOCALIZATION NOTE msgViewPickerOverlay.dtd UI for showing various views on a folder -->
+
+<!ENTITY viewPicker.label "檢視:">
+<!ENTITY viewPicker.accesskey "i">
+<!ENTITY viewAll.label "全部">
+<!ENTITY viewAll.accesskey "A">
+<!ENTITY viewUnread.label "未讀">
+<!ENTITY viewUnread.accesskey "U">
+<!ENTITY viewNotDeleted.label "未刪除">
+<!ENTITY viewNotDeleted.accesskey "D">
+<!ENTITY viewTags.label "標籤">
+<!ENTITY viewTags.accesskey "T">
+<!ENTITY viewCustomViews.label "自訂檢視">
+<!ENTITY viewCustomViews.accesskey "V">
+<!ENTITY viewVirtualFolder.label "儲存檢視結果為資料夾…">
+<!ENTITY viewVirtualFolder.accesskey "S">
+<!ENTITY viewCustomizeView.label "自訂…">
+<!ENTITY viewCustomizeView.accesskey "C">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/msgmdn.properties b/l10n-zh-TW/mail/chrome/messenger/msgmdn.properties
new file mode 100644
index 0000000000..87ac67eb46
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/msgmdn.properties
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+## Msg Mdn Report strings
+MsgMdnDisplayed=注意：收件回執只能表示郵件已顯示在收件者的電腦上，並不代表收件者讀過郵件或了解郵件中的內容。
+MsgMdnDispatched=收件者可能將郵件列印、傳真或轉寄而沒有讀過郵件，但是這不保證收件者稍後將會閱讀列印或傳真出來的郵件。
+MsgMdnProcessed=郵件已被收件者的郵件程式處理但尚未顯示，但這不保證收件者稍後將會閱讀郵件。
+MsgMdnDeleted=郵件已被刪除，對方可能看過或沒看過這封郵件，收件者也有可能取消刪除並再次閱讀。
+MsgMdnDenied=收件者拒絕寄回收件回執給您。
+MsgMdnFailed=發生錯誤，無法產生正確的收件回執或寄回給您。
+# LOCALIZATION NOTE : Do not translate the word "%S" below.
+MsgMdnMsgSentTo=這是您寄給 %S 的郵件所傳回的收件回執。
+MdnDisplayedReceipt=收件回執（已顯示）
+MdnDispatchedReceipt=收件回執（已轉送）
+MdnProcessedReceipt=收件回執（已處理）
+MdnDeletedReceipt=收件回執（已刪除）
+MdnDeniedReceipt=收件回執（已拒絕）
+MdnFailedReceipt=收件回執（已失敗）
diff --git a/l10n-zh-TW/mail/chrome/messenger/multimessageview.dtd b/l10n-zh-TW/mail/chrome/messenger/multimessageview.dtd
new file mode 100644
index 0000000000..60c075ea9a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/multimessageview.dtd
@@ -0,0 +1,9 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY window.title             "郵件摘要">
+<!ENTITY selectedmessages.label   "已選郵件">
+<!ENTITY archiveButton.label      "備存">
+<!ENTITY deleteButton.label       "刪除">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/multimessageview.properties b/l10n-zh-TW/mail/chrome/messenger/multimessageview.properties
new file mode 100644
index 0000000000..bfdae0e337
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/multimessageview.properties
@@ -0,0 +1,66 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (numConversations): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# The number of conversations (threads or solitary messages) selected. #1 is the
+# number of conversations.
+numConversations=#1 個討論串
+
+# LOCALIZATION NOTE (atLeastNumConversations): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# The number of conversations (threads or solitary messages) selected. #1 is the
+# number of conversations. We use this when we didn't actually scan the entire
+# list of selected messages, so there may be more conversations than reported
+# (or maybe not!).
+atLeastNumConversations=#1+ 個討論串
+
+# LOCALIZATION NOTE (numMessages): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# The number of messages in a thread. #1 is the number of messages.
+numMessages=#1 封郵件
+
+# LOCALIZATION NOTE (numUnread): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# The number of unread messages in a thread; meant to be appended to
+# "numMessages". #1 is the number of unread messages.
+numUnread=，#1 封未讀
+
+# LOCALIZATION NOTE (numIgnored): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# The number of ignored messages in a thread; meant to be appended to
+# "numMessages". #1 is the number of ignored messages.
+numIgnored=，已忽略 #1 封
+
+# LOCALIZATION NOTE (atLeastNumIgnored): Semi-colon list of plural forms.
+# See: https://developer.mozilla.org/en/Localization_and_Plurals
+# The number of ignored messages in a thread; meant to be appended to
+# "numMessages". #1 is the number of ignored messages. We use this when we
+# didn't actually scan the entire list of selected messages, so there may be
+# more ignored messages than reported (or maybe not!).
+atLeastNumIgnored=，忽略 #1+ 個
+
+# LOCALIZATION NOTE (noSubject): What to display for a message if it has no
+# subject.
+noSubject=(無主旨)
+
+# LOCALIZATION NOTE (messagesTotalSize): A message indicating the total size on
+# disk of the selected messages. #1 is the size, e.g. "123 KB".
+messagesTotalSize=這些訊息使用了 #1 的空間。
+
+# LOCALIZATION NOTE (messagesTotalSizeMoreThan): A message indicating the total
+# size on disk of the selected messages. #1 is the size, e.g. "123 KB". We use
+# this when we didn't actually scan the entire list of selected messages, so
+# this is a *minimum* size.
+messagesTotalSizeMoreThan=這些訊息使用超過 #1 空間。
+
+# LOCALIZATION NOTE (maxCountExceeded): A message to let the user know that not
+# all of the selected messages were summarized. #1 is the total number of
+# messages selected and #2 is the number of messages actually shown.
+maxCountExceeded= （註：已選擇 #1 封郵件，僅顯示前 #2 封）
+
+# LOCALIZATION NOTE (maxThreadCountExceeded): A message to let the user know that
+# not all of the selected thread were summarized. #1 is the total number of
+# threads selected and #2 is the number of threads actually shown.
+maxThreadCountExceeded= （註：已選擇 #1 個討論串，僅顯示前 #2 個）
diff --git a/l10n-zh-TW/mail/chrome/messenger/newFolderDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/newFolderDialog.dtd
new file mode 100644
index 0000000000..ec135cbd95
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/newFolderDialog.dtd
@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+   
+<!-- Labels -->
+<!ENTITY newFolderDialog.title      "新資料夾">
+<!ENTITY name.label                 "名稱:">
+<!ENTITY name.accesskey             "N">
+<!ENTITY description.label          "在下列位置建立子資料夾:">
+<!ENTITY description.accesskey      "C">
+<!ENTITY folderRestriction1.label   "伺服器限制只能有兩種特殊資料夾。">
+<!ENTITY folderRestriction2.label   "您的新資料夾可以有:">
+<!ENTITY foldersOnly.label          "只有資料夾">
+<!ENTITY messagesOnly.label         "只有訊息">
+<!ENTITY accept.label               "建立資料夾">
+<!ENTITY accept.accesskey           "r">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/news.properties b/l10n-zh-TW/mail/chrome/messenger/news.properties
new file mode 100644
index 0000000000..36d7abd8e7
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/news.properties
@@ -0,0 +1,57 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+downloadHeadersTitlePrefix=下載檔頭資訊
+downloadHeadersInfoText=此新聞群組中有 %S 項新文章資訊 (Header) 要下載。
+cancelDisallowed=這篇文章不是您發的。您只能取消您發的文章，而非別人的。
+cancelConfirm=您確定要取消這封郵件嗎？
+messageCancelled=郵件已取消。
+enterUserPassTitle=需要輸入新聞群組伺服器的使用者名稱與密碼
+# LOCALIZATION NOTE (enterUserPassServer): %S is the server being accessed
+enterUserPassServer=請輸入 %S 伺服器的使用者名稱與密碼:
+# LOCALIZATION NOTE (enterUserPassGroup): %1$S is a specific newsgroup to set
+# the password for; %2$S is the server from which the newsgroup is accessed
+enterUserPassGroup=請輸入 %2$S 伺服器上 %1$S 新聞群組的使用者名稱與密碼:
+okButtonText=下載
+
+noNewMessages=目前沒有新郵件。
+# LOCALIZATION NOTE (newNewsgroupHeaders): %1$S is the number of the current
+# header being downloaded, %2$S is the number of headers to be downloaded, and
+#  %3$S is the newsgroup whose headers are being downloaded.
+newNewsgroupHeaders=正在從 %3$S 下載第 %1$S / %2$S 個訊息標頭
+# LOCALIZATION NOTE (newNewsgroupFilteringHeaders): %1$S is the name of the MIME
+# header being filtered on, %2$S is the number of the current header being
+# downloaded, %3$S is the number of headers to be downloaded, and %4$S is the
+# newsgroup whose headers are being downloaded.
+newNewsgroupFilteringHeaders=正在從 %4$S 取得 %1$S 篩選條件的第 %2$S / %3$S 個標頭
+downloadingArticles=下載文章中: %S-%S
+bytesReceived=正在下載新聞訊息: 已接收 %S 封（已收到 %SKB，速率: %SKB/秒）
+downloadingArticlesForOffline=下載文章中: %S-%S [%S]
+
+# LOCALIZATION NOTE (autoUnsubscribeText): %1$S is the newsgroup and %2$S is the newsgroup-server it is being removed from.
+autoUnsubscribeText=群組 %1$S 不在 %2$S 上。您要停止訂閱嗎？
+
+# LOCALIZATION NOTE (autoSubscribeText): %1$S is the newsgroup.
+autoSubscribeText=您想訂閱 %1$S 嗎？
+
+# LOCALIZATION NOTE (Error -304): In the following item, don't translate "NNTP"
+# Error - server error
+## @name NNTP_ERROR_MESSAGE
+## @loc None
+-304=新聞群組 (NNTP) 錯誤:
+
+# Error - newsgroup scan error
+## @name NNTP_NEWSGROUP_SCAN_ERROR
+## @loc None
+-305=新聞群組錯誤。沒有掃瞄完所有的新聞群組。請稍候再試
+
+# Error - NNTP authinfo failure
+## @name NNTP_AUTH_FAILED
+## @loc None
+-260=認證錯誤，請重新輸入您的帳號及密碼。
+
+# Error - TCP error
+## @name TCP_ERROR
+## @loc None
+-206=通訊錯誤。請稍候再試。TCP 錯誤:
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/newsError.dtd b/l10n-zh-TW/mail/chrome/messenger/newsError.dtd
new file mode 100644
index 0000000000..f5dbadf6e0
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/newsError.dtd
@@ -0,0 +1,31 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE (newsError.title): The title of the news error page.
+     Not generally visible. -->
+<!ENTITY newsError.title "載入文章時發生問題">
+
+<!-- LOCALIZATION NOTE (articleNotFound.title): The main heading for the news
+     error page. -->
+<!ENTITY articleNotFound.title "找不到文章">
+
+<!-- LOCALIZATION NOTE (articleNotFound.desc): A longer description for the news
+     error page. -->
+<!ENTITY articleNotFound.desc "新聞群組伺服器回報找不到文章。">
+
+<!-- LOCALIZATION NOTE (serverResponded.title): A string preceding the text
+     response from the newsgroup server describing the error. -->
+<!ENTITY serverResponded.title "新聞群組伺服器回應:">
+
+<!-- LOCALIZATION NOTE (articleExpired.title): A string explaining that the
+     article may have expired. -->
+<!ENTITY articleExpired.title "或許是文章過期了？">
+
+<!-- LOCALIZATION NOTE (trySearching.title): A string preceding the message's
+     ID. -->
+<!ENTITY trySearching.title "請試著搜尋文章:">
+
+<!-- LOCALIZATION NOTE (removeExpiredArticles.title): The label for the button
+     to remove all expired articles from the newsgroup. -->
+<!ENTITY removeExpiredArticles.title "移除所有已過期的文章">
diff --git a/l10n-zh-TW/mail/chrome/messenger/offline.properties b/l10n-zh-TW/mail/chrome/messenger/offline.properties
new file mode 100644
index 0000000000..b20f34e2b4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/offline.properties
@@ -0,0 +1,29 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Download Messages Prompt
+downloadMessagesWindowTitle1=下載郵件
+downloadMessagesLabel1=您要下載郵件以供離線閱讀嗎？
+downloadMessagesCheckboxLabel1=在我離線前一律詢問我
+downloadMessagesNow2=立刻下載
+
+# Send Messages Prompt
+sendMessagesWindowTitle1=未寄郵件
+sendMessagesLabel2=您想現在寄出還未寄出的郵件嗎？
+sendMessagesCheckboxLabel1=當我連線時一律詢問我
+sendMessagesNow2=立刻寄出
+
+processMessagesLater2=稍後處理
+
+# GetMessages While Offline Prompt
+getMessagesOfflineWindowTitle1=下載郵件
+getMessagesOfflineLabel1=您正處於離線模式，要立刻連線檢查下載新郵件嗎？
+
+# Send Messages Offline Prompt
+sendMessagesOfflineWindowTitle1=未寄郵件
+sendMessagesOfflineLabel1=您處於離線模式。您想要切到連線模式並寄出尚未寄出的郵件嗎？
+
+offlineTooltip=您目前處於離線狀態。
+onlineTooltip=您目前在線上。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/offlineStartup.properties b/l10n-zh-TW/mail/chrome/messenger/offlineStartup.properties
new file mode 100644
index 0000000000..c629b1219d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/offlineStartup.properties
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+title=連線模式
+desc=要立刻切換至連線模式嗎？\n\n（若選擇離線模式，之後仍可於「檔案＞離線模式」切換）
+workOnline=連線模式
+workOffline=離線模式
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/outlookImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/outlookImportMsgs.properties
new file mode 100644
index 0000000000..315ffae71f
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/outlookImportMsgs.properties
@@ -0,0 +1,83 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the outlook express import code to display status/error 
+# and informational messages
+#
+
+#
+# The following are used by the outlook express import code to display status/error
+# and informational messages
+#
+
+#
+# The following are used by the Outlook import code to display status/error
+# and informational messages
+#
+
+# Short name of import module
+## @name OUTLOOKIMPORT_NAME
+## @loc None
+## LOCALIZATION NOTE (2000): DONT_TRANSLATE
+2000=Outlook
+
+# Description of import module
+## @name OUTLOOKIMPORT_DESCRIPTION
+## @loc None
+## LOCALIZATION NOTE (2010): In this item, don't translate "Outlook"
+2010=Outlook 郵件、通訊錄和設定。
+
+# Success message
+## @name OUTLOOKIMPORT_MAILBOX_SUCCESS
+## @loc None
+## LOCALIZATION NOTE (2002): In this item, don't translate "%S" or "%d"
+## The variable %S will receive the name of the mailbox
+## The variable %d will receive the number of messages
+2002=已從郵件匣 %S 中匯入 %d 封信
+
+# Error message
+## @name OUTLOOKIMPORT_MAILBOX_BADPARAM
+## @loc None
+2003=匯入郵件匣時傳入的參數錯誤。
+
+# Error message
+## @name OUTLOOKIMPORT_MAILBOX_CONVERTERROR
+## @loc None
+## LOCALIZATION NOTE (2004): In this item, don't translate "%S"
+## The variable %S will receive the name of the mailbox
+2004=匯入郵件匣 %S 時發生錯誤，可能沒有匯入所有信件。
+
+# Address book name
+## @name OUTLOOKIMPORT_ADDRNAME
+## @loc None
+## LOCALIZATION NOTE (2005): In this item, don't translate "Outlook"
+2005=Outlook 通訊錄
+
+# Description
+## @name OUTLOOKIMPORT_ADDRESS_SUCCESS
+## @loc None
+## LOCALIZATION NOTE (2006): In this item, don't translate "%S"
+## The variable %S will receive the name of the address book
+2006=已匯入通訊錄 %S
+
+# Error message
+## @name OUTLOOKIMPORT_ADDRESS_BADPARAM
+## @loc None
+2007=匯入通訊錄傳入參數錯誤。
+
+# Error message
+## @name OUTLOOKIMPORT_ADDRESS_BADSOURCEFILE
+## @loc None
+## LOCALIZATION NOTE (2008): In this item, don't translate "%S"
+## The variable %S will receive the name of the address book
+2008=無法存取通訊錄檔案 %S。
+
+# Error message
+## @name OUTLOOKIMPORT_ADDRESS_CONVERTERROR
+## @loc None
+## LOCALIZATION NOTE (2009): In this item, don't translate "%S"
+## The variable %S will receive the name of the address book
+2009=匯入通訊錄 %S 時發生錯誤，可能沒有匯入全部資料。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/pgpmime.properties b/l10n-zh-TW/mail/chrome/messenger/pgpmime.properties
new file mode 100644
index 0000000000..89333ec85d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/pgpmime.properties
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the pgpmime content type handler
+#
+
+# LOCALIZATION NOTE(pgpMimeNeedsAddon): The text can contain HTML tags.
+pgpNotAvailable=這是一封加密過的 OpenPGP 訊息，但目前不支援 OpenPGP 解密。
diff --git a/l10n-zh-TW/mail/chrome/messenger/preferences/applicationManager.properties b/l10n-zh-TW/mail/chrome/messenger/preferences/applicationManager.properties
new file mode 100644
index 0000000000..3d115537be
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/preferences/applicationManager.properties
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE
+# in descriptionApplications, %S will be replaced by one of the 3 following strings
+descriptionApplications=下列程式可用來處理 %S。
+
+handleProtocol=%S 鏈結
+handleFile=%S 內容
+
+descriptionWebApp=此網路應用程式架設在:
+descriptionLocalApp=此程式位於:
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/preferences/applications.properties b/l10n-zh-TW/mail/chrome/messenger/preferences/applications.properties
new file mode 100644
index 0000000000..c7b2de8500
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/preferences/applications.properties
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE (dialog_removeAccount):
+# %S will be replaced with the user-defined name of a storage account.
+dialog_removeAccount=您確定要移除帳號「%S」嗎？
+
+# LOCALIZATION NOTE (addProvider):
+# %S will be replace with the display name of a provider, e.g. DropBox
+addProvider=新增 %S
+
+notConfiguredYet=尚未設定此帳號
diff --git a/l10n-zh-TW/mail/chrome/messenger/preferences/messagestyle.properties b/l10n-zh-TW/mail/chrome/messenger/preferences/messagestyle.properties
new file mode 100644
index 0000000000..743120b3f9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/preferences/messagestyle.properties
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Content of preview conversation for chat message styles
+default=預設值
+nick1=家豪
+buddy1=how@im.instantbird.org
+nick2=志明
+buddy2=aming@im.instantbird.org
+message1=嗨！:-)
+message2=最近怎麼樣？
+message3=我在試用 Thunderbird！;-)
diff --git a/l10n-zh-TW/mail/chrome/messenger/preferences/preferences.properties b/l10n-zh-TW/mail/chrome/messenger/preferences/preferences.properties
new file mode 100644
index 0000000000..04f6a6bd1e
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/preferences/preferences.properties
@@ -0,0 +1,100 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#### Junk
+confirmResetJunkTrainingTitle=確認
+confirmResetJunkTrainingText=您確定要重設「漸進式郵件控制」的訓練資料嗎？
+
+#### Downloads
+desktopFolderName=桌面
+myDownloadsFolderName=我的下載目錄
+chooseAttachmentsFolderTitle=選擇資料夾
+
+#### Applications
+
+fileEnding=%S 檔案
+saveFile=儲存檔案
+
+# LOCALIZATION NOTE (useApp, useDefault): %S = Application name
+useApp=使用 %S
+useDefault=使用 %S (預設程式)
+
+useOtherApp=使用其他程式…
+fpTitleChooseApp=選取對應程式
+manageApp=程式詳細資訊…
+alwaysAsk=總是詢問
+delete=刪除動作
+confirmDeleteTitle=刪除動作
+confirmDeleteText=您確定要刪除此動作？
+
+# LOCALIZATION NOTE (typeDescriptionWithDetails):
+# %1$S = type description (for example "Portable Document Format")
+# %2$S = details (see below, for example "(application/pdf: .pdf, .pdfx)")
+typeDescriptionWithDetails=%1$S %2$S
+
+# LOCALIZATION NOTE (typeDetailsWithTypeOrExt):
+# %1$S = type or extensions (for example "application/pdf", or ".pdf, .pdfx")
+typeDetailsWithTypeOrExt=(%1$S)
+
+# LOCALIZATION NOTE (typeDetailsWithTypeAndExt):
+# %1$S = type (for example "application/pdf")
+# %2$S = extensions (for example ".pdf, .pdfx")
+typeDetailsWithTypeAndExt=(%1$S: %2$S)
+
+#### Sound Notifications
+soundFilePickerTitle=選取音效
+
+#### Remote content
+imagepermissionstext=您可以指定要載入來自哪些網站的遠端內容，也可以允許某位寄件者寄來的郵件當中的遠端內容。請輸入您想要管理的網站網址或寄件者信箱，然後點擊「封鎖」或「允許」。
+imagepermissionstitle=例外 - 遠端內容
+
+#### Cookies
+cookiepermissionstitle=例外網站 - Cookie
+cookiepermissionstext=您可以指定網站能否使用 Cookie。請輸入完整網址後按「封鎖」、「允許此次連線 (Session)」或「允許」。
+
+#### Cookie Viewer
+hostColon=主機:
+domainColon=網域:
+forSecureOnly=僅限加密安全連線
+forAnyConnection=任何類型的連線
+expireAtEndOfSession=連線結束時
+
+noCookieSelected=<未選取 Cookie>
+cookiesAll=您的電腦中已儲存下列的 Cookie:
+cookiesFiltered=下列為符合您搜尋條件的 Cookie:
+# LOCALIZATION NOTE (removeSelectedCookies):
+# Semicolon-separated list of plural forms. See:
+# https://developer.mozilla.org/en/docs/Localization_and_Plurals
+# If you need to display the number of selected elements in your language,
+# you can use #1 in your localization as a placeholder for the number.
+# For example this is the English string with numbers:
+# removeSelectedCookies=Remove #1 Selected;Remove #1 Selected
+removeSelectedCookies=移除選擇項目
+defaultUserContextLabel=無
+
+####Preferences::Advanced::Network
+#LOCALIZATION NOTE: The next string is for the disk usage of the cache.
+#   e.g., "Your cache is currently using 200 MB"
+#   %1$S = size
+#   %2$S = unit (MB, KB, etc.)
+actualDiskCacheSize=您的快取使用了 %1$S %2$S 的磁碟空間
+actualDiskCacheSizeCalculated=正在計算快取大小…
+
+# LOCALIZATION NOTE (labelDefaultFont): %S = font name
+labelDefaultFont=預設（%S）
+labelDefaultFontUnnamed=預設
+
+# LOCALIZATION NOTE (appLocale.label): %S = Name of the application locale,
+# e.g. English (United States)
+appLocale.label=應用程式語系: %S
+appLocale.accesskey=p
+# LOCALIZATION NOTE (rsLocale.label): %S = Name of the locale chosen in regional settings,
+# e.g. German (Germany)
+rsLocale.label=區域設定語系: %S
+rsLocale.accesskey=g
+
+applications-type-pdf = 可攜式文件格式（PDF）
+
+# LOCALIZATION NOTE (previewInApp): %S = brandShortName
+previewInApp=在 %S 中預覽
diff --git a/l10n-zh-TW/mail/chrome/messenger/prefs.properties b/l10n-zh-TW/mail/chrome/messenger/prefs.properties
new file mode 100644
index 0000000000..e58df41f1a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/prefs.properties
@@ -0,0 +1,90 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# The following are used by the Account Wizard
+#
+enterValidEmail=請輸入正確的電子郵件地址。
+accountNameExists=已有使用此名稱的帳號，請輸入不同帳號名稱。
+accountNameEmpty=帳號名稱不得為空白。
+modifiedAccountExists=指定的伺服器上已有此使用者名稱。請換一個使用者名稱或選另一個伺服器。
+userNameChanged=您的使用者名稱已改變。您可能要更正這個名稱對應的電子郵件地址。
+serverNameChanged=伺服器名稱設定已改變。請確定新伺服器有所有篩選條件所需要的資料夾。
+# LOCALIZATION NOTE (junkSettingsBroken): %1$S is the account name
+junkSettingsBroken=「%1$S」帳號的垃圾郵件篩選設定可能有點問題。您想要在儲存帳號設定前確認一下嗎？
+# LOCALIZATION NOTE (localDirectoryChanged): %1$S is program name (&brandShortName;)
+localDirectoryChanged=您需要重新啟動 %1$S 才能讓本地目錄設定的修改生效。
+localDirectoryRestart=重新啟動
+userNameEmpty=使用者名稱不能空白。
+# LOCALIZATION NOTE (localDirectoryInvalid): %1$S is path to folder
+localDirectoryInvalid=本機資料夾路徑「%1$S」無效。請指定不同的目錄。
+# LOCALIZATION NOTE (localDirectoryNotAllowed): %1$S is path to folder
+localDirectoryNotAllowed=本機資料夾路徑「%1$S」無法儲存訊息，請選擇其他資料夾。
+# if the user chooses to cancel the wizard when no accounts are there throw a message
+# LOCALIZATION NOTE (cancelWizard)
+# do not localize "\n\n"
+cancelWizard=您確定要結束帳號精靈？\n\n若結束，將會失去所有輸入的資訊，也不會建立帳號。
+accountWizard=帳號管理精靈
+WizardExit=結束
+WizardContinue=取消
+# when the wizard already has a domain (Should we say something different?)
+enterValidServerName=請輸入有效的伺服器名稱。
+failedRemoveAccount=無法移除此帳號
+#LOCALIZATION NOTE: accountName: %1$S is server name, %2$S is user name
+accountName=%1$S - %2$S
+
+# LOCALIZATION NOTE: confirmDeferAccountWarning: do not localize "\n\n", it means a new empty line in the string.
+confirmDeferAccountWarning=若您將此帳號的新郵件儲存於不同帳號的收件匣，您將無法存取此帳號已下載的電子郵件。若您在此帳號已有郵件，請先將其複製到其他帳號的資料夾。\n\n若您已設定將郵件篩選至此帳號的資料夾，您應該停用那些篩選條件，或是修改目的資料夾。若任何帳號在此帳號中有特別的資料夾（例如寄件備份、草稿、範本、備存、垃圾信件等資料夾），您應該將其資料夾移動到其他帳號。\n\n您還想要將此帳號的電子郵件儲存到其他帳號嗎？
+confirmDeferAccountTitle=延遲帳號？
+
+directoryAlreadyUsedByOtherAccount=本地目錄選項當中所指定的目錄已被「%S」帳號使用。請指定不同的目錄。
+directoryParentUsedByOtherAccount=本地目錄選項當中所指定目錄的上層目錄已被「%S」帳號使用。請指定不同的目錄。
+directoryChildUsedByOtherAccount=本地目錄選項當中所指定目錄的子目錄已被「%S」帳號使用。請指定不同的目錄。
+#Provide default example values for sample email address
+exampleEmailUserName=user
+exampleEmailDomain=mozilla.org
+emailFieldText=電子郵件地址:
+#LOCALIZATION NOTE: defaultEmailText: %1$S is user name, %2$S is domain
+defaultEmailText=輸入您的電子郵件地址。（例如: %1$S@%2$S）
+#LOCALIZATION NOTE: customizedEmailText: %1$S is provider, %2$S is email username, %3$S is sample email, %4$S is sample username
+customizedEmailText=輸入您的 %1$S %2$S。(一般來說，如果您 %1$S 的電子郵件帳號是「%3$S」，您的 %2$S 就是「%4$S」）
+
+# account manager stuff
+prefPanel-server=伺服器設定
+prefPanel-copies=備份與郵件匣
+prefPanel-synchronization=同步與儲存
+prefPanel-diskspace=磁碟空間
+prefPanel-addressing=寫信與通訊錄
+prefPanel-junk=垃圾郵件設定
+## LOCALIZATION NOTE (prefPanel-smtp): Don't translate "SMTP"
+prefPanel-smtp=SMTP 寄件伺服器
+
+# account manager multiple identity support
+#LOCALIZATION NOTE: accountName: %1$S
+identity-list-title=%1$S 的身份
+
+identityDialogTitleAdd=新身份
+## LOCALIZATION NOTE (identityDialogTitleEdit): %S is the identity name
+identityDialogTitleEdit=編輯 %S
+
+identity-edit-req=您必須指定此身份所使用的電子郵件地址。
+identity-edit-req-title=建立身份時發生錯誤
+
+## LOCALIZATION NOTE (identity-delete-confirm): %S is the identity name
+# and should be put on a new line. The new line is produced with the "\n" string.
+identity-delete-confirm=您確定要刪除 \n%S 的身份？
+## LOCALIZATION NOTE (identity-delete-confirm-title): %S is the account name
+identity-delete-confirm-title=正在刪除 %S 的身份
+identity-delete-confirm-button=刪除
+
+choosefile=選擇檔案
+
+forAccount=對於帳號「%S」
+
+removeFromServerTitle=確認自動永久刪除訊息。
+removeFromServer=此項設定將會從遠端伺服器端及您的本地儲存空間中永久刪除過去的聊天記錄。您確定要執行？
+
+confirmSyncChangesTitle=確認變更同步設定
+confirmSyncChanges=已變更訊息同步設定。\n\n要儲存此設定嗎？
+confirmSyncChangesDiscard=捨棄
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/quickFilterBar.dtd b/l10n-zh-TW/mail/chrome/messenger/quickFilterBar.dtd
new file mode 100644
index 0000000000..57a23c2337
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/quickFilterBar.dtd
@@ -0,0 +1,269 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE (quickFilterBar.toggleBarVisibility.menu.label):
+     The label to display for the "View... Toolbars..." menu item that controls
+     whether the quick filter bar is visible.
+     -->
+<!ENTITY quickFilterBar.toggleBarVisibility.menu.label
+         "快速篩選列">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.toggleBarVisibility.menu.accesskey):
+     The access key for the "View... Toolbars..." menu item label that controls
+     whether the quick filter bar is visible.
+     -->
+<!ENTITY quickFilterBar.toggleBarVisibility.menu.accesskey
+         "Q">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.toggleBarVisibility.appmenu.label):
+     The label to display for the "App Menu... Preferences..." menu item that
+     controls whether the quick filter bar is visible.
+     -->
+<!ENTITY quickFilterBar.toggleBarVisibility.appmenu.label
+         "快速篩選列">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.toggleBarVisibility.button.tooltip):
+     The tooltip to display when hovering over the button on the tab bar that
+     toggles the visibility of the quick filter bar.
+     -->
+<!ENTITY quickFilterBar.toggleBarVisibility.button.tooltip
+         "啟用或停用快速篩選列。">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.sticky.tooltip):
+     The tooltip to display when the user hovers over the sticky button
+     (currently displayed as a push-pin).  When active, the sticky button
+     causes the current filter settings to be retained when the user changes
+     folders or opens new tabs.  (When inactive, only the state of the text
+     filters are propagated between folder changes and when opening new tabs.)
+     -->
+<!ENTITY quickFilterBar.sticky.tooltip
+         "切換資料夾時仍然套用篩選條件？">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.unread.label):
+     The label for the filter button that causes us to filter results to only
+     include unread messages.
+     -->
+<!ENTITY quickFilterBar.unread.label
+         "未讀">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.unread.tooltip):
+     The tooltip for the filter button that causes us to filter results to only
+     include unread messages.
+     -->
+<!ENTITY quickFilterBar.unread.tooltip
+         "只顯示未讀訊息">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.starred.label):
+     The label for the filter button that causes us to filter results to only
+     include messages that have been starred/flagged.
+     -->
+<!ENTITY quickFilterBar.starred.label
+         "已標星號">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.starred.tooltip):
+     The tooltip for the filter button that causes us to filter results to only
+     include messages that have been starred/flagged.
+     -->
+<!ENTITY quickFilterBar.starred.tooltip
+         "只顯示已加星號的訊息">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.inaddrbook.label):
+     The label for the filter button that causes us to filter results to only
+     include messages from contacts in one of the user's non-remote address
+     books.
+     -->
+<!ENTITY quickFilterBar.inaddrbook.label
+         "聯絡人">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.inaddrbook.tooltip):
+     The tooltip for the filter button that causes us to filter results to only
+     include messages from contacts in one of the user's non-remote address
+     books.
+     -->
+<!ENTITY quickFilterBar.inaddrbook.tooltip
+         "只顯示從通訊錄當中的人寄來的訊息">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.tags.label):
+     The label for the filter button that causes us to filter results to only
+     include messages with at least one tag on them.
+     -->
+<!ENTITY quickFilterBar.tags.label
+         "標籤">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.tags.tooltip):
+     The tooltip for the filter button that causes us to filter results to only
+     include messages with at least one tag on them.
+     -->
+<!ENTITY quickFilterBar.tags.tooltip
+         "只顯示有被掛上標籤的訊息">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.attachment.label):
+     The label for the filter button that causes us to filter results to only
+     include messages with attachments.
+     -->
+<!ENTITY quickFilterBar.attachment.label
+         "附件">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.attachment.tooltip):
+     The tooltip for the filter button that causes us to filter results to only
+     include messages with attachments.
+     -->
+<!ENTITY quickFilterBar.attachment.tooltip
+         "只顯示有附件的訊息">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.resultsLabel.some.formatString):
+     This is used to populate the results box; it either displays the
+     number of messages found using this string, that there are no messages
+     (using quickFilterBar.resultsLabel.none), or the box is hidden.
+     This is a pluralizable string used to express the number of messages in
+     the results.  We replace the '#1' with the number of messages, otherwise
+     see the following URL For more information:
+     https://developer.mozilla.org/En/Localization_and_Plurals
+     -->
+<!ENTITY quickFilterBar.resultsLabel.some.formatString
+         "#1 封郵件">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.resultsLabel.none):
+     The contents of the results box when there is a filter active but there
+     are no messages matching the filter.
+     -->
+<!ENTITY quickFilterBar.resultsLabel.none
+         "無結果">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.resultsLabel.minWidth):
+     The minimum width, in pixels, of the results label.  Please size this
+     so that a 3 or 4 digit number of messages in the results can be displayed
+     without growing the size of the box.  You can tell this has been
+     accomplished if adding a filter constraint that changes the displayed
+     string to your "no results" string does not result in any changes to the
+     size of the text box to the label's right.  (If your string for
+     "no results" is longer than the "#### messages" case, then size for that.
+     -->
+<!ENTITY quickFilterBar.resultsLabel.minWidth
+         "100">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textbox.emptyText.base1):
+     This is the base of the empty text for the text search box.  We replace
+     #1 with the contents of the appropriate
+     quickFilterBar.textbox.emptyText.keyLabel.* value for the platform.
+     The goal is to convey to the user that typing in the box will filter
+     the messages and that there is a hotkey they can press to get to the
+     box faster.
+     -->
+<!ENTITY quickFilterBar.textbox.emptyText.base1
+         "過濾這些訊息 #1">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.show.key2):
+     This is the key used to show the quick filter bar. -->
+<!ENTITY quickFilterBar.show.key2
+         "k">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textbox.emptyText.keyLabel.nonmac):
+     The description of the key-binding to get into the box on windows and
+     linux (which use the control key).  This should match the value of
+     quickFilterBar.show.key above.
+     -->
+<!ENTITY quickFilterBar.textbox.emptyText.keyLabel2.nonmac
+         "&lt;Ctrl+Shift+K&gt;">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textbox.emptyText.keyLabel.mac):
+     The description of the key-binding to get into the box on mac systems.
+     This should match the value of quickFilterBar.show.key above.
+     -->
+<!ENTITY quickFilterBar.textbox.emptyText.keyLabel2.mac
+         "&lt;&#x21E7;&#x2318;K&gt;">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.booleanMode.tooltip):
+     Tooltip of the Any of / All of tagging mode selector.
+     -->
+<!ENTITY quickFilterBar.booleanMode.tooltip "標籤篩選模式">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.booleanModeAny.label):
+     Tooltip of the Any of / All of tagging mode selector.
+     -->
+<!ENTITY quickFilterBar.booleanModeAny.label "任一個">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.booleanModeAny.tooltip):
+     Tooltip of the Any of / All of tagging mode selector.
+     -->
+<!ENTITY quickFilterBar.booleanModeAny.tooltip "至少應符合一個選擇的標籤條件">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.booleanModeAll.label):
+     Tooltip of the Any of / All of tagging mode selector.
+     -->
+<!ENTITY quickFilterBar.booleanModeAll.label "所有">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.booleanModeAll.tooltip):
+     Tooltip of the Any of / All of tagging mode selector.
+     -->
+<!ENTITY quickFilterBar.booleanModeAll.tooltip "需符合所有選擇的標籤條件">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textbox.idealWidth):
+     The number of pixels for the ideal width of the quick filter box textbox.
+     Choose this value so that the emptyText fits nicely with a little bit of
+     extra whitespace.
+     -->
+<!ENTITY quickFilterBar.textbox.idealWidth
+         "320">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textbox.minWidth):
+     The minimum width of the quick filter textbox in pixels.  This is the size
+     which we should refuse to flex below.  When we hit this size, the buttons
+     with labels will have their labels collapsed.
+     -->
+<!ENTITY quickFilterBar.textbox.minWidth
+         "280">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textFilter.explanation.label):
+     This label explains what the sender/recipients/subject/body buttons do.
+     This string should ideally be kept short because the label and the text
+     filter buttons share their bar (that appears when there is text in the text
+     filter box) with the list of tags when the tag filter is active, and the
+     tag sub-bar wants as much space as possible.  (Overflow is handled by an
+     arrow scroll box.)
+     -->
+<!ENTITY quickFilterBar.textFilter.explanation.label
+         "篩選訊息透過:">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textFilter.sender.label):
+     The button label that toggles whether the text filter searches the message
+     sender for the string.
+     -->
+<!ENTITY quickFilterBar.textFilter.sender.label
+         "寄件者">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textFilter.recipients.label):
+     The button label that toggles whether the text filter searches the message
+     recipients (to, cc) for the string.
+     -->
+<!ENTITY quickFilterBar.textFilter.recipients.label
+         "收件者">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textFilter.subject.label):
+     The button label that toggles whether the text filter searches the message
+     subject for the string.
+     -->
+<!ENTITY quickFilterBar.textFilter.subject.label
+         "主旨">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.textFilter.body.label):
+     The button label that toggles whether the text filter searches the message
+     body for the string.
+     -->
+<!ENTITY quickFilterBar.textFilter.body.label
+         "內文">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.glodaUpsell.continueSearch):
+     The first line of the panel popup that tells the user we found no matches
+     but we can convert to a global search for them.
+     -->
+<!ENTITY quickFilterBar.glodaUpsell.continueSearch
+         "繼續在所有資料夾搜尋">
+
+<!-- LOCALIZATION NOTE (quickFilterBar.glodaUpsell.pressEnterAndCurrent):
+     The second line of the panel popup that tells the user we found no matches.
+     This line will have #1 replaced with what the user has typed so far.
+     -->
+<!ENTITY quickFilterBar.glodaUpsell.pressEnterAndCurrent
+         "按下 Enter 鍵以繼續搜尋: #1">
diff --git a/l10n-zh-TW/mail/chrome/messenger/removeAccount.dtd b/l10n-zh-TW/mail/chrome/messenger/removeAccount.dtd
new file mode 100644
index 0000000000..f265087a2b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/removeAccount.dtd
@@ -0,0 +1,22 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY dialogTitle                  "移除帳號與資料">
+<!ENTITY removeButton.label           "移除">
+<!ENTITY removeButton.accesskey       "R">
+<!ENTITY removeAccount.label          "移除帳號資訊">
+<!ENTITY removeAccount.accesskey      "a">
+<!ENTITY removeAccount.desc           "僅移除此帳號中與 &brandShortName; 有關的資訊，不影響伺服器上的帳號本身。">
+<!ENTITY removeData.label             "移除訊息資料">
+<!ENTITY removeData.accesskey         "d">
+<!ENTITY removeDataChat.label         "移除對話資料">
+<!ENTITY removeDataChat.accesskey     "d">
+<!ENTITY removeDataLocalAccount.desc  "從您的本機磁碟中移除此帳號的所有訊息、資料夾與相關聯的過濾器。這不會影響部分仍儲存在伺服器上的訊息。若您只打算要封存本機資料，或之後還要在 &brandShortName; 使用的話，請不要選擇此選項。">
+<!ENTITY removeDataServerAccount.desc "從您的本機磁碟中移除此帳號的所有訊息、資料夾與相關聯的過濾器。您的訊息與資料夾仍保留在伺服器上。">
+<!ENTITY removeDataChatAccount.desc   "移除此帳號所有儲存在本機磁碟中的對話紀錄。">
+<!ENTITY showData.label               "顯示資料位置">
+<!ENTITY showData.accesskey           "S">
+<!ENTITY progressPending              "正在移除所選的資料…">
+<!ENTITY progressSuccess              "移除成功。">
+<!ENTITY progressFailure              "移除失敗。">
diff --git a/l10n-zh-TW/mail/chrome/messenger/removeAccount.properties b/l10n-zh-TW/mail/chrome/messenger/removeAccount.properties
new file mode 100644
index 0000000000..0b3f970dc4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/removeAccount.properties
@@ -0,0 +1,5 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+removeQuestion=您確定要移除帳號「%S」嗎？
diff --git a/l10n-zh-TW/mail/chrome/messenger/renameFolderDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/renameFolderDialog.dtd
new file mode 100644
index 0000000000..5b5e5a1ec6
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/renameFolderDialog.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+   
+<!ENTITY renameFolderDialog.title          "重新命名資料夾">
+<!ENTITY rename.label                      "請輸入資料夾的新名稱:">
+<!ENTITY rename.accesskey                  "E">
+<!ENTITY accept.label                      "重新命名">
+<!ENTITY accept.accesskey                  "R">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/sanitize.dtd b/l10n-zh-TW/mail/chrome/messenger/sanitize.dtd
new file mode 100644
index 0000000000..843552f4c6
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/sanitize.dtd
@@ -0,0 +1,36 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY sanitizeDialog2.title         "清除最近的歷史記錄">
+
+<!-- XXX rearrange entities to match physical layout when l10n isn't an issue -->
+<!-- LOCALIZATION NOTE (clearTimeDuration.*): "Time range to clear" dropdown.
+     See UI mockup at bug 480169 -->
+<!ENTITY clearTimeDuration.label          "清除時間範圍: ">
+<!ENTITY clearTimeDuration.accesskey      "T">
+<!ENTITY clearTimeDuration.lastHour       "一小時內">
+<!ENTITY clearTimeDuration.last2Hours     "兩小時內">
+<!ENTITY clearTimeDuration.last4Hours     "四小時內">
+<!ENTITY clearTimeDuration.today          "今天">
+<!ENTITY clearTimeDuration.everything     "所有歷史記錄">
+<!-- Localization note (clearTimeDuration.suffix) - trailing entity for languages
+that require it.  -->
+<!ENTITY clearTimeDuration.suffix         "">
+
+
+<!ENTITY historyGroup.label                "瀏覽紀錄">
+
+<!ENTITY itemHistory.label                 "瀏覽紀錄">
+<!ENTITY itemHistory.accesskey             "B">
+<!ENTITY itemCookies.label                 "Cookies">
+<!ENTITY itemCookies.accesskey             "C">
+<!ENTITY itemCache.label                   "快取">
+<!ENTITY itemCache.accesskey               "a">
+
+<!-- LOCALIZATION NOTE (sanitizeEverythingUndoWarning): Second warning paragraph
+     that appears when "Time range to clear" is set to "Everything".  See UI
+     mockup at bug 480169 -->
+<!ENTITY sanitizeEverythingUndoWarning     "此動作無法復原。">
+
+<!ENTITY dialog.width                 "28em">
diff --git a/l10n-zh-TW/mail/chrome/messenger/seamonkeyImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/seamonkeyImportMsgs.properties
new file mode 100644
index 0000000000..3da12eca81
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/seamonkeyImportMsgs.properties
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# The following are used by the seamonkey import code to display status/error
+# and informational messages
+
+# Short name of import module
+SeamonkeyImportName=SeaMonkey
+
+# Description of import module
+SeamonkeyImportDescription=從 SeaMonkey 匯入通訊錄、郵件與帳號設定。
+
+# Success Message for addressbook import
+SeamonkeyImportAddressSuccess=已成功匯入通訊錄。
+
+# Success Message for mail import
+SeamonkeyImportSettingsSuccess=已成功匯入本機郵件與帳號設定。
diff --git a/l10n-zh-TW/mail/chrome/messenger/search-attributes.properties b/l10n-zh-TW/mail/chrome/messenger/search-attributes.properties
new file mode 100644
index 0000000000..5021be3889
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/search-attributes.properties
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#these need to match nsMsgSearchAttrib interface in nsMsgSearchCore.idl
+#and nsMsgSearchAttribMap in nsMsgSearchAdapter.cpp
+Subject=主旨
+From=從
+Body=內文
+Date=日期
+Priority=重要性
+Status=狀態
+To=到
+Cc=副本
+ToOrCc=正副本收件者 (To/Cc)
+AgeInDays=發信日數
+SizeKB=大小 (KB)
+Tags=標籤
+# for AB and LDAP
+AnyName=任何名稱
+DisplayName=顯示名稱
+Nickname=暱稱
+ScreenName=網路代號
+Email=電子郵件
+AdditionalEmail=其它 Email
+AnyNumber=任何數字
+WorkPhone=商務電話
+HomePhone=住家電話
+Fax=傳真
+Pager=呼叫器
+Mobile=行動電話
+City=城市
+Street=街道
+Title=頭銜
+Organization=公司
+Department=部門
+# more mailnews
+FromToCcOrBcc=寄件者、收件者、副本或密件副本收件者
+JunkScoreOrigin=垃圾評分原因
+JunkPercent=垃圾信百分比
+AttachmentStatus=附件狀態
+JunkStatus=垃圾信狀態
+Label=標籤
+Customize=自訂…
+MissingCustomTerm=遺失的自訂條件
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/search-operators.properties b/l10n-zh-TW/mail/chrome/messenger/search-operators.properties
new file mode 100644
index 0000000000..acc1702432
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/search-operators.properties
@@ -0,0 +1,32 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+0=包含
+1=不包含
+2=是
+3=不是
+4=是空的
+
+5=早於
+6=晚於
+    
+7=高於
+8=低於
+
+9=開始於
+10=結束於
+
+11=聽起來像
+12=LdapDwim
+
+13=大於
+14=小於
+
+15=名稱自動完成
+16=在我的通訊錄中
+17=不在我的通訊錄中
+18=不是空的
+19=符合
+20=不符合
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/search.properties b/l10n-zh-TW/mail/chrome/messenger/search.properties
new file mode 100644
index 0000000000..3ff0f9837d
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/search.properties
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# these are the fields that get inserted in the search line
+# for "and" searches, this looks like:
+#
+# searchAnd0 <attribute> searchAnd1 <operator> searchAnd2 <value> searchAnd4
+#
+# for example, in english this looks like:
+# and the [Sender ] [doesn't contain] [John]
+#
+# TODO: need to special-case the first line (filterindex==0)
+
+# filter stuff
+
+searchingMessage=搜尋中…
+# LOCALIZATION NOTE (matchesFound): #1 number of matches found
+matchesFound=找到 #1 筆符合項目
+noMatchesFound=找不到符合的項目
+labelForStopButton=停止
+labelForSearchButton=搜尋
+labelForStopButton.accesskey=S
+labelForSearchButton.accesskey=S
+
+moreButtonTooltipText=增加新規則
+lessButtonTooltipText=移除此規則
diff --git a/l10n-zh-TW/mail/chrome/messenger/searchTermOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/searchTermOverlay.dtd
new file mode 100644
index 0000000000..3c6b933628
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/searchTermOverlay.dtd
@@ -0,0 +1,20 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY matchAll.label     "符合下列全部">
+<!ENTITY matchAll.accesskey "a">
+<!ENTITY matchAny.label     "符合下列任一項">
+<!ENTITY matchAny.accesskey "o">
+<!ENTITY matchAllMsgs.label     "符合全部郵件">
+<!ENTITY matchAllMsgs.accesskey "M">
+
+<!-- LOCALIZATION NOTE
+  The values below are used to control the widths of the search widgets.
+  Change the values only when the localized strings in the popup menus
+  are truncated in the widgets.
+ -->
+<!ENTITY searchTermListAttributesFlexValue "5">
+<!ENTITY searchTermListOperatorsFlexValue "5">
+<!ENTITY searchTermListValueFlexValue "5">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/shutdownWindow.properties b/l10n-zh-TW/mail/chrome/messenger/shutdownWindow.properties
new file mode 100644
index 0000000000..57ff94a5f7
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/shutdownWindow.properties
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+# These strings are loaded and represented by the XUL dialog.
+shutdownDialogTitle=關閉進度視窗
+taskProgress=正在處理 %2$S 件工作中的第 %1$S 件
+
+# These strings are loaded by the individual shutdown tasks.
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/smime.properties b/l10n-zh-TW/mail/chrome/messenger/smime.properties
new file mode 100644
index 0000000000..c8a13577aa
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/smime.properties
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the smime content type handler
+#
+
+## @name NS_MSG_UNABLE_TO_OPEN_FILE
+## LOCALIZATION NOTE: the text can contain HTML tags. 
+1000=這是一封<B>已加密</B>或<B>已簽署</B>的郵件。<br>此郵件程式目前不支援加密過或簽署過的郵件。
+
+
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/smtpEditOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/smtpEditOverlay.dtd
new file mode 100644
index 0000000000..9563e60375
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/smtpEditOverlay.dtd
@@ -0,0 +1,24 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY settings.caption "設定">
+<!ENTITY security.caption "安全與認證">
+<!ENTITY serverName.label "伺服器名稱:">
+<!ENTITY serverName.accesskey "S">
+<!ENTITY serverDescription.label "說明:">
+<!ENTITY serverDescription.accesskey "D">
+<!ENTITY serverPort.label "Port:">
+<!ENTITY serverPort.accesskey "P">
+<!ENTITY userName.label "使用者名稱:">
+<!ENTITY userName.accesskey "m">
+<!ENTITY connectionSecurity.label "連線安全性:">
+<!ENTITY connectionSecurity.accesskey "n">
+<!ENTITY connectionSecurityType-0.label "無">
+<!ENTITY connectionSecurityType-1.label "嘗試使用 STARTTLS">
+<!ENTITY connectionSecurityType-2.label "STARTTLS">
+<!ENTITY connectionSecurityType-3.label "SSL/TLS">
+<!ENTITY smtpEditTitle.label "SMTP 寄件伺服器">
+<!ENTITY serverPortDefault.label "預設:">
+<!ENTITY authMethod.label "驗證方式:">
+<!ENTITY authMethod.accesskey "i">
diff --git a/l10n-zh-TW/mail/chrome/messenger/subscribe.dtd b/l10n-zh-TW/mail/chrome/messenger/subscribe.dtd
new file mode 100644
index 0000000000..bcf80280f3
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/subscribe.dtd
@@ -0,0 +1,23 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY subscribeDialog.title        "訂閱">
+<!ENTITY subscribeButton.label        "訂閱">
+<!ENTITY subscribeButton.accesskey    "S">
+<!ENTITY unsubscribeButton.label      "取消訂閱">
+<!ENTITY unsubscribeButton.accesskey  "U">
+<!ENTITY newGroupsTab.label           "新群組">
+<!ENTITY newGroupsTab.accesskey       "N">
+<!ENTITY refreshButton.label          "更新">
+<!ENTITY refreshButton.accesskey      "R">
+<!ENTITY stopButton.label             "停止">
+<!ENTITY stopButton.accesskey         "t">
+<!ENTITY server.label                 "帳號:">
+<!ENTITY server.accesskey             "A">
+<!ENTITY subscribedHeader.label       "訂閱">
+<!-- commenting out until bug 38906 is fixed 
+<!ENTITY messagesHeader.label         "訊息"> -->
+<!ENTITY namefield.label              "顯示有下列內容的項目:">
+<!ENTITY namefield.accesskey          "o">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/subscribe.properties b/l10n-zh-TW/mail/chrome/messenger/subscribe.properties
new file mode 100644
index 0000000000..d2a10810a9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/subscribe.properties
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+subscribeLabel-nntp=選擇要訂閱的新聞群組:
+subscribeLabel-imap=選擇要訂閱的資料夾:
+currentListTab-nntp.label=目前群組列表
+currentListTab-nntp.accesskey=L
+currentListTab-imap.label=資料夾清單
+currentListTab-imap.accesskey=l
+pleaseWaitString=請稍候…
+offlineState=您已離線。無法自伺服器取回項目。
+errorPopulating=從伺服器取回項目時發生錯誤。
diff --git a/l10n-zh-TW/mail/chrome/messenger/tabmail.dtd b/l10n-zh-TW/mail/chrome/messenger/tabmail.dtd
new file mode 100644
index 0000000000..f56ad807dc
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/tabmail.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY  closeTab.label           "關閉分頁">
+<!ENTITY  listAllTabs.label        "列出所有分頁">
+<!-- LOCALIZATION NOTE(defaultTabTitle.label): This is the default tab
+     title to show when the tab has no title. -->
+<!ENTITY  defaultTabTitle.label    "首頁">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/taskbar.properties b/l10n-zh-TW/mail/chrome/messenger/taskbar.properties
new file mode 100644
index 0000000000..be53dde5ae
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/taskbar.properties
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+taskbar.tasks.composeMessage.label=寫一封新訊息
+taskbar.tasks.composeMessage.description=寫一封新訊息。
+taskbar.tasks.openAddressBook.label=開啟通訊錄
+taskbar.tasks.openAddressBook.description=開啟您的通訊錄。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/telemetry.properties b/l10n-zh-TW/mail/chrome/messenger/telemetry.properties
new file mode 100644
index 0000000000..c9d924a19b
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/telemetry.properties
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Telemetry prompt
+# LOCALIZATION NOTE (telemetryText): %1$S will be replaced by brandFullName,
+# and %2$S by the value of the toolkit.telemetry.server_owner preference.
+telemetryText = 您想要回報記憶體使用程度、效能，以及程式回應速度給 %2$S，以便幫助改善 %1$S 效能嗎？
+telemetryLinkLabel = 了解更多
+telemetryYesButtonLabel = 是
+telemetryYesButtonAccessKey = Y
+telemetryNoButtonLabel = 否
+telemetryNoButtonAccessKey = N
diff --git a/l10n-zh-TW/mail/chrome/messenger/templateUtils.properties b/l10n-zh-TW/mail/chrome/messenger/templateUtils.properties
new file mode 100644
index 0000000000..e476e6831a
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/templateUtils.properties
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE yesterday: used in various places where we compute
+# a "friendly" date, e.g. displaying that a message was from yesterday.
+yesterday=昨天
diff --git a/l10n-zh-TW/mail/chrome/messenger/textImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/textImportMsgs.properties
new file mode 100644
index 0000000000..43ff3682f6
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/textImportMsgs.properties
@@ -0,0 +1,54 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the outlook express import code to display status/error 
+# and informational messages
+#
+
+#
+# The following are used by the outlook express import code to display status/error
+# and informational messages
+#
+
+#
+# The following are used by the text import code to display status/error
+# and informational messages
+#
+
+# Short name of import module
+## @name TEXTIMPORT_NAME
+## @loc None
+2000=純文字檔案 (LDIF. .tab, .csv, .txt)
+
+# Description of import module
+## @name TEXTIMPORT_DESCRIPTION
+## @loc None
+2001=由純文字檔案匯入通訊錄。支援 LDIF（.ldif、.ldi）、逗號分隔（.csv）或 TAB 分隔（.tab、.txt）格式。
+
+# Description of import module
+## @name TEXTIMPORT_ADDRESS_NAME
+## @loc None
+2002=純文字通訊錄
+
+# Description
+## @name TEXTIMPORT_ADDRESS_SUCCESS
+## @loc None
+2003=已匯入通訊錄 %S
+
+# Error message
+## @name TEXTIMPORT_ADDRESS_BADPARAM
+## @loc None
+2004=匯入通訊錄傳入參數錯誤。
+
+# Error message
+## @name TEXTIMPORT_ADDRESS_BADSOURCEFILE
+## @loc None
+2005=無法存取通訊錄檔案 %S。
+
+# Error message
+## @name TEXTIMPORT_ADDRESS_CONVERTERROR
+## @loc None
+2006=匯入通訊錄 %S 時發生錯誤，可能沒有匯入全部資料。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/vCardImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/vCardImportMsgs.properties
new file mode 100644
index 0000000000..3a5e23adc0
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/vCardImportMsgs.properties
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the vCard import code to display status, error, and
+# informational messages
+#
+
+vCardImportName=vCard 檔案 (.vcf)
+
+vCardImportDescription=從 vCard 格式檔案匯入通訊錄
+
+vCardImportAddressName=vCard 通訊錄
+
+# LOCALIZATION NOTE (vCardImportAddressSuccess): %S is replaced by the
+# name of the address book being imported.
+vCardImportAddressSuccess=已匯入通訊錄 %S
+
+# LOCALIZATION NOTE (vCardImportAddressSuccess): %S is replaced by the
+# name of the address book being imported.
+vCardImportAddressBadSourceFile=無法存取通訊錄檔案 %S。
+
+# LOCALIZATION NOTE (vCardImportAddressSuccess): %S is replaced by the
+# name of the address book being imported.
+vCardImportAddressConvertError=匯入通訊錄 %S 時發生錯誤，可能沒有匯入全部資料。
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/viewLog.dtd b/l10n-zh-TW/mail/chrome/messenger/viewLog.dtd
new file mode 100644
index 0000000000..49ca6f7f50
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/viewLog.dtd
@@ -0,0 +1,12 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY viewLog.title "篩選記錄">
+<!ENTITY viewLogInfo.text "篩選記錄是記錄此帳號執行篩選條件的過程，勾選此項以使用記錄功能。">
+<!ENTITY clearLog.label "清除紀錄">
+<!ENTITY clearLog.accesskey "C">
+<!ENTITY enableLog.label "使用篩選記錄">
+<!ENTITY enableLog.accesskey "E">
+<!ENTITY closeLog.label "關閉">
+<!ENTITY closeLog.accesskey "o">
diff --git a/l10n-zh-TW/mail/chrome/messenger/viewSource.dtd b/l10n-zh-TW/mail/chrome/messenger/viewSource.dtd
new file mode 100644
index 0000000000..d39ea32035
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/viewSource.dtd
@@ -0,0 +1,86 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from content/viewSource.xul -->
+
+<!-- extracted from content/viewSource.xhtml -->
+
+<!-- LOCALIZATION NOTE (mainWindow.title) : DONT_TRANSLATE -->
+<!ENTITY mainWindow.title "&brandFullName;">
+<!-- LOCALIZATION NOTE (mainWindow.titlemodifier) : DONT_TRANSLATE -->
+<!ENTITY mainWindow.titlemodifier "&brandFullName;">
+<!-- LOCALIZATION NOTE (mainWindow.titlemodifierseparator) : DONT_TRANSLATE -->
+<!ENTITY mainWindow.titlemodifierseparator " - ">
+<!ENTITY mainWindow.preface "原始碼: ">
+
+<!ENTITY editMenu.label "編輯">
+<!ENTITY editMenu.accesskey "E">
+<!ENTITY fileMenu.label "檔案">
+<!ENTITY fileMenu.accesskey "F">
+<!ENTITY savePageCmd.label "另存新檔…">
+<!ENTITY savePageCmd.accesskey "A">
+<!ENTITY savePageCmd.commandkey "S">
+<!ENTITY printCmd.label "列印…">
+<!ENTITY printCmd.accesskey "P">
+<!ENTITY printCmd.commandkey "P">
+<!ENTITY closeCmd.label "關閉">
+<!ENTITY closeCmd.accesskey "C">
+<!ENTITY closeCmd.commandkey "W">
+
+<!-- LOCALIZATION NOTE :
+textEnlarge.commandkey3, textReduce.commandkey2 and
+textReset.commandkey2 are alternative acceleration keys for zoom.
+If shift key is needed with your locale popular keyboard for them,
+you can use these alternative items. Otherwise, their values should be empty.  -->
+
+<!ENTITY textEnlarge.commandkey "+">
+<!ENTITY textEnlarge.commandkey2 "=">
+<!ENTITY textEnlarge.commandkey3 "">
+<!ENTITY textReduce.commandkey "-">
+<!ENTITY textReduce.commandkey2 "">
+<!ENTITY textReset.commandkey "0">
+<!ENTITY textReset.commandkey2 "">
+
+<!ENTITY goToLineCmd.label "移至行號…">
+<!ENTITY goToLineCmd.accesskey "G">
+<!ENTITY goToLineCmd.commandkey "l">
+
+<!ENTITY viewMenu.label           "檢視">
+<!ENTITY viewMenu.accesskey       "V">
+<!ENTITY reloadCmd.label "重新載入">
+<!ENTITY reloadCmd.accesskey "R">
+<!ENTITY reloadCmd.commandkey "r">
+<!ENTITY menu_wrapLongLines.title "自動換行">
+<!ENTITY menu_wrapLongLines.accesskey "W">
+<!ENTITY menu_highlightSyntax.label "語法強調">
+<!ENTITY menu_highlightSyntax.accesskey "H">
+<!ENTITY menu_textSize.label "文字大小">
+<!ENTITY menu_textSize.accesskey "Z">
+<!ENTITY menu_textEnlarge.label "放大">
+<!ENTITY menu_textEnlarge.accesskey "I">
+<!ENTITY menu_textReduce.label "縮小">
+<!ENTITY menu_textReduce.accesskey "D">
+<!ENTITY menu_textReset.label "標準">
+<!ENTITY menu_textReset.accesskey "N">
+
+<!ENTITY findOnCmd.label     "尋找文字…">
+<!ENTITY findOnCmd.accesskey "F">
+<!ENTITY findOnCmd.commandkey "f">
+<!ENTITY findAgainCmd.label  "找下一個">
+<!ENTITY findAgainCmd.accesskey "g">
+<!ENTITY findAgainCmd.commandkey "g">
+<!ENTITY findAgainCmd.commandkey2 "VK_F3">
+<!ENTITY findSelectionCmd.commandkey "e">
+
+<!ENTITY backCmd.label "返回">
+<!ENTITY backCmd.accesskey "B">
+<!ENTITY forwardCmd.label "下一個">
+<!ENTITY forwardCmd.accesskey "F">
+<!ENTITY goBackCmd.commandKey "[">
+<!ENTITY goForwardCmd.commandKey "]">
+
+<!ENTITY copyLinkCmd.label "複製鏈結網址">
+<!ENTITY copyLinkCmd.accesskey "L">
+<!ENTITY copyEmailCmd.label "複製電子郵件地址">
+<!ENTITY copyEmailCmd.accesskey "E">
diff --git a/l10n-zh-TW/mail/chrome/messenger/viewSource.properties b/l10n-zh-TW/mail/chrome/messenger/viewSource.properties
new file mode 100644
index 0000000000..bf9aced7fe
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/viewSource.properties
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+goToLineTitle     = 移至行號
+goToLineText      = 輸入行號
+invalidInputTitle = 輸入錯誤
+invalidInputText  = 輸入的行號不正確。
+outOfRangeTitle   = 找不到此行
+outOfRangeText    = 找不到指定的行號。
+viewSelectionSourceTitle = 選取範圍的 DOM 原始碼
+viewMathMLSourceTitle    = MathML 的 DOM 原始碼
+
+context_goToLine_label        = 移至行號…
+context_goToLine_accesskey    = L
+context_wrapLongLines_label   = 自動換行
+context_highlightSyntax_label = 語法強調
diff --git a/l10n-zh-TW/mail/chrome/messenger/viewZoomOverlay.dtd b/l10n-zh-TW/mail/chrome/messenger/viewZoomOverlay.dtd
new file mode 100644
index 0000000000..c4d587baa5
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/viewZoomOverlay.dtd
@@ -0,0 +1,31 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE :
+fullZoomEnlargeCmd.commandkey3, fullZoomReduceCmd.commandkey2 and
+fullZoomResetCmd.commandkey2 are alternative acceleration keys for zoom.
+If shift key is needed with your locale popular keyboard for them,
+you can use these alternative items. Otherwise, their values should be empty.  -->
+
+<!ENTITY fullZoomEnlargeCmd.label       "放大">
+<!ENTITY fullZoomEnlargeCmd.accesskey   "I">
+<!ENTITY fullZoomEnlargeCmd.commandkey  "+">
+<!ENTITY fullZoomEnlargeCmd.commandkey2 "="> <!-- + is above this key on many keyboards -->
+<!ENTITY fullZoomEnlargeCmd.commandkey3 "">
+
+<!ENTITY fullZoomReduceCmd.label        "縮小">
+<!ENTITY fullZoomReduceCmd.accesskey    "O">
+<!ENTITY fullZoomReduceCmd.commandkey   "-">
+<!ENTITY fullZoomReduceCmd.commandkey2  "">
+
+<!ENTITY fullZoomResetCmd.label         "重設">
+<!ENTITY fullZoomResetCmd.accesskey     "R">
+<!ENTITY fullZoomResetCmd.commandkey    "0">
+<!ENTITY fullZoomResetCmd.commandkey2   "">
+
+<!ENTITY fullZoomToggleCmd.label        "只縮放文字">
+<!ENTITY fullZoomToggleCmd.accesskey    "T">
+<!ENTITY fullZoom.label                 "縮放">
+<!ENTITY fullZoom.accesskey             "Z">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/virtualFolderListDialog.dtd b/l10n-zh-TW/mail/chrome/messenger/virtualFolderListDialog.dtd
new file mode 100644
index 0000000000..b674974caa
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/virtualFolderListDialog.dtd
@@ -0,0 +1,10 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY virtualFolderListTitle.title        "選擇資料夾">
+<!ENTITY virtualFolderDesc.label       "選取要搜尋的資料夾:">
+
+
+<!ENTITY folderName.label "資料夾名稱">
+<!ENTITY folderSearch.label "搜尋">
diff --git a/l10n-zh-TW/mail/chrome/messenger/virtualFolderProperties.dtd b/l10n-zh-TW/mail/chrome/messenger/virtualFolderProperties.dtd
new file mode 100644
index 0000000000..dfddbc1ea4
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/virtualFolderProperties.dtd
@@ -0,0 +1,23 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY virtualFolderProperties.title "新增即時搜尋資料夾">
+<!ENTITY name.label                 "名稱:">
+<!ENTITY name.accesskey             "N">
+<!ENTITY description.label          "在下列位置建立子資料夾:">
+<!ENTITY description.accesskey      "C">
+
+<!ENTITY searchTermCaption.label "設定此即時搜尋資料夾的搜尋方式:">
+
+<!ENTITY folderSelectionCaption.label "選取要搜尋的資料夾:">
+<!ENTITY chooseFoldersButton.label "選擇…">
+<!ENTITY chooseFoldersButton.accesskey "h">
+
+<!ENTITY searchOnline.label "線上即時搜尋（可取得 IMAP 與新聞群組中最新的內容，不過開啟資料夾時會比較慢）">
+<!ENTITY searchOnline.accesskey "S">
+<!ENTITY newFolderButton.label       "建立">
+<!ENTITY newFolderButton.accesskey   "r">
+<!ENTITY editFolderButton.label      "更新">
+<!ENTITY editFolderButton.accesskey  "U">
+
diff --git a/l10n-zh-TW/mail/chrome/messenger/wmImportMsgs.properties b/l10n-zh-TW/mail/chrome/messenger/wmImportMsgs.properties
new file mode 100644
index 0000000000..0220888154
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/messenger/wmImportMsgs.properties
@@ -0,0 +1,77 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# The following are used by the windows live mail import code to display status/error
+# and informational messages
+#
+
+# Short name of import module
+## @name WMIMPORT_NAME
+## @loc None
+## LOCALIZATION NOTE (2000): DONT_TRANSLATE
+2000=Windows Live Mail
+
+# Description of import module
+## @name WMIMPORT_DESCRIPTION
+## @loc None
+## LOCALIZATION NOTE (2001): In this item, don't translate "Windows Live Mail"
+2001=Windows Live Mail 設定
+
+# Success message
+## @name WMIMPORT_MAILBOX_SUCCESS
+## @loc None
+## LOCALIZATION NOTE (2002): In this item, don't translate "%1$S" or "%2$d"
+## The variable %1$S will contain the name of the Mailbox
+## The variable %2$d will contain the number of messages
+2002=已從郵件匣 %1$S 中匯入 %2$d 封信
+
+# Error message
+## @name WMIMPORT_MAILBOX_BADPARAM
+## @loc None
+2003=匯入郵件匣時傳入的參數錯誤。
+
+# Error message
+## @name WMIMPORT_MAILBOX_BADSOURCEFILE
+## @loc None
+## LOCALIZATION NOTE (2004): In this item, don't translate "%S"
+## The variable %S will contain the name of the Mailbox
+2004=無法存取郵件匣檔案 %S。
+
+# Error message
+## @name WMIMPORT_MAILBOX_CONVERTERROR
+## @loc None
+## LOCALIZATION NOTE (2005): In this item, don't translate "%S"
+## The variable %S will contain the name of the Mailbox
+2005=匯入郵件匣 %S 時發生錯誤，可能沒有匯入所有信件。
+
+# Default name of imported addressbook
+## @name WMIMPORT_DEFAULT_NAME
+## @loc None
+2006=Windows Live Mail 通訊錄
+
+# Autofind description
+## @name WMIMPORT_AUTOFIND
+## @loc None
+2007=Windows Live Mail 通訊錄（Windows 通訊錄）
+
+# Description
+## @name WMIMPORT_ADDRESS_SUCCESS
+## @loc None
+## LOCALIZATION NOTE (2006): In this item, don't translate "%S"
+## The variable %S will receive the name of the address book
+2008=已匯入通訊錄 %S
+
+# Error message
+## @name WMIMPORT_ADDRESS_CONVERTERROR
+## @loc None
+## LOCALIZATION NOTE (2009): In this item, don't translate "%S"
+## The variable %S will receive the name of the address book
+2009=匯入通訊錄 %S 時發生錯誤，可能沒有匯入全部資料。
+
+# Error message
+## @name WMIMPORT_ADDRESS_BADPARAM
+## @loc None
+2010=匯入通訊錄時傳入的參數錯誤。
+
diff --git a/l10n-zh-TW/mail/chrome/mozldap/ldap.properties b/l10n-zh-TW/mail/chrome/mozldap/ldap.properties
new file mode 100644
index 0000000000..7527068374
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/mozldap/ldap.properties
@@ -0,0 +1,273 @@
+# 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# The following two strings are used when prompting the user for authentication
+# information:
+
+## @name AUTH_PROMPT_TITLE
+## @loc none
+authPromptTitle=需要 LDAP 伺服器的密碼
+
+## @name AUTH_PROMPT_TEXT
+## @loc %1$S should not be localized.  It is the hostname of the LDAP server.
+authPromptText=請輸入 %1$S 的密碼。
+
+# These are string versions of all the errors defined in
+# nsILDAPErrors.idl, as well as the nsresult codes based on those
+# errors.  See that file for the genesis of these codes, as well as 
+# for info about how to get documentation about their precise
+# meanings.
+
+# These are string versions of all the errors defined in
+# nsILDAPErrors.idl, as well as the nsresult codes based on those
+# errors.  See that file for the genesis of these codes, as well as
+# for info about how to get documentation about their precise
+# meanings.
+
+## @name OPERATIONS_ERROR
+## @loc none
+1=操作錯誤
+
+## @name PROTOCOL_ERROR
+## @loc none
+2=通訊協定錯誤
+
+## @name TIMELIMIT_EXCEEDED
+## @loc none
+3=超過時間限制
+
+## @name SIZELIMIT_EXCEEDED
+## @loc none
+4=超過大小限制
+
+## @name COMPARE_FALSE
+## @loc none
+5=比較失敗
+
+## @name COMPARE_TRUE
+## @loc none
+6=比較成功
+
+## @name STRONG_AUTH_NOT_SUPPORTED
+## @loc none
+7=未支援的認證方式
+
+## @name STRONG_AUTH_REQUIRED
+## @loc none
+8=需要更安全的認證方式
+
+## @name PARTIAL_RESULTS
+## @loc none
+9=收到部份結果
+
+## @name REFERRAL
+## @loc none
+10=收到參考資料
+
+## @name ADMINLIMIT_EXCEEDED
+## @loc none
+11=超出管理限制
+
+## @name UNAVAILABLE_CRITICAL_EXTENSION
+## @loc none
+12=無法使用重要的擴充模組
+
+## @name CONFIDENTIALITY_REQUIRED
+## @loc none
+13=需要保密
+
+## @name SASL_BIND_IN_PROGRESS
+## @loc none
+14=SASL 繫結中
+
+## @name NO_SUCH_ATTRIBUTE
+## @loc none
+16=無此屬性
+
+## @name UNDEFINED_TYPE
+## @loc none
+17=未定義的屬性
+
+## @name INAPPROPRIATE MATCHIN
+## @loc none
+18=無法符合
+
+## @name CONSTRAINT_VIOLATION
+## @loc none
+19=違反限制
+
+## @name TYPE_OR_VALUE_EXISTS
+## @loc none
+20=型態或數值已存在
+
+## @name INVALID_SYNTAX
+## @loc none
+21=語法錯誤
+
+## @name NO_SUCH_OBJECT
+## @loc none
+32=無此物件
+
+## @name ALIAS_PROBLEM
+## @loc none
+33=別名錯誤
+
+## @name INVALID_DN_ SYNTAX
+## @loc none
+34=DN 語法錯誤
+
+## @name IS_LEAF
+## @loc none
+35=物件是終端節點(leaf)
+
+## @name ALIAS_DEREF_PROBLEM
+## @loc none
+36=別名解析錯誤
+
+## @name INAPPROPRIATE_AUTH
+## @loc none
+48=不適當的認證
+
+## @name INVALID_CREDENTIALS
+## @loc none
+49=資格證明不合
+
+## @name INSUFFICIENT_ACCESS
+## @loc none
+50=無法存取
+
+## @name BUSY
+## @loc none
+51=LDAP 伺服器流量過高
+
+## @name UNAVAILABLE
+## @loc none
+52=LDAP 伺服器暫停服務
+
+## @name UNWILLING_TO_PERFORM
+## @loc none
+53=LDAP 伺服器不願意執行
+
+## @name LOOP_DETECT
+## @loc none
+54=偵測到迴圈
+
+## @name SORT_CONTROL_MISSING
+## @loc none
+60=缺少排序控制
+
+## @name INDEX_RANGE_ERROR
+## @loc none
+61=搜尋結果超出指定的範圍
+
+## @name NAMING_VIOLATION
+## @loc none
+64=命名衝突
+
+## @name OBJECT_CLASS_VIOLATION
+## @loc none
+65=物件類別衝突
+
+## @name NOT_ALLOWED_ON_NONLEAF
+## @loc none
+66=在非末端節點允許此動作
+
+## @name NOT_ALLOWED_ON_RDN
+## @loc none
+67=在RDN不允許此動作
+
+## @name ALREADY_EXISTS
+## @loc none
+68=已存在
+
+## @name NO_OBJECT_CLASS_MODS
+## @loc none
+69=無法修改物件類別
+
+## @name RESULTS_TOO_LARGE
+## @loc none
+70=回傳結果太大
+
+## @name AFFECTS_MULTIPLE_DSAS
+## @loc none
+71=會影響多個伺服器
+
+## @name OTHER
+## @loc none
+80=未知錯誤
+
+## @name SERVER_DOWN
+## @loc none
+81=無法連線至 LDAP 伺服器
+
+## @name LOCAL_ERROR
+## @loc none
+82=本地錯誤
+
+## @name ENCODING_ERROR
+## @loc none
+83=編碼錯誤
+
+## @name DECODING_ERROR
+## @loc none
+84=解碼錯誤
+
+## @name TIMEOUT
+## @loc none
+85=LDAP 伺服器等候逾時
+
+## @name AUTH_UNKNOWN
+## @loc none
+86=未知的認證方式
+
+## @name FILTER_ERROR
+## @loc none
+87=無效的搜尋篩選器
+
+## @name USER_CANCELLED
+## @loc none
+88=使用者取消
+
+## @name PARAM_ERROR
+## @loc none
+89=LDAP 功能收到錯誤參數
+
+## @name NO_MEMORY
+## @loc none
+90=記憶體不足
+
+## @name CONNECT_ERROR
+## @loc none
+91=無法與 LDAP 伺服器連線
+
+## @name NOT_SUPPORTED
+## @loc none
+92=不支援此版本的 LDAP 通訊協定
+
+## @name CONTROL_NOT_FOUND
+## @loc none
+93=找不到所要求的 LDAP 控制
+
+## @name NO_RESULTS_RETURNED
+## @loc none
+94=無回傳結果
+
+## @name MORE_RESULTS_TO_RETURN
+## @loc none
+95=還有更多回傳結果
+
+## @name CLIENT_LOOP
+## @loc none
+96=偵測到迴圈
+
+## @name REFERRAL_LIMIT_EXCEEDED
+## @loc none
+97=參考轉換次數過多
+
diff --git a/l10n-zh-TW/mail/chrome/overrides/netError.dtd b/l10n-zh-TW/mail/chrome/overrides/netError.dtd
new file mode 100644
index 0000000000..8ceecca6f9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/overrides/netError.dtd
@@ -0,0 +1,181 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd">
+%brandDTD;
+
+<!ENTITY loadError.label "頁面載入發生問題">
+<!ENTITY retry.label "重試">
+
+<!-- Specific error messages -->
+
+<!ENTITY connectionFailure.title "連線失敗">
+<!ENTITY connectionFailure.longDesc "&sharedLongDesc;">
+
+<!ENTITY deniedPortAccess.title "此網址已被限制">
+<!ENTITY deniedPortAccess.longDesc "">
+
+<!ENTITY dnsNotFound.title "找不到伺服器">
+<!ENTITY dnsNotFound.longDesc "<ul>
+   <li>請檢查網址是否有打錯？例如把
+   <strong>www</strong>.example.com 打成
+   <strong>ww</strong>.example.com</li>
+   <li>若無法載入任何網站，請檢查您的網路連線狀態。</li>
+   <li>若電腦或網路被防火牆或 Proxy 保護，請確定
+   &brandShortName; 被允許存取網路。</li> </ul>
+                    ">
+
+<!ENTITY fileNotFound.title "找不到檔案">
+<!ENTITY fileNotFound.longDesc "
+<ul>
+  <li>請檢查檔名是否有大小寫錯誤、拼錯字。</li>
+  <li>請檢查檔案是否已被移動、改名或刪除。</li>
+</ul>
+">
+
+<!ENTITY fileAccessDenied.title "對檔案的存取要求已被拒絕">
+<!ENTITY fileAccessDenied.longDesc "<ul><li>可能是檔案被移走、移除，或存取權限不正確，造成無法存取。</li></ul>">
+
+<!ENTITY generic.title "噢！">
+<!ENTITY generic.longDesc "
+<p>&brandShortName; 因為某些原因無法載入此網頁。</p>
+">
+
+<!ENTITY malformedURI.title "不正確的網址">
+<!ENTITY malformedURI.longDesc "<ul>
+   <li>網址通常長的像
+      <strong>http://www.example.com/</strong>。</li>
+   <li>請確定您用的是斜線（例:
+      <strong>/</strong>）。</li>
+</ul>
+                ">
+
+<!ENTITY netInterrupt.title "連線中斷">
+<!ENTITY netInterrupt.longDesc "&sharedLongDesc;">
+
+<!ENTITY notCached.title "文件已過期">
+<!ENTITY notCached.longDesc "<p>您所請求的文件已不存在於快取當中。</p><ul><li>為了您的安全，&brandShortName; 將不會自動重新請求敏感文件。</li><li>請點下重試以重新向網站請求取得文件。</li></ul>">
+
+<!ENTITY netOffline.title "離線模式">
+<!ENTITY netOffline.longDesc2 "
+<ul>
+  <li>請按下「重試」以切換到連線模式並重新載入頁面。</li>
+</ul>
+">
+
+<!ENTITY contentEncodingError.title "內容編碼錯誤">
+<!ENTITY contentEncodingError.longDesc "
+<ul>
+  <li>請向網站擁有者回報此問題。</li>
+</ul>
+">
+
+<!ENTITY unsafeContentType.title "不安全的檔案類型">
+<!ENTITY unsafeContentType.longDesc "
+<ul>
+  <li>請向網站擁有者回報此問題。</li>
+</ul>
+">
+
+<!ENTITY netReset.title "連線被重設">
+<!ENTITY netReset.longDesc "&sharedLongDesc;">
+
+<!ENTITY netTimeout.title "連線已逾時">
+<!ENTITY netTimeout.longDesc "&sharedLongDesc;">
+
+<!ENTITY unknownProtocolFound.title "無法理解的網址">
+<!ENTITY unknownProtocolFound.longDesc "<ul><li>您可能需要安裝其他軟體才能開啟此網址。</li></ul>">
+
+<!ENTITY proxyConnectFailure.title "Proxy 伺服器拒絕連線">
+<!ENTITY proxyConnectFailure.longDesc "
+<ul>
+  <li>請檢查 Proxy 設定是否正確。</li>
+  <li>與您的網路管理員聯絡，確定 Proxy 伺服器正常運作。</li>
+</ul>
+">
+
+<!ENTITY proxyResolveFailure.title "找不到 Proxy 伺服器">
+<!ENTITY proxyResolveFailure.longDesc "
+<ul>
+  <li>請檢查 Proxy 設定是否正確。</li>
+  <li>請檢查您的網路連線狀態。</li>
+  <li>若電腦或網路被防火牆或 Proxy 保護，請確定
+    &brandShortName; 被允許存取網路。</li>
+</ul>
+">
+
+<!ENTITY redirectLoop.title "頁面重新導向不正確">
+<!ENTITY redirectLoop.longDesc "
+<ul>
+  <li>有時候停用或拒絕接受 Cookie 會造成此問題。</li>
+</ul>
+">
+
+<!ENTITY unknownSocketType.title "伺服器回應錯誤">
+<!ENTITY unknownSocketType.longDesc "
+<ul>
+  <li>請確定電腦已安裝個人安全管理員 (Personal Security Manager)。</li>
+  <li>可能是伺服器上的非標準設定所造成的。</li>
+</ul>
+">
+
+<!ENTITY nssFailure2.title "安全連線失敗">
+<!ENTITY nssFailure2.longDesc2 "<ul>
+  <li>無法顯示嘗試檢視的網頁。接收到的資料正確性無法被驗證。</li>
+  <li>請連絡網站擁有者以了解此問題。</li>
+</ul>">
+
+<!ENTITY nssBadCert.title "安全連線失敗">
+<!ENTITY nssBadCert.longDesc2 "
+<ul>
+  <li>這可能是伺服器上的設定造成的，或是有人嘗試假造該伺服器。</li>
+  <li>若您以前可以與該伺服器正常連線，那麼這個錯誤可能只是暫時的，您可以稍候再試試看。</li>
+</ul>
+">
+
+<!ENTITY sharedLongDesc "
+<ul>
+  <li>該網站可能暫時無法使用或太過忙碌，請過幾分鐘後再試試。</li>
+  <li>若無法載入任何網站，請檢查您的網路連線狀態。</li>
+  <li>若電腦或網路被防火牆或 Proxy 保護，請確定
+    &brandShortName; 被允許存取網路。</li>
+</ul>
+">
+
+<!ENTITY cspBlocked.title "依內容安全政策封鎖">
+<!ENTITY cspBlocked.longDesc "<p>&brandShortName; 阻止了這個頁面載入，因為這個頁面的內容安全政策不允許其以這種方式被載入。</p>">
+
+<!ENTITY xfoBlocked.title "因 X-Frame-Options 封鎖">
+<!ENTITY xfoBlocked.longDesc "<p>因為這個頁面包含 X-Frame-Options 政策，不允許以這種方式載入，&brandShortName; 封鎖了這個頁面載入。</p>">
+
+<!ENTITY corruptedContentErrorv2.title "內容毀損錯誤">
+<!ENTITY corruptedContentErrorv2.longDesc "<p>因為在資料傳輸過程當中偵測到錯誤，無法顯示您正要檢視的頁面。</p><ul><li>請通知網站管理者以讓他們知道這個問題。</li></ul>">
+
+<!ENTITY securityOverride.linkText "或者您也可以新增例外網站…">
+<!ENTITY securityOverride.getMeOutOfHereButton "帶我離開這裡！">
+<!ENTITY securityOverride.exceptionButtonLabel "新增例外網站…">
+
+<!-- LOCALIZATION NOTE (securityOverride.warningContent) - Do not translate the
+contents of the <button> tags. It uses strings already defined above. The
+button is included here (instead of netError.xhtml) because it exposes
+functionality specific to thunderbird. -->
+
+<!ENTITY securityOverride.warningContent "<p>您不應該在您不完全信任的網路連線，或是不曾看到關於此伺服器的警告的情況下增加例外。</p>
+
+<button id='getMeOutOfHereButton'>&securityOverride.getMeOutOfHereButton;</button>
+<button id='exceptionDialogButton'>&securityOverride.exceptionButtonLabel;</button>
+">
+
+<!ENTITY remoteXUL.title "遠端 XUL">
+<!ENTITY remoteXUL.longDesc "<p><ul><li>請聯絡網站管理員以通知他們這個問題。</li></ul></p>">
+
+<!ENTITY inadequateSecurityError.title "您的連線並不安全">
+<!-- LOCALIZATION NOTE (inadequateSecurityError.longDesc) - Do not translate
+     "NS_ERROR_NET_INADEQUATE_SECURITY". -->
+<!ENTITY inadequateSecurityError.longDesc "<p><span class='hostname'></span> 使用過時的安全性技術，容易遭受攻擊。攻擊者可以簡單地得知您認為安全的資訊。網站管理員修正伺服器設定後您才能連線至此網站。</p><p>錯誤代碼: NS_ERROR_NET_INADEQUATE_SECURITY</p>">
+
+<!ENTITY blockedByPolicy.title "已封鎖頁面">
+
+<!ENTITY networkProtocolError.title "網路通訊協定錯誤">
+<!ENTITY networkProtocolError.longDesc "<p>因為偵測到網路通訊協定中的問題，無法顯示您嘗試檢視的頁面。</p><ul><li>請聯絡網站管理員來解決這個問題。</li></ul>">
diff --git a/l10n-zh-TW/mail/chrome/overrides/profileDowngrade.dtd b/l10n-zh-TW/mail/chrome/overrides/profileDowngrade.dtd
new file mode 100644
index 0000000000..457a2494b9
--- /dev/null
+++ b/l10n-zh-TW/mail/chrome/overrides/profileDowngrade.dtd
@@ -0,0 +1,20 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- LOCALIZATION NOTE:
+ This UI can be most easily shown by modifying the version in compatibility.ini
+ to a newer version and then starting Thunderbird.
+ For this feature, "installation" is used to mean "this discrete download of
+ Thunderbird" and "version" is used to mean "the specific revision number of a
+ given Thunderbird channel". These terms are not synonymous.
+-->
+<!ENTITY window.title "您啟動了舊版的 &brandProductName;">
+<!ENTITY window.style "width: 490px;">
+
+<!ENTITY window.nosync2 "新版的 &brandProductName; 可能修改了您的設定檔，造成其已無法於此舊版相容。請於該新版本程式中使用本設定檔，或是為這一套舊版的 &brandShortName; 建立新設定檔使用。建立新設定檔後，必須重新設定郵件帳號、行事曆並安裝附加元件。">
+
+<!ENTITY window.moreinfo "更多資訊…">
+<!ENTITY window.create "建立新設定檔">
+<!ENTITY window.quit-win "結束">
+<!ENTITY window.quit-nonwin "離開">
diff --git a/l10n-zh-TW/mail/crashreporter/crashreporter-override.ini b/l10n-zh-TW/mail/crashreporter/crashreporter-override.ini
new file mode 100644
index 0000000000..d57e34ef38
--- /dev/null
+++ b/l10n-zh-TW/mail/crashreporter/crashreporter-override.ini
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This file is in the UTF-8 encoding
+[Strings]
+# LOCALIZATION NOTE (CrashReporterProductErrorText2): The %s is replaced with a string containing detailed information.
+CrashReporterProductErrorText2=Thunderbird 意外碰上問題而自行關閉，重新啟動時將嘗試復原方才閱覽的分頁及視窗。\n\n可惜，我們無法傳回關於這次錯誤關閉的資訊報表。\n\n細節如下: %s
+CrashReporterDescriptionText2=Thunderbird 意外碰上問題而自行關閉，重新啟動時將嘗試復原方才閱覽的分頁及視窗。\n\n為了協助我們修正相關錯誤，煩請傳回錯誤關閉的資訊報表。
diff --git a/l10n-zh-TW/mail/defines.inc b/l10n-zh-TW/mail/defines.inc
new file mode 100644
index 0000000000..1de67b4d88
--- /dev/null
+++ b/l10n-zh-TW/mail/defines.inc
@@ -0,0 +1,9 @@
+#filter emptyLines
+
+#define MOZ_LANGPACK_CREATOR Mozilla Taiwan Community (MozTW)
+
+# If non-English locales wish to credit multiple contributors, uncomment this
+# variable definition and use the format specified.
+#define MOZ_LANGPACK_CONTRIBUTORS <em:contributor>Hung-Te Lin(piaip)</em:contributor> <em:contributor>Wei-Lun Sun(josesun)</em:contributor> <em:contributor>Wei-Chen Lai(abev66)</em:contributor> <em:contributor>Tim Guan-Tin Chien(timdream)</em:contributor> <em:contributor>Peter Pin-Guang Chen(petercpg)</em:contributor>
+
+#unfilter emptyLines
diff --git a/l10n-zh-TW/mail/installer/custom.properties b/l10n-zh-TW/mail/installer/custom.properties
new file mode 100644
index 0000000000..9881545ed1
--- /dev/null
+++ b/l10n-zh-TW/mail/installer/custom.properties
@@ -0,0 +1,86 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE:
+
+# This file must be saved as UTF8
+
+# Accesskeys are defined by prefixing the letter that is to be used for the
+# accesskey with an ampersand (e.g. &).
+
+# Do not replace $BrandShortName, $BrandFullName, or $BrandFullNameDA with a
+# custom string and always use the same one as used by the en-US files.
+# $BrandFullNameDA allows the string to contain an ampersand (e.g. DA stands
+# for double ampersand) and prevents the letter following the ampersand from
+# being used as an accesskey.
+
+# You can use \n to create a newline in the string but only when the string
+# from en-US contains a \n.
+
+REG_APP_DESC=$BrandShortName 是全功能的郵件處理程式。$BrandShortName 支援 IMAP 與 POP 郵件協定，並能處理 HTML 格式郵件。內建垃圾郵件控制、RSS 消息來源閱讀、強而有力的快速搜尋、即時拼字檢查、全域收件匣、進階的郵件篩選等功能讓 $BrandShortName 躋身為最現代的郵件處理程式。
+CONTEXT_OPTIONS=$BrandShortName 選項 (&O)
+CONTEXT_SAFE_MODE=$BrandShortName 安全模式 (&S)
+OPTIONS_PAGE_TITLE=安裝類型
+OPTIONS_PAGE_SUBTITLE=選擇安裝元件
+SHORTCUTS_PAGE_TITLE=設定捷徑
+SHORTCUTS_PAGE_SUBTITLE=建立程式圖示
+COMPONENTS_PAGE_TITLE=安裝非必要元件
+COMPONENTS_PAGE_SUBTITLE=建議安裝的非必要元件
+OPTIONAL_COMPONENTS_DESC=維護服務將會讓您可以在背景當中默默地自動更新 $BrandShortName。
+MAINTENANCE_SERVICE_CHECKBOX_DESC=安裝維護服務 (&M)
+SUMMARY_PAGE_TITLE=摘要
+SUMMARY_PAGE_SUBTITLE=已經準備好要開始安裝 $BrandShortName
+SUMMARY_INSTALLED_TO=$BrandShortName 會安裝到下列位置:
+SUMMARY_REBOOT_REQUIRED_INSTALL=可能需要重新啟動電腦才能完成安裝。
+SUMMARY_REBOOT_REQUIRED_UNINSTALL=可能需要重新啟動電腦才能完成移除。
+SUMMARY_TAKE_DEFAULTS=使用 $BrandShortName 作為我的預設郵件軟體 (&s)
+SUMMARY_INSTALL_CLICK=按「安裝」繼續。
+SUMMARY_UPGRADE_CLICK=按「升級」繼續。
+SURVEY_TEXT=告訴我們您覺得 $BrandShortName 如何？
+LAUNCH_TEXT=立刻啟動 $BrandFullName (&L)
+CREATE_ICONS_DESC=為 $BrandShortName 建立圖示:
+ICONS_DESKTOP=於我的桌面
+ICONS_STARTMENU=於開始功能表的程式集中 (&S)
+ICONS_QUICKLAUNCH=於快速啟動列 (&Q)
+ICONS_TASKBAR=於我的工作列（&t）
+WARN_MANUALLY_CLOSE_APP_INSTALL=必須先關閉 $BrandShortName 才能繼續安裝程序。\n\n請手動關閉 $BrandShortName 以繼續。
+WARN_MANUALLY_CLOSE_APP_UNINSTALL=必須先關閉 $BrandShortName 才能繼續移除程序。\n\n請關閉 $BrandShortName 以繼續移除。
+WARN_MANUALLY_CLOSE_APP_LAUNCH=$BrandShortName 正在執行。\n\n請關閉 $BrandShortName 後再執行您剛安裝好的版本。
+WARN_WRITE_ACCESS=您沒有權限寫入安裝目錄。\n\n按「確定」選擇另一個目錄。
+WARN_DISK_SPACE=您沒有足夠的磁碟空間安裝到該位置。\n按「確定」選擇另一個目錄。
+WARN_MIN_SUPPORTED_OSVER_MSG=很抱歉，無法安裝 $BrandShortName。此版本的 $BrandShortName 需要 ${MinSupportedVer} 或更新版本。請點擊確定按鈕取得更多資訊。
+WARN_MIN_SUPPORTED_CPU_MSG=很抱歉，無法安裝 $BrandShortName。此版本的 $BrandShortName 需要支援 ${MinSupportedCPU} 的中央處理器。請點擊確定按鈕取得更多資訊。
+WARN_MIN_SUPPORTED_OSVER_CPU_MSG=很抱歉，無法安裝 $BrandShortName。此版本的 $BrandShortName 需要 ${MinSupportedVer} 或更新版本以及支援 ${MinSupportedCPU} 的中央處理器。請點擊確定按鈕取得更多資訊。
+WARN_RESTART_REQUIRED_UNINSTALL=必須重新啟動電腦才能完成 $BrandShortName 的解除安裝程序。您要現在重開嗎？
+WARN_RESTART_REQUIRED_UPGRADE=您的電腦必須重新啟動以完成升級 $BrandShortName。您想要立刻重新啟動電腦嗎？
+ERROR_CREATE_DIRECTORY_PREFIX=建立目錄時發生錯誤:
+ERROR_CREATE_DIRECTORY_SUFFIX=按「取消」停止安裝\n或按「重試」再試一次。
+
+UN_CONFIRM_PAGE_TITLE=移除 $BrandFullName
+UN_CONFIRM_PAGE_SUBTITLE=從您的電腦移除 $BrandFullName。
+UN_CONFIRM_UNINSTALLED_FROM=將自下列位置移除 $BrandShortName:
+UN_CONFIRM_CLICK=按「移除」繼續。
+
+BANNER_CHECK_EXISTING=正在檢查現有的安裝…
+
+STATUS_INSTALL_APP=正在安裝 $BrandShortName…
+STATUS_INSTALL_LANG=正在安裝語言檔案（${AB_CD}）…
+STATUS_UNINSTALL_MAIN=正在移除 $BrandShortName…
+STATUS_CLEANUP=清理垃圾…
+
+# _DESC strings support approximately 65 characters per line.
+# One line
+OPTIONS_SUMMARY=請選擇您想安裝的類型後按「下一步」。
+# One line
+OPTION_STANDARD_DESC=$BrandShortName 會安裝最常用的元件。
+OPTION_STANDARD_RADIO=標準安裝 (&S)
+# Two lines
+OPTION_CUSTOM_DESC=您可以自己選擇安裝選項，建議進階使用者選用。
+OPTION_CUSTOM_RADIO=自訂安裝 (&C)
+
+# LOCALIZATION NOTE:
+# The following text replaces the Install button text on the summary page.
+# Verify that the access key for InstallBtn (in override.properties) and
+# UPGRADE_BUTTON is not already used by SUMMARY_TAKE_DEFAULTS.
+UPGRADE_BUTTON=升級 (&U)
diff --git a/l10n-zh-TW/mail/installer/mui.properties b/l10n-zh-TW/mail/installer/mui.properties
new file mode 100644
index 0000000000..968c101f9e
--- /dev/null
+++ b/l10n-zh-TW/mail/installer/mui.properties
@@ -0,0 +1,61 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# To make the l10n tinderboxen see changes to this file you can change a value
+# name by adding - to the end of the name followed by chars (e.g. Branding-2).
+
+# LOCALIZATION NOTE:
+
+# This file must be saved as UTF8
+
+# Accesskeys are defined by prefixing the letter that is to be used for the
+# accesskey with an ampersand (e.g. &).
+
+# Do not replace $BrandShortName, $BrandFullName, or $BrandFullNameDA with a
+# custom string and always use the same one as used by the en-US files.
+# $BrandFullNameDA allows the string to contain an ampersand (e.g. DA stands
+# for double ampersand) and prevents the letter following the ampersand from
+# being used as an accesskey.
+
+# You can use \n to create a newline in the string but only when the string
+# from en-US contains a \n.
+MUI_TEXT_WELCOME_INFO_TITLE=歡迎使用 $BrandFullNameDA 安裝精靈
+MUI_TEXT_WELCOME_INFO_TEXT=本精靈會引導您一步步安裝 $BrandFullNameDA。\n\n安裝前建議您關閉其他的常駐程式，為了更新相關的系統檔案可能必須重新啟動電腦。\n\n$_CLICK
+MUI_TEXT_COMPONENTS_TITLE=選擇元件
+MUI_TEXT_COMPONENTS_SUBTITLE=選擇您要安裝 $BrandFullNameDA 的哪些功能。
+MUI_INNERTEXT_COMPONENTS_DESCRIPTION_TITLE=描述
+MUI_INNERTEXT_COMPONENTS_DESCRIPTION_INFO=將滑鼠移到元件上即可查看該元件的詳細說明。
+MUI_TEXT_DIRECTORY_TITLE=選擇安裝位置
+MUI_TEXT_DIRECTORY_SUBTITLE=選擇要安裝 $BrandFullNameDA 到哪個資料夾。
+MUI_TEXT_INSTALLING_TITLE=安裝中
+MUI_TEXT_INSTALLING_SUBTITLE=請稍候 $BrandFullNameDA 安裝。
+MUI_TEXT_FINISH_TITLE=安裝完成
+MUI_TEXT_FINISH_SUBTITLE=安裝已經順利完成。
+MUI_TEXT_ABORT_TITLE=安裝中斷
+MUI_TEXT_ABORT_SUBTITLE=未成功完成安裝。
+MUI_BUTTONTEXT_FINISH=完成 (&F)
+MUI_TEXT_FINISH_INFO_TITLE=正在完成 $BrandFullNameDA 安裝精靈
+MUI_TEXT_FINISH_INFO_TEXT=已經安裝 $BrandFullNameDA 到您的電腦。\n\n點選「完成」關閉此安裝程式。
+MUI_TEXT_FINISH_INFO_REBOOT=您需要重新啟動電腦才能完成 $BrandFullNameDA 的安裝程序。您要現在重新啟動嗎？
+MUI_TEXT_FINISH_REBOOTNOW=立刻重新啟動
+MUI_TEXT_FINISH_REBOOTLATER=我要稍後自己重新啟動
+MUI_TEXT_STARTMENU_TITLE=選擇開始功能表資料夾
+MUI_TEXT_STARTMENU_SUBTITLE=請選擇要建立 $BrandFullNameDA 捷徑的開始功能表資料夾。
+MUI_INNERTEXT_STARTMENU_TOP=選擇您想要建立程式捷徑在哪個資料夾，您也可以輸入新名稱建立新資料夾。
+MUI_TEXT_ABORTWARNING=您確定要離開 $BrandFullName 的安裝程式？
+MUI_UNTEXT_WELCOME_INFO_TITLE=歡迎使用 $BrandFullNameDA 移除精靈
+MUI_UNTEXT_WELCOME_INFO_TEXT=本精靈會引導您一步步移除 $BrandFullNameDA。\n\n安裝前請確定 $BrandFullNameDA 已經關閉。\n\n$_CLICK
+MUI_UNTEXT_CONFIRM_TITLE=移除 $BrandFullNameDA
+MUI_UNTEXT_CONFIRM_SUBTITLE=從您的電腦移除 $BrandFullNameDA。
+MUI_UNTEXT_UNINSTALLING_TITLE=移除中
+MUI_UNTEXT_UNINSTALLING_SUBTITLE=請稍候直到完成移除 $BrandFullNameDA。
+MUI_UNTEXT_FINISH_TITLE=移除完成
+MUI_UNTEXT_FINISH_SUBTITLE=已成功完成移除。
+MUI_UNTEXT_ABORT_TITLE=移除中斷
+MUI_UNTEXT_ABORT_SUBTITLE=未成功完成移除。
+MUI_UNTEXT_FINISH_INFO_TITLE=正在完成 $BrandFullNameDA 移除精靈
+MUI_UNTEXT_FINISH_INFO_TEXT=已從您的電腦中移除 $BrandFullNameDA。\n\n按「完成」關閉本精靈。
+MUI_UNTEXT_FINISH_INFO_REBOOT=您需要重新啟動電腦才能完成 $BrandFullNameDA 的移除程序。您要現在重新啟動嗎？
+MUI_UNTEXT_ABORTWARNING=您確定要離開 $BrandFullName 的移除程式？
+
diff --git a/l10n-zh-TW/mail/installer/override.properties b/l10n-zh-TW/mail/installer/override.properties
new file mode 100644
index 0000000000..f84c2fcf90
--- /dev/null
+++ b/l10n-zh-TW/mail/installer/override.properties
@@ -0,0 +1,87 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# LOCALIZATION NOTE:
+
+# This file must be saved as UTF8
+
+# Accesskeys are defined by prefixing the letter that is to be used for the
+# accesskey with an ampersand (e.g. &).
+
+# Do not replace $BrandShortName, $BrandFullName, or $BrandFullNameDA with a
+# custom string and always use the same one as used by the en-US files.
+# $BrandFullNameDA allows the string to contain an ampersand (e.g. DA stands
+# for double ampersand) and prevents the letter following the ampersand from
+# being used as an accesskey.
+
+# You can use \n to create a newline in the string but only when the string
+# from en-US contains a \n.
+
+# Strings that require a space at the end should be enclosed with double
+# quotes and the double quotes will be removed. To add quotes to the beginning
+# and end of a string enclose the strin with an additional double quote
+# (e.g. ""This will include quotes"").
+
+SetupCaption=$BrandFullName 安裝
+UninstallCaption=$BrandFullName 移除
+BackBtn=< 上一步(&B)
+NextBtn=下一步(&N) >
+AcceptBtn=我接受上列的授權條款 (&A)
+DontAcceptBtn=我不接受上列的授權條款 (&d)
+InstallBtn=安裝(&I)
+UninstallBtn=移除(&U)
+CancelBtn=取消
+CloseBtn=關閉 (&C)
+BrowseBtn=瀏覽 (&R)…
+ShowDetailsBtn=顯示詳細資訊 (&D)
+ClickNext=按「下一步」繼續。
+ClickInstall=按「安裝」開始安裝程序。
+ClickUninstall=按「移除」開始移除程序。
+Completed=已完成
+LicenseTextRB=安裝 $BrandFullNameDA 前請閱讀授權協議書。如果您接受所有條款，請選下面的第一個選項。 $_CLICK
+ComponentsText=請勾選您想安裝的部份並取消您不想安裝的元件。 $_CLICK
+ComponentsSubText2_NoInstTypes=選擇要安裝的元件:
+DirText=安裝程式將會安裝 $BrandFullNameDA 到下列資料夾。若要安裝到其他資料夾，請按「瀏覽」後選擇其他資料夾。 $_CLICK
+DirSubText=目的資料夾
+DirBrowseText=選擇要將 $BrandFullNameDA 安裝到:
+SpaceAvailable="可用空間: "
+SpaceRequired="需要空間: "
+UninstallingText=$BrandFullNameDA 將會從下列資料夾中被移除。$_CLICK
+UninstallingSubText=從此處移除:
+FileError=開啟檔案寫入失敗: \r\n\r\n$0\r\n\r\n按「中斷」停止安裝程序，\r\n「重試」再試一次，\r\n或按「忽略」略過此檔案。
+FileError_NoIgnore=開啟檔案寫入失敗: \r\n\r\n$0\r\n\r\n按「重試」再試一次，\r\n或按「取消」停止安裝程序。
+CantWrite="無法寫入: "
+CopyFailed=複製失敗
+CopyTo="複製到 "
+Registering="註冊中: "
+Unregistering="解除註冊中: "
+SymbolNotFound="找不到符號: "
+CouldNotLoad="無法載入: "
+CreateFolder="建立資料夾: "
+CreateShortcut="建立捷徑: "
+CreatedUninstaller="建立移除程式: "
+Delete="刪除檔案: "
+DeleteOnReboot="重新開機後刪除: "
+ErrorCreatingShortcut="建立捷徑時發生錯誤: "
+ErrorCreating="建立時發生錯誤: "
+ErrorDecompressing=解壓縮資料時錯誤！安裝程式是否毀損？
+ErrorRegistering=註冊 DLL 時錯誤
+ExecShell="ExecShell: "
+Exec="執行: "
+Extract="解壓縮: "
+ErrorWriting="解壓縮: 寫入檔案時發生錯誤 "
+InvalidOpcode=安裝程式毀損: 無效的操作碼
+NoOLE="無 OLE 於: "
+OutputFolder="輸出資料夾: "
+RemoveFolder="移除資料夾: "
+RenameOnReboot="重新開機後更名: "
+Rename="重新命名: "
+Skipped="略過: "
+CopyDetails=複製詳細資訊到剪貼簿
+LogInstall=記錄安裝過程
+Byte=B
+Kilo=K
+Mega=M
+Giga=G
+
diff --git a/l10n-zh-TW/mail/messenger/aboutAddonsExtra.ftl b/l10n-zh-TW/mail/messenger/aboutAddonsExtra.ftl
new file mode 100644
index 0000000000..eb9360cae2
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutAddonsExtra.ftl
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+add-on-options-button =
+    .title = 附加元件選項
+
+add-on-search-alternative-button-label = 尋找替代附加元件
+
+atn-addons-heading-search-input =
+    .placeholder = 搜尋 addons.thunderbird.net 上的附加元件
+
diff --git a/l10n-zh-TW/mail/messenger/aboutDialog.ftl b/l10n-zh-TW/mail/messenger/aboutDialog.ftl
new file mode 100644
index 0000000000..37ad5cfc57
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutDialog.ftl
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+about-update-whats-new = 有什麼新鮮事
+aboutDialog-title =
+    .title = 關於 { -brand-full-name }
+# Example of resulting string: 66.0.1 (64-bit)
+# Variables:
+#   $version (String): version of Thunderbird, e.g. 66.0.1
+#   $bits (Number): bits of the architecture (32 or 64)
+aboutDialog-version = { $version }（{ $bits } 位元）
+# Example of resulting string: 66.0a1 (2019-01-16) (64-bit)
+# Variables:
+#   $version (String): version of Thunderbird for Daily builds, e.g. 66.0a1
+#   $isodate (String): date in ISO format, e.g. 2019-01-16
+#   $bits (Number): bits of the architecture (32 or 64)
+aboutDialog-version-nightly = { $version }（{ $isodate }）（{ $bits } 位元）
diff --git a/l10n-zh-TW/mail/messenger/aboutImport.ftl b/l10n-zh-TW/mail/messenger/aboutImport.ftl
new file mode 100644
index 0000000000..9eb6feafa7
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutImport.ftl
@@ -0,0 +1,282 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+import-page-title = 匯入
+
+export-page-title = 匯出
+
+## Header
+
+import-start = 匯入工具
+
+import-start-title = 從應用程式或檔案匯入設定或資料。
+
+import-start-description = 請選擇要匯入的來源資料位置，稍後會再詢問您要匯入哪些資料。
+
+import-from-app = 從應用程式匯入
+
+import-file = 從檔案匯入
+
+import-file-title = 請選擇要匯入內容的檔案。
+
+import-file-description = 選擇匯入先前備份的設定檔、通訊錄或行事曆。
+
+import-address-book-title = 匯入通訊錄檔案
+
+import-calendar-title = 匯入行事曆檔案
+
+export-profile = 匯出
+
+## Buttons
+
+button-back = 返回
+
+button-continue = 繼續
+
+button-export = 匯出
+
+button-finish = 完成
+
+## Import from app steps
+
+app-name-thunderbird = Thunderbird
+
+app-name-seamonkey = SeaMonkey
+
+app-name-outlook = Outlook
+
+app-name-becky = Becky! Internet Mail
+
+app-name-apple-mail = Apple Mail
+
+source-thunderbird = 從另一套 { app-name-thunderbird } 匯入
+
+source-thunderbird-description = 從 { app-name-thunderbird } 設定檔匯入設定、過濾器、訊息與其他資料。
+
+source-seamonkey = 從安裝好的 { app-name-seamonkey } 匯入
+
+source-seamonkey-description = 從 { app-name-seamonkey } 設定檔匯入設定、過濾器、訊息與其他資料。
+
+source-outlook = 從 { app-name-outlook } 匯入
+
+source-outlook-description = 從 { app-name-outlook } 匯入帳號、通訊錄與郵件訊息。
+
+source-becky = 從 { app-name-becky } 匯入
+
+source-becky-description = 從 { app-name-becky } 匯入帳號、通訊錄與郵件訊息。
+
+source-apple-mail = 從 { app-name-apple-mail } 匯入
+
+source-apple-mail-description = 從 { app-name-apple-mail } 匯入相關訊息。
+
+source-file2 = 從檔案匯入
+
+source-file-description = 請選擇檔案來匯入通訊錄、行事曆，或設定檔備份（ZIP 檔格式）。
+
+## Import from file selections
+
+file-profile2 = 匯入設定檔備份
+
+file-profile-description = 請選擇先前備份的 Thunderbird 設定檔 (.zip)
+
+file-calendar = 匯入行事曆
+
+file-calendar-description = 請選擇先前匯出的行事曆或事件 (.ics)
+
+file-addressbook = 匯入通訊錄
+
+file-addressbook-description = 選擇包含先前匯出的通訊錄與聯絡人的備份檔
+
+## Import from app profile steps
+
+from-app-thunderbird = 從 { app-name-thunderbird } 設定檔匯入
+
+from-app-seamonkey = 從 { app-name-seamonkey } 設定檔匯入
+
+from-app-outlook = 從 { app-name-outlook } 匯入
+
+from-app-becky = 從 { app-name-becky } 匯入
+
+from-app-apple-mail = 從 { app-name-apple-mail } 匯入
+
+profiles-pane-title-thunderbird = 從 { app-name-thunderbird } 設定檔匯入相關設定與資料。
+
+profiles-pane-title-seamonkey = 從 { app-name-seamonkey } 設定檔匯入相關設定與資料。
+
+profiles-pane-title-outlook = 從 { app-name-outlook } 匯入相關資料。
+
+profiles-pane-title-becky = 從 { app-name-becky } 匯入相關資料。
+
+profiles-pane-title-apple-mail = 從 { app-name-apple-mail } 匯入相關訊息。
+
+profile-source = 從設定檔匯入
+
+# $profileName (string) - name of the profile
+profile-source-named = 從設定檔<strong>「{ $profileName }」</strong>匯入
+
+profile-file-picker-directory = 請選擇設定檔資料夾
+
+profile-file-picker-archive = 請選擇 <strong>ZIP</strong> 檔
+
+profile-file-picker-archive-description = ZIP 檔必須小於 2GB。
+
+profile-file-picker-archive-title = 請選擇 ZIP 檔（小於 2GB）
+
+items-pane-title2 = 請選擇要匯入的項目:
+
+items-pane-directory = 資料夾:
+
+items-pane-profile-name = 設定檔名稱:
+
+items-pane-checkbox-accounts = 帳號與設定
+
+items-pane-checkbox-address-books = 通訊錄
+
+items-pane-checkbox-calendars = 行事曆
+
+items-pane-checkbox-mail-messages = 郵件訊息
+
+items-pane-override = 將不會覆蓋現有的資料。
+
+## Import from address book file steps
+
+import-from-addr-book-file-description = 請選擇您通訊錄的檔案格式。
+
+addr-book-csv-file = 逗點或 Tab 分隔文件（.csv、.tsv）
+
+addr-book-ldif-file = LDIF 檔案（.ldif）
+
+addr-book-vcard-file = vCard 檔案（.vcf、.vcard）
+
+addr-book-sqlite-file = SQLite 資料庫檔案（.sqlite）
+
+addr-book-mab-file = Mork 資料庫檔案（.mab）
+
+addr-book-file-picker = 選擇通訊錄檔案
+
+addr-book-csv-field-map-title = 對應欄位名稱
+
+addr-book-csv-field-map-desc = 選擇來源欄位與通訊錄欄位之間的對應關係，可取消勾選不想匯入的欄位。
+
+addr-book-directories-title = 請選擇要將選擇的資料匯入到哪裡
+
+addr-book-directories-pane-source = 來源檔案:
+
+# $addressBookName (string) - name of the new address book that would be created.
+addr-book-import-into-new-directory2 = 建立名為<strong>「{ $addressBookName }」</strong>的新目錄
+
+# $addressBookName (string) - name of the address book to import into
+addr-book-summary-title = 將選擇的資料匯入「{ $addressBookName }」目錄
+
+# $addressBookName (string) - name of the address book that will be created.
+addr-book-summary-description = 將建立新的通訊錄「{ $addressBookName }」。
+
+## Import from calendar file steps
+
+import-from-calendar-file-desc = 請選擇您要匯入的 iCalendar（.ics）檔案。
+
+calendar-items-title = 請選擇要匯入的項目。
+
+calendar-items-loading = 正在載入項目…
+
+calendar-items-filter-input =
+    .placeholder = 過濾項目…
+
+calendar-select-all-items = 選擇全部
+
+calendar-deselect-all-items = 取消選擇全部
+
+calendar-target-title = 請選擇要將選擇的項目匯入到哪裡。
+
+# $targetCalendar (string) - name of the new calendar that would be created
+calendar-import-into-new-calendar2 = 建立名為<strong>「{ $targetCalendar }」</strong>的新行事曆
+
+# $itemCount (number) - count of selected items (tasks, events) that will be imported
+# $targetCalendar (string) - name of the calendar the items will be imported into
+calendar-summary-title =
+    { $itemCount ->
+       *[other] 將 { $itemCount } 個項目匯入到「{ $targetCalendar }」行事曆
+    }
+
+# $targetCalendar (string) - name of the calendar that will be created
+calendar-summary-description = 將建立名為「{ $targetCalendar }」的新行事曆。
+
+## Import dialog
+
+# $progressPercent (string) - percent formatted progress (for example "10%")
+progress-pane-importing2 = 匯入中… { $progressPercent }
+
+# $progressPercent (string) - percent formatted progress (for example "10%")
+progress-pane-exporting2 = 匯出中… { $progressPercent }
+
+progress-pane-finished-desc2 = 完成。
+
+error-pane-title = 錯誤
+
+error-message-zip-file-too-big2 = 選擇的 ZIP 檔案大小超過 2GB。請先解壓縮，然後改匯入解壓縮的資料夾。
+
+error-message-extract-zip-file-failed2 = ZIP 檔解壓縮失敗，請手動解壓縮，並重新匯入解開的資料夾。
+
+error-message-failed = 發生未預期的匯入失敗，錯誤主控台中可能有更多資訊。
+
+error-failed-to-parse-ics-file = 檔案中找不到可匯入的項目。
+
+error-export-failed = 發生未預期的匯出失敗，錯誤主控台中可能有更多資訊。
+
+error-message-no-profile = 找不到設定檔。
+
+## <csv-field-map> element
+
+csv-first-row-contains-headers = 第一行為標題
+
+csv-source-field = 來源欄位
+
+csv-source-first-record = 第一筆資料
+
+csv-source-second-record = 第二筆資料
+
+csv-target-field = 通訊錄欄位
+
+## Export tab
+
+export-profile-title = 將帳號、訊息、通訊錄、設定匯出成 ZIP 檔。
+
+export-profile-description = 若您目前的設定檔超過 2GB，建議您手動備份。
+
+export-open-profile-folder = 開啟設定檔目錄
+
+export-file-picker2 = 匯出成 ZIP 檔
+
+export-brand-name = { -brand-product-name }
+
+## Summary pane
+
+summary-pane-title = 要匯入的資料
+
+summary-pane-start = 開始匯入
+
+summary-pane-warning = 匯入完成後，需重新啟動 { -brand-product-name }。
+
+summary-pane-start-over = 重新啟動匯入工具
+
+## Footer area
+
+footer-help = 需要幫忙嗎？
+
+footer-import-documentation = 匯入文件
+
+footer-export-documentation = 匯出文件
+
+footer-support-forum = 技術支援討論區
+
+## Step navigation on top of the wizard pages
+
+step-list =
+    .aria-label = 匯入步驟
+
+step-confirm = 確認
+
+# Variables:
+# $number (number) - step number
+step-count = { $number }
diff --git a/l10n-zh-TW/mail/messenger/aboutProfilesExtra.ftl b/l10n-zh-TW/mail/messenger/aboutProfilesExtra.ftl
new file mode 100644
index 0000000000..a1b65b81ef
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutProfilesExtra.ftl
@@ -0,0 +1,5 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+profiles-launch-profile-plain = 啟動設定檔
diff --git a/l10n-zh-TW/mail/messenger/aboutRights.ftl b/l10n-zh-TW/mail/messenger/aboutRights.ftl
new file mode 100644
index 0000000000..49a311ffea
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutRights.ftl
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+rights-title = 關於您的權利
+rights-intro = { -brand-full-name } 是一套自由且開放原始碼的軟體，由來自世界各地數千位成員組成的社群所打造。有一些您應該知道的事：
+rights-intro-point-1 = { -brand-short-name } 是依照 <a data-l10n-name="mozilla-public-license-link">Mozilla 公眾授權條款</a>中的條件所提供給您的。這表示您可以使用、複製，或散布 { -brand-short-name } 給其他人。歡迎您自行修改 { -brand-short-name } 的原始碼以滿足您的需求；Mozilla 公眾授權條款也同時賦予您散佈修改版本的權利。
+rights-intro-point-2 = 您並未被授權使用 Mozilla 基金會或任何相關部門的商標，包含但不限於 Thunderbird 的名稱或圖示。您可以在<a data-l10n-name="mozilla-trademarks-link">這裡</a>找到更多關於商標的使用條款。
+rights-intro-point-3 = { -brand-short-name } 當中的一些功能，像是程式錯誤回報員，將會讓您可以選擇是否要送出回饋給 { -vendor-short-name }。在送出回饋時，您必須授權 { -vendor-short-name } 使用您所送出的回饋內容以改善其產品、發布回饋內容於其網站，並散佈這些使用者回饋。
+rights-intro-point-4 = 關於我們如何使用您透過 { -brand-short-name } 送出給 { -vendor-short-name } 的個人資訊的方法位於 <a data-l10n-name="mozilla-privacy-policy-link">{ -brand-short-name } 隱私權保護政策</a>。
+rights-intro-point-4-unbranded = 適用此產品的隱私權保護政策應在此處列出。
+rights-intro-point-5 = 一些 { -brand-short-name } 的功能將會用到以網頁為基礎的資訊服務，然而我們無法保證這些資料完全正確。您可以在<a data-l10n-name="mozilla-service-terms-link">服務聲明條款</a>找到更多資訊，包括如何停用這些服務的說明。
+rights-intro-point-5-unbranded = 若此產品包含任何網站資訊服務，適用的服務條款應寫在<a data-l10n-name="mozilla-website-services-link">網站資訊服務</a>章節。
+rights-intro-point-6 = { -brand-short-name } 需要下載某些第三方內容解碼程式才能播放某些格式的視訊內容。
+rights-webservices-header = 以網頁為基礎的 { -brand-full-name } 資訊服務
+rights-webservices2 = { -brand-full-name } 依照下列方式使用以網頁為基礎的資訊（以下簡稱「服務」）以在此二進位版本的 { -brand-short-name } 提供某些功能。如果您不想使用當中一或多個服務或不願意接受以下的服務條款，您可以停用這些功能或服務。停用某種特定功能或服務的方式可以在<a data-l10n-name="mozilla-disable-service-link">這裡</a>找到，其它功能與服務可在應用程式設定中停用。
+rights-locationawarebrowsing = <strong>位置感知瀏覽: </strong>是永遠可選的，在您同意前不會送出任何資訊。如果您想要完全停用這些功能，請依照以下步驟:
+rights-locationawarebrowsing-term-1 = 在網址列輸入 <code>about:config</code>
+rights-locationawarebrowsing-term-2 = 輸入 geo.enabled
+rights-locationawarebrowsing-term-3 = 雙擊 geo.enabled 這個項目
+rights-locationawarebrowsing-term-4 = 位置感知瀏覽就會被停用
+rights-webservices-unbranded = 此產品包含的網站資訊服務，和停用這些服務的方法（若有的話），應該要寫在這裡。
+rights-webservices-term-unbranded = 適用於本產品的網站資訊服務聲明條款應該要寫在這裡。
+rights-webservices-term-1 = { -vendor-short-name } 與其貢獻者、授權者，及伙伴致力於提供最新最準確的服務。然而，我們無法保證此資訊足夠完善且沒有錯誤。舉例，Safe Browsing 服務可能無法偵測出某些有風險的網站，或是錯誤地把安全的網站辨識為有問題的網站；位置感知服務當中由我們的服務提供者所回傳的位置資訊僅為估計值，我們與我們的服務提供者皆不保證回傳的位置資訊的準確度。
+rights-webservices-term-2 = { -vendor-short-name } 保留嗣後自行修改服務內容或是停止相關服務的權利。
+rights-webservices-term-3 = 服務的提供網站透過本聲明授權使用者經由隨附的 { -brand-short-name } 使用這些服務。唯 { -vendor-short-name } 及其授權人保留其他與此服務無直接相關的權利。本網站資訊服務聲明條款，並無意限制任何基於 { -brand-short-name } 所適用的開放源碼授權條款給予軟體使用者的權利，亦不干預 { -brand-short-name } 開放源碼版本依其授權條款所能被進行的利用方式。
+rights-webservices-term-4 = <strong>這些「資訊服務」的內容依其現狀提供。{ -vendor-short-name } 與其貢獻者、授權人、與散布者，並不提供任何明示或隱含的保證，不擔保的範圍包含且不限於「資訊服務」的可用性及其他任何特定目的的使用。這些「資訊服務」的品質與效能沒有擔保，您須自行擔負使用此「資訊服務」可能產生的任何風險。若您所處的司法管轄區域不容許聲明條款預先排除或限制隱含性的保證，那麼本聲明裡關於隱含性保證的預先排除規定便不適用於您。</strong>
+rights-webservices-term-5 = <strong>除非法律要求，{ -vendor-short-name }、它的貢獻者、授權人、與散布者不會對提供程式及「資訊服務」所造成的任何損害擔負責任，免責的範圍包含任何使用 { -brand-short-name } 與此「資訊服務」相關的，非直接的、特別的、偶發的、因果關係式的，以及示範性的懲罰性賠償金。如果法院就具體個案判定提供服務者仍需擔負上述的賠償責任，則各種損害賠償責任的總合須不逾美金五百元。若您所處的司法管轄區域不容許損害賠償責任的預先排除及限制，那麼本聲明裡關於損害賠償金的預先排除及限制規定便不適用於您。</strong>
+rights-webservices-term-6 = { -vendor-short-name } 可在必要時更新聲明條款的內容。已公布聲明條款內容在沒有 { -vendor-short-name } 的書面同意下，任何人不得對其聲明內容進行修改或刪除。
+rights-webservices-term-7 = 本聲明條款的內容適用於美國加利福尼亞州法律，但準據法方面的相關規定除外。若此聲明條款有任何部分為承審司法機構認定無效或是無法執行，其他部分則仍然保持有效。若此正體中文翻譯版本與英文原文版本在解釋上有所疑義，則應以英文原文版本為準。
diff --git a/l10n-zh-TW/mail/messenger/aboutSupportCalendar.ftl b/l10n-zh-TW/mail/messenger/aboutSupportCalendar.ftl
new file mode 100644
index 0000000000..22f8c1bb58
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutSupportCalendar.ftl
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+calendars-title = 行事曆設定
+calendars-table-heading-property = 名稱
+calendars-table-heading-value = 值
+calendars-table-name = 名稱
+calendars-table-type = 類型
+calendars-table-disabled = 停用
+calendars-table-username = 使用者名稱
+calendars-table-uri = 網址
+calendars-table-refreshinterval = 重新整理間隔
+calendars-table-readonly = 唯讀
+calendars-table-suppressalarms = 關閉警示
+calendars-table-cache-enabled = 已開啟快取
+calendars-table-imip-identity = iMIP 身分
+calendars-table-imip-identity-disabled = 已停用 iMIP
+calendars-table-imip-identity-account = iMIP 帳號
+calendars-table-organizerid = 召集人 ID
+calendars-table-forceemailscheduling = 強制郵件排程
+calendars-table-capabilities-alarms-popup-supported = 支援彈出式警示
+calendars-table-capabilities-alarms-oninviations-supported = 支援在收到邀請函時警示
+calendars-table-capabilities-alarms-maxcount = 單一事件的最大警示數量
+calendars-table-capabilities-attachments-supported = 支援附件
+calendars-table-capabilities-categories-maxcount = 最大分類數量
+calendars-table-capabilities-privacy-supported = 支援隱私狀態
+calendars-table-capabilities-priority-supported = 支援優先權
+calendars-table-capabilities-events-supported = 支援事件
+calendars-table-capabilities-tasks-supported = 支援任務
+calendars-table-capabilities-timezones-floating-supported = 支援使用本地時間
+calendars-table-capabilities-timezones-utc-supported = 支援使用 UTC / GMT 時區
+calendars-table-capabilities-autoschedule-supported = 支援自動排程
diff --git a/l10n-zh-TW/mail/messenger/aboutSupportChat.ftl b/l10n-zh-TW/mail/messenger/aboutSupportChat.ftl
new file mode 100644
index 0000000000..aaa21e07eb
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutSupportChat.ftl
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+chat-title = 聊天帳號
+chat-table-heading-account = ID
+chat-table-heading-protocol = 通訊協定
+chat-table-heading-name = 名稱
+chat-table-heading-actions = 動作
+chat-table-copy-debug-log = 複製除錯紀錄
+    .title = 將此聊天帳號發生的錯誤與其他紀錄複製到剪貼簿，可能會包含聊天訊息等個人資訊。
diff --git a/l10n-zh-TW/mail/messenger/aboutSupportMail.ftl b/l10n-zh-TW/mail/messenger/aboutSupportMail.ftl
new file mode 100644
index 0000000000..5498f65745
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/aboutSupportMail.ftl
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+accounts-title = 郵件與新聞帳號
+show-private-data-main-text = 包含帳號名稱
+show-private-data-explanation-text = （可能有可以識別您的資訊）
+accounts-ID = ID
+accounts-name = 名稱
+accounts-incoming-server = 收件伺服器
+accounts-outgoing-servers = 寄件伺服器
+accounts-server-name = 名稱
+accounts-conn-security = 連線安全性
+accounts-auth-method = 驗證方式
+accounts-default = 預設值？
+identity-name = 身份識別
+
+send-via-email = 透過電子郵件寄出
+
+app-basics-telemetry = Telemetry 資料
diff --git a/l10n-zh-TW/mail/messenger/accountCentral.ftl b/l10n-zh-TW/mail/messenger/accountCentral.ftl
new file mode 100644
index 0000000000..5681346808
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/accountCentral.ftl
@@ -0,0 +1,65 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+account-central-title = 歡迎使用 { -brand-full-name }
+account-settings = 帳號設定
+
+#   $accounts (Number) - the number of configured accounts
+setup-title = 選擇要設定哪些帳號
+about-title = 關於 { -brand-full-name }
+resources-title = 資源
+
+release-notes =
+    .title = 關於 { -brand-full-name }
+
+email-label = 電子郵件
+    .aria-label = 連結您現有的電子郵件帳號
+email-description = { -brand-short-name } 讓您可以連結到現有的郵件帳號，簡便而有效率地在程式中收發郵件。
+
+calendar-label = 行事曆
+    .aria-label = 建立新的行事曆
+calendar-description = { -brand-short-name } 讓您可以輕鬆管理行事曆。若連結遠端行事曆，可讓活動資訊同步到您的所有裝置中。
+
+chat-label = 聊天
+    .aria-label = 連線到您的聊天帳號
+chat-description = { -brand-short-name } 讓您可以連結各種平台的多組即時訊息帳號。
+
+filelink-label = 雲端鏈結
+    .aria-label = 設定雲端鏈結
+filelink-description = { -brand-short-name } 讓您可以設定方便使用的雲端鏈結帳號，輕鬆傳送大型附件。
+
+addressbook-label = 通訊錄
+    .aria-label = 建立新通訊錄
+addressbook-description = { -brand-short-name } 讓您可以在單一通訊錄中管理所有聯絡人資訊。您也可以連結遠端通訊錄來同步聯絡人資料。
+
+feeds-label = 消息來源
+    .aria-label = 連結消息來源
+feeds-description = { -brand-short-name } 讓您可以連結 RSS/Atom 消息來源，取得各地的即時資訊與新聞。
+
+newsgroups-label = 新聞群組
+    .aria-label = 連線到新聞群組
+newsgroups-description = { -brand-short-name } 讓您可以連結到任何新聞群組。
+
+import-title = 從另一套程式匯入…
+import-paragraph2 = { -brand-short-name } 讓您可以從其他程式匯入郵件訊息、通訊錄項目、消息來源訂閱、設定以及來自其他郵件程式的篩選規則與常見格式的通訊錄。
+
+import-label = 匯入
+    .aria-label = 匯入其他程式的資料
+
+about-paragraph = Thunderbird 是領先的開放原始碼、跨平台郵件及行事曆軟體，可免費於商業或個人環境使用。我們想要讓這套軟體保持安全，變得更棒！透過捐款，可幫助我們聘請更多工程師、支付軟體主機等基礎費用，並持續改進。
+
+about-paragraph-consider-donation = <b>Thunderbird 是由像您這樣的使用者贊助而成的！若您也喜歡 Thunderbird，請捐款支持我們。</b>能夠確保 Thunderbird 持續發展的最好方式就是<a data-l10n-name="donation-link">捐款給我們</a>。
+
+explore-link = 探索功能
+support-link = 技術支援
+involved-link = 參與我們
+developer-link = 技術文件
+
+read = 讀取郵件
+compose = 發新郵件
+search = 搜尋訊息
+filter = 管理篩選條件
+nntp-subscription = 管理新聞群組訂閱狀況
+rss-subscription = 管理資訊來源訂閱項目
+e2e = 端到端加密
diff --git a/l10n-zh-TW/mail/messenger/accountManager.ftl b/l10n-zh-TW/mail/messenger/accountManager.ftl
new file mode 100644
index 0000000000..fe7fc4319b
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/accountManager.ftl
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+open-preferences-sidebar-button2 = { -brand-short-name } 選項
+
+open-addons-sidebar-button = 附加元件與佈景主題
+
+account-action-add-newsgroup-account =
+    .label = 新增新聞群組帳號…
+    .accesskey = N
+
+server-change-restart-required = 需要重新啟動才能使伺服器名稱或使用者名稱變更生效。
+
+edit-vcard-dialog-accept-button = 儲存
+    .accesskey = S
+edit-vcard-dialog-cancel-button = 取消
+    .accesskey = C
diff --git a/l10n-zh-TW/mail/messenger/accountProvisioner.ftl b/l10n-zh-TW/mail/messenger/accountProvisioner.ftl
new file mode 100644
index 0000000000..733563b4b4
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/accountProvisioner.ftl
@@ -0,0 +1,77 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+account-provisioner-tab-title = 從服務供應商註冊新的信箱
+
+provisioner-searching-icon =
+    .alt = 搜尋中…
+
+account-provisioner-title = 建立新的電子郵件地址
+
+account-provisioner-description = 使用我們可靠的合作業者來註冊一套有隱私又安全的電子郵件信箱。
+
+account-provisioner-start-help = 搜尋詞彙將傳送到 { -vendor-short-name }（<a data-l10n-name="mozilla-privacy-link">隱私權保護政策</a>）及第三方電子郵件服務業者 <strong>mailfence.com</strong>（<a data-l10n-name="mailfence-privacy-link">隱私權保護政策</a>、<a data-l10n-name="mailfence-tou-link">使用條款</a>）及 <strong>gandi.net</strong>（<a data-l10n-name="gandi-privacy-link">隱私權保護政策</a>、<a data-l10n-name="gandi-tou-link">使用條款</a>）來尋找是否有可用的信箱帳號。
+
+account-provisioner-mail-account-title = 購買新的電子郵件地址
+
+account-provisioner-mail-account-description = Thunderbird 與 <a data-l10n-name="mailfence-home-link">Mailfence</a> 合作，可提供您一套全新，有隱私又安全的電子郵件服務。我們相信，每個人都該使用安全的電子郵件信箱服務。
+
+account-provisioner-domain-title = 購買您自己的信箱地址與網域名稱
+
+account-provisioner-domain-description = Thunderbird 與 <a data-l10n-name="gandi-home-link">Gandi</a> 合作，提供您自訂的網域名稱，您可以使用該網域建立任何信箱帳號。
+
+## Forms
+
+account-provisioner-mail-input =
+    .placeholder = 您的名字、暱稱或其他搜尋關鍵字
+
+account-provisioner-domain-input =
+    .placeholder = 您的名字、暱稱或其他搜尋關鍵字
+
+account-provisioner-search-button = 搜尋
+
+account-provisioner-button-cancel = 取消
+
+account-provisioner-button-existing = 使用現有的郵件帳號
+
+account-provisioner-button-back = 回上一頁
+
+## Notifications
+
+account-provisioner-fetching-provisioners = 正在向供應商搜尋…
+
+account-provisioner-connection-issues = 無法與我們的註冊伺服器聯繫，請檢查您的網路連線是否正常。
+
+account-provisioner-searching-email = 正在搜尋可用的郵件帳號…
+
+account-provisioner-searching-domain = 正在搜尋可用的網域名稱…
+
+account-provisioner-searching-error = 找不到可建議您使用的帳號，請嘗試改用其他搜尋關鍵字。
+
+## Illustrations
+
+account-provisioner-step1-image =
+    .title = 選擇要建立的帳號
+
+## Search results
+
+# Variables:
+# $count (Number) - The number of domains found during search.
+account-provisioner-results-title =
+    { $count ->
+       *[other] 找到 { $count } 個網域名稱:
+    }
+
+account-provisioner-mail-results-caption = 您可以試者搜尋其他暱稱或詞彙來尋找更多郵件帳號。
+
+account-provisioner-domain-results-caption = 您可以試者搜尋其他暱稱或詞彙來尋找更多網域名稱。
+
+account-provisioner-free-account = 免費
+
+account-provision-price-per-year = 每年 { $price }
+
+account-provisioner-all-results-button = 顯示所有結果
+
+account-provisioner-open-in-tab-img =
+    .title = 用新分頁開啟
diff --git a/l10n-zh-TW/mail/messenger/accountcreation/accountHub.ftl b/l10n-zh-TW/mail/messenger/accountcreation/accountHub.ftl
new file mode 100644
index 0000000000..dcef338c05
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/accountcreation/accountHub.ftl
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Header
+
+account-hub-brand = { -brand-full-name }
+account-hub-welcome-line = 歡迎使用 <span data-l10n-name="brand-name">{ -brand-full-name }</span>
+account-hub-title = 帳號中心
+
+## Footer
+
+account-hub-release-notes = 發行公告
+account-hub-support = 技術支援
+account-hub-donate = 捐款
diff --git a/l10n-zh-TW/mail/messenger/accountcreation/accountSetup.ftl b/l10n-zh-TW/mail/messenger/accountcreation/accountSetup.ftl
new file mode 100644
index 0000000000..80daab08c5
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/accountcreation/accountSetup.ftl
@@ -0,0 +1,427 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+account-setup-tab-title = 帳號設定
+
+## Header
+
+account-setup-title = 設定現有的電子郵件地址
+
+account-setup-description =
+    若要使用您目前的電子郵件地址，請填寫該帳號的登入資訊。<br/>
+    { -brand-product-name } 將會自動尋找可用並建議使用的伺服器設定。
+
+account-setup-secondary-description = { -brand-product-name } 將自動搜尋建議使用的伺服器設定。
+
+account-setup-success-title = 成功建立帳號！
+
+account-setup-success-description = 您可以在 { -brand-short-name } 使用此帳號了。
+
+account-setup-success-secondary-description = 您可以連結相關服務並設定帳號進階選項來加強使用體驗。
+
+## Form fields
+
+account-setup-name-label = 您的全名
+    .accesskey = h
+
+# Note: "John Doe" is a multiple-use name that is used when the true name of a person is unknown. We use this fake name as an input placeholder. Translators should update this to reflect the placeholder name of their language/country.
+account-setup-name-input =
+    .placeholder = 王小明
+
+account-setup-name-info-icon =
+    .title = 您的名字，用於顯示在您的郵件上
+
+
+account-setup-name-warning-icon =
+    .title = 請輸入您的大名
+
+account-setup-email-label = 電子郵件地址
+    .accesskey = E
+
+account-setup-email-input =
+    .placeholder = aming_wang@example.com.tw
+
+account-setup-email-info-icon =
+    .title = 您目前的電子郵件地址
+
+account-setup-email-warning-icon =
+    .title = 電子郵件地址無效
+
+account-setup-password-label = 密碼
+    .accesskey = P
+    .title = 非必填，只用來驗證使用者名稱是否正確
+
+account-provisioner-button = 註冊新的電子郵件地址
+    .accesskey = G
+
+account-setup-password-toggle-show =
+    .title = 顯示密碼明碼
+
+account-setup-password-toggle-hide =
+    .title = 隱藏密碼
+
+account-setup-remember-password = 記住密碼
+    .accesskey = m
+
+account-setup-exchange-label = 您的登入資訊
+    .accesskey = l
+
+#   YOURDOMAIN refers to the Windows domain in ActiveDirectory. yourusername refers to the user's account name in Windows.
+account-setup-exchange-input =
+    .placeholder = YOURDOMAIN\yourusername
+
+#   Domain refers to the Windows domain in ActiveDirectory. We mean the user's login in Windows at the local corporate network.
+account-setup-exchange-info-icon =
+    .title = 登入網域
+
+## Action buttons
+
+account-setup-button-cancel = 取消
+    .accesskey = a
+
+account-setup-button-manual-config = 手動設定
+    .accesskey = m
+
+account-setup-button-stop = 停止
+    .accesskey = S
+
+account-setup-button-retest = 重新測試
+    .accesskey = t
+
+account-setup-button-continue = 繼續
+    .accesskey = C
+
+account-setup-button-done = 完成
+    .accesskey = D
+
+## Notifications
+
+account-setup-looking-up-settings = 正在尋找設定…
+
+account-setup-looking-up-settings-guess = 正在尋找設定: 嘗試使用常用的伺服器名稱…
+
+account-setup-looking-up-settings-half-manual = 正在尋找設定: 偵測伺服器…
+
+account-setup-looking-up-disk = 正在尋找設定: { -brand-short-name } 安裝…
+
+account-setup-looking-up-isp = 正在尋找設定: 電子郵件服務供應商…
+
+# Note: Do not translate or replace Mozilla. It stands for the public project mozilla.org, not Mozilla Corporation. The database is a generic, public domain facility usable by any client.
+account-setup-looking-up-db = 正在尋找設定: Mozilla ISP 資料庫…
+
+account-setup-looking-up-mx = 正在尋找設定: 收件郵件網域…
+
+account-setup-looking-up-exchange = 正在尋找設定: Exchange 伺服器…
+
+account-setup-checking-password = 正在檢查密碼…
+
+account-setup-installing-addon = 正在下載安裝附加元件…
+
+account-setup-success-half-manual = 偵測指定的伺服器後，找到下列設定:
+
+account-setup-success-guess = 嘗試使用常用的伺服器名稱後，找到設定。
+
+account-setup-success-guess-offline = 您目前離線。我們猜了一下，但您還是需要輸入正確的設定。
+
+account-setup-success-password = 密碼正確
+
+account-setup-success-addon = 已成功安裝附加元件
+
+# Note: Do not translate or replace Mozilla. It stands for the public project mozilla.org, not Mozilla Corporation. The database is a generic, public domain facility usable by any client.
+account-setup-success-settings-db = 從 Mozilla ISP 資料庫找到設定
+
+account-setup-success-settings-disk = 在 { -brand-short-name } 安裝找到設定。
+
+account-setup-success-settings-isp = 從電子郵件服務供應商找到設定。
+
+# Note: Microsoft Exchange is a product name.
+account-setup-success-settings-exchange = 找到 Microsoft Exchange 伺服器的設定。
+
+## Illustrations
+
+account-setup-step1-image =
+    .title = 初始設定
+
+account-setup-step2-image =
+    .title = 載入中…
+
+account-setup-step3-image =
+    .title = 找到設定
+
+account-setup-step4-image =
+    .title = 連線錯誤
+
+account-setup-step5-image =
+    .title = 已建立帳號
+
+account-setup-privacy-footnote2 = 您的登入資訊只會儲存在您的本機電腦上。
+
+account-setup-selection-help = 不確定要怎麼選？
+
+account-setup-selection-error = 需要幫忙嗎？
+
+account-setup-success-help = 不確定接下來要做什麼嗎？
+
+account-setup-documentation-help = 設定文件
+
+account-setup-forum-help = 技術支援討論區
+
+account-setup-privacy-help = 隱私權保護政策
+
+account-setup-getting-started = 開始使用
+
+## Results area
+
+# Variables:
+#  $count (Number) - Number of available protocols.
+account-setup-results-area-title =
+    { $count ->
+       *[other] 可用設定
+    }
+
+account-setup-result-imap-description = 與您的伺服器同步信件匣與郵件
+
+account-setup-result-pop-description = 將您伺服器上的信件匣與郵件下載到電腦上
+
+# Note: Exchange, Office365 are the name of products.
+account-setup-result-exchange2-description = 使用 Microsoft Exchange 伺服器或 Office365 雲端服務
+
+account-setup-incoming-title = 收件
+
+account-setup-outgoing-title = 寄件
+
+account-setup-username-title = 使用者名稱
+
+account-setup-exchange-title = 伺服器
+
+account-setup-result-no-encryption = 無加密
+
+account-setup-result-ssl = SSL/TLS
+
+account-setup-result-starttls = STARTTLS
+
+account-setup-result-outgoing-existing = 使用已存在的 SMTP 寄件伺服器
+
+# Variables:
+#  $incoming (String): The email/username used to log into the incoming server
+#  $outgoing (String): The email/username used to log into the outgoing server
+account-setup-result-username-different = 收件: { $incoming }，寄件: { $outgoing }
+
+## Error messages
+
+# Note: The reference to "janedoe" (Jane Doe) is the name of an example person. You will want to translate it to whatever example persons would be named in your language. In the example, AD is the name of the Windows domain, and this should usually not be translated.
+account-setup-credentials-incomplete = 驗證失敗。可能是輸入的登入資訊不正確，或需要使用另一個使用者名稱來登入。這個使用者名稱通常會是您的 Windows 網域登入帳號，可能包含或不包含網域名稱（例如 aming_wang 或 AD\\aming_wang）
+
+account-setup-credentials-wrong = 驗證失敗，請檢查輸入的使用者名稱與密碼是否正確
+
+account-setup-find-settings-failed = { -brand-short-name } 找不到您適用的郵件帳號設定
+
+account-setup-exchange-config-unverifiable = 無法確認設定方式。若您確定已經輸入正確使用者名稱與密碼的話，可能是伺服器管理員針對您的帳號停用了選擇的設定方式，請試著改用另一種通訊協定。
+
+account-setup-provisioner-error = 使用 { -brand-short-name } 設定您的新帳號時發生錯誤，請嘗試使用您的帳號密碼手動設定帳號。
+
+## Manual configuration area
+
+account-setup-manual-config-title = 伺服器設定
+
+account-setup-incoming-server-legend = 收件伺服器
+
+account-setup-protocol-label = 通訊協定:
+
+account-setup-hostname-label = 主機名稱:
+
+account-setup-port-label = Port:
+    .title = 輸入 0 即可進行自動偵測
+
+account-setup-auto-description = { -brand-short-name } 將嘗試自動偵測留白的欄位。
+
+account-setup-ssl-label = 連線安全性:
+
+account-setup-outgoing-server-legend = 寄件伺服器
+
+## Incoming/Outgoing SSL Authentication options
+
+ssl-autodetect-option = 自動偵測
+
+ssl-no-authentication-option = 不認證
+
+ssl-cleartext-password-option = 普通密碼
+
+ssl-encrypted-password-option = 加密過的密碼
+
+## Incoming/Outgoing SSL options
+
+ssl-noencryption-option = 無
+
+account-setup-auth-label = 驗證方式:
+
+account-setup-username-label = 使用者名稱:
+
+account-setup-advanced-setup-button = 進階設定
+    .accesskey = A
+
+## Warning insecure server dialog
+
+account-setup-insecure-title = 警告！
+
+account-setup-insecure-incoming-title = 收件設定:
+
+account-setup-insecure-outgoing-title = 寄件設定:
+
+# Variables:
+#  $server (String): The name of the hostname of the server the user was trying to connect to.
+account-setup-warning-cleartext = <b>{ $server }</b> 未加密連線。
+
+account-setup-warning-cleartext-details = 不安全的郵件伺服器並不會透過加密連線來保護您的密碼和隱私資料。連線到這個伺服器很可能讓您的密碼以及隱私資料曝光。
+
+account-setup-insecure-server-checkbox = 我了解風險
+    .accesskey = u
+
+account-setup-insecure-description = { -brand-short-name } 可讓您使用剛輸入的設定值來收信。但您仍應連絡系統管理員或電子郵件業者，確認是否有正確的連線參數可用。若需更多資訊，請參考 <a data-l10n-name="thunderbird-faq-link">Thunderbird 常見問題</a>。
+
+insecure-dialog-cancel-button = 變更設定
+    .accesskey = S
+
+insecure-dialog-confirm-button = 確認
+    .accesskey = C
+
+## Warning Exchange confirmation dialog
+
+# Variables:
+#  $domain (String): The name of the server where the configuration was found, e.g. rackspace.com.
+exchange-dialog-question = { -brand-short-name } 找到您在 { $domain } 的帳號設定資訊。您想要繼續並送出登入資訊嗎？
+
+exchange-dialog-confirm-button = 登入
+
+exchange-dialog-cancel-button = 取消
+
+## Dismiss account creation dialog
+
+exit-dialog-title = 未設定電子郵件帳號
+
+exit-dialog-description = 您確定要取消設定過程嗎？不設定郵件帳號還是可以使用 { -brand-short-name }，但無法提供許多功能。
+
+account-setup-no-account-checkbox = 不設定電子郵件帳號，繼續使用 { -brand-short-name }
+    .accesskey = U
+
+exit-dialog-cancel-button = 繼續設定
+    .accesskey = C
+
+exit-dialog-confirm-button = 結束設定
+    .accesskey = E
+
+## Alert dialogs
+
+account-setup-creation-error-title = 建立帳號時發生錯誤
+
+account-setup-error-server-exists = 收件伺服器已存在。
+
+account-setup-confirm-advanced-title = 確認進階設定
+
+account-setup-confirm-advanced-description = 此對話框將關閉，就算設定內容不正確也會使用目前設定來建立帳號。您確定要繼續嗎？
+
+## Addon installation section
+
+account-setup-addon-install-title = 安裝
+
+account-setup-addon-install-intro = 安裝第三方附加元件後，可讓您存取此伺服器上的郵件帳號:
+
+account-setup-addon-no-protocol = 此郵件伺服器不支援開放式通訊協定。{ account-setup-addon-install-intro }
+
+## Success view
+
+account-setup-settings-button = 帳號設定
+
+account-setup-encryption-button = 端到端加密
+
+account-setup-signature-button = 加入簽章
+
+account-setup-dictionaries-button = 下載字典套件
+
+account-setup-address-book-carddav-button = 連結 CardDAV 通訊錄
+
+account-setup-address-book-ldap-button = 連結 LDAP 通訊錄
+
+account-setup-calendar-button = 連結遠端行事曆
+
+account-setup-linked-services-title = 連結您的線上服務
+
+account-setup-linked-services-description = { -brand-short-name } 偵測到您的郵件帳號可連結其他服務。
+
+account-setup-no-linked-description = 設定其他服務，讓您可充分使用 { -brand-short-name } 的相關功能。
+
+# Variables:
+# $count (Number) - The number of address books found during autoconfig.
+account-setup-found-address-books-description =
+    { $count ->
+        [one] { -brand-short-name } 偵測到有一本通訊錄與您的電子郵件帳號連結。
+       *[other] { -brand-short-name } 偵測到有 { $count } 本通訊錄與您的電子郵件帳號連結。
+    }
+
+# Variables:
+# $count (Number) - The number of calendars found during autoconfig.
+account-setup-found-calendars-description =
+    { $count ->
+        [one] { -brand-short-name } 偵測到有一份行事曆與您的電子郵件帳號連結。
+       *[other] { -brand-short-name } 偵測到有 { $count } 份行事曆與您的電子郵件帳號連結。
+    }
+
+account-setup-button-finish = 完成
+    .accesskey = F
+
+account-setup-looking-up-address-books = 正在尋找通訊錄…
+
+account-setup-looking-up-calendars = 正在尋找行事曆…
+
+account-setup-address-books-button = 通訊錄
+
+account-setup-calendars-button = 行事曆
+
+account-setup-connect-link = 連結
+
+account-setup-existing-address-book = 已連結
+    .title = 已經連結該通訊錄
+
+account-setup-existing-calendar = 已連結
+    .title = 已經連結該行事曆
+
+account-setup-connect-all-calendars = 連結所有行事曆
+
+account-setup-connect-all-address-books = 連結所有通訊錄
+
+## Calendar synchronization dialog
+
+calendar-dialog-title = 連結行事曆
+
+calendar-dialog-cancel-button = 取消
+    .accesskey = C
+
+calendar-dialog-confirm-button = 連結
+    .accesskey = n
+
+account-setup-calendar-name-label = 名稱
+
+account-setup-calendar-name-input =
+    .placeholder = 我的行事曆
+
+account-setup-calendar-color-label = 色彩
+
+account-setup-calendar-refresh-label = 重新整理
+
+account-setup-calendar-refresh-manual = 手動
+
+account-setup-calendar-refresh-interval =
+    { $count ->
+        [one] 每分鐘
+       *[other] 每 { $count } 分鐘
+    }
+
+account-setup-calendar-read-only = 唯讀
+    .accesskey = R
+
+account-setup-calendar-show-reminders = 顯示提醒
+    .accesskey = S
+
+account-setup-calendar-offline-support = 離線支援
+    .accesskey = O
diff --git a/l10n-zh-TW/mail/messenger/addressbook/abCardDAVDialog.ftl b/l10n-zh-TW/mail/messenger/addressbook/abCardDAVDialog.ftl
new file mode 100644
index 0000000000..0a69ce2cca
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/addressbook/abCardDAVDialog.ftl
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+carddav-window-title = 新增 CardDAV 通訊錄
+
+carddav-dialog =
+    .buttonlabelaccept = 繼續
+    .buttonaccesskeyaccept = C
+
+carddav-username-label =
+    .value = 使用者名稱:
+    .accesskey = U
+carddav-location-label =
+    .value = 位置:
+    .accesskey = L
+carddav-location =
+    .default-placeholder = 通訊錄伺服器的網址或主機名稱
+
+carddav-loading = 正在尋找設定…
+carddav-known-incompatible = { $url } 與 { -brand-short-name } 不相容。
+carddav-connection-error = 連線失敗。
+carddav-none-found = 找不到指定帳號中可以新增的通訊錄。
+carddav-already-added = 已新增指定帳號的所有通訊錄。
+
+carddav-available-books = 可用的通訊錄:
diff --git a/l10n-zh-TW/mail/messenger/addressbook/abCardDAVProperties.ftl b/l10n-zh-TW/mail/messenger/addressbook/abCardDAVProperties.ftl
new file mode 100644
index 0000000000..006eb94a44
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/addressbook/abCardDAVProperties.ftl
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+carddav-url-label =
+    .value = CardDAV 網址:
+    .accesskey = V
+
+carddav-refreshinterval-label =
+    .label = 同步:
+    .accesskey = S
+
+# Variables:
+#   $minutes (integer) - Number of minutes between address book synchronizations
+carddav-refreshinterval-minutes-value =
+    .label =
+        { $minutes ->
+            [one] 每分鐘
+           *[other] 每 { $minutes } 分鐘
+        }
+
+# Variables:
+#   $hours (integer) - Number of hours between address book synchronizations
+carddav-refreshinterval-hours-value =
+    .label =
+        { $hours ->
+            [one] 每小時
+           *[other] 每 { $hours } 小時
+        }
+
+carddav-readonly-label =
+    .label = 唯讀
+    .accesskey = R
diff --git a/l10n-zh-TW/mail/messenger/addressbook/aboutAddressBook.ftl b/l10n-zh-TW/mail/messenger/addressbook/aboutAddressBook.ftl
new file mode 100644
index 0000000000..53922ad0e9
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/addressbook/aboutAddressBook.ftl
@@ -0,0 +1,244 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+about-addressbook-title = 通訊錄
+
+## Toolbar
+
+about-addressbook-toolbar-new-address-book =
+    .label = 新增通訊錄
+about-addressbook-toolbar-add-carddav-address-book =
+    .label = 新增 CardDAV 通訊錄
+about-addressbook-toolbar-add-ldap-address-book =
+    .label = 新增 LDAP 通訊錄
+about-addressbook-toolbar-new-contact =
+    .label = 新增連絡人
+about-addressbook-toolbar-new-list =
+    .label = 新增群組名單
+about-addressbook-toolbar-import =
+    .label = 匯入
+
+## Books
+
+all-address-books-row =
+    .title = 所有通訊錄
+all-address-books = 所有通訊錄
+# Variables:
+# $name (String) - The name of the selected book/list.
+# $count (Number) - The number of contacts in the selected book/list.
+about-addressbook-card-count = { $name } 的聯絡人總數: { $count }
+# Variables:
+# $count (Number) - The number of contacts in all address books.
+about-addressbook-card-count-all = 所有通訊錄的聯絡人總數: { $count }
+about-addressbook-books-context-properties =
+    .label = 屬性
+about-addressbook-books-context-edit-list =
+    .label = 編輯清單
+about-addressbook-books-context-synchronize =
+    .label = 同步
+about-addressbook-books-context-edit =
+    .label = 編輯
+about-addressbook-books-context-print =
+    .label = 列印…
+about-addressbook-books-context-export =
+    .label = 匯出…
+about-addressbook-books-context-delete =
+    .label = 刪除
+about-addressbook-books-context-remove =
+    .label = 移除
+about-addressbook-books-context-startup-default =
+    .label = 預設啟動目錄
+about-addressbook-confirm-delete-book-title = 刪除通訊錄
+# Variables:
+# $name (String) - Name of the address book to be deleted.
+about-addressbook-confirm-delete-book = 您確定要刪除 { $name } 及當中的所有聯絡人嗎？
+about-addressbook-confirm-remove-remote-book-title = 移除通訊錄
+# Variables:
+# $name (String) - Name of the remote address book to be removed.
+about-addressbook-confirm-remove-remote-book = 您確定要刪除 { $name } 嗎？
+
+## Cards
+
+# Variables:
+# $name (String) - Name of the address book that will be searched.
+about-addressbook-search =
+    .placeholder = 搜尋 { $name }
+about-addressbook-search-all =
+    .placeholder = 搜尋所有通訊錄
+about-addressbook-sort-button2 =
+    .title = 清單顯示選項
+about-addressbook-name-format-display =
+    .label = 顯示名稱
+about-addressbook-name-format-firstlast =
+    .label = [名] [姓]（英式）
+about-addressbook-name-format-lastfirst =
+    .label = [姓][名]（中式）
+about-addressbook-sort-name-ascending =
+    .label = 依照名稱排序（升冪）
+about-addressbook-sort-name-descending =
+    .label = 依照名稱排序（降冪）
+about-addressbook-sort-email-ascending =
+    .label = 依照電子郵件地址排序（升冪）
+about-addressbook-sort-email-descending =
+    .label = 依照電子郵件地址排序（降冪）
+about-addressbook-horizontal-layout =
+    .label = 切換為水平版面配置
+about-addressbook-vertical-layout =
+    .label = 切換為垂直版面配置
+about-addressbook-table-layout =
+    .label = 表格顯示
+
+## Card column headers
+## Each string is listed here twice, and the values should match.
+
+about-addressbook-column-header-generatedname = 姓名
+about-addressbook-column-label-generatedname =
+    .label = { about-addressbook-column-header-generatedname }
+about-addressbook-column-header-emailaddresses = 電子郵件地址
+about-addressbook-column-label-emailaddresses =
+    .label = { about-addressbook-column-header-emailaddresses }
+about-addressbook-column-header-nickname = 暱稱
+about-addressbook-column-label-nickname =
+    .label = { about-addressbook-column-header-nickname }
+about-addressbook-column-header-phonenumbers = 電話號碼
+about-addressbook-column-label-phonenumbers =
+    .label = { about-addressbook-column-header-phonenumbers }
+about-addressbook-column-header-addresses = 地址
+about-addressbook-column-label-addresses =
+    .label = { about-addressbook-column-header-addresses }
+about-addressbook-column-header-title = 頭銜
+about-addressbook-column-label-title =
+    .label = { about-addressbook-column-header-title }
+about-addressbook-column-header-department = 部門
+about-addressbook-column-label-department =
+    .label = { about-addressbook-column-header-department }
+about-addressbook-column-header-organization = 公司
+about-addressbook-column-label-organization =
+    .label = { about-addressbook-column-header-organization }
+about-addressbook-column-header-addrbook = 通訊錄
+about-addressbook-column-label-addrbook =
+    .label = { about-addressbook-column-header-addrbook }
+about-addressbook-cards-context-write =
+    .label = 寫信
+about-addressbook-confirm-delete-mixed-title = 刪除通訊錄與群組
+# Variables:
+# $count (Number) - The number of contacts and lists to be deleted. Always greater than 1.
+about-addressbook-confirm-delete-mixed = 您確定要刪除這 { $count } 位聯絡人與群組？
+# Variables:
+# $count (Number) - The number of lists to be deleted.
+about-addressbook-confirm-delete-lists-title =
+    { $count ->
+       *[other] 刪除群組
+    }
+# Variables:
+# $count (Number) - The number of lists to be deleted.
+# $name (String) - The name of the list to be deleted, if $count is 1.
+about-addressbook-confirm-delete-lists =
+    { $count ->
+        [one] 您確定要刪除 { $name } 群組嗎？
+       *[other] 您確定要刪除這 { $count } 個群組嗎？
+    }
+# Variables:
+# $count (Number) - The number of contacts to be removed.
+about-addressbook-confirm-remove-contacts-title =
+    { $count ->
+       *[other] 移除聯絡人
+    }
+# Variables:
+# $count (Number) - The number of contacts to be removed.
+# $name (String) - The name of the contact to be removed, if $count is 1.
+# $list (String) - The name of the list that contacts will be removed from.
+about-addressbook-confirm-remove-contacts =
+    { $count ->
+        [one] 您確定要從 { $list } 刪除聯絡人 { $name } 嗎？
+       *[other] 您確定要從 { $list } 清單刪除 { $count } 位聯絡人嗎？
+    }
+# Variables:
+# $count (Number) - The number of contacts to be deleted.
+about-addressbook-confirm-delete-contacts-title =
+    { $count ->
+       *[other] 刪除聯絡人
+    }
+# Variables:
+# $count (Number) - The number of contacts to be deleted.
+# $name (String) - The name of the contact to be deleted, if $count is 1.
+about-addressbook-confirm-delete-contacts =
+    { $count ->
+        [one] 您確定要刪除聯絡人 { $name } 嗎？
+       *[other] 您確定要刪除下列 { $count } 位聯絡人嗎？
+    }
+
+## Card list placeholder
+## Shown when there are no cards in the list
+
+about-addressbook-placeholder-empty-book = 無聯絡人
+about-addressbook-placeholder-new-contact = 新增聯絡人
+about-addressbook-placeholder-search-only = 進行搜尋後才會顯示此通訊錄的聯絡人
+about-addressbook-placeholder-searching = 搜尋中…
+about-addressbook-placeholder-no-search-results = 找不到聯絡人
+
+## Details
+
+# Variables:
+# $count (Number) - The number of selected items (will never be fewer than two)
+about-addressbook-selection-mixed-header = { $count } 個選擇的聯絡人與清單
+# Variables:
+# $count (Number) - The number of selected contacts
+about-addressbook-selection-contacts-header = { $count } 位選擇的聯絡人
+# Variables:
+# $count (Number) - The number of selected lists
+about-addressbook-selection-lists-header = { $count } 個選擇的清單
+about-addressbook-details-edit-photo =
+    .title = 編輯連絡人相片
+about-addressbook-new-contact-header = 新連絡人
+about-addressbook-prefer-display-name = 在郵件檔頭上方顯示姓名
+about-addressbook-write-action-button = 寫信
+about-addressbook-event-action-button = 事件
+about-addressbook-search-action-button = 搜尋
+about-addressbook-new-list-action-button = 新增群組名單
+about-addressbook-begin-edit-contact-button = 編輯
+about-addressbook-delete-edit-contact-button = 刪除
+about-addressbook-cancel-edit-contact-button = 取消
+about-addressbook-save-edit-contact-button = 儲存
+about-addressbook-add-contact-to = 新增到:
+about-addressbook-details-email-addresses-header = 電子郵件地址
+about-addressbook-details-phone-numbers-header = 電話號碼
+about-addressbook-details-addresses-header = 通訊錄
+about-addressbook-details-notes-header = 附註
+about-addressbook-details-impp-header = 即時訊息
+about-addressbook-details-websites-header = 網站
+about-addressbook-details-other-info-header = 其他資訊
+about-addressbook-entry-type-work = 商務
+about-addressbook-entry-type-home = 住家
+about-addressbook-entry-type-fax = 傳真
+# Or "Mobile"
+about-addressbook-entry-type-cell = 手機
+about-addressbook-entry-type-pager = 呼叫器
+about-addressbook-entry-name-birthday = 生日
+about-addressbook-entry-name-anniversary = 週年紀念日
+about-addressbook-entry-name-title = 頭銜
+about-addressbook-entry-name-role = 角色
+about-addressbook-entry-name-organization = 公司
+about-addressbook-entry-name-website = 網站
+about-addressbook-entry-name-time-zone = 時區
+about-addressbook-entry-name-custom1 = 自訂 1
+about-addressbook-entry-name-custom2 = 自訂 2
+about-addressbook-entry-name-custom3 = 自訂 3
+about-addressbook-entry-name-custom4 = 自訂 4
+about-addressbook-unsaved-changes-prompt-title = 未儲存修改
+about-addressbook-unsaved-changes-prompt = 您想要在離開編輯畫面前儲存變更嗎？
+
+# Photo dialog
+
+about-addressbook-photo-drop-target = 將照片放到或貼到此處，或點擊此處選擇檔案。
+about-addressbook-photo-drop-loading = 正在載入照片…
+about-addressbook-photo-drop-error = 照片載入失敗。
+about-addressbook-photo-filepicker-title = 選擇圖檔
+about-addressbook-photo-discard = 捨棄現有照片
+about-addressbook-photo-cancel = 取消
+about-addressbook-photo-save = 儲存
+
+# Keyboard shortcuts
+
+about-addressbook-new-contact-key = N
diff --git a/l10n-zh-TW/mail/messenger/addressbook/fieldMapImport.ftl b/l10n-zh-TW/mail/messenger/addressbook/fieldMapImport.ftl
new file mode 100644
index 0000000000..4ca29fc4d7
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/addressbook/fieldMapImport.ftl
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import-ab-csv-dialog-title = 從純文字檔案匯入通訊錄
+
+#   $recordNumber (Number) - The current record number of the preview data.
+import-ab-csv-preview-record-number = 第 { $recordNumber } 筆資料的匯入預覽
+
+import-ab-csv-dialog =
+    .buttonlabelaccept = 匯入
+    .buttonaccesskeyaccept = I
diff --git a/l10n-zh-TW/mail/messenger/addressbook/vcard.ftl b/l10n-zh-TW/mail/messenger/addressbook/vcard.ftl
new file mode 100644
index 0000000000..9d953c19f6
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/addressbook/vcard.ftl
@@ -0,0 +1,193 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+# Display Name
+
+vcard-displayname = 顯示名稱
+
+vcard-displayname-placeholder =
+    .placeholder = { vcard-displayname }
+
+# Type selection
+
+vcard-entry-type-label = 類型
+
+vcard-entry-type-home = 住家
+
+vcard-entry-type-work = 商務
+
+vcard-entry-type-none = 無
+
+vcard-entry-type-custom = 自訂
+
+# N vCard field
+
+vcard-name-header = 姓名
+
+vcard-n-prefix = 前綴
+
+vcard-n-add-prefix =
+    .title = 新增前綴
+
+vcard-n-firstname = 名字
+
+vcard-n-add-firstname =
+    .title = 新增名字
+
+vcard-n-middlename = 中間名
+
+vcard-n-add-middlename =
+    .title = 新增中間名
+
+vcard-n-lastname = 姓氏
+
+vcard-n-add-lastname =
+    .title = 新增姓氏
+
+vcard-n-suffix = 後綴
+
+vcard-n-add-suffix =
+    .title = 新增後綴
+
+# Nickname
+
+vcard-nickname = 暱稱
+
+# Email vCard field
+
+vcard-email-header = 電子郵件地址
+
+vcard-email-add = 新增電子郵件地址
+
+vcard-email-label = 電子郵件地址
+
+vcard-primary-email-label = 預設
+
+# URL vCard field
+
+vcard-url-header = 網站
+
+vcard-url-add = 新增網站
+
+vcard-url-label = 網站
+
+# Tel vCard field
+
+vcard-tel-header = 電話號碼
+
+vcard-tel-add = 新增電話號碼
+
+vcard-tel-label = 電話號碼
+
+# Or "Mobile"
+vcard-entry-type-cell = 手機
+
+vcard-entry-type-fax = 傳真
+
+vcard-entry-type-pager = 呼叫器
+
+# TZ vCard field
+
+vcard-tz-header = 時區
+
+vcard-tz-add = 新增時區
+
+# IMPP vCard field
+
+vcard-impp2-header = 即時訊息
+
+vcard-impp-add = 新增聊天帳號
+
+vcard-impp-label = 聊天帳號
+
+vcard-impp-select = 通訊協定
+vcard-impp-option-other = 其他
+
+vcard-impp-input-label = 網址
+vcard-impp-input-title = 即時訊息網址
+
+# BDAY and ANNIVERSARY vCard field
+
+vcard-bday-anniversary-header = 特殊日期
+
+vcard-bday-anniversary-add = 新增特殊日期
+
+vcard-bday-label = 生日
+
+vcard-anniversary-label = 週年紀念日
+
+vcard-date-day = 日
+
+vcard-date-month = 月
+
+vcard-date-year = 年
+
+# ADR vCard field
+
+vcard-adr-header = 地址
+
+vcard-adr-add = 新增地址
+
+vcard-adr-label = 地址
+
+vcard-adr-delivery-label = 郵件標籤
+
+vcard-adr-street = 街道地址
+
+# Or "Locality"
+vcard-adr-locality = 城市
+
+# Or "Region"
+vcard-adr-region = 縣／市
+
+# The term "ZIP code" only applies in USA. Most locales should use "Postal code" only.
+vcard-adr-code = 郵遞區號
+
+vcard-adr-country = 國家
+
+# NOTE vCard field
+
+vcard-note-header = 附註
+
+vcard-note-add = 加入附註
+
+# TITLE, ROLE and ORGANIZATION vCard fields
+
+vcard-org-header = 組織單位資訊
+
+vcard-org-add = 加入組織單位資訊
+
+vcard-org-title = 頭銜
+
+vcard-org-title-input =
+    .title = 職位或工作
+    .placeholder = 工作頭銜
+
+vcard-org-role = 角色
+
+vcard-org-role-input =
+    .title = 特定狀態中的職位或扮演的角色
+    .placeholder = 專案角色
+
+vcard-org-org = 組織單位資訊
+
+vcard-org-org-input =
+    .title = 單位名稱
+    .placeholder = 公司名稱
+vcard-org-org-unit = 部門
+vcard-org-org-unit-input =
+    .title = 組織單位名稱
+    .placeholder = 部門
+
+# Custom properties
+
+vcard-custom-header = 自訂屬性
+
+vcard-custom-add = 新增自訂屬性
+
+vcard-remove-button-title =
+    .title = 移除
+
+vcard-remove-button = 移除
diff --git a/l10n-zh-TW/mail/messenger/appmenu.ftl b/l10n-zh-TW/mail/messenger/appmenu.ftl
new file mode 100644
index 0000000000..1e5efaa612
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/appmenu.ftl
@@ -0,0 +1,208 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Sync
+
+appmenu-sync-panel-title =
+    .title = Sync
+appmenu-signin-panel =
+    .label = 登入至 Sync
+    .accesskey = i
+appmenu-sync-sync =
+    .value = 帳號同步
+    .accesskey = A
+appmenu-sync-manage =
+    .value = 管理帳號
+    .accesskey = M
+appmenu-sync-account =
+    .value = example@example.com
+appmenu-sync-now =
+    .label = 立刻同步
+    .accesskey = N
+appmenu-sync-settings =
+    .label = 同步設定
+    .accesskey = S
+appmenu-sync-sign-out =
+    .label = 登出…
+    .accesskey = O
+
+## New Account
+
+appmenu-new-account-panel-title =
+    .title = 新增帳號
+appmenu-new-account-panel =
+    .label = 新增帳號
+    .accesskey = N
+appmenu-create-new-mail-account =
+    .label = 註冊新信箱
+    .accesskey = G
+appmenu-new-mail-account =
+    .label = 已有電子郵件信箱
+    .accesskey = E
+appmenu-new-calendar =
+    .label = 行事曆
+    .accesskey = C
+appmenu-new-chat-account =
+    .label = 聊天
+    .accesskey = h
+appmenu-new-feed =
+    .label = 消息來源
+    .accesskey = F
+appmenu-new-newsgroup =
+    .label = 新聞群組
+    .accesskey = N
+
+## New Account / Address Book
+
+appmenu-newab-panel-title =
+    .title = 新增通訊錄
+appmenu-newab-panel =
+    .label = 新增通訊錄
+    .accesskey = A
+appmenu-new-addressbook =
+    .label = 本機通訊錄
+    .accesskey = A
+appmenu-new-carddav =
+    .label = CardDav 通訊錄
+    .accesskey = C
+appmenu-new-ldap =
+    .label = LDAP 通訊錄
+    .accesskey = L
+
+## Create
+
+appmenu-create-panel-title =
+    .title = 建立
+appmenu-create-panel =
+    .label = 建立
+    .accesskey = C
+appmenu-create-message =
+    .label = 訊息
+    .accesskey = M
+appmenu-create-event =
+    .label = 事件
+    .accesskey = E
+appmenu-create-task =
+    .label = 工作
+    .accesskey = T
+appmenu-create-contact =
+    .label = 聯絡人
+    .accesskey = C
+
+## Open
+
+appmenu-open-file-panel =
+    .label = 開啟檔案
+    .accesskey = O
+appmenu-open-file-panel-title =
+    .title = 開啟檔案
+appmenu-open-message =
+    .label = 訊息…
+    .accesskey = M
+appmenu-open-calendar =
+    .label = 行事曆…
+    .accesskey = C
+
+## View / Layout
+
+appmenu-view-panel-title =
+    .title = 檢視
+appmenu-view-panel =
+    .label = 檢視
+    .accesskey = V
+appmenu-font-size-value = 字型大小
+appmenu-mail-uidensity-value = 密度
+appmenu-uidensity-compact =
+    .tooltiptext = 緊密
+appmenu-uidensity-default =
+    .tooltiptext = 預設
+appmenu-uidensity-relaxed =
+    .tooltiptext = 放寬
+appmenuitem-font-size-enlarge =
+    .tooltiptext = 放大文字
+appmenuitem-font-size-reduce =
+    .tooltiptext = 縮小文字
+# Variables:
+# $size (String) - The current font size.
+appmenuitem-font-size-reset =
+    .label = { $size }px
+    .tooltiptext = 重設字型大小
+
+## Tools
+
+appmenu-tools-panel-title =
+    .title = 工具
+appmenu-tools-panel =
+    .label = 工具
+    .accesskey = T
+appmenu-tools-import =
+    .label = 匯入
+    .accesskey = I
+appmenu-tools-export =
+    .label = 匯出
+    .accesskey = E
+appmenu-tools-message-search =
+    .label = 搜尋訊息
+    .accesskey = S
+appmenu-tools-message-filters =
+    .label = 郵件篩選條件
+    .accesskey = F
+appmenu-tools-download-manager =
+    .label = 下載管理員
+    .accesskey = D
+appmenu-tools-activity-manager =
+    .label = 活動管理員
+    .accesskey = A
+appmenu-tools-dev-tools =
+    .label = 開發者工具
+    .accesskey = T
+
+## Help
+
+appmenu-help-panel-title =
+    .title = 說明
+appmenu-help-get-help =
+    .label = 取得幫助
+    .accesskey = H
+appmenu-help-explore-features =
+    .label = 探索功能
+    .accesskey = F
+appmenu-help-shortcuts =
+    .label = 快速鍵
+    .accesskey = K
+appmenu-help-get-involved =
+    .label = 參與其中
+    .accesskey = G
+appmenu-help-donation =
+    .label = 捐款給我們
+    .accesskey = D
+appmenu-help-share-feedback =
+    .label = 分享想法與意見回饋
+    .accesskey = S
+appmenu-help-enter-troubleshoot-mode2 =
+    .label = 疑難排解模式…
+    .accesskey = T
+appmenu-help-exit-troubleshoot-mode2 =
+    .label = 關閉疑難排解模式
+    .accesskey = O
+appmenu-help-troubleshooting-info =
+    .label = 疑難排解資訊
+    .accesskey = I
+appmenu-help-about-product =
+    .label = 關於 { -brand-short-name }
+    .accesskey = A
+
+## Application Update
+
+appmenuitem-banner-update-downloading =
+    .label = 正在下載 { -brand-shorter-name } 更新
+appmenuitem-banner-update-available =
+    .label = 已推出更新 — 立即下載
+appmenuitem-banner-update-manual =
+    .label = 已推出更新 — 立即下載
+appmenuitem-banner-update-unsupported =
+    .label = 無法更新 — 系統不相容
+appmenuitem-banner-update-restart =
+    .label = 已推出更新 — 立即重新啟動
diff --git a/l10n-zh-TW/mail/messenger/chat-verifySession.ftl b/l10n-zh-TW/mail/messenger/chat-verifySession.ftl
new file mode 100644
index 0000000000..a9c0965d09
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/chat-verifySession.ftl
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+verify-window-title = 確認身分
+
+# Variables:
+#   $subject (String) - a human readable identifier for the other side of the verification flow.
+verify-window-subject-title = 確認 { $subject } 的身分
+
+verify-dialog =
+    .buttonlabelaccept = 相符
+    .buttonaccesskeyaccept = M
+    .buttonlabelextra2 = 不相符
+    .buttonaccesskeyextra2 = D
+
+challenge-label = 請確認顯示的字串，與對方畫面上顯示的相同。
diff --git a/l10n-zh-TW/mail/messenger/chat.ftl b/l10n-zh-TW/mail/messenger/chat.ftl
new file mode 100644
index 0000000000..d20fb98927
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/chat.ftl
@@ -0,0 +1,47 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+chat-joining-chat-icon2 =
+    .alt = 加入聊天
+
+chat-left-chat-icon2 =
+    .alt = 已離開聊天
+
+chat-participant-owner-role-icon2 =
+    .alt = 擁有者
+
+chat-participant-administrator-role-icon2 =
+    .alt = 管理員
+
+chat-participant-moderator-role-icon2 =
+    .alt = 版主
+
+chat-participant-voiced-role-icon2 =
+    .alt = 參與者可以張貼訊息
+
+chat-verify-identity =
+    .label = 確認身分
+    .accesskey = I
+
+chat-identity-verified =
+    .label = 已經驗證過身分
+
+chat-buddy-identity-status = 加密信任程度
+chat-buddy-identity-status-verified = 已驗證
+chat-buddy-identity-status-unverified = 未驗證
+
+## Conversation invite notification box
+
+# This string appears in a notification bar at the top of the Contacts window
+# when someone invited the user to a multi user chat conversation, to request
+# the user to confirm they want to join the chat.
+# Variables:
+#   $conversation (String) - Name of the conversation the user is invited to.
+chat-conv-invite-label = 您已被邀請加入 { $conversation } 的聊天對話
+chat-conv-invite-accept =
+    .label = 接受
+    .accesskey = A
+chat-conv-invite-deny =
+    .label = 拒絕
+    .accesskey = R
diff --git a/l10n-zh-TW/mail/messenger/compactFoldersDialog.ftl b/l10n-zh-TW/mail/messenger/compactFoldersDialog.ftl
new file mode 100644
index 0000000000..ac09e38491
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/compactFoldersDialog.ftl
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+compact-dialog-window =
+    .title = 壓實重整郵件匣
+    .style = width: 50em;
+
+compact-dialog =
+    .buttonlabelaccept = 立即壓實重整
+    .buttonaccesskeyaccept = C
+    .buttonlabelcancel = 稍後再提醒我
+    .buttonaccesskeycancel = R
+    .buttonlabelextra1 = 了解更多…
+    .buttonaccesskeyextra1 = L
+
+# Variables:
+#  $data (String): The amount of space to be freed, formatted byte, MB, GB, etc., based on the size.
+compact-dialog-message = { -brand-short-name } 需要定期進行壓實重整您的信件匣檔案，以維護效能。這個動作可清理出 { $data } 磁碟空間，不會影響信件內容。若要讓 { -brand-short-name } 未來自動進行壓實重整，而不先詢問您，請勾選「{ compact-dialog.buttonlabelaccept }」旁的選取盒。
+
+compact-dialog-never-ask-checkbox =
+    .label = 未來自動壓實重整郵件匣
+    .accesskey = a
+
diff --git a/l10n-zh-TW/mail/messenger/exportDialog.ftl b/l10n-zh-TW/mail/messenger/exportDialog.ftl
new file mode 100644
index 0000000000..8ba9e8ebb1
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/exportDialog.ftl
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+export-dialog-brand-name = { -brand-product-name }
+
+export-dialog-title = 匯出
+
+export-dialog =
+    .buttonlabelaccept = 下一步
+
+export-dialog-button-finish = 完成
+
+export-dialog-file-picker = 匯出成 zip 檔
+
+export-dialog-description1 = 將郵件帳號、訊息、通訊錄、設定匯出成 zip 檔。
+
+export-dialog-desc2 = 需要時，您可以重新匯入 zip 檔來還原設定檔。
+
+export-dialog-exporting = 匯出中…
+
+export-dialog-exported = 已匯出！
diff --git a/l10n-zh-TW/mail/messenger/extensions/popup.ftl b/l10n-zh-TW/mail/messenger/extensions/popup.ftl
new file mode 100644
index 0000000000..cf521cd8b8
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/extensions/popup.ftl
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+close-shortcut =
+    .key = w
+# Variables:
+#   $title (String): the title of the popup window
+extension-popup-title =
+    { PLATFORM() ->
+        [macos] { $title }
+       *[other] { $title } - { -brand-full-name }
+    }
+extension-popup-default-title = { -brand-full-name }
diff --git a/l10n-zh-TW/mail/messenger/importDialog.ftl b/l10n-zh-TW/mail/messenger/importDialog.ftl
new file mode 100644
index 0000000000..a0524de800
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/importDialog.ftl
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Short name of the import module
+thunderbird-import-name = Thunderbird
+
+# Description of the import module
+thunderbird-import-description = 從 Thunderbird 設定檔目錄匯入郵件。
+
+import-from-thunderbird-zip =
+    .label = Thunderbird（匯出的設定檔備份，小於 2GB 的 ZIP 檔）
+    .accesskey = Z
+
+import-from-thunderbird-dir =
+    .label = Thunderbird（設定檔資料夾）
+    .accesskey = T
+
+import-select-profile-zip = 選擇壓縮過的設定檔目錄
+
+import-select-profile-dir = 選擇設定檔目錄
+
+zip-file-too-big-title = ZIP 檔太大
+
+zip-file-too-big-message = 選擇的 ZIP 檔案大小超過 2GB。請先解壓縮，然後改匯入解壓縮的資料匣。
+
+wizardpage-failed =
+    .label = 匯入失敗
+
+wizardpage-failed-message = 發生未預期的匯入失敗，錯誤主控台中可能有更多資訊。
diff --git a/l10n-zh-TW/mail/messenger/mailWidgets.ftl b/l10n-zh-TW/mail/messenger/mailWidgets.ftl
new file mode 100644
index 0000000000..7f6c3f1964
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/mailWidgets.ftl
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+apply-current-view-to-menu =
+    .label = 將目前畫面套用到…
+
+threadpane-apply-changes-prompt-title = 確定要套用變更嗎？
+# Variables:
+#  $name (String): The name of the folder to apply to.
+threadpane-apply-changes-prompt-no-children-text = 確定要將目前信件匣的畫面套用到 { $name } 嗎？
+# Variables:
+#  $name (String): The name of the folder to apply to.
+threadpane-apply-changes-prompt-with-children-text = 確定要將目前信件匣的畫面套用到 { $name } 與其子信件匣嗎？
+
diff --git a/l10n-zh-TW/mail/messenger/menubar.ftl b/l10n-zh-TW/mail/messenger/menubar.ftl
new file mode 100644
index 0000000000..14db846bcc
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/menubar.ftl
@@ -0,0 +1,160 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+toolbar-context-menu-menu-bar =
+    .toolbarname = 選單列
+    .accesskey = M
+
+## Tools Menu
+
+menu-tools-settings =
+    .label = 設定
+    .accesskey = e
+
+menu-addons-and-themes =
+    .label = 附加元件與佈景主題
+    .accesskey = A
+
+## Help Menu
+
+menu-help-help-title =
+    .label = 說明
+    .accesskey = H
+
+menu-help-get-help =
+    .label = 取得幫助
+    .accesskey = H
+
+menu-help-explore-features =
+    .label = 探索功能
+    .accesskey = F
+
+menu-help-shortcuts =
+    .label = 快速鍵
+    .accesskey = K
+
+menu-help-get-involved =
+    .label = 參與我們
+    .accesskey = G
+
+menu-help-donation =
+    .label = 捐款給我們
+    .accesskey = D
+
+menu-help-share-feedback =
+    .label = 分享想法與意見回饋
+    .accesskey = S
+
+menu-help-enter-troubleshoot-mode =
+    .label = 疑難排解模式…
+    .accesskey = T
+
+menu-help-exit-troubleshoot-mode =
+    .label = 關閉疑難排解模式
+    .accesskey = O
+
+menu-help-more-troubleshooting-info =
+    .label = 更多疑難排解資訊
+    .accesskey = M
+
+menu-help-troubleshooting-info =
+    .label = 疑難排解資訊
+    .accesskey = I
+
+menu-help-about-product =
+    .label = 關於 { -brand-short-name }
+    .accesskey = A
+
+# These menu-quit strings are only used on Windows and Linux.
+menu-quit =
+    .label =
+        { PLATFORM() ->
+            [windows] 結束
+           *[other] 離開
+        }
+    .accesskey =
+        { PLATFORM() ->
+            [windows] x
+           *[other] Q
+        }
+
+# This menu-quit-mac string is only used on macOS.
+menu-quit-mac =
+    .label = 離開 { -brand-shorter-name }
+
+quit-app-shortcut =
+    .key = Q
+
+## Mail Toolbar
+
+toolbar-junk-button =
+    .label = 是垃圾郵件
+    .tooltiptext = 標示所選訊息為垃圾信
+toolbar-not-junk-button =
+    .label = 非垃圾郵件
+    .tooltiptext = 標示所選訊息為非垃圾信
+toolbar-delete-button =
+    .label = 刪除
+    .tooltiptext = 刪除選擇的訊息或信件匣
+toolbar-undelete-button =
+    .label = 反刪除
+    .tooltiptext = 取消刪除選擇的訊息
+
+## View
+
+menu-view-repair-text-encoding =
+    .label = 修復文字編碼
+    .accesskey = c
+
+## View / Layout
+
+menu-font-size-label =
+    .label = 字型大小
+    .accesskey = o
+
+menuitem-font-size-enlarge =
+    .label = 放大文字
+    .accesskey = I
+
+menuitem-font-size-reduce =
+    .label = 縮小文字
+    .accesskey = D
+
+menuitem-font-size-reset =
+    .label = 重設字型大小
+    .accesskey = R
+
+mail-uidensity-label =
+    .label = 密度
+    .accesskey = D
+
+mail-uidensity-compact =
+    .label = 緊密
+    .accesskey = C
+
+mail-uidensity-normal =
+    .label = 標準
+    .accesskey = N
+
+mail-uidensity-touch =
+    .label = 觸控
+    .accesskey = T
+
+mail-uidensity-default =
+    .label = 預設
+    .accesskey = D
+
+mail-uidensity-relaxed =
+    .label = 放寬
+    .accesskey = R
+
+menu-spaces-toolbar-button =
+    .label = 按鈕空間
+    .accesskey = S
+
+## File
+
+file-new-newsgroup-account =
+    .label = 新聞群組帳號…
+    .accesskey = N
diff --git a/l10n-zh-TW/mail/messenger/messageheader/headerFields.ftl b/l10n-zh-TW/mail/messenger/messageheader/headerFields.ftl
new file mode 100644
index 0000000000..f35a67e6ea
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/messageheader/headerFields.ftl
@@ -0,0 +1,71 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Header lists
+
+message-header-to-list-name = 給
+
+message-header-from-list-name = 從
+
+message-header-sender-list-name = 寄件者
+
+message-header-reply-to-list-name = 回覆至
+
+message-header-cc-list-name = 副本
+
+message-header-bcc-list-name = 密件副本
+
+message-header-newsgroups-list-name = 新聞群組
+
+message-header-tags-list-name = 標籤
+
+## Other message headers.
+## The field-separator is for screen readers to separate the field name from the field value.
+
+message-header-author-field = 作者<span data-l10n-name="field-separator">:</span>
+
+message-header-organization-field = 公司<span data-l10n-name="field-separator">:</span>
+
+message-header-subject-field = 主旨<span data-l10n-name="field-separator">:</span>
+
+message-header-followup-to-field = 原文參見<span data-l10n-name="field-separator">:</span>
+
+
+message-header-date-field = 日期<span data-l10n-name="field-separator">:</span>
+
+message-header-user-agent-field = 使用者代理字串<span data-l10n-name="field-separator">:</span>
+
+message-header-references-field = 參考資料<span data-l10n-name="field-separator">:</span>
+
+message-header-message-id-field = 郵件編號<span data-l10n-name="field-separator">:</span>
+
+message-header-in-reply-to-field = 回覆給<span data-l10n-name="field-separator">:</span>
+
+message-header-website-field = 網站<span data-l10n-name="field-separator">:</span>
+
+# An additional email header field that the user has chosen to display. Unlike
+# the other headers, the name of this header is not expected to be localised
+# because it is generated from the raw field name found in the email header.
+#   $fieldName (String) - The field name.
+message-header-custom-field = { $fieldName }<span data-l10n-name="field-separator">:</span>
+
+##
+
+message-header-address-in-address-book-icon2 =
+    .alt = 在通訊錄中
+
+message-header-address-not-in-address-book-icon2 =
+    .alt = 不在通訊錄中
+
+message-header-address-not-in-address-book-button =
+    .title = 將此信箱儲存到通訊錄
+
+message-header-address-in-address-book-button =
+    .title = 編輯連絡人
+
+message-header-field-show-more = 更多
+    .title = 顯示所有收件者
+
+message-ids-field-show-all = 顯示全部
diff --git a/l10n-zh-TW/mail/messenger/messenger.ftl b/l10n-zh-TW/mail/messenger/messenger.ftl
new file mode 100644
index 0000000000..f2ad1465eb
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/messenger.ftl
@@ -0,0 +1,338 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Window controls
+
+messenger-window-minimize-button =
+    .tooltiptext = 最小化
+messenger-window-maximize-button =
+    .tooltiptext = 最大化
+messenger-window-restore-down-button =
+    .tooltiptext = 還原大小
+messenger-window-close-button =
+    .tooltiptext = 關閉
+
+# Variables:
+# $count (Number) - Number of unread messages.
+unread-messages-os-tooltip =
+    { $count ->
+       *[other] { $count } 封未讀訊息
+    }
+
+about-rights-notification-text = { -brand-short-name } 是一套自由且開放原始碼的軟體，由來自世界各地數千位成員組成的社群所打造。
+
+## Content tabs
+
+content-tab-page-loading-icon =
+    .alt = 頁面載入中
+content-tab-security-high-icon =
+    .alt = 連線是安全的
+content-tab-security-broken-icon =
+    .alt = 連線不安全
+
+## Toolbar
+
+addons-and-themes-toolbarbutton =
+    .label = 附加元件與佈景主題
+    .tooltiptext = 管理您的附加元件
+
+quick-filter-toolbarbutton =
+    .label = 快速篩選
+    .tooltiptext = 篩選訊息
+
+redirect-msg-button =
+    .label = 重導
+    .tooltiptext = 將選擇的訊息重新導向
+
+## Folder Pane
+
+folder-pane-toolbar =
+    .toolbarname = 資料夾窗格工具列
+    .accesskey = F
+
+folder-pane-toolbar-options-button =
+    .tooltiptext = 資料夾窗格選項
+
+folder-pane-header-label = 資料夾
+
+## Folder Toolbar Header Popup
+
+folder-toolbar-hide-toolbar-toolbarbutton =
+    .label = 隱藏工具列
+    .accesskey = H
+
+show-all-folders-label =
+    .label = 所有資料夾
+    .accesskey = A
+
+show-unread-folders-label =
+    .label = 未讀資料夾
+    .accesskey = n
+
+show-favorite-folders-label =
+    .label = 最愛資料夾
+    .accesskey = F
+
+show-smart-folders-label =
+    .label = 整合資料夾
+    .accesskey = U
+
+show-recent-folders-label =
+    .label = 最近開啟資料夾
+    .accesskey = R
+
+folder-toolbar-toggle-folder-compact-view =
+    .label = 精簡檢視
+    .accesskey = C
+
+## Menu
+
+redirect-msg-menuitem =
+    .label = 重導
+    .accesskey = D
+
+menu-file-save-as-file =
+    .label = 檔案…
+    .accesskey = F
+
+## AppMenu
+
+appmenu-save-as-file =
+    .label = 檔案…
+
+appmenu-settings =
+    .label = 設定
+
+appmenu-addons-and-themes =
+    .label = 附加元件與佈景主題
+
+appmenu-help-enter-troubleshoot-mode =
+    .label = 疑難排解模式…
+
+appmenu-help-exit-troubleshoot-mode =
+    .label = 關閉疑難排解模式
+
+appmenu-help-more-troubleshooting-info =
+    .label = 更多疑難排解資訊
+
+appmenu-redirect-msg =
+    .label = 重導
+
+## Context menu
+
+context-menu-redirect-msg =
+    .label = 重導
+
+mail-context-delete-messages =
+    .label =
+        { $count ->
+            [one] 刪除訊息
+           *[other] 刪除選擇的訊息
+        }
+
+context-menu-decrypt-to-folder =
+    .label = 將解密格式複製到
+    .accesskey = y
+
+## Message header pane
+
+other-action-redirect-msg =
+    .label = 重導
+
+message-header-msg-flagged =
+    .title = 已標星號
+    .aria-label = 已標星號
+
+# Variables:
+# $address (String) - The email address of the recipient this picture belongs to.
+message-header-recipient-avatar =
+    .alt = { $address } 的個人資料照片。
+
+## Message header cutomize panel
+
+message-header-customize-panel-title = 訊息標題設定
+
+message-header-customize-button-style =
+    .value = 按鈕樣式
+    .accesskey = B
+
+message-header-button-style-default =
+    .label = 圖示與文字
+
+message-header-button-style-text =
+    .label = 文字
+
+message-header-button-style-icons =
+    .label = 圖示
+
+message-header-show-sender-full-address =
+    .label = 總是顯示寄件者的完整信箱
+    .accesskey = f
+
+message-header-show-sender-full-address-description = 將在顯示名稱下方顯示電子郵件信箱。
+
+message-header-show-recipient-avatar =
+    .label = 顯示寄件者的個人資料照片
+    .accesskey = p
+
+message-header-hide-label-column =
+    .label = 隱藏標籤欄
+    .accesskey = l
+
+message-header-large-subject =
+    .label = 放大主旨
+    .accesskey = s
+
+message-header-all-headers =
+    .label = 顯示所有標頭
+    .accesskey = a
+
+## Action Button Context Menu
+
+toolbar-context-menu-manage-extension =
+    .label = 管理擴充套件
+    .accesskey = E
+toolbar-context-menu-remove-extension =
+    .label = 移除擴充套件
+    .accesskey = v
+
+## Add-on removal warning
+
+# Variables:
+#  $name (String): The name of the addon that will be removed.
+addon-removal-title = 要移除 { $name } 嗎？
+addon-removal-confirmation-button = 移除
+addon-removal-confirmation-message = 要從 { -brand-short-name } 移除 { $name }，以及其設定與儲存的資料嗎？
+
+caret-browsing-prompt-title = 鍵盤瀏覽
+caret-browsing-prompt-text = 按下 F7 鍵可切換是否開啟「鍵盤瀏覽」功能。此功能可在某些內容中顯示游標，讓您只用鍵盤就選取文字。您確定要開啟「鍵盤瀏覽」嗎？
+caret-browsing-prompt-check-text = 不要再問我。
+
+repair-text-encoding-button =
+    .label = 修復文字編碼
+    .tooltiptext = 根據訊息內容猜測正確的文字編碼
+
+## no-reply handling
+
+no-reply-title = 不支援回覆
+no-reply-message = 信件的回覆地址（{ $email }）看起來不像是有人會收信的地址。發送到此信箱的郵件，很有可能不會被人閱讀。
+no-reply-reply-anyway-button = 還是要回覆
+
+## error messages
+
+decrypt-and-copy-failures = 無法解密全部共 { $total } 封訊息當中的 { $failures } 封訊息，並未複製。
+
+## Spaces toolbar
+
+spaces-toolbar-element =
+    .toolbarname = 按鈕空間
+    .aria-label = 按鈕空間
+    .aria-description = 用來切換各種空間的垂直工具列。可使用方向鍵來切換不同按鈕。
+
+spaces-toolbar-button-mail2 =
+    .title = 郵件
+
+spaces-toolbar-button-address-book2 =
+    .title = 通訊錄
+
+spaces-toolbar-button-calendar2 =
+    .title = 行事曆
+
+spaces-toolbar-button-tasks2 =
+    .title = 工作
+
+spaces-toolbar-button-chat2 =
+    .title = 聊天
+
+spaces-toolbar-button-overflow =
+    .title = 更多按鈕…
+
+spaces-toolbar-button-settings2 =
+    .title = 設定
+
+spaces-toolbar-button-hide =
+    .title = 隱藏按鈕空間
+
+spaces-toolbar-button-show =
+    .title = 顯示按鈕空間
+
+spaces-context-new-tab-item =
+    .label = 用新分頁開啟
+
+spaces-context-new-window-item =
+    .label = 用新視窗開啟
+
+# Variables:
+# $tabName (String) - The name of the tab this item will switch to.
+spaces-context-switch-tab-item =
+    .label = 切換到 { $tabName }
+
+settings-context-open-settings-item2 =
+    .label = 設定
+
+settings-context-open-account-settings-item2 =
+    .label = 帳號設定
+
+settings-context-open-addons-item2 =
+    .label = 附加元件與佈景主題
+
+## Spaces toolbar pinned tab menupopup
+
+spaces-toolbar-pinned-tab-button =
+    .tooltiptext = 開啟按鈕空間選單
+
+spaces-pinned-button-menuitem-mail2 =
+    .label = { spaces-toolbar-button-mail2.title }
+
+spaces-pinned-button-menuitem-address-book2 =
+    .label = { spaces-toolbar-button-address-book2.title }
+
+spaces-pinned-button-menuitem-calendar2 =
+    .label = { spaces-toolbar-button-calendar2.title }
+
+spaces-pinned-button-menuitem-tasks2 =
+    .label = { spaces-toolbar-button-tasks2.title }
+
+spaces-pinned-button-menuitem-chat2 =
+    .label = { spaces-toolbar-button-chat2.title }
+
+spaces-pinned-button-menuitem-settings2 =
+    .label = { spaces-toolbar-button-settings2.title }
+
+spaces-pinned-button-menuitem-show =
+    .label = { spaces-toolbar-button-show.title }
+
+# Variables:
+# $count (Number) - Number of unread messages.
+chat-button-unread-messages = { $count }
+    .title =
+        { $count ->
+           *[other] { $count } 封未讀訊息
+        }
+
+## Spaces toolbar customize panel
+
+menuitem-customize-label =
+    .label = 自訂…
+
+spaces-customize-panel-title = 按鈕空間設定
+
+spaces-customize-background-color = 背景色
+
+spaces-customize-icon-color = 按鈕色
+
+# The background color used on the buttons of the spaces toolbar when they are
+# `current`, meaning the related space/tab is active and visible.
+spaces-customize-accent-background-color = 已選擇按鈕的背景色
+
+# The icon color used on the buttons of the spaces toolbar when they are
+# `current`, meaning the related space/tab is active and visible.
+spaces-customize-accent-text-color = 已選擇按鈕的顏色
+
+spaces-customize-button-restore = 回復為預設值
+    .accesskey = R
+
+customize-panel-button-save = 完成
+    .accesskey = D
diff --git a/l10n-zh-TW/mail/messenger/messengercompose/messengercompose.ftl b/l10n-zh-TW/mail/messenger/messengercompose/messengercompose.ftl
new file mode 100644
index 0000000000..407a295a34
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/messengercompose/messengercompose.ftl
@@ -0,0 +1,453 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Send Format
+
+compose-send-format-menu =
+    .label = 寄件格式
+    .accesskey = F
+
+compose-send-auto-menu-item =
+    .label = 自動
+    .accesskey = A
+
+compose-send-both-menu-item =
+    .label = 同時寄出 HTML 與純文字
+    .accesskey = B
+
+compose-send-html-menu-item =
+    .label = 僅 HTML
+    .accesskey = H
+
+compose-send-plain-menu-item =
+    .label = 僅純文字
+    .accesskey = P
+
+## Addressing widget
+
+#   $type (String) - the type of the addressing row
+remove-address-row-button =
+    .title = 移除 { $type } 欄位
+
+#   $type (String) - the type of the addressing row
+#   $count (Number) - the number of address pills currently present in the addressing row
+address-input-type-aria-label =
+    { $count ->
+        [0] { $type }
+       *[other] { $type } 有 { $count } 個地址，使用鍵盤左方向鍵移動到該項目。
+    }
+
+#   $email (String) - the email address
+#   $count (Number) - the number of address pills currently present in the addressing row
+pill-aria-label =
+    { $count ->
+        [one] { $email }: 按 Enter 編輯、按 Delete 刪除。
+       *[other] { $email }，第 1 筆，共 { $count } 筆: 按 Enter 編輯、按 Delete 刪除。
+    }
+
+#   $email (String) - the email address
+pill-tooltip-invalid-address = { $email } 不是有效的電子郵件地址
+
+#   $email (String) - the email address
+pill-tooltip-not-in-address-book = { $email } 不在您的通訊錄中
+
+pill-action-edit =
+    .label = 編輯地址
+    .accesskey = e
+
+#   $type (String) - the type of the addressing row, e.g. Cc, Bcc, etc.
+pill-action-select-all-sibling-pills =
+    .label = 選擇所有{ $type }地址
+    .accesskey = A
+
+pill-action-select-all-pills =
+    .label = 選擇所有地址
+    .accesskey = S
+
+pill-action-move-to =
+    .label = 移到收件者
+    .accesskey = t
+
+pill-action-move-cc =
+    .label = 移到副本
+    .accesskey = c
+
+pill-action-move-bcc =
+    .label = 移到密件副本
+    .accesskey = b
+
+pill-action-expand-list =
+    .label = 展開清單
+    .accesskey = x
+
+## Attachment widget
+
+ctrl-cmd-shift-pretty-prefix =
+    { PLATFORM() ->
+        [macos] ⇧ ⌘{ " " }
+       *[other] Ctrl+Shift+
+    }
+
+trigger-attachment-picker-key = A
+toggle-attachment-pane-key = M
+
+menuitem-toggle-attachment-pane =
+    .label = 附件窗格
+    .accesskey = m
+    .acceltext = { ctrl-cmd-shift-pretty-prefix }{ toggle-attachment-pane-key }
+
+toolbar-button-add-attachment =
+    .label = 附件
+    .tooltiptext = 新增附件（{ ctrl-cmd-shift-pretty-prefix }{ trigger-attachment-picker-key }）
+
+add-attachment-notification-reminder2 =
+    .label = 新增附件…
+    .accesskey = A
+    .tooltiptext = { toolbar-button-add-attachment.tooltiptext }
+
+menuitem-attach-files =
+    .label = 檔案…
+    .accesskey = F
+    .acceltext = { ctrl-cmd-shift-pretty-prefix }{ trigger-attachment-picker-key }
+
+context-menuitem-attach-files =
+    .label = 附加檔案…
+    .accesskey = F
+    .acceltext = { ctrl-cmd-shift-pretty-prefix }{ trigger-attachment-picker-key }
+
+# Note: Do not translate the term 'vCard'.
+context-menuitem-attach-vcard =
+    .label = 我的 vCard
+    .accesskey = C
+
+context-menuitem-attach-openpgp-key =
+    .label = 我的 OpenPGP 公鑰
+    .accesskey = K
+
+#   $count (Number) - the number of attachments in the attachment bucket
+attachment-bucket-count-value =
+    { $count ->
+        [1] { $count } 個附件
+       *[other] { $count } 個附件
+    }
+
+attachment-area-show =
+    .title = 顯示附件窗格（{ ctrl-cmd-shift-pretty-prefix }{ toggle-attachment-pane-key }）
+
+attachment-area-hide =
+    .title = 隱藏附件窗格（{ ctrl-cmd-shift-pretty-prefix }{ toggle-attachment-pane-key }）
+
+drop-file-label-attachment =
+    { $count ->
+       *[other] 新增為附件
+    }
+
+drop-file-label-inline =
+    { $count ->
+       *[other] 加到行內
+    }
+
+## Reorder Attachment Panel
+
+move-attachment-first-panel-button =
+    .label = 移到第一個
+move-attachment-left-panel-button =
+    .label = 移到左邊
+move-attachment-right-panel-button =
+    .label = 移到右邊
+move-attachment-last-panel-button =
+    .label = 移到最後一個
+
+button-return-receipt =
+    .label = 收件回執
+    .tooltiptext = 要求對方收信後寄發回執
+
+## Encryption
+
+encryption-menu =
+    .label = 安全性
+    .accesskey = c
+
+encryption-toggle =
+    .label = 加密
+    .tooltiptext = 對此訊息進行端到端加密
+
+encryption-options-openpgp =
+    .label = OpenPGP
+    .tooltiptext = 檢視或變更 OpenPGP 加密設定
+
+encryption-options-smime =
+    .label = S/MIME
+    .tooltiptext = 檢視或變更 S/MIME 加密設定
+
+signing-toggle =
+    .label = 簽署
+    .tooltiptext = 對此訊息進行數位簽署
+
+menu-openpgp =
+    .label = OpenPGP
+    .accesskey = O
+
+menu-smime =
+    .label = S/MIME
+    .accesskey = S
+
+menu-encrypt =
+    .label = 加密
+    .accesskey = E
+
+menu-encrypt-subject =
+    .label = 加密主旨
+    .accesskey = B
+
+menu-sign =
+    .label = 數位簽署
+    .accesskey = i
+
+menu-manage-keys =
+    .label = 金鑰助理
+    .accesskey = A
+
+menu-view-certificates =
+    .label = 檢視收件憑證
+    .accesskey = V
+
+menu-open-key-manager =
+    .label = 金鑰管理員
+    .accesskey = M
+
+openpgp-key-issue-notification-one = 端到端加密功能需要解決 { $addr } 的金鑰問題
+openpgp-key-issue-notification-many = 端到端加密功能需要解決 { $count } 位收件者的金鑰問題。
+
+smime-cert-issue-notification-one = 端到端加密功能需要解決 { $addr } 的憑證問題。
+smime-cert-issue-notification-many = 端到端加密功能需要解決 { $count } 位收件者的憑證問題。
+
+key-notification-disable-encryption =
+    .label = 不要加密
+    .accesskey = D
+    .tooltiptext = 關閉端到端加密
+
+key-notification-resolve =
+    .label = 解決…
+    .accesskey = R
+    .tooltiptext = 開啟 OpenPGP 金鑰助理
+
+can-encrypt-smime-notification = 可使用 S/MIME 端到端加密。
+
+can-encrypt-openpgp-notification = 可使用 OpenPGP 端到端加密。
+
+can-e2e-encrypt-button =
+    .label = 加密
+    .accesskey = E
+
+## Addressing Area
+
+to-address-row-label =
+    .value = 給
+
+#   $key (String) - the shortcut key for this field
+show-to-row-main-menuitem =
+    .label = 「給」欄位
+    .accesskey = T
+    .acceltext = { ctrl-cmd-shift-pretty-prefix }{ $key }
+
+# No acceltext should be shown.
+# The label should match the show-to-row-button text.
+show-to-row-extra-menuitem =
+    .label = 給
+    .accesskey = T
+
+#   $key (String) - the shortcut key for this field
+show-to-row-button = 給
+    .title = 顯示「給」欄位（{ ctrl-cmd-shift-pretty-prefix }{ $key }）
+
+
+cc-address-row-label =
+    .value = 副本
+
+#   $key (String) - the shortcut key for this field
+show-cc-row-main-menuitem =
+    .label = 「副本」欄位
+    .accesskey = C
+    .acceltext = { ctrl-cmd-shift-pretty-prefix }{ $key }
+
+# No acceltext should be shown.
+# The label should match the show-cc-row-button text.
+show-cc-row-extra-menuitem =
+    .label = 副本
+    .accesskey = C
+
+#   $key (String) - the shortcut key for this field
+show-cc-row-button = 副本
+    .title = 顯示「副本」欄位（{ ctrl-cmd-shift-pretty-prefix }{ $key }）
+
+
+bcc-address-row-label =
+    .value = 密件副本
+
+#   $key (String) - the shortcut key for this field
+show-bcc-row-main-menuitem =
+    .label = 「密件副本」欄位
+    .accesskey = B
+    .acceltext = { ctrl-cmd-shift-pretty-prefix }{ $key }
+
+# No acceltext should be shown.
+# The label should match the show-bcc-row-button text.
+show-bcc-row-extra-menuitem =
+    .label = 密件副本
+    .accesskey = B
+
+#   $key (String) - the shortcut key for this field
+show-bcc-row-button = 密件副本
+    .title = 顯示「密件副本」欄位（{ ctrl-cmd-shift-pretty-prefix }{ $key }）
+
+extra-address-rows-menu-button =
+    .title = 其他要顯示的地址欄位
+
+#   $count (Number) - the count of addresses in the "To" and "Cc" fields.
+many-public-recipients-notice =
+    { $count ->
+        [one] 您的訊息當中有公開的收件者，可以改用「密件副本」來避免揭露收件者資訊。
+       *[other] 「給」與「副本」收件者共有 { $count } 位，都可看到彼此的收件信箱。您可以改用「密件副本」來避免揭露收件者資訊。
+    }
+many-public-recipients-bcc =
+    .label = 改為密件副本收件者
+    .accesskey = U
+
+many-public-recipients-ignore =
+    .label = 保持收件者名單公開
+    .accesskey = K
+
+many-public-recipients-prompt-title = 太多公開收件者
+
+#   $count (Number) - the count of addresses in the public recipients fields.
+many-public-recipients-prompt-msg =
+    { $count ->
+        [one] 您的訊息包含公開的收件者，可能會造成隱私權疑慮。可以將他們移到「密件副本」來避免揭露收件者資訊。
+       *[other] 您的訊息當中有 { $count } 位公開的收件者，他們都能看到彼此的信箱，可能會造成隱私權疑慮。可以將他們移到「密件副本」來避免揭露收件者資訊。
+    }
+
+many-public-recipients-prompt-cancel = 取消傳送
+many-public-recipients-prompt-send = 還是要寄出
+
+## Notifications
+
+# Variables:
+# $identity (string) - The name of the used identity, most likely an email address.
+compose-missing-identity-warning = 找不到寄件地址對應的唯一識別資料。將使用目前的寄件者欄位資料，以及 { $identity } 身份的設定來寄信。
+
+encrypted-bcc-warning = 寄出加密郵件時，不會完全隱藏密件副本收件者。所有的收件者都可能識別出他們。
+
+encrypted-bcc-ignore-button = 知道了！
+
+## Editing
+
+
+# Tools
+
+compose-tool-button-remove-text-styling =
+    .tooltiptext = 刪除文字樣式
+
+## Filelink
+
+# A text used in a tooltip of Filelink attachments, whose account has been
+# removed or is unknown.
+cloud-file-unknown-account-tooltip = 上傳至未知的雲端鏈結帳號。
+
+# Placeholder file
+
+# Title for the html placeholder file.
+# $filename - name of the file
+cloud-file-placeholder-title = { $filename } - 雲端鏈結附件
+
+# A text describing that the file was attached as a Filelink and can be downloaded
+# from the link shown below.
+# $filename - name of the file
+cloud-file-placeholder-intro = 檔案 { $filename } 已上傳至雲端鏈結，可於下方鏈結下載。
+
+# Template
+
+# A line of text describing how many uploaded files have been appended to this
+# message. Emphasis should be on sharing as opposed to attaching. This item is
+# used as a header to a list, hence the colon.
+cloud-file-count-header =
+    { $count ->
+       *[other] 我已將 { $count } 個檔案的雲端鏈結加入此郵件:
+    }
+
+# A text used in a footer, instructing the reader where to find additional
+# information about the used service provider.
+# $link (string) - html a-tag for a link pointing to the web page of the provider
+cloud-file-service-provider-footer-single = 了解 { $link } 的更多資訊。
+
+# A text used in a footer, instructing the reader where to find additional
+# information about the used service providers. Links for the used providers are
+# split into a comma separated list of the first n-1 providers and a single entry
+# at the end.
+# $firstLinks (string) - comma separated list of html a-tags pointing to web pages
+#                        of the first n-1 used providers
+# $lastLink (string) - html a-tag pointing the web page of the n-th used provider
+cloud-file-service-provider-footer-multiple = 了解 { $firstLinks } 與 { $lastLink } 的更多資訊。
+
+# Tooltip for an icon, indicating that the link is protected by a password.
+cloud-file-tooltip-password-protected-link = 密碼保護鏈結
+
+# Used in a list of stats about a specific file
+# Service - the used service provider to host the file (Filelink Service: BOX.com)
+# Size - the size of the file (Size: 4.2 MB)
+# Link - the link to the file (Link: https://some.provider.com)
+# Expiry Date - stating the date the link will expire (Expiry Date: 12.12.2022)
+# Download Limit - stating the maximum allowed downloads, before the link becomes invalid
+#                  (Download Limit: 6)
+cloud-file-template-service-name = 雲端鏈結服務:
+cloud-file-template-size = 大小:
+cloud-file-template-link = 鏈結:
+cloud-file-template-password-protected-link = 密碼保護鏈結:
+cloud-file-template-expiry-date = 過期日:
+cloud-file-template-download-limit = 下載限制:
+
+# Messages
+
+# $provider (string) - name of the online storage service that reported the error
+cloud-file-connection-error-title = 連線錯誤
+cloud-file-connection-error = { -brand-short-name } 已離線，無法連線至 { $provider }。
+
+# $provider (string) - name of the online storage service that reported the error
+# $filename (string) - name of the file that was uploaded and caused the error
+cloud-file-upload-error-with-custom-message-title = 將檔案 { $filename } 上傳到 { $provider } 失敗
+
+# $provider (string) - name of the online storage service that reported the error
+# $filename (string) - name of the file that was renamed and caused the error
+cloud-file-rename-error-title = 重新命名錯誤
+cloud-file-rename-error = 在 { $provider } 重新命名 { $filename } 時發生錯誤。
+
+# $provider (string) - name of the online storage service that reported the error
+# $filename (string) - name of the file that was renamed and caused the error
+cloud-file-rename-error-with-custom-message-title = 在 { $provider } 重新命名 { $filename } 失敗
+
+# $provider (string) - name of the online storage service that reported the error
+cloud-file-rename-not-supported = { $provider } 不支援重新命名已上傳的檔案。
+
+# $filename (string) - name of the file that was renamed and caused the error
+cloud-file-attachment-error-title = 雲端鏈結上傳錯誤
+cloud-file-attachment-error = 由於本機檔案被移動或刪除，雲端鏈結附件 { $filename } 更新失敗。
+
+# $filename (string) - name of the file that was renamed and caused the error
+cloud-file-account-error-title = 雲端鏈結帳號錯誤
+cloud-file-account-error = 由於雲端鏈結帳號已遭刪除，雲端鏈結附件 { $filename } 更新失敗。
+
+## Link Preview
+
+link-preview-title = 鏈結預覽
+link-preview-description = 貼上鏈結時，{ -brand-short-name } 可嵌入鏈結預覽。
+link-preview-autoadd = 可用時，自動新增鏈結預覽
+link-preview-replace-now = 要新增此鏈結的預覽圖嗎？
+link-preview-yes-replace = 好的
+
+## Dictionary selection popup
+
+spell-add-dictionaries =
+    .label = 新增字典…
+    .accesskey = A
diff --git a/l10n-zh-TW/mail/messenger/migration.ftl b/l10n-zh-TW/mail/messenger/migration.ftl
new file mode 100644
index 0000000000..f13d6a738d
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/migration.ftl
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+
+migration-progress-header = 正在準備 { -brand-short-name } 資料…
+
+## Migration tasks
+
+
+# These strings are displayed to the user if a migration is taking a long time.
+# They should be short (no more than a handful of words) and in the present tense.
+
+migration-task-test-fast = 測試快速變動
+migration-task-test-slow = 測試慢速變動
+migration-task-test-progress = 測試進度列
diff --git a/l10n-zh-TW/mail/messenger/openpgp/backupKeyPassword.ftl b/l10n-zh-TW/mail/messenger/openpgp/backupKeyPassword.ftl
new file mode 100644
index 0000000000..99760ee337
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/backupKeyPassword.ftl
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+set-password-window =
+    .title = 輸入用來保護 OpenPGP 金鑰的密碼
+
+set-password-legend = 設定密碼
+
+set-password-message = 在此設定的密碼可保護您要建立的 OpenPGP 私鑰備份。必須設定此密碼以繼續備份。
+
+set-password-backup-pw =
+    .value = 私密金鑰備份密碼:
+
+set-password-repeat-backup-pw =
+    .value = 私密金鑰備份密碼（再次輸入）:
+
+set-password-reminder = <b>重要！</b>如果您忘了私鑰的備份密碼，將會無法回存備份。請多備一份到安全的地方。
+
+password-quality-meter = 密碼品質測量計
diff --git a/l10n-zh-TW/mail/messenger/openpgp/changeExpiryDlg.ftl b/l10n-zh-TW/mail/messenger/openpgp/changeExpiryDlg.ftl
new file mode 100644
index 0000000000..c2dc2f63b1
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/changeExpiryDlg.ftl
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+openpgp-change-key-expiry-title =
+    .title = 更改金鑰有效期限
+
+info-will-expire = 這把金鑰目前設定於 { $date } 到期。
+info-already-expired = 這把金鑰已經過期。
+info-does-not-expire = 這把金鑰目前設定為永不過期。
+
+info-explanation-1 = <b>金鑰過期後</b>，就無法再用來加密或進行數位簽章。
+
+info-explanation-2 = 若要延長這把金鑰的使用期限，請更改到期日，然後再次將公鑰分享給您的通訊夥伴。
+
+expire-dont-change =
+    .label = 不要更改到期日
+expire-never-label =
+    .label = 金鑰永不過期
+expire-in-label =
+    .label = 金鑰過期時間:
+expire-in-months = 月
diff --git a/l10n-zh-TW/mail/messenger/openpgp/composeKeyStatus.ftl b/l10n-zh-TW/mail/messenger/openpgp/composeKeyStatus.ftl
new file mode 100644
index 0000000000..c01b956ea9
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/composeKeyStatus.ftl
@@ -0,0 +1,23 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+openpgp-compose-key-status-intro-need-keys = 若要傳送端到端加密訊息，必須取得並接受每一位收件者的公鑰。
+openpgp-compose-key-status-keys-heading = OpenPGP 金鑰可用性:
+openpgp-compose-key-status-title =
+    .title = OpenPGP 訊息安全
+openpgp-compose-key-status-recipient =
+    .label = 收件者
+openpgp-compose-key-status-status =
+    .label = 狀態
+openpgp-compose-key-status-open-details = 管理選擇的收件者的金鑰…
+openpgp-recip-good = 確定
+openpgp-recip-missing = 無可用金鑰
+openpgp-recip-none-accepted = 無可接受的金鑰
+openpgp-compose-general-info-alias = { -brand-short-name } 一般來說會要求收件者的公鑰當中包含與電子郵件地址相同的使用者 ID。此行為可透過更改 OpenPGP 收件者別名規則來調整。
+openpgp-compose-general-info-alias-learn-more = 了解更多
+openpgp-compose-alias-status-direct =
+    { $count ->
+       *[other] 對應到 { $count } 把別名金鑰
+    }
+openpgp-compose-alias-status-error = 無法使用 / 不存在的別名金鑰
diff --git a/l10n-zh-TW/mail/messenger/openpgp/keyAssistant.ftl b/l10n-zh-TW/mail/messenger/openpgp/keyAssistant.ftl
new file mode 100644
index 0000000000..b0c7327702
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/keyAssistant.ftl
@@ -0,0 +1,142 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+openpgp-key-assistant-title = OpenPGP 金鑰助理
+
+openpgp-key-assistant-rogue-warning = 避免收到偽造的金鑰。為了確保您收到的是正確的金鑰，請進行驗證。<a data-l10n-name="openpgp-link">了解更多…</a>
+
+## Encryption status
+
+openpgp-key-assistant-recipients-issue-header = 無法加密
+
+# Variables:
+# $count (Number) - The number of recipients that need attention.
+openpgp-key-assistant-recipients-issue-description =
+    { $count ->
+       *[other] 若要加密，您必須先取得並接受 { $count } 位收件者的可用金鑰。<a data-l10n-name="openpgp-link">了解更多…</a>
+    }
+
+openpgp-key-assistant-info-alias = { -brand-short-name } 一般來說會要求收件者的公鑰當中包含與電子郵件地址相同的使用者 ID。此行為可透過更改 OpenPGP 收件者別名規則來調整。<a data-l10n-name="openpgp-link">了解更多…</a>
+
+# Variables:
+# $count (Number) - The number of recipients that need attention.
+openpgp-key-assistant-recipients-description =
+    { $count ->
+       *[other] 您已經擁有 { $count } 位收件者可用且已接受的金鑰。
+    }
+
+openpgp-key-assistant-recipients-description-no-issues = 您擁有所有使用者可用且已接受的金鑰，可加密此訊息。
+
+## Resolve section
+
+# Variables:
+# $recipient (String) - The email address of the recipient needing resolution.
+# $numKeys (Number) - The number of keys.
+openpgp-key-assistant-resolve-title =
+    { $numKeys ->
+       *[other] { -brand-short-name } 找到 { $recipient } 的金鑰如下。
+    }
+
+openpgp-key-assistant-valid-description = 請選擇您要接受的金鑰
+
+# Variables:
+# $numKeys (Number) - The number of available keys.
+openpgp-key-assistant-invalid-title =
+    { $numKeys ->
+       *[other] 在您更新下列金鑰前，無法使用下列金鑰。
+    }
+
+openpgp-key-assistant-no-key-available = 無可用金鑰。
+
+openpgp-key-assistant-multiple-keys = 有多把金鑰可以使用。
+
+# Variables:
+# $count (Number) - The number of unaccepted keys.
+openpgp-key-assistant-key-unaccepted =
+    { $count ->
+        [one] 有一把可用的金鑰，但您尚未接受。
+       *[other] 有多把可用的金鑰，但您尚未接受任何一把。
+    }
+
+# Variables:
+# $date (String) - The expiration date of the key.
+openpgp-key-assistant-key-accepted-expired = 有一把已接受的金鑰，已於 { $date } 過期。
+
+openpgp-key-assistant-keys-accepted-expired = 有多把已接受的金鑰已過期。
+
+# Variables:
+# $date (String) - The expiration date of the key.
+openpgp-key-assistant-this-key-accepted-expired = 先前接受過這把金鑰，但已於 { $date } 過期。
+
+# Variables:
+# $date (String) - The expiration date of the key.
+openpgp-key-assistant-key-unaccepted-expired-one = 金鑰已於 { $date } 過期。
+openpgp-key-assistant-key-unaccepted-expired-many = 有多把金鑰已過期。
+
+openpgp-key-assistant-key-fingerprint = 指紋
+
+openpgp-key-assistant-key-source =
+    { $count ->
+       *[other] 來源
+    }
+
+openpgp-key-assistant-key-collected-attachment = 郵件附件
+openpgp-key-assistant-key-collected-autocrypt = Autocrypt 檔頭
+openpgp-key-assistant-key-collected-keyserver = 金鑰伺服器
+openpgp-key-assistant-key-collected-wkd = 網頁金鑰目錄
+
+openpgp-key-assistant-keys-has-collected =
+    { $count ->
+        [one] 找到一把金鑰，但您尚未接受過。
+       *[other] 找到多把金鑰，但您尚未接受過任何一把。
+    }
+
+openpgp-key-assistant-key-rejected = 先前拒絕過這把金鑰。
+openpgp-key-assistant-key-accepted-other = 先前接受過這把金鑰用於另一組電子郵件信箱。
+
+# Variables:
+# $recipient (String) - The email address of the recipient needing resolution.
+openpgp-key-assistant-resolve-discover-info = 在網路上尋找 { $recipient } 的其他金鑰或更新金鑰，或從檔案匯入。
+
+## Discovery section
+
+openpgp-key-assistant-discover-title = 正在進行網路搜尋。
+
+# Variables:
+# $recipient (String) - The email address which we're discovering keys.
+openpgp-key-assistant-discover-keys = 正在尋找 { $recipient } 的金鑰…
+
+# Variables:
+# $recipient (String) - The email address which we're discovering keys.
+openpgp-key-assistant-expired-key-update = 找到 { $recipient } 先前接受過的其中一把金鑰的更新。由於已經不再過期，現在起可以使用了。
+
+## Dialog buttons
+
+openpgp-key-assistant-discover-online-button = 在網路上尋找公鑰…
+
+openpgp-key-assistant-import-keys-button = 從網路匯入公鑰…
+
+openpgp-key-assistant-issue-resolve-button = 解決…
+
+openpgp-key-assistant-view-key-button = 檢視金鑰…
+
+openpgp-key-assistant-recipients-show-button = 顯示
+
+openpgp-key-assistant-recipients-hide-button = 隱藏
+
+openpgp-key-assistant-cancel-button = 取消
+
+openpgp-key-assistant-back-button = 上一頁
+
+openpgp-key-assistant-accept-button = 接受
+
+openpgp-key-assistant-close-button = 關閉
+
+openpgp-key-assistant-disable-button = 關閉加密
+
+openpgp-key-assistant-confirm-button = 以加密格式寄出
+
+# Variables:
+# $date (String) - The key creation date.
+openpgp-key-assistant-key-created = 建立於 { $date }
diff --git a/l10n-zh-TW/mail/messenger/openpgp/keyWizard.ftl b/l10n-zh-TW/mail/messenger/openpgp/keyWizard.ftl
new file mode 100644
index 0000000000..f91b3151e5
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/keyWizard.ftl
@@ -0,0 +1,191 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#   $identity (String) - the email address of the currently selected identity
+key-wizard-dialog-window =
+    .title = 為 { $identity } 新增一把 OpenPGP 個人金鑰
+
+key-wizard-button =
+    .buttonlabelaccept = 繼續
+    .buttonlabelhelp = 返回
+
+key-wizard-dialog =
+    .buttonlabelaccept = 繼續
+    .buttonlabelextra1 = 返回
+
+key-wizard-warning = <b>若您已有此信箱的個人金鑰</b>，應該直接匯入該金鑰，否則將無法再存取先前加密過的郵件，與其他人使用您現有金鑰加密寄送給您的郵件。
+
+key-wizard-learn-more = 了解更多
+
+radio-create-key =
+    .label = 建立新的 OpenPGP 金鑰
+    .accesskey = C
+
+radio-import-key =
+    .label = 匯入已有的 OpenPGP 金鑰
+    .accesskey = I
+
+radio-gnupg-key =
+    .label = 透過 GnuPG 使用您的外部金鑰（例如: 智慧卡）
+    .accesskey = U
+
+## Generate key section
+
+openpgp-generate-key-title = 產生 OpenPGP 金鑰
+
+openpgp-generate-key-info = <b>可能需要花上幾分鐘金鑰才能產生完成。</b>金鑰產生過程中，請不要關閉應用程式。持續上網，或進行需要頻繁讀寫磁碟的動作，可重新補充「隨機程度池」以加速金鑰產生。完成後將提示您金鑰已經產生。
+
+openpgp-keygen-expiry-title = 金鑰到期日
+
+openpgp-keygen-expiry-description = 設定您新產生的金鑰的到期時間，有需要的話稍後可以再延長它。
+
+radio-keygen-expiry =
+    .label = 金鑰過期時間
+    .accesskey = e
+
+radio-keygen-no-expiry =
+    .label = 金鑰永不過期
+    .accesskey = d
+
+openpgp-keygen-days-label =
+    .label = 天
+openpgp-keygen-months-label =
+    .label = 月
+openpgp-keygen-years-label =
+    .label = 年
+
+openpgp-keygen-advanced-title = 進階設定
+
+openpgp-keygen-advanced-description = 控制您 OpenPGP 金鑰的進階設定。
+
+openpgp-keygen-keytype =
+    .value = 金鑰類型:
+    .accesskey = t
+
+openpgp-keygen-keysize =
+    .value = 金鑰大小:
+    .accesskey = s
+
+openpgp-keygen-type-rsa =
+    .label = RSA
+
+openpgp-keygen-type-ecc =
+    .label = ECC（橢圓曲線）
+
+openpgp-keygen-button = 產生金鑰
+
+openpgp-keygen-progress-title = 正在產生您的新 OpenPGP 金鑰…
+
+openpgp-keygen-import-progress-title = 正在匯入您的新 OpenPGP 金鑰…
+
+openpgp-import-success = 成功匯入 OpenPGP 金鑰！
+
+openpgp-import-success-title = 完成匯入過程
+
+openpgp-import-success-description = 若要使用您剛匯入的 OpenPGP 金鑰來加密郵件，請關閉此對話框，並到帳號設定當中選擇這把金鑰。
+
+openpgp-keygen-confirm =
+    .label = 確認
+
+openpgp-keygen-dismiss =
+    .label = 取消
+
+openpgp-keygen-cancel =
+    .label = 取消產生金鑰…
+
+openpgp-keygen-import-complete =
+    .label = 關閉
+    .accesskey = C
+
+openpgp-keygen-missing-username = 尚未幫目前的帳號指定名稱。請在帳號設定中的「您的大名」欄位輸入姓名。
+openpgp-keygen-long-expiry = 您不能產生超過 100 年後才會到期的金鑰。
+openpgp-keygen-short-expiry = 您的金鑰必須至少有效一天。
+
+openpgp-keygen-ongoing = 金鑰已經在產生中！
+
+openpgp-keygen-error-core = 無法初始化 OpenPGP Core Service
+
+openpgp-keygen-error-failed = OpenPGP 金鑰產生過程發生未預期的失敗
+
+#   $identity (String) - the newly generate OpenPGP Key
+openpgp-keygen-error-revocation = 成功產生 OpenPGP 金鑰，但金鑰 { $key } 的撤銷資訊取得失敗
+
+openpgp-keygen-abort-title = 要中止金鑰產生過程嗎？
+openpgp-keygen-abort = OpenPGP 金鑰正在產生中，確定要取消嗎？
+
+#   $identity (String) - the name and email address of the currently selected identity
+openpgp-key-confirm = 確定要產生 { $identity } 的公鑰與私鑰嗎？
+
+## Import Key section
+
+openpgp-import-key-title = 匯入已有的 OpenPGP 個人金鑰
+
+openpgp-import-key-legend = 選擇先前備份的檔案。
+
+openpgp-import-key-description = 您可以匯入於其他 OpenPGP 軟體建立的個人金鑰。
+
+openpgp-import-key-info = 在其他軟體中，可能會將個人金鑰稱為「您的金鑰」、「私密金鑰」、「密鑰」或「金鑰對」。
+
+#   $count (Number) - the number of keys found in the selected files
+openpgp-import-key-list-amount-2 =
+    { $count ->
+       *[other] { -brand-short-name } 找到 { $count } 把可以匯入的金鑰。
+    }
+
+openpgp-import-key-list-description = 請確認哪些金鑰是您的個人金鑰。應該只將您自己打造，並且顯示您個人身分的金鑰視為個人金鑰。您可以稍後再到「金鑰屬性」對話框更改此選項。
+
+openpgp-import-key-list-caption = 標示為「個人金鑰」的金鑰，將列於「端到端加密」段落中。其他的金鑰則列出於「金鑰管理員」。
+
+openpgp-passphrase-prompt-title = 請輸入密語
+
+#   $identity (String) - the id of the key being imported
+openpgp-passphrase-prompt = 請輸入用來解開下列金鑰的密語: { $key }
+
+openpgp-import-key-button =
+    .label = 選擇要匯入的檔案…
+    .accesskey = S
+
+import-key-file = 匯入 OpenPGP 金鑰檔案
+
+import-key-personal-checkbox =
+    .label = 將此金鑰視為個人金鑰
+
+gnupg-file = GnuPG 檔案
+
+import-error-file-size = <b>錯誤！</b>不支援超過 5MB 的檔案。
+
+#   $error (String) - the reported error from the failed key import method
+import-error-failed = <b>錯誤！</b>檔案匯入失敗。{ $error }
+
+#   $error (String) - the reported error from the failed key import method
+openpgp-import-keys-failed = <b>錯誤！</b>金鑰匯入失敗。{ $error }
+
+openpgp-import-identity-label = 身份識別
+
+openpgp-import-fingerprint-label = 指紋
+
+openpgp-import-created-label = 建立於
+
+openpgp-import-bits-label = 位元
+
+openpgp-import-key-props =
+    .label = 金鑰屬性
+    .accesskey = K
+
+## External Key section
+
+openpgp-external-key-title = 外部 GnuPG 金鑰
+
+openpgp-external-key-description = 輸入金鑰 ID 來設定外部 GnuPG 金鑰
+
+openpgp-external-key-info = 除此之外，必須使用「金鑰管理員」來匯入並接受對應的公鑰。
+
+openpgp-external-key-warning = <b>您只能設定一組外部 GnuPG 金鑰。</b>將取代先前設定的項目。
+
+openpgp-save-external-button = 儲存金鑰 ID
+
+openpgp-external-key-label = 私鑰 ID:
+
+openpgp-external-key-input =
+    .placeholder = 123456789341298340
diff --git a/l10n-zh-TW/mail/messenger/openpgp/msgReadStatus.ftl b/l10n-zh-TW/mail/messenger/openpgp/msgReadStatus.ftl
new file mode 100644
index 0000000000..c0e4869b7a
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/msgReadStatus.ftl
@@ -0,0 +1,76 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Message Header Encryption Button
+
+message-header-show-security-info-key = S
+
+#   $type (String) - the shortcut key defined in the message-header-show-security-info-key
+message-security-button =
+    .title =
+        { PLATFORM() ->
+            [macos] 顯示訊息安全性資訊（⌘ ⌥ { message-header-show-security-info-key }）
+           *[other] 顯示訊息安全性資訊（Ctrl+Alt+{ message-header-show-security-info-key }）
+        }
+
+openpgp-view-signer-key =
+    .label = 檢視簽署者金鑰
+openpgp-view-your-encryption-key =
+    .label = 檢視您的解密金鑰
+openpgp-openpgp = OpenPGP
+
+openpgp-no-sig = 沒有數位簽章
+openpgp-no-sig-info = 此訊息中未包含寄件者的數位簽章。這代表訊息可能是別人冒名寄送，也有可能在傳送過程中已遭人修改。
+openpgp-uncertain-sig = 無法確認的數位簽章
+openpgp-invalid-sig = 無效的數位簽章
+openpgp-good-sig = 正確的數位簽章
+
+openpgp-sig-uncertain-no-key = 此訊息包含數位簽章，但無法確認簽章是否正確。若要驗證簽章，需要取得寄件者的公鑰。
+openpgp-sig-uncertain-uid-mismatch = 此訊息包含數位簽章，但與已知的簽章不符。訊息是由與寄件者公鑰不符的電子郵件地址寄出的。
+openpgp-sig-uncertain-not-accepted = 此訊息包含數位簽章，但您尚未決定寄件者的金鑰是否可接受。
+openpgp-sig-invalid-rejected = 此訊息包含數位簽章，但您先前曾決定要拒絕簽署者的金鑰。
+openpgp-sig-invalid-technical-problem = 此訊息包含數位簽章，但偵測到技術錯誤。可能是訊息已毀損或遭人竄改。
+openpgp-sig-valid-unverified = 此訊息包含您先前接受過的金鑰所簽署的有效數位簽章。但您還沒有確認過金鑰真的屬於該寄件者。
+openpgp-sig-valid-verified = 此訊息包含已驗證的金鑰所簽署的有效數位簽章。
+openpgp-sig-valid-own-key = 此訊息包含由您的個人金鑰所簽署的有效數位簽章。
+
+openpgp-sig-key-id = 簽署者金鑰 ID: { $key }
+openpgp-sig-key-id-with-subkey-id = 簽署者金鑰 ID: { $key }（子金鑰 ID: { $subkey }）
+
+openpgp-enc-key-id = 您的解密金鑰 ID: { $key }
+openpgp-enc-key-with-subkey-id = 您的解密金鑰 ID: { $key }（子金鑰 ID: { $subkey }）
+
+openpgp-enc-none = 郵件未加密
+openpgp-enc-none-label = 此郵件寄出前沒被加密過。未加密的資訊在網際網路傳輸過程中有可能被偷看。
+
+openpgp-enc-invalid-label = 無法解密郵件
+openpgp-enc-invalid = 此郵件寄出前已被加密過，但無法解密。
+
+openpgp-enc-clueless = 這封已加密的郵件有未知的問題。
+
+openpgp-enc-valid-label = 郵件已加密
+openpgp-enc-valid = 此郵件在寄出給您之前就已經加密。透過加密，可確保訊息只被應該收到的人閱讀。
+
+openpgp-unknown-key-id = 未知金鑰
+
+openpgp-other-enc-additional-key-ids = 此外，訊息已由下列金鑰的擁有者加密:
+openpgp-other-enc-all-key-ids = 訊息已由下列金鑰的擁有者加密:
+
+openpgp-message-header-encrypted-ok-icon =
+    .alt = 解密成功
+openpgp-message-header-encrypted-notok-icon =
+    .alt = 解密失敗
+
+openpgp-message-header-signed-ok-icon =
+    .alt = 簽章正確
+# Mismatch icon is used for notok state as well
+openpgp-message-header-signed-mismatch-icon =
+    .alt = 簽章錯誤
+openpgp-message-header-signed-unknown-icon =
+    .alt = 未知簽章狀態
+openpgp-message-header-signed-verified-icon =
+    .alt = 簽章已驗證
+openpgp-message-header-signed-unverified-icon =
+    .alt = 簽章未驗證
diff --git a/l10n-zh-TW/mail/messenger/openpgp/oneRecipientStatus.ftl b/l10n-zh-TW/mail/messenger/openpgp/oneRecipientStatus.ftl
new file mode 100644
index 0000000000..86fa36ef91
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/oneRecipientStatus.ftl
@@ -0,0 +1,49 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+openpgp-one-recipient-status-title =
+    .title = OpenPGP 訊息安全
+openpgp-one-recipient-status-status =
+    .label = 狀態
+openpgp-one-recipient-status-key-id =
+    .label = 金鑰 ID
+openpgp-one-recipient-status-created-date =
+    .label = 建立於
+openpgp-one-recipient-status-expires-date =
+    .label = 有效期限
+openpgp-one-recipient-status-open-details =
+    .label = 開啟詳細資訊，並編輯接受程度…
+openpgp-one-recipient-status-discover =
+    .label = 尋找新的金鑰，或是否有金鑰更新
+
+openpgp-one-recipient-status-instruction1 = 若要傳送端到端加密訊息給，需要先取得對方的 OpenPGP 公鑰，並標示為已接受。
+openpgp-one-recipient-status-instruction2 = 要取得對方的公要，請匯入對方寄送給您，含有公鑰的郵件。另外您也可以嘗試在網路目錄中尋找看看。
+
+openpgp-key-own = 接受（個人金鑰）
+openpgp-key-secret-not-personal = 無法使用
+openpgp-key-verified = 接受（已驗證）
+openpgp-key-unverified = 接受（未驗證）
+openpgp-key-undecided = 不接受（未決定）
+openpgp-key-rejected = 不接受（已拒絕）
+openpgp-key-expired = 已過期
+
+openpgp-intro = { $key } 可用的公鑰
+
+openpgp-pubkey-import-id = ID: { $kid }
+openpgp-pubkey-import-fpr = 指紋: { $fpr }
+
+openpgp-pubkey-import-intro =
+    { $num ->
+       *[other] 檔案包含下列共 { $num } 把公鑰:
+    }
+
+openpgp-pubkey-import-accept =
+    { $num ->
+       *[one] 您要接受將此金鑰用來驗證下列所有電子郵件地址的數位簽章與加密訊息嗎？
+        [other] 您要接受將這些金鑰用來驗證下列所有電子郵件地址的數位簽章與加密訊息嗎？
+    }
+
+pubkey-import-button =
+    .buttonlabelaccept = 匯入
+    .buttonaccesskeyaccept = I
diff --git a/l10n-zh-TW/mail/messenger/openpgp/openpgp-frontend.ftl b/l10n-zh-TW/mail/messenger/openpgp/openpgp-frontend.ftl
new file mode 100644
index 0000000000..f51a855a16
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/openpgp-frontend.ftl
@@ -0,0 +1,56 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+openpgp-manage-keys-openpgp-cmd =
+    .label = OpenPGP 金鑰管理員
+    .accesskey = O
+
+openpgp-ctx-decrypt-open =
+    .label = 解密並開啟
+    .accesskey = D
+openpgp-ctx-decrypt-save =
+    .label = 解密並另存新檔…
+    .accesskey = C
+openpgp-ctx-import-key =
+    .label = 匯入 OpenPGP 金鑰
+    .accesskey = I
+openpgp-ctx-verify-att =
+    .label = 驗證簽章
+    .accesskey = V
+
+openpgp-has-sender-key = 此訊息聲稱包含寄件者的 OpenPGP 公鑰。
+openpgp-be-careful-new-key = 警告: 此訊息中的 OpenPGP 新公鑰與您先前接受的 { $email } 公鑰不同。
+
+openpgp-import-sender-key =
+    .label = 匯入…
+
+openpgp-search-keys-openpgp =
+    .label = 尋找 OpenPGP 金鑰
+
+openpgp-missing-signature-key = 此訊息是使用您沒有的金鑰所簽署的。
+
+openpgp-search-signature-key =
+    .label = 尋找…
+
+# Don't translate the terms "OpenPGP" and "MS-Exchange"
+openpgp-broken-exchange-opened = 這是一封被 MS-Exchange 毀損的 OpenPGP 訊息，由於是用本機檔案的方式開啟，無法修復。請嘗試將訊息複製到郵件資料夾，進行自動修復。
+openpgp-broken-exchange-info = 這是一封被 MS Exchange 修改毀損的 OpenPGP 訊息。若訊息內容不正確，可以試試看進行自動修復。
+openpgp-broken-exchange-repair =
+    .label = 修復訊息
+openpgp-broken-exchange-wait = 請稍候…
+
+openpgp-cannot-decrypt-because-mdc = 這是一封使用了舊版並有安全性漏洞所加密的訊息。此訊息可能在傳輸過程中已遭竄改，內容已遭洩漏。為了防止風險，將不顯示內容。
+
+openpgp-cannot-decrypt-because-missing-key = 用來解開此訊息的私鑰不存在。
+
+openpgp-partially-signed = 此訊息當中只有一部分使用 OpenPGP 進行數位簽署。當您點擊驗證按鈕後，將隱藏未保護的部分，並顯示數位簽章狀態。
+
+openpgp-partially-encrypted = 此訊息當中只有一部分使用 OpenPGP 進行數位簽署。訊息當中已經顯示可以閱讀的部分並未加密。當您點擊解密按鈕後，將顯示加密部分的內容。
+
+openpgp-reminder-partial-display = 提醒: 下方顯示的訊息只是原始訊息的一部分。
+
+openpgp-partial-verify-button = 驗證
+openpgp-partial-decrypt-button = 解密
+
+openpgp-unexpected-key-for-you = 警告: 此訊息當中包含一把聲稱屬於您的電子郵件信箱的未知 OpenPGP 金鑰。若這把金鑰不屬於您，代表可能有人正在嘗試欺騙其他收件者。
diff --git a/l10n-zh-TW/mail/messenger/openpgp/openpgp.ftl b/l10n-zh-TW/mail/messenger/openpgp/openpgp.ftl
new file mode 100644
index 0000000000..849a49293d
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/openpgp/openpgp.ftl
@@ -0,0 +1,682 @@
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+e2e-intro-description = 若要傳送加密訊息，或經數位簽署過的訊息，必須先設定 OpenPGP 或 S/MIME 的任一種加密方式。
+e2e-intro-description-more = 請選擇您要用於 OpenPGP 的個人金鑰，或用於 S/MIME 的個人憑證。不論是個人金鑰或憑證您都會有對應的私鑰。
+
+e2e-signing-description = 數位簽章讓收件者可以確認訊息是由您寄出的，並且內容未遭竄改。加密訊息預設將開啟數位簽署。
+
+e2e-sign-message =
+    .label = 簽署未加密訊息
+    .accesskey = u
+
+e2e-disable-enc =
+    .label = 對新訊息停用加密
+    .accesskey = D
+e2e-enable-enc =
+    .label = 對新訊息啟用加密
+    .accesskey = n
+e2e-enable-description = 您仍可以針對個別訊息關閉加密。
+
+e2e-advanced-section = 進階設定
+e2e-attach-key =
+    .label = 加入 OpenPGP 數位簽章時也附加我的公鑰
+    .accesskey = p
+e2e-encrypt-subject =
+    .label = 加密 OpenPGP 郵件主旨
+    .accesskey = b
+e2e-encrypt-drafts =
+    .label = 以加密格式儲存郵件草稿
+    .accesskey = r
+
+openpgp-key-user-id-label = 帳號 / 使用者 ID
+openpgp-keygen-title-label =
+    .title = 產生 OpenPGP 金鑰
+openpgp-cancel-key =
+    .label = 取消
+    .tooltiptext = 取消金鑰產生
+openpgp-key-gen-expiry-title =
+    .label = 金鑰到期日
+openpgp-key-gen-expire-label = 金鑰過期時間
+openpgp-key-gen-days-label =
+    .label = 天
+openpgp-key-gen-months-label =
+    .label = 月
+openpgp-key-gen-years-label =
+    .label = 年
+openpgp-key-gen-no-expiry-label =
+    .label = 金鑰永不過期
+openpgp-key-gen-key-size-label = 金鑰大小
+openpgp-key-gen-console-label = 金鑰產生方式
+openpgp-key-gen-key-type-label = 金鑰類型
+openpgp-key-gen-key-type-rsa =
+    .label = RSA
+openpgp-key-gen-key-type-ecc =
+    .label = ECC（橢圓曲線）
+openpgp-generate-key =
+    .label = 產生金鑰
+    .tooltiptext = 產生一把新的 OpenPGP 相容金鑰，進行加密與/或簽章
+openpgp-advanced-prefs-button-label =
+    .label = 進階…
+openpgp-keygen-desc = <a data-l10n-name="openpgp-keygen-desc-link">註: 可能需要花上幾分鐘金鑰才能產生完成。</a>金鑰產生過程中，請不要關閉應用程式。持續上網，或進行需要頻繁讀寫磁碟的動作，可重新補充「隨機程度池」以加速金鑰產生。完成後將提示您金鑰已經產生。
+
+openpgp-key-created-label =
+    .label = 建立於
+
+openpgp-key-expiry-label =
+    .label = 到期日
+
+openpgp-key-id-label =
+    .label = 金鑰 ID
+
+openpgp-cannot-change-expiry = 這是一把複雜結構的金鑰，不支援更改到期日。
+
+openpgp-key-man-title =
+    .title = OpenPGP 金鑰管理員
+openpgp-key-man-generate =
+    .label = 產生新金鑰對
+    .accesskey = K
+openpgp-key-man-gen-revoke =
+    .label = 撤銷憑證
+    .accesskey = R
+openpgp-key-man-ctx-gen-revoke-label =
+    .label = 產生並儲存撤銷憑證
+
+openpgp-key-man-file-menu =
+    .label = 檔案
+    .accesskey = F
+openpgp-key-man-edit-menu =
+    .label = 編輯
+    .accesskey = E
+openpgp-key-man-view-menu =
+    .label = 檢視
+    .accesskey = V
+openpgp-key-man-generate-menu =
+    .label = 產生
+    .accesskey = G
+openpgp-key-man-keyserver-menu =
+    .label = 金鑰伺服器
+    .accesskey = K
+
+openpgp-key-man-import-public-from-file =
+    .label = 從檔案匯入公鑰
+    .accesskey = I
+openpgp-key-man-import-secret-from-file =
+    .label = 從檔案匯入私鑰
+openpgp-key-man-import-sig-from-file =
+    .label = 從檔案匯入憑證撤銷資訊
+openpgp-key-man-import-from-clipbrd =
+    .label = 從剪貼簿匯入金鑰
+    .accesskey = I
+openpgp-key-man-import-from-url =
+    .label = 從網址匯入金鑰
+    .accesskey = U
+openpgp-key-man-export-to-file =
+    .label = 將公鑰匯出成檔案
+    .accesskey = E
+openpgp-key-man-send-keys =
+    .label = 用郵件寄出公鑰
+    .accesskey = S
+openpgp-key-man-backup-secret-keys =
+    .label = 備份私鑰到檔案
+    .accesskey = B
+
+openpgp-key-man-discover-cmd =
+    .label = 在網路上尋找金鑰
+    .accesskey = D
+openpgp-key-man-discover-prompt = 若要在線上尋找 OpenPGP 金鑰、金鑰伺服器或使用 WKD 通訊協定，請輸入電子郵件地址或金鑰 ID。
+openpgp-key-man-discover-progress = 搜尋中…
+
+openpgp-key-copy-key =
+    .label = 複製公鑰
+    .accesskey = C
+
+openpgp-key-export-key =
+    .label = 將公鑰匯出成檔案
+    .accesskey = E
+
+openpgp-key-backup-key =
+    .label = 備份私鑰到檔案
+    .accesskey = B
+
+openpgp-key-send-key =
+    .label = 用郵件寄出公鑰
+    .accesskey = S
+
+openpgp-key-man-copy-key-ids =
+    .label =
+        { $count ->
+           *[other] 將金鑰 ID 複製到剪貼簿
+        }
+    .accesskey = K
+
+openpgp-key-man-copy-fprs =
+    .label =
+        { $count ->
+           *[other] 將指紋複製到剪貼簿
+        }
+    .accesskey = F
+
+openpgp-key-man-copy-to-clipboard =
+    .label =
+        { $count ->
+           *[other] 將公鑰複製到剪貼簿
+        }
+    .accesskey = P
+
+openpgp-key-man-ctx-expor-to-file-label =
+    .label = 將金鑰匯出成檔案
+
+openpgp-key-man-ctx-copy =
+    .label = 複製
+    .accesskey = C
+
+openpgp-key-man-ctx-copy-fprs =
+    .label =
+        { $count ->
+           *[other] 指紋
+        }
+    .accesskey = F
+
+openpgp-key-man-ctx-copy-key-ids =
+    .label =
+        { $count ->
+           *[other] 金鑰 ID
+        }
+    .accesskey = K
+
+openpgp-key-man-ctx-copy-public-keys =
+    .label =
+        { $count ->
+           *[other] 公鑰
+        }
+    .accesskey = P
+
+openpgp-key-man-close =
+    .label = 關閉
+openpgp-key-man-reload =
+    .label = 重新載入金鑰快取
+    .accesskey = R
+openpgp-key-man-change-expiry =
+    .label = 更改到期日
+    .accesskey = E
+openpgp-key-man-refresh-online =
+    .label = 從網路重新整理
+    .accesskey = R
+openpgp-key-man-ignored-ids =
+    .label = 電子郵件地址
+openpgp-key-man-del-key =
+    .label = 刪除金鑰
+    .accesskey = D
+openpgp-delete-key =
+    .label = 刪除金鑰
+    .accesskey = D
+openpgp-key-man-revoke-key =
+    .label = 撤銷金鑰
+    .accesskey = R
+openpgp-key-man-key-props =
+    .label = 金鑰屬性
+    .accesskey = K
+openpgp-key-man-key-more =
+    .label = 更多
+    .accesskey = M
+openpgp-key-man-view-photo =
+    .label = 大頭照
+    .accesskey = P
+openpgp-key-man-ctx-view-photo-label =
+    .label = 檢視大頭照
+openpgp-key-man-show-invalid-keys =
+    .label = 顯示無效的金鑰
+    .accesskey = D
+openpgp-key-man-show-others-keys =
+    .label = 顯示來自其他人的金鑰
+    .accesskey = O
+openpgp-key-man-user-id-label =
+    .label = 名稱
+openpgp-key-man-fingerprint-label =
+    .label = 指紋
+openpgp-key-man-select-all =
+    .label = 選擇所有金鑰
+    .accesskey = A
+openpgp-key-man-empty-tree-tooltip =
+    .label = 在上方輸入搜尋詞彙
+openpgp-key-man-nothing-found-tooltip =
+    .label = 沒有與搜尋條件符合的金鑰
+openpgp-key-man-please-wait-tooltip =
+    .label = 請稍候金鑰載入…
+
+openpgp-key-man-filter-label =
+    .placeholder = 搜尋金鑰
+
+openpgp-key-man-select-all-key =
+    .key = A
+openpgp-key-man-key-details-key =
+    .key = I
+
+openpgp-ign-addr-intro = 您接受將此金鑰用於驗證下列選擇的電子郵件地址:
+
+openpgp-key-details-doc-title = 金鑰屬性
+openpgp-key-details-signatures-tab =
+    .label = 憑證
+openpgp-key-details-structure-tab =
+    .label = 結構
+openpgp-key-details-uid-certified-col =
+    .label = 使用者 ID / 認證者
+openpgp-key-details-key-id-label = 金鑰 ID
+openpgp-key-details-user-id3-label = 聲稱的金鑰擁有者
+openpgp-key-details-id-label =
+    .label = ID
+openpgp-key-details-key-type-label = 類型
+openpgp-key-details-key-part-label =
+    .label = 金鑰部分
+
+openpgp-key-details-attr-ignored = 警告: 由於這把金鑰的部份屬性不安全且將被忽略，可能無法正常使用。
+openpgp-key-details-attr-upgrade-sec = 您應該將不安全的屬性升級。
+openpgp-key-details-attr-upgrade-pub = 您應該請這把金鑰的擁有者將不安全的屬性升級。
+
+openpgp-key-details-upgrade-unsafe =
+    .label = 升級不安全的屬性
+    .accesskey = P
+
+openpgp-key-details-upgrade-ok = 已成功升級金鑰。請與其他往來通訊的人員交換升級過的公鑰。
+
+openpgp-key-details-algorithm-label =
+    .label = 演算法
+openpgp-key-details-size-label =
+    .label = 大小
+openpgp-key-details-created-label =
+    .label = 建立於
+openpgp-key-details-created-header = 建立於
+openpgp-key-details-expiry-label =
+    .label = 到期日
+openpgp-key-details-expiry-header = 到期日
+openpgp-key-details-usage-label =
+    .label = 用途
+openpgp-key-details-fingerprint-label = 指紋
+openpgp-key-details-legend-secret-missing = 有 (!) 標示的金鑰表示缺少私鑰。
+openpgp-key-details-sel-action =
+    .label = 選擇操作…
+    .accesskey = S
+openpgp-card-details-close-window-label =
+    .buttonlabelaccept = 關閉
+openpgp-acceptance-label =
+    .label = 您是否要接受
+openpgp-acceptance-rejected-label =
+    .label = 不接受，拒絕此金鑰。
+openpgp-acceptance-undecided-label =
+    .label = 還沒有決定，之後再說。
+openpgp-acceptance-unverified-label =
+    .label = 接受，但我還沒有確認過是否為正確金鑰。
+openpgp-acceptance-verified-label =
+    .label = 接受，我已經確認過金鑰指紋正確。
+key-accept-personal = 您有這把金鑰的公鑰與私鑰部分，可以將其用作個人金鑰。若這把金鑰是由別人提供給您的，那麼就請勿將其用作個人金鑰。
+openpgp-personal-no-label =
+    .label = 否，不要把這把金鑰當成我的個人金鑰。
+openpgp-personal-yes-label =
+    .label = 是，請把這把金鑰當成我的個人金鑰。
+
+openpgp-copy-cmd-label =
+    .label = 複製
+
+## e2e encryption settings
+
+#   $identity (String) - the email address of the currently selected identity
+openpgp-description-no-key = { -brand-short-name } 沒有 <b>{ $identity }</b> 的私人 OpenPGP 金鑰
+
+#   $count (Number) - the number of configured keys associated with the current identity
+#   $identity (String) - the email address of the currently selected identity
+openpgp-description-has-keys =
+    { $count ->
+       *[other] { -brand-short-name } 找到 { $count } 把 <b>{ $identity }</b> 的 OpenPGP 私人金鑰
+    }
+
+#   $key (String) - the currently selected OpenPGP key
+openpgp-selection-status-have-key = 您目前設定使用 ID 為 <b>{ $key }</b> 的金鑰
+
+#   $key (String) - the currently selected OpenPGP key
+openpgp-selection-status-error = 您目前設定使用金鑰 <b>{ $key }</b>，已經過期。
+
+openpgp-add-key-button =
+    .label = 新增金鑰…
+    .accesskey = A
+
+e2e-learn-more = 了解更多
+
+openpgp-keygen-success = 成功建立 OpenPGP 金鑰！
+
+openpgp-keygen-import-success = 成功匯入 OpenPGP 金鑰！
+
+openpgp-keygen-external-success = 已儲存外部 GnuPG 金鑰 ID！
+
+## OpenPGP Key selection area
+
+openpgp-radio-none =
+    .label = 無
+
+openpgp-radio-none-desc = 不要為此身份使用 OpenPGP。
+
+openpgp-radio-key-not-usable = 由於缺少私鑰，無法將這把金鑰用作個人金鑰！
+openpgp-radio-key-not-accepted = 若要使用這把金鑰，您必須先主動將其設定為個人金鑰！
+openpgp-radio-key-not-found = 找不到這把金鑰！若您想要使用這把金鑰，請先匯入至 { -brand-short-name }。
+
+#   $key (String) - the expiration date of the OpenPGP key
+openpgp-radio-key-expires = 到期於: { $date }
+
+#   $key (String) - the expiration date of the OpenPGP key
+openpgp-radio-key-expired = 過期於: { $date }
+
+openpgp-key-expires-within-6-months-icon =
+    .title = 金鑰將於 6 個月內到期
+
+openpgp-key-has-expired-icon =
+    .title = 金鑰已過期
+
+openpgp-key-expand-section =
+    .tooltiptext = 更多資訊
+
+openpgp-key-revoke-title = 撤銷金鑰
+
+openpgp-key-edit-title = 更改 OpenPGP 金鑰
+
+openpgp-key-edit-date-title = 延後到期日
+
+openpgp-manager-description = 使用 OpenPGP 金鑰管理員來檢視往來通訊者的公鑰，以及所有上方未列出的金鑰。
+
+openpgp-manager-button =
+    .label = OpenPGP 金鑰管理員
+    .accesskey = K
+
+openpgp-key-remove-external =
+    .label = 移除外部金鑰 ID
+    .accesskey = E
+
+key-external-label = 外部 GnuPG 金鑰
+
+# Strings in keyDetailsDlg.xhtml
+key-type-public = 公鑰
+key-type-primary = 主要金鑰
+key-type-subkey = 子金鑰
+key-type-pair = 金鑰對（私鑰與公鑰）
+key-expiry-never = 永不
+key-usage-encrypt = 加密
+key-usage-sign = 簽署
+key-usage-certify = 認證
+key-usage-authentication = 驗證
+key-does-not-expire = 金鑰永不過期
+key-expired-date = 金鑰已於 { $keyExpiry } 過期
+key-expired-simple = 金鑰已經過期
+key-revoked-simple = 金鑰已被撤銷
+key-do-you-accept = 您要接受將此金鑰用來驗證數位簽章與加密訊息嗎？
+key-verification = 請使用電子郵件以外的安全通訊方式確認金鑰指紋，以確保這的確是 { $addr } 的金鑰。
+
+# Strings enigmailMsgComposeOverlay.js
+cannot-use-own-key-because = 您的個人金鑰有問題，無法傳送訊息。{ $problem }
+cannot-encrypt-because-missing = 由於下列收件者的金鑰有問題，無法用端到端加密的方式傳送此訊息: { $problem }
+window-locked = 信件撰寫視窗已鎖定，取消傳送
+
+# Strings in mimeDecrypt.jsm
+mime-decrypt-encrypted-part-concealed-data = 這是加密過的訊息部分。請點擊附件用獨立視窗開啟。
+
+# Strings in keyserver.jsm
+keyserver-error-aborted = 已中斷
+keyserver-error-unknown = 發生了未知的錯誤
+keyserver-error-server-error = 金鑰伺服器回覆錯誤。
+keyserver-error-import-error = 下載的金鑰匯入失敗。
+keyserver-error-unavailable = 金鑰伺服器無法使用。
+keyserver-error-security-error = 金鑰伺服器不支援加密連線方式。
+keyserver-error-certificate-error = 金鑰伺服器的憑證無效。
+keyserver-error-unsupported = 不支援此金鑰伺服器。
+
+# Strings in mimeWkdHandler.jsm
+wkd-message-body-req = 您的電子郵件服務供應商處理了您要將公鑰上傳到 OpenPGP 網頁金鑰目錄的請求。請確認公鑰的公布過程是否已經完成。
+wkd-message-body-process = 這是一封關於自動將公鑰上傳到 OpenPGP 網頁金鑰目錄的郵件。您暫時還不必做任何事。
+
+# Strings in persistentCrypto.jsm
+converter-decrypt-body-failed = 無法解密主旨為 { $subject } 的訊息。您想要使用不同密語再試一次，或是跳過此訊息？
+
+# Strings filters.jsm
+filter-folder-required = 您必須指定目的資料夾。
+filter-decrypt-move-warn-experimental = 警告: 過濾器動作「永久解密」可能會毀損訊息。我們強烈建議您先試用「建立解密副本」過濾器，小心測試結果，只在確認都沒問題的情況才使用此過濾器。
+filter-term-pgpencrypted-label = OpenPGP 加密
+filter-key-required = 您必須選擇一組收件人金鑰。
+filter-key-not-found = 找不到「{ $desc }」的加密金鑰。
+filter-warn-key-not-secret = 警告: 過濾器動作「使用金鑰加密」會取代收件者。若您沒有「{ $desc }」的私鑰，將無法閱讀郵件。
+
+# Strings filtersWrapper.jsm
+filter-decrypt-move-label = 永久解密（OpenPGP）
+filter-decrypt-copy-label = 建立解密副本（OpenPGP）
+filter-encrypt-label = 使用金鑰加密（OpenPGP）
+
+# Strings in enigmailKeyImportInfo.js
+import-info-title =
+    .title = 成功！已匯入金鑰
+import-info-bits = 位元
+import-info-created = 建立於
+import-info-fpr = 指紋
+import-info-details = 檢視詳細資訊並管理金鑰接受程度
+import-info-no-keys = 未匯入金鑰。
+
+# Strings in enigmailKeyManager.js
+import-from-clip = 您想要從剪貼簿匯入一些金鑰嗎？
+import-from-url = 請從下列網址下載公鑰:
+copy-to-clipbrd-failed = 無法將選擇的金鑰複製到剪貼簿。
+copy-to-clipbrd-ok = 已將金鑰複製至剪貼簿
+delete-secret-key = 警告: 即將刪除私鑰！刪除私鑰後，將無法再解開使用該金鑰加密的訊息，也無法撤銷該金鑰。您確定要刪除「{ $userId }」的公鑰與私鑰嗎？
+delete-mix = 警告: 即將刪除私鑰！刪除私鑰後，將無法再解開使用該金鑰加密的訊息。您確定要刪除「{ $userId }」的公鑰與私鑰嗎？
+delete-pub-key = 您確定要刪除公鑰「{ $userId }」嗎？
+delete-selected-pub-key = 您確定要刪除公鑰嗎？
+refresh-all-question = 您並未選擇任何金鑰。想要重新整理所有金鑰嗎？
+key-man-button-export-sec-key = 匯出私鑰 (&S)
+key-man-button-export-pub-key = 只匯出公鑰 (&P)
+key-man-button-refresh-all = 重新整理所有金鑰 (&R)
+key-man-loading-keys = 正在載入金鑰，請稍候…
+ascii-armor-file = ASCII 格式檔案（*.asc）
+no-key-selected = 需要選擇至少一把金鑰，才能進行指定的操作
+export-to-file = 將公鑰匯出成檔案
+export-keypair-to-file = 將公鑰與私鑰匯出成檔案
+export-secret-key = 您要將私鑰也包含在儲存的 OpenPGP 金鑰檔案裡面嗎？
+save-keys-ok = 成功儲存金鑰
+save-keys-failed = 金鑰儲存失敗
+default-pub-key-filename = 匯出的公鑰
+default-pub-sec-key-filename = 私鑰備份
+refresh-key-warn = 警告: 視金鑰數量與網路速度而定，重新整理所有金鑰可能要花上不少時間！
+preview-failed = 無法讀取公鑰檔案。
+general-error = 錯誤: { $reason }
+dlg-button-delete = 刪除 (&D)
+
+## Account settings export output
+
+openpgp-export-public-success = <b>成功匯出公鑰！</b>
+openpgp-export-public-fail = <b>無法匯出選擇的公鑰！</b>
+
+openpgp-export-secret-success = <b>成功匯出私鑰！</b>
+openpgp-export-secret-fail = <b>無法匯出選擇的私鑰！</b>
+
+# Strings in keyObj.jsm
+key-ring-pub-key-revoked = 金鑰 { $userId }（金鑰 ID { $keyId }）已撤銷。
+key-ring-pub-key-expired = 金鑰 { $userId }（金鑰 ID { $keyId }）已過期。
+key-ring-no-secret-key = 您的鑰匙圈當中似乎沒有 { $userId }（金鑰 ID { $keyId }）的私鑰。無法使用該金鑰進行簽署。
+key-ring-pub-key-not-for-signing = 金鑰 { $userId }（金鑰 ID { $keyId }）無法用於簽署。
+key-ring-pub-key-not-for-encryption = 金鑰 { $userId }（金鑰 ID { $keyId }）無法用於加密。
+key-ring-sign-sub-keys-revoked = 金鑰 { $userId }（金鑰 ID { $keyId }）的所有簽署用子金鑰都已遭撤銷。
+key-ring-sign-sub-keys-expired = 金鑰 { $userId }（金鑰 ID { $keyId }）的所有簽署用子金鑰都已經過期。
+key-ring-enc-sub-keys-revoked = 金鑰 { $userId }（金鑰 ID { $keyId }）的所有加密用子金鑰都已遭撤銷。
+key-ring-enc-sub-keys-expired = 金鑰 { $userId }（金鑰 ID { $keyId }）的所有加密用子金鑰都已經過期。
+
+# Strings in gnupg-keylist.jsm
+keyring-photo = 相片
+user-att-photo = 使用者屬性（JPEG 圖片）
+
+# Strings in key.jsm
+already-revoked = 這把金鑰已被撤銷。
+
+#   $identity (String) - the id and associated user identity of the key being revoked
+revoke-key-question = 即將撤銷金鑰「{ $identity }」。撤銷後，將無法再使用這把金鑰進行簽署。且在公布後，其他人也將無法無法再使用該金鑰加密。您還是可以使用這把金鑰來解開舊訊息。確定要繼續嗎？
+
+#   $keyId (String) - the id of the key being revoked
+revoke-key-not-present = 您沒有與此撤銷憑證相符的金鑰（0x{ $keyId }）！若您搞丟金鑰了，必須先重新匯入金鑰（例如從金鑰伺服器）才能匯入撤銷憑證！
+
+#   $keyId (String) - the id of the key being revoked
+revoke-key-already-revoked = 金鑰 0x{ $keyId } 已被撤銷。
+
+key-man-button-revoke-key = 撤銷金鑰 (&R)
+
+openpgp-key-revoke-success = 成功撤銷金鑰。
+
+after-revoke-info = 此金鑰已被撤銷。請使用電子郵件再次分享公鑰，或是上傳到金鑰伺服器，讓其他人知道您已撤銷此金鑰。當其他人使用的軟體知道金鑰已經撤銷後，就不會再使用您的舊金鑰。若您在相同信箱使用新的金鑰，並且將新的公鑰附加在您寄出的郵件中，那麼也會自動包含舊金鑰已經撤銷的資訊。
+
+# Strings in keyRing.jsm & decryption.jsm
+key-man-button-import = 匯入 (&I)
+
+delete-key-title = 刪除 OpenPGP 金鑰
+
+delete-external-key-title = 移除外部 GnuPG 金鑰
+
+delete-external-key-description = 您想要移除這把外部 GnuPG 金鑰 ID 嗎？
+
+key-in-use-title = OpenPGP 金鑰正在使用中
+
+delete-key-in-use-description = 無法繼續！您選擇要刪除的金鑰目前正由此身分使用中。請選擇其他金鑰或取消選擇並再試一次。
+
+revoke-key-in-use-description = 無法繼續！您選擇要撤銷的金鑰目前正由此身分使用中。請選擇其他金鑰或取消選擇並再試一次。
+
+# Strings used in errorHandling.jsm
+key-error-key-spec-not-found = 電子郵件地址「{ $keySpec }」無法對應到您鑰匙圈上的金鑰。
+key-error-key-id-not-found = 無法在您的鑰匙圈找到設定的金鑰 ID「{ $keySpec }」。
+key-error-not-accepted-as-personal = 您並未確認 ID 為「{ $keySpec }」的金鑰是您的個人金鑰。
+
+# Strings used in enigmailKeyManager.js & windows.jsm
+need-online = 您選擇的功能無法於離線模式使用。請先上線然後再試一次。
+
+# Strings used in keyRing.jsm & keyLookupHelper.jsm
+no-key-found2 = 找不到任何符合搜尋條件的可用金鑰。
+no-update-found = 您已經擁有在網路上找到的金鑰。
+
+# Strings used in keyRing.jsm & GnuPGCryptoAPI.jsm
+fail-key-extract = 錯誤 - 金鑰抽取指令執行失敗
+
+# Strings used in keyRing.jsm
+fail-cancel = 錯誤 - 使用者取消接收金鑰
+not-first-block = 錯誤 - 第一組 OpenPGP 區塊不是公鑰區塊
+import-key-confirm = 要匯入訊息中嵌入的公鑰嗎？
+fail-key-import = 錯誤 - 金鑰匯入失敗
+file-write-failed = 寫入到檔案 { $output } 失敗
+no-pgp-block = 錯誤 - 找不到有效的 armored 格式 OpenPGP 資料區塊
+confirm-permissive-import = 匯入失敗。您嘗試匯入的金鑰可能已經毀損或使用了未知的屬性。您想要嘗試匯入當中正確的部分嗎？可能會匯入不完整且無法使用的金鑰。
+
+# Strings used in trust.jsm
+key-valid-unknown = 未知
+key-valid-invalid = 無效
+key-valid-disabled = 已停用
+key-valid-revoked = 已撤銷
+key-valid-expired = 已過期
+key-trust-untrusted = 未受信任
+key-trust-marginal = 間接信任
+key-trust-full = 受信任
+key-trust-ultimate = 完全信任
+key-trust-group = （群組）
+
+# Strings used in commonWorkflows.js
+import-key-file = 匯入 OpenPGP 金鑰檔案
+import-rev-file = 匯入 OpenPGP 撤銷檔案
+gnupg-file = GnuPG 檔案
+import-keys-failed = 金鑰匯入失敗
+passphrase-prompt = 請輸入可解開下列金鑰的密語: { $key }
+file-to-big-to-import = 檔案太大。請不要一次匯入太多組金鑰。
+
+# Strings used in enigmailKeygen.js
+save-revoke-cert-as = 建立並儲存撤銷憑證
+revoke-cert-ok = 已成功建立撤銷憑證。您可以用此憑證來撤銷公鑰（例如搞丟私鑰的時候）。
+revoke-cert-failed = 無法建立撤銷憑證。
+gen-going = 金鑰已經在產生中！
+keygen-missing-user-name = 尚未幫選擇的帳號/身分指定名稱。請在帳號設定中的「您的大名」欄位輸入姓名。
+expiry-too-short = 您的金鑰必須至少有效一天。
+expiry-too-long = 您不能產生超過 100 年後才會到期的金鑰。
+key-confirm = 確定要產生「{ $id }」的公鑰與私鑰嗎？
+key-man-button-generate-key = 產生金錀 (&G)
+key-abort = 要中止金鑰產生過程嗎？
+key-man-button-generate-key-abort = 中止產生金鑰 (&A)
+key-man-button-generate-key-continue = 繼續產生金鑰 (&C)
+
+# Strings used in enigmailMessengerOverlay.js
+
+failed-decrypt = 錯誤 - 解密失敗
+fix-broken-exchange-msg-failed = 訊息並未修復成功。
+
+attachment-no-match-from-signature = 無法將簽章檔案「{ $attachment }」對應到附件
+attachment-no-match-to-signature = 無法將附件「{ $attachment }」對應到簽章檔案
+signature-verified-ok = 附件 { $attachment } 的簽章驗證成功
+signature-verify-failed = 附件 { $attachment } 的簽章驗證失敗
+decrypt-ok-no-sig = 警告: 解密成功，但無法正確驗證簽章
+msg-ovl-button-cont-anyway = 還是繼續 (&C)
+enig-content-note = * 尚未簽署或加密此訊息的附件 *
+
+# Strings used in enigmailMsgComposeOverlay.js
+msg-compose-button-send = 寄送郵件 (&S)
+msg-compose-details-button-label = 詳細資訊…
+msg-compose-details-button-access-key = D
+send-aborted = 傳送操作已中止。
+key-not-trusted = 對金鑰「{ $key }」的信任程度不足
+key-not-found = 找不到金鑰「{ $key }」
+key-revoked = 金鑰「{ $key }」已撤銷
+key-expired = 金鑰「{ $key }」已過期
+msg-compose-internal-error = 發生內部錯誤。
+keys-to-export = 選擇要插入的 OpenPGP 金鑰
+msg-compose-partially-encrypted-inlinePGP = 您回復的訊息當中包含了未加密與有加密的部分。若寄件者原本就無法解密訊息中的某些部份，可能會造成該部分當中的機密資訊被洩漏出去。請考慮將回覆給寄件者的訊息中，所有的引用文字刪除。
+msg-compose-cannot-save-draft = 儲存草稿時發生錯誤
+msg-compose-partially-encrypted-short = 請小心洩露敏感資訊 - 這封郵件僅有部分加密
+quoted-printable-warn = 您選擇使用「quoted-printable」編碼方式來寄出郵件，可能會造成訊息的解密或驗證不正確。您要關閉使用「quoted-printable」編碼方式嗎？
+minimal-line-wrapping = 您將換行長度設為 { $width } 字元。若需正確進行加密或簽署，這個長度必須至少為 68。您要現在將換行長度設為 68 字元嗎？
+sending-news = 加密傳送操作中斷。因為有新聞群組收件者，無法加密此訊息。請解除加密再重新寄出。
+send-to-news-warning = 警告: 您即將傳送加密的郵件到新聞群組中。由於只有在群組中的所有成員都能夠解密訊息時才能閱讀（也就是說，必須使用群組中的所有成員的金鑰加密訊息），否則這個動作並不合理。請只在您真的知道現在在做什麼的時候才寄出這封信。確定要繼續嗎？
+save-attachment-header = 儲存解密附件
+possibly-pgp-mime = 可能是 PGP/MIME 加密或簽署過的訊息，請使用「解密 / 驗證」功能來驗證
+cannot-send-sig-because-no-own-key = 由於您還沒有設定 <{ $key }> 的端到端加密，無法數位簽署此訊息
+cannot-send-enc-because-no-own-key = 由於您還沒有設定 <{ $key }> 的端到端加密，無法加密寄出此訊息
+
+# Strings used in decryption.jsm
+do-import-multiple = 要匯入下列金鑰嗎？{ $key }
+do-import-one = 要匯入 { $name }（{ $id }）嗎？
+cant-import = 匯入公鑰時發生錯誤
+unverified-reply = 縮排的訊息部分（回覆引用內容）可能被修改過
+key-in-message-body = 在訊息內容中發現金鑰，請點擊「匯入金鑰」來匯入該金鑰
+sig-mismatch = 錯誤 - 簽章不符
+invalid-email = 錯誤 - 電子郵件地址無效
+attachment-pgp-key = 您正要開啟的附件「{ $name }」看來是一把 OpenPGP 金鑰檔案。請點擊「匯入」來匯入金鑰，或點擊「檢視」來使用瀏覽器視窗檢視檔案內容。
+dlg-button-view = 檢視 (&V)
+
+# Strings used in enigmailMsgHdrViewOverlay.js
+decrypted-msg-with-format-error = 解密訊息（從可能是由舊版 Exchange 伺服器毀損的 PGP 郵件格式恢復，結果可能不容易閱讀）
+
+# Strings used in encryption.jsm
+not-required = 錯誤 - 並未要求加密
+
+# Strings used in windows.jsm
+no-photo-available = 沒有可用的相片
+error-photo-path-not-readable = 相片路徑「{ $photo }」無法讀取
+debug-log-title = OpenPGP 除錯紀錄
+
+# Strings used in dialog.jsm
+repeat-prefix = 此警示將再重複 { $count }
+repeat-suffix-singular = 次。
+repeat-suffix-plural = 次。
+no-repeat = 將不再顯示此警示。
+dlg-keep-setting = 記住我的答案，不要再問我
+dlg-button-ok = 確定 (&O)
+dlg-button-close = 關閉 (&C)
+dlg-button-cancel = 取消 (&C)
+dlg-no-prompt = 下次不要再顯示此對話方塊。
+enig-prompt = OpenPGP Prompt
+enig-confirm = OpenPGP 確認
+enig-alert = OpenPGP 警示
+enig-info = OpenPGP 資訊
+
+# Strings used in persistentCrypto.jsm
+dlg-button-retry = 重試 (&R)
+dlg-button-skip = 略過 (&S)
+
+# Strings used in enigmailMsgBox.js
+enig-alert-title =
+    .title = OpenPGP 警示
diff --git a/l10n-zh-TW/mail/messenger/otr/add-finger.ftl b/l10n-zh-TW/mail/messenger/otr/add-finger.ftl
new file mode 100644
index 0000000000..a6ec212826
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/add-finger.ftl
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+otr-add-finger-title = 新增 OTR 金鑰指紋
+
+# Variables:
+#   $name (String) - name of a chat contact person
+# Do not translate 'OTR' (name of an encryption protocol)
+otr-add-finger-description = 請輸入 { $name } 的 OTR 金鑰指紋。
+
+otr-add-finger-fingerprint = 指紋:
+otr-add-finger-tooltip-error = 輸入了無效字元。僅接受 ABCDEF 等字母與數字
+
+otr-add-finger-input =
+    .placeholder = 40 字元長的 OTR 金鑰指紋
diff --git a/l10n-zh-TW/mail/messenger/otr/am-im-otr.ftl b/l10n-zh-TW/mail/messenger/otr/am-im-otr.ftl
new file mode 100644
index 0000000000..28cd016a1f
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/am-im-otr.ftl
@@ -0,0 +1,23 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+account-encryption =
+    .label = 端到端加密
+account-otr-label = 不留紀錄聊天（OTR）
+account-otr-description2 = { -brand-short-name } 支援以不留紀錄（OTR）機制對私人對話訊息進行端到端加密，如此可以防止第三方竊聽對話內容。僅能在對方也使用支援 OTR 功能的軟體時才能進行此類加密。
+otr-encryption-title = 驗證過的加密方式
+otr-encryption-caption = 若要讓其他人能夠在 OTR 聊天室當中驗證您的身分，請用 OTR 以外的可靠通訊方式將 OTR 指紋分享出去。
+otr-fingerprint-label = 您的指紋:
+view-fingerprint-button =
+    .label = 管理聯絡人的指紋
+    .accesskey = F
+otr-settings-title = OTR 設定
+otr-require-encryption =
+    .label = 要求必須在私人對話訊息中進行端到端加密
+otr-require-encryption-info = 要求必須進行端到端加密時，若一對一訊息當中的對話無法被加密，就不會送出。收到的訊息若未加密，也不會被記錄或出現於對話中。
+otr-verify-nudge =
+    .label = 總是提醒我要對尚未驗證的聯絡人做驗證
+
+otr-not-yet-available = 還無法使用
+
diff --git a/l10n-zh-TW/mail/messenger/otr/auth.ftl b/l10n-zh-TW/mail/messenger/otr/auth.ftl
new file mode 100644
index 0000000000..99ea7df163
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/auth.ftl
@@ -0,0 +1,60 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+otr-auth =
+    .title = 確認聯絡人的身分
+    .buttonlabelaccept = 確認
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+auth-title = 驗證 { $name } 的身分
+
+# Variables:
+#   $own_name (String) - the user's own screen name
+auth-your-fp-value = 您 { $own_name } 的指紋:
+
+# Variables:
+#   $their_name (String) - the screen name of a chat contact
+auth-their-fp-value = { $their_name } 的指紋:
+
+auth-help = 驗證聯絡人的身分後，可幫助您確認對話內容經過完整加密，讓第三方很難竊聽或竄改對話內容。
+
+auth-help-title = 驗證說明
+
+auth-question-received = 這是您的聯絡人提出的問題:
+
+auth-yes =
+    .label = 是
+
+auth-no =
+    .label = 否
+
+auth-verified = 我已經確認這是正確的指紋。
+
+auth-manual-verification = 手動驗證指紋
+auth-question-and-answer = 問與答
+auth-shared-secret = 共享密碼
+
+auth-manual-verification-label =
+    .label = { auth-manual-verification }
+
+auth-question-and-answer-label =
+    .label = { auth-question-and-answer }
+
+auth-shared-secret-label =
+    .label = { auth-shared-secret }
+
+auth-manual-instruction = 透過其他可靠的方式（例如經 OpenPGP 簽署過的郵件或電話），與您想要進行通訊的另一方互相交換指紋。（「指紋」是能夠用來確認加密金鑰的校驗資訊。）若金鑰符合，就在下面的對話框中指出你們已經確認過指紋資訊。
+
+auth-how = 你想要如何確認聯絡人的身分？
+
+auth-qa-instruction = 想個只有您與要聯絡的人知道答案的問題。輸入問題與答案，然後等待對方回答。若答案不正確，代表你們之間使用的通訊管道可能正被監控。
+
+auth-secret-instruction = 想個只有您與要聯絡的人知道的密語，但不要使用相同的網路來交換這組密語。您先輸入密語，然後等待對方也輸入。若雙方輸入的密語不相符，代表你們之間使用的通訊管道可能正被監控。
+
+auth-question = 請輸入問題:
+
+auth-answer = 請輸入解答（大小寫視為不同）:
+
+auth-secret = 請輸入密碼:
diff --git a/l10n-zh-TW/mail/messenger/otr/chat.ftl b/l10n-zh-TW/mail/messenger/otr/chat.ftl
new file mode 100644
index 0000000000..2e9b707e45
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/chat.ftl
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+state-label = 加密狀態:
+
+start-text = 開始加密對話
+
+start-label =
+    .label = { start-text }
+
+start-tooltip =
+    .tooltiptext = { start-text }
+
+end-label =
+    .label = 結束加密對話
+
+auth-label =
+    .label = 確認聯絡人的身分
diff --git a/l10n-zh-TW/mail/messenger/otr/finger-sync.ftl b/l10n-zh-TW/mail/messenger/otr/finger-sync.ftl
new file mode 100644
index 0000000000..60acbf9fdf
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/finger-sync.ftl
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+finger-yes = 已驗證
+finger-no = 未驗證
+
+finger-subset-title = 移除指紋
+finger-subset-message = 由於至少有一組指紋對應的金鑰還在對話當中，無法移除該組指紋。
+
+finger-remove-all-title = 移除所有指紋
+finger-remove-all-message = 您確定要移除所有先前看過的指紋嗎？所有先前做過的 OTR 身分驗證都將失效。
diff --git a/l10n-zh-TW/mail/messenger/otr/finger.ftl b/l10n-zh-TW/mail/messenger/otr/finger.ftl
new file mode 100644
index 0000000000..350687ba07
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/finger.ftl
@@ -0,0 +1,20 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+otr-finger-title = 先前看過的 OTR 金鑰指紋
+
+finger-intro = 來自先前的端到端加密對話的 OTR 金鑰指紋。
+
+finger-screen-name =
+    .label = 聯絡人
+finger-verified =
+    .label = 驗證狀態
+finger-fingerprint =
+    .label = 指紋
+
+finger-remove =
+    .label = 移除選擇項目
+
+finger-remove-all =
+    .label = 移除全部
diff --git a/l10n-zh-TW/mail/messenger/otr/otr.ftl b/l10n-zh-TW/mail/messenger/otr/otr.ftl
new file mode 100644
index 0000000000..d8ca2d6341
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/otr.ftl
@@ -0,0 +1,97 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-encryption-required-part1 = 您嘗試要傳送未加密過的訊息給 { $name }。政策規定，不允許傳送未加密過的訊息。
+
+msgevent-encryption-required-part2 = 將嘗試進行私人對話，將在私人對話開始後重新送出您的訊息。
+msgevent-encryption-error = 加密訊息時發生錯誤，訊息並未送出。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-connection-ended = { $name } 已關閉了與您之間的加密連線。為了避免您意外送出未經加密的訊息，並未送出您的訊息。請結束或重新開始加密對話。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-setup-error = 建立與 { $name } 之間的私人對話時發生錯誤。
+
+# Do not translate 'OTR' (name of an encryption protocol)
+msgevent-msg-reflected = 您接收到來自您自己的 OTR 訊息。不是您正在自言自語，就是有人將訊息反射回來給您。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-msg-resent = 已重發上一封給 { $name } 的訊息。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-rcvdmsg-not-private = 由於您與 { $name } 並不在私人通訊當中，無法閱讀收到的加密訊息。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-rcvdmsg-unreadable = 您收到來自 { $name } 的無法閱讀的加密訊息。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-rcvdmsg-malformed = 您收到來自 { $name } 的資料格式錯誤的訊息。
+
+# A Heartbeat is a technical message used to keep a connection alive.
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-log-heartbeat-rcvd = 您收到來自 { $name } 的 Heartbeat 訊息。
+
+# A Heartbeat is a technical message used to keep a connection alive.
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-log-heartbeat-sent = 已傳送 Heartbeat 訊息給 { $name }。
+
+# Do not translate 'OTR' (name of an encryption protocol)
+msgevent-rcvdmsg-general-err = 嘗試使用 OTR 保護對話訊息時，發生未知錯誤。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+#   $msg (string) - the message that was received.
+msgevent-rcvdmsg-unencrypted = 收到來自 { $name } 的下列訊息未經加密: { $msg }
+
+# Do not translate 'OTR' (name of an encryption protocol)
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-rcvdmsg-unrecognized = 您收到來自 { $name } 的無法識別的 OTR 訊息。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+msgevent-rcvdmsg-for-other-instance = { $name } 送出了要發給不同使用階段的訊息。若您在多個地方登入，其他的使用階段可能也收到了該封訊息。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+context-gone-secure-private = 與 { $name } 的私人對話開始。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+context-gone-secure-unverified = 與 { $name } 有加密，但未經驗證的對話開始。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+context-still-secure = 成功重新整理與 { $name } 的加密對話。
+
+error-enc = 加密訊息時發生錯誤。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+error-not-priv = 您傳送了加密資料給 { $name }，但對方並未預期收到此資料。
+
+error-unreadable = 您傳送了無法閱讀的加密訊息。
+error-malformed = 您傳送了資料格式錯誤的訊息。
+
+resent = [重寄]
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+tlv-disconnected = { $name } 結束了與您之間的加密對話，您也應該中斷對話。
+
+# Do not translate "Off-the-Record" and "OTR" which is the name of an encryption protocol
+# Make sure that this string does NOT contain any numbers, e.g. like "3".
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+query-msg = { $name } 要求進行不留紀錄（OTR）加密聊天，但您沒有支援該功能的外掛程式。若需更多資訊，請參考 https://en.wikipedia.org/wiki/Off-the-Record_Messaging 。
diff --git a/l10n-zh-TW/mail/messenger/otr/otrUI.ftl b/l10n-zh-TW/mail/messenger/otr/otrUI.ftl
new file mode 100644
index 0000000000..6c939208a6
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/otr/otrUI.ftl
@@ -0,0 +1,87 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+start-label = 開始加密對話
+refresh-label = 重新整理加密對話
+auth-label = 確認聯絡人的身分
+reauth-label = 重新確認聯絡人的身分
+
+auth-cancel = 取消
+auth-cancel-access-key = C
+
+auth-error = 驗證聯絡人身分時發生錯誤。
+auth-success = 已成功驗證您的聯絡人的身分。
+auth-success-them = 您的聯絡人已成功驗證您的身分。您可能也想要問他們問題，來驗證他們的身分。
+auth-fail = 無法驗證您的聯絡人的身分。
+auth-waiting = 等待聯絡人完成驗證…
+
+finger-verify = 驗證
+finger-verify-access-key = V
+
+finger-ignore = 忽略
+finger-ignore-access-key = I
+
+# Do not translate 'OTR' (name of an encryption protocol)
+buddycontextmenu-label = 新增 OTR 指紋
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+alert-start = 正在嘗試與 { $name } 開始進行加密對話…
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+alert-refresh = 正在嘗試與 { $name } 重新整理加密對話…
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+alert-gone-insecure = 與 { $name } 的加密對話結束。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+finger-unseen = { $name } 的身分未經驗證。雖然不可能受到一般的竊聽，但有心人花點功夫還是可以暗中偷聽。請驗證此聯絡人的身分來防止您受到監控。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+finger-seen = { $name } 使用未經識別的電腦聯絡您。雖然不可能受到一般的竊聽，但有心人花點功夫還是可以暗中偷聽。請驗證此聯絡人的身分來防止您受到監控。
+
+state-not-private = 目前的對話不是私人對話。
+state-generic-not-private = 目前的對話不是私人對話。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+state-unverified = 由於尚未驗證 { $name } 的身分，目前的對話有加密但並不隱私。
+
+state-generic-unverified = 由於尚未驗證某些人的身分，目前的對話雖經加密，但不能確保隱私。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+state-private = { $name } 的身分已經驗證，目前的對話已加密也能確保隱私。
+
+state-generic-private = 目前的對話已經加密，也已確認隱私。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+state-finished = { $name } 結束了與您之間的加密對話，您也應該中斷對話。
+
+state-not-private-label = 不安全
+state-unverified-label = 未驗證
+state-private-label = 私人
+state-finished-label = 已完成
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+verify-request = { $name } 要求驗證您的身分。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+afterauth-private = 您已驗證 { $name } 的身分。
+
+# Variables:
+#   $name (String) - the screen name of a chat contact person
+afterauth-unverified = { $name } 的身分未經驗證。
+
+# Do not translate 'OTR' (name of an encryption protocol)
+# Variables:
+#   $error (String) - contains an error message that describes the cause of the failure
+otr-genkey-failed = OTR 私鑰產生失敗: { $error }
diff --git a/l10n-zh-TW/mail/messenger/policies/aboutPolicies.ftl b/l10n-zh-TW/mail/messenger/policies/aboutPolicies.ftl
new file mode 100644
index 0000000000..c2244c4021
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/policies/aboutPolicies.ftl
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+about-policies-title = 企業政策
+
+# 'Active' is used to describe the policies that are currently active
+active-policies-tab = 啟用
+errors-tab = 錯誤
+documentation-tab = 文件集
+
+no-specified-policies-message = 已開啟企業政策服務，但未設定任何政策。
+inactive-message = 未開啟企業政策服務。
+
+policy-name = 政策名稱
+policy-value = 政策設定值
+policy-errors = 政策錯誤
diff --git a/l10n-zh-TW/mail/messenger/policies/policies-descriptions.ftl b/l10n-zh-TW/mail/messenger/policies/policies-descriptions.ftl
new file mode 100644
index 0000000000..ddf6d2b084
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/policies/policies-descriptions.ftl
@@ -0,0 +1,159 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## The Enterprise Policies feature is aimed at system administrators
+## who want to deploy these settings across several Thunderbird installations
+## all at once. This is traditionally done through the Windows Group Policy
+## feature, but the system also supports other forms of deployment.
+## These are short descriptions for individual policies, to be displayed
+## in the documentation section in about:policies.
+
+policy-3rdparty = 設定 WebExtension 可透過 chrome.storage.managed 存取的政策。
+
+policy-AppAutoUpdate = 開啟或關閉應用程式自動更新。
+
+policy-AppUpdatePin = 防止 { -brand-short-name } 更新超過特定版本。
+
+policy-AppUpdateURL = 自訂應用程式更新網址。
+
+policy-Authentication = 為支援的網站設定整合身分驗證方式。
+
+policy-BackgroundAppUpdate2 = 啟用或停用背景更新程式。
+
+policy-BlockAboutAddons = 防止開啟附加元件管理員（about:addons）。
+
+policy-BlockAboutConfig = 防止開啟 about:config 頁面。
+
+policy-BlockAboutProfiles = 防止開啟 about:profiles 頁面。
+
+policy-BlockAboutSupport = 防止開啟 about:support 頁面。
+
+policy-CaptivePortal = 開啟或關閉支援 Captive portal。
+
+policy-CertificatesDescription = 新增憑證，或使用內建憑證。
+
+policy-Cookies = 允許或拒絕網站設定 Cookie。
+
+policy-DisableBuiltinPDFViewer = 停用 { -brand-short-name } 內建的 PDF 閱讀器 PDF.js。
+
+policy-DisabledCiphers = 停用加密演算法。
+
+policy-DefaultDownloadDirectory = 設定預設下載資料夾。
+
+policy-DisableAppUpdate = 防止 { -brand-short-name } 更新。
+
+policy-DisableDefaultClientAgent = 不讓預設客戶端代理工具作任何事。僅對 Windows 有效，其他平台沒有代理工具可用。
+
+policy-DisableDeveloperTools = 防止使用開發者工具。
+
+policy-DisableFeedbackCommands = 停用於「說明」選單中傳送意見回饋的相關指令（「送出意見回饋」與「回報詐騙網站」）。
+
+policy-DisableForgetButton = 防止使用「忘記」功能。
+
+policy-DisableFormHistory = 不要記住搜尋與表單填寫紀錄。
+
+policy-DisableMasterPasswordCreation = 若為 true，將無法建立主控密碼。
+
+policy-DisablePasswordReveal = 不允許於儲存的登入資訊畫面中顯示密碼。
+
+policy-DisableProfileImport = 停用自其他應用程式匯入資料的選單功能。
+
+policy-DisableSafeMode = 停用以安全模式重新啟動的功能。註: 啟動時按住 Shift 鍵進入安全模式的功能，僅能於 Windows 使用群組原則停用。
+
+policy-DisableSecurityBypass = 防止使用者忽略某些安全性警告。
+
+policy-DisableSystemAddonUpdate = 防止 { -brand-short-name } 安裝或更新系統附加元件。
+
+policy-DisableTelemetry = 關閉 Telemetry。
+
+policy-DisplayMenuBar = 預設顯示選單列。
+
+policy-DNSOverHTTPS = 設定 DNS over HTTPS。
+
+policy-DontCheckDefaultClient = 啟動時不檢查是否為預設郵件軟體。
+
+policy-DownloadDirectory = 設定並鎖定下載資料夾。
+
+# “lock” means that the user won’t be able to change this setting
+policy-EnableTrackingProtection = 開啟或關閉內容封鎖功能，並可選擇鎖定該功能。
+
+# “lock” means that the user won’t be able to change this setting
+policy-EncryptedMediaExtensions = 開啟或關閉加密媒體擴充功能，並可選擇鎖定該功能。
+
+# A “locked” extension can’t be disabled or removed by the user. This policy
+# takes 3 keys (“Install”, ”Uninstall”, ”Locked”), you can either keep them in
+# English or translate them as verbs.
+policy-Extensions = 安裝、移除或鎖定擴充套件。安裝選項可加入網址或路徑作為參數。移除和鎖定選項則需要擴充套件 ID 作為參數。
+
+policy-ExtensionSettings = 管理擴充套件的各種安裝設定。
+
+policy-ExtensionUpdate = 開啟或關閉擴充套件自動更新。
+
+policy-Handlers = 設定預設應用程式處理方式。
+
+policy-HardwareAcceleration = 若為 false，就會關閉硬體加速。
+
+policy-InstallAddonsPermission = 允許某些網站安裝附加元件。
+
+policy-LegacyProfiles = 停用「於每一套安裝使用不同設定檔」的功能。
+
+## Do not translate "SameSite", it's the name of a cookie attribute.
+
+policy-LegacySameSiteCookieBehaviorEnabled = 開啟預設傳統 SameSite cookie 行為設定。
+
+policy-LegacySameSiteCookieBehaviorEnabledForDomainList = 對指定的網站恢復傳統 SameSite cookie 行為。
+
+##
+
+policy-LocalFileLinks = 允許特定網站鏈結到本機檔案。
+
+policy-ManualAppUpdateOnly = 只允許手動更新，也不通知使用者已有更新推出。
+
+policy-NetworkPrediction = 開啟或關閉網路預測（DNS 預讀）功能。
+
+policy-OfferToSaveLogins = 強制允許 { -brand-short-name } 提供記住登入資訊與密碼的設定。true 與 false 設定都接受。
+
+policy-OfferToSaveLoginsDefault = 允許 { -brand-short-name } 提供記住儲存登入帳號與密碼的功能。true 與 false 值都接受。
+
+policy-OverrideFirstRunPage = 覆蓋「首次執行」頁面。若您想停用首次執行頁面，請將原則設為空白。
+
+policy-OverridePostUpdatePage = 覆蓋更新後會開啟的「有什麼新鮮事」頁面。若您想停用此頁面，請將原則設為空白。
+
+policy-PasswordManagerEnabled = 允許使用密碼管理員來儲存密碼。
+
+# PDF.js and PDF should not be translated
+policy-PDFjs = 停用或設定 { -brand-short-name } 內建的 PDF 閱讀器 PDF.js。
+
+policy-Permissions2 = 設定攝影機、麥克風、地理位置、通知、自動播放等權限。
+
+policy-Preferences = 鎖定部分偏好設定的內容。
+
+policy-PrimaryPassword = 要求使用或不允許使用主控密碼。
+
+policy-PromptForDownloadLocation = 下載檔案時，詢問要將檔案儲存至何處。
+
+policy-Proxy = 設定代理伺服器選項。
+
+policy-RequestedLocales = 為應用程式設定使用的語系清單順序。
+
+policy-SanitizeOnShutdown2 = 關閉程式時，清除上網資料。
+
+policy-SearchEngines = 調整搜尋引擎設定。此原則僅對 Extended Support Release（ESR）版本有效。
+
+policy-SearchSuggestEnabled = 啟用或停用搜尋建議。
+
+# For more information, see https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/PKCS11/Module_Installation
+policy-SecurityDevices = 安裝 PKCS #11 模組。
+
+policy-SSLVersionMax = 設定最大 SSL 版本。
+
+policy-SSLVersionMin = 設定最小 SSL 版本。
+
+policy-SupportMenu = 於說明選單內新增自訂的技術支援項目。
+
+policy-UserMessaging = 不要對使用者顯示某些訊息。
+
+# “format” refers to the format used for the value of this policy.
+policy-WebsiteFilter = 封鎖網站，不讓使用者開啟。請參考文件取得設定格式的詳細資料。
diff --git a/l10n-zh-TW/mail/messenger/preferences/am-copies.ftl b/l10n-zh-TW/mail/messenger/preferences/am-copies.ftl
new file mode 100644
index 0000000000..4662762486
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/am-copies.ftl
@@ -0,0 +1,5 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+account-prefs-show-address-row-description = 將收件地址欄位留空，即可在寫新郵件時總是顯示信箱地址。
diff --git a/l10n-zh-TW/mail/messenger/preferences/am-im.ftl b/l10n-zh-TW/mail/messenger/preferences/am-im.ftl
new file mode 100644
index 0000000000..508332db15
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/am-im.ftl
@@ -0,0 +1,23 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+account-settings-title = 驗證設定
+account-channel-title = 預設頻道
+
+chat-autologin =
+    .label = 啟動時登入
+
+chat-encryption-generic = 一般
+chat-encryption-log =
+    .label = 在對話紀錄當中包含端到端加密過的訊息
+chat-encryption-label = 原生端到端加密
+chat-encryption-description = { $protocol } 可對聊天訊息進行端到端加密，如此可以防止第三方竊聽對話內容。可能需要在下方進行更多設定才能開啟加密功能。
+chat-encryption-status = 加密狀態
+chat-encryption-placeholder = 加密機制尚未初始化。
+chat-encryption-sessions = 使用階段
+chat-encryption-sessions-description = 若需端到端加密功能能正常運作，必須信任目前登入您帳號的其他使用階段。必須與其他客戶端進行互動才能驗證該使用階段。驗證使用階段後，可能也會讓 { -brand-short-name } 信任於該階段中信任的所有階段。
+chat-encryption-session-verify = 驗證
+    .title = 驗證此階段中的身分
+chat-encryption-session-trusted = 受信任
+    .title = 此階段中的身分驗證無誤
diff --git a/l10n-zh-TW/mail/messenger/preferences/application-manager.ftl b/l10n-zh-TW/mail/messenger/preferences/application-manager.ftl
new file mode 100644
index 0000000000..e80e5144f6
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/application-manager.ftl
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+app-manager-window-dialog =
+    .title = 程式詳細資訊
+    .style = width: 30em; min-height: 20em;
+
+app-manager-window-dialog2 =
+    .title = 程式詳細資訊
+
+remove-app-button =
+    .label = 移除
+    .accesskey = R
diff --git a/l10n-zh-TW/mail/messenger/preferences/attachment-reminder.ftl b/l10n-zh-TW/mail/messenger/preferences/attachment-reminder.ftl
new file mode 100644
index 0000000000..0dcfb5b16f
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/attachment-reminder.ftl
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+attachment-reminder-window =
+    .title = 附件提醒關鍵字
+
+attachment-reminder-label = { -brand-short-name } 會在您建立的郵件中包含這些關鍵字並且未附加檔案時提醒您。
+
+keyword-new-button =
+    .label = 新增…
+    .accesskey = N
+
+keyword-edit-button =
+    .label = 編輯…
+    .accesskey = E
+
+keyword-remove-button =
+    .label = 刪除
+    .accesskey = D
+
+new-keyword-title = 新增關鍵字
+new-keyword-label = 關鍵字:
+
+edit-keyword-title = 編輯關鍵字
+edit-keyword-label = 關鍵字:
diff --git a/l10n-zh-TW/mail/messenger/preferences/colors.ftl b/l10n-zh-TW/mail/messenger/preferences/colors.ftl
new file mode 100644
index 0000000000..2b07d61bbf
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/colors.ftl
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+colors-dialog-window =
+    .title = 色彩
+    .style =
+        { PLATFORM() ->
+            [macos] width: 41em !important
+           *[other] width: 38em !important
+        }
+
+colors-dialog-window2 =
+    .title = 色彩
+
+colors-dialog-legend = 文字與背景
+
+text-color-label =
+    .value = 文字:
+    .accesskey = t
+
+background-color-label =
+    .value = 背景:
+    .accesskey = b
+
+use-system-colors =
+    .label = 使用系統色彩
+    .accesskey = s
+
+colors-link-legend = 鏈結色彩
+
+link-color-label =
+    .value = 未拜訪鏈結:
+    .accesskey = l
+
+visited-link-color-label =
+    .value = 已拜訪鏈結:
+    .accesskey = v
+
+underline-link-checkbox =
+    .label = 鏈結加底線
+    .accesskey = u
+
+override-color-label =
+    .value = 使用我在上面的選擇蓋過內容指定的色彩:
+    .accesskey = O
+
+override-color-always =
+    .label = 總是
+
+override-color-auto =
+    .label = 僅在使用高對比佈景主題時
+
+override-color-never =
+    .label = 永不
diff --git a/l10n-zh-TW/mail/messenger/preferences/connection.ftl b/l10n-zh-TW/mail/messenger/preferences/connection.ftl
new file mode 100644
index 0000000000..5d4ce62508
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/connection.ftl
@@ -0,0 +1,123 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+connection-dns-over-https-url-resolver = 使用供應商
+    .accesskey = r
+
+# Variables:
+#   $name (String) - Display name or URL for the DNS over HTTPS provider
+connection-dns-over-https-url-item-default =
+    .label = { $name }（預設）
+    .tooltiptext = 使用預設網址來解析 DNS over HTTPS
+
+connection-dns-over-https-url-custom =
+    .label = 自訂
+    .accesskey = C
+    .tooltiptext = 輸入您想要用來解析 DNS over HTTPS 的網址
+
+connection-dns-over-https-custom-label = 自訂
+
+connection-dialog-window =
+    .title = 連線設定
+    .style =
+        { PLATFORM() ->
+            [macos] width: 44em !important
+           *[other] width: 49em !important
+        }
+
+connection-dialog-window2 =
+    .title = 連線設定
+
+disable-extension-button = 停用擴充套件
+
+# Variables:
+#   $name (String) - The extension that is controlling the proxy settings.
+#
+# The extension-icon is the extension's icon, or a fallback image. It should be
+# purely decoration for the actual extension name, with alt="".
+proxy-settings-controlled-by-extension = 擴充套件「<img data-l10n-name="extension-icon" alt="" />{ $name }」正在控制您的 { -brand-short-name } 連線至網際網路的方式。
+
+connection-proxy-legend = 設定存取網際網路的代理伺服器 (Proxy)
+
+proxy-type-no =
+    .label = 不使用 Proxy
+    .accesskey = y
+
+proxy-type-wpad =
+    .label = 自動偵測此網路的 Proxy 設定
+    .accesskey = w
+
+proxy-type-system =
+    .label = 使用系統 Proxy 設定
+    .accesskey = U
+
+proxy-type-manual =
+    .label = 手動設定 Proxy:
+    .accesskey = M
+
+proxy-http-label =
+    .value = HTTP Proxy:
+    .accesskey = h
+
+http-port-label =
+    .value = Port:
+    .accesskey = p
+
+proxy-http-sharing =
+    .label = 也針對 HTTPS 連線使用此代理伺服器
+    .accesskey = x
+
+proxy-https-label =
+    .value = HTTPS Proxy:
+    .accesskey = S
+
+ssl-port-label =
+    .value = Port:
+    .accesskey = o
+
+proxy-socks-label =
+    .value = SOCKS 主機:
+    .accesskey = C
+
+socks-port-label =
+    .value = Port:
+    .accesskey = t
+
+proxy-socks4-label =
+    .label = SOCKS v4
+    .accesskey = k
+
+proxy-socks5-label =
+    .label = SOCKS v5
+    .accesskey = v
+
+proxy-type-auto =
+    .label = Proxy 自動設定網址:
+    .accesskey = A
+
+proxy-reload-label =
+    .label = 重新載入
+    .accesskey = l
+
+no-proxy-label =
+    .value = 直接連線:
+    .accesskey = N
+
+no-proxy-example = 範例: .mozilla.org, .net.tw, 192.168.1.0/24
+
+# Do not translate "localhost", "127.0.0.1/8" and "::1". (You can translate "and".)
+connection-proxy-noproxy-localhost-desc-2 = 與 localhost、127.0.0.1/8 與 ::1 的連線永遠不會經過代理伺服器。
+
+proxy-password-prompt =
+    .label = 若已儲存密碼則不要提示驗證
+    .accesskey = i
+    .tooltiptext = 勾選此選項後，若您已將密碼儲存起來，連線時就不會再詢問您密碼。驗證失敗後才會再向您詢問。
+
+proxy-remote-dns =
+    .label = 使用 SOCKS v5 時也代理 DNS 查詢
+    .accesskey = d
+
+proxy-enable-doh =
+    .label = 開啟 DNS over HTTPS
+    .accesskey = b
diff --git a/l10n-zh-TW/mail/messenger/preferences/cookies.ftl b/l10n-zh-TW/mail/messenger/preferences/cookies.ftl
new file mode 100644
index 0000000000..afbaec7357
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/cookies.ftl
@@ -0,0 +1,58 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+cookies-window-dialog =
+    .title = Cookie
+    .style = width: 36em;
+
+cookies-window-dialog2 =
+    .title = Cookie
+
+window-close-key =
+    .key = w
+
+window-focus-search-key =
+    .key = f
+
+window-focus-search-alt-key =
+    .key = k
+
+filter-search-label =
+    .value = 搜尋:
+    .accesskey = S
+
+cookies-on-system-label = 您的電腦中已儲存下列的 Cookie:
+
+treecol-site-header =
+    .label = 網站
+
+treecol-name-header =
+    .label = Cookie 名稱
+
+props-name-label =
+    .value = 名稱:
+props-value-label =
+    .value = 內容:
+props-domain-label =
+    .value = 主機:
+props-path-label =
+    .value = 路徑:
+props-secure-label =
+    .value = 送出:
+props-expires-label =
+    .value = 有效期限:
+props-container-label =
+    .value = 容器:
+
+remove-cookie-button =
+    .label = 刪除 Cookie
+    .accesskey = R
+
+remove-all-cookies-button =
+    .label = 刪除全部 Cookie
+    .accesskey = A
+
+cookie-close-button =
+    .label = 關閉
+    .accesskey = C
diff --git a/l10n-zh-TW/mail/messenger/preferences/dock-options.ftl b/l10n-zh-TW/mail/messenger/preferences/dock-options.ftl
new file mode 100644
index 0000000000..67cb401060
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/dock-options.ftl
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+dock-options-window-dialog =
+    .title = 應用程式圖示選項
+    .style = width: 35em;
+
+dock-options-window-dialog2 =
+    .title = 應用程式圖示選項
+
+dock-options-show-badge =
+    .label = 顯示徽章圖示
+    .accesskey = b
+
+bounce-system-dock-icon =
+    .label = 收到訊息時顯示應用程式圖示動畫
+    .accesskey = i
+
+dock-icon-legend = 應用程式標記圖像
+
+dock-icon-show-label =
+    .value = 在應用程式加上下列標記圖像:
+
+count-unread-messages-radio =
+    .label = 未讀訊息數
+    .accesskey = u
+
+count-new-messages-radio =
+    .label = 新訊息數量
+    .accesskey = n
+
+notification-settings-info2 = 您可以在系統設定的「通知」窗格停用標記圖像。
diff --git a/l10n-zh-TW/mail/messenger/preferences/fonts.ftl b/l10n-zh-TW/mail/messenger/preferences/fonts.ftl
new file mode 100644
index 0000000000..e3b2c74fb4
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/fonts.ftl
@@ -0,0 +1,151 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+fonts-window-close =
+    .key = w
+
+# Variables:
+#   $name {string, "Arial"} - Name of the default font
+fonts-label-default =
+    .label = 預設（{ $name }）
+fonts-label-default-unnamed =
+    .label = 預設
+
+fonts-encoding-dialog-title =
+    .title = 字型與字元編碼
+
+fonts-language-legend =
+    .value = 對應此種語言:
+    .accesskey = t
+
+fonts-proportional-label =
+    .value = 比例字型:
+    .accesskey = P
+
+## Languages
+
+# Note: Translate "Latin" as the name of Latin (Roman) script, not as the name of the Latin language.
+font-language-group-latin =
+    .label = 拉丁文
+font-language-group-japanese =
+    .label = 日文
+font-language-group-trad-chinese =
+    .label = 正體中文（繁體，臺灣）
+font-language-group-simpl-chinese =
+    .label = 簡體中文
+font-language-group-trad-chinese-hk =
+    .label = 正體中文（繁體，香港）
+font-language-group-korean =
+    .label = 韓文
+font-language-group-cyrillic =
+    .label = 俄文／西里爾文字
+font-language-group-el =
+    .label = 希臘文
+font-language-group-other =
+    .label = 其他文字系統
+font-language-group-thai =
+    .label = 泰文
+font-language-group-hebrew =
+    .label = 希伯來文
+font-language-group-arabic =
+    .label = 阿拉伯文
+font-language-group-devanagari =
+    .label = 天城體（梵文）
+font-language-group-tamil =
+    .label = 坦米爾文
+font-language-group-armenian =
+    .label = 亞美尼亞文
+font-language-group-bengali =
+    .label = 孟加拉文
+font-language-group-canadian =
+    .label = 加拿大統一音節字
+font-language-group-ethiopic =
+    .label = 衣索比亞文
+font-language-group-georgian =
+    .label = 喬治亞文
+font-language-group-gujarati =
+    .label = 古吉拉特文
+font-language-group-gurmukhi =
+    .label = 古魯穆奇字
+font-language-group-khmer =
+    .label = 高棉文
+font-language-group-malayalam =
+    .label = 馬拉亞拉姆文
+font-language-group-math =
+    .label = 數學方程式
+font-language-group-odia =
+    .label = 奧里亞文
+font-language-group-telugu =
+    .label = 泰盧固文
+font-language-group-kannada =
+    .label = 康納達文
+font-language-group-sinhala =
+    .label = 僧加羅文
+font-language-group-tibetan =
+    .label = 藏文
+
+## Default font type
+
+default-font-serif =
+    .label = 襯線字型 (Serif)
+
+default-font-sans-serif =
+    .label = 無襯線字型 (Sans Serif)
+
+font-size-proportional-label =
+    .value = 大小:
+    .accesskey = e
+
+font-size-monospace-label =
+    .value = 大小:
+    .accesskey = i
+
+font-serif-label =
+    .value = 襯線字型:
+    .accesskey = S
+
+font-sans-serif-label =
+    .value = 無襯線字型:
+    .accesskey = n
+
+font-monospace-label =
+    .value = 等寬字型:
+    .accesskey = M
+
+font-min-size-label =
+    .value = 最小字型大小:
+    .accesskey = z
+
+min-size-none =
+    .label = 無
+
+## Fonts in message
+
+font-control-legend = 字型控制
+
+use-document-fonts-checkbox =
+    .label = 允許郵件指定其它字型
+    .accesskey = o
+
+use-fixed-width-plain-checkbox =
+    .label = 純文字郵件使用等寬字型
+    .accesskey = x
+
+## Language settings
+
+text-encoding-legend = 文字編碼
+
+text-encoding-description = 指定收發郵件時的預設文字編碼
+
+font-outgoing-email-label =
+    .value = 外寄郵件:
+    .accesskey = u
+
+font-incoming-email-label =
+    .value = 收到的郵件:
+    .accesskey = I
+
+default-font-reply-checkbox =
+    .label = 可用時，在回信中使用預設文字編碼
+    .accesskey = h
diff --git a/l10n-zh-TW/mail/messenger/preferences/languages.ftl b/l10n-zh-TW/mail/messenger/preferences/languages.ftl
new file mode 100644
index 0000000000..5cdf14d790
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/languages.ftl
@@ -0,0 +1,48 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+languages-customize-moveup =
+    .label = 上移
+    .accesskey = U
+
+languages-customize-movedown =
+    .label = 下移
+    .accesskey = D
+
+languages-customize-remove =
+    .label = 移除
+    .accesskey = R
+
+languages-customize-select-language =
+    .placeholder = 選擇要新增的語言…
+
+languages-customize-add =
+    .label = 新增
+    .accesskey = A
+
+messenger-languages-window =
+    .title = { -brand-short-name } 語言設定
+    .style = width: 40em
+
+messenger-languages-window2 =
+    .title = { -brand-short-name } 語言設定
+
+messenger-languages-description = { -brand-short-name } 將會以第一種語言作為您的預設語言，並根據所選的順序在需要時顯示其他語言。
+
+messenger-languages-search = 搜尋更多語言…
+
+messenger-languages-searching =
+    .label = 正在搜尋語言…
+
+messenger-languages-downloading =
+    .label = 下載中…
+
+messenger-languages-select-language =
+    .label = 選擇要新增的語言…
+    .placeholder = 選擇要新增的語言…
+
+messenger-languages-installed-label = 已安裝的語言
+messenger-languages-available-label = 可用語言
+
+messenger-languages-error = { -brand-short-name } 目前無法更新您的語言套件。請確認您是否已連線至網際網路，或可再試一次。
diff --git a/l10n-zh-TW/mail/messenger/preferences/new-tag.ftl b/l10n-zh-TW/mail/messenger/preferences/new-tag.ftl
new file mode 100644
index 0000000000..f29bf42c56
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/new-tag.ftl
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+tag-dialog-window =
+    .title = 新增標籤
+
+tag-name-label =
+    .value = 標籤名稱:
+    .accesskey = T
+
+tag-color-label =
+    .value = 色彩:
+    .accesskey = C
diff --git a/l10n-zh-TW/mail/messenger/preferences/notifications.ftl b/l10n-zh-TW/mail/messenger/preferences/notifications.ftl
new file mode 100644
index 0000000000..2028689393
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/notifications.ftl
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+notifications-dialog-window =
+    .title = 自訂新郵件提示
+
+customize-alert-description = 選擇要顯示的提示欄位:
+
+preview-text-checkbox =
+    .label = 郵件預覽文字
+    .accesskey = M
+
+subject-checkbox =
+    .label = 主旨
+    .accesskey = S
+
+sender-checkbox =
+    .label = 寄件者
+    .accesskey = e
+
+## Note: open-time-label-before is displayed first, then there's a field where
+## the user can enter a number, and open-time-label-after is displayed at the end
+## of the line. The translations of the open-time-label-before and open-time-label-after
+## parts don't have to mean the exact same thing as in English; please try instead
+## to translate the whole sentence.
+
+open-time-label-before =
+    .value = 顯示新郵件通知
+    .accesskey = N
+
+open-time-label-after =
+    .value = 秒
diff --git a/l10n-zh-TW/mail/messenger/preferences/offline.ftl b/l10n-zh-TW/mail/messenger/preferences/offline.ftl
new file mode 100644
index 0000000000..0d1a3379c3
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/offline.ftl
@@ -0,0 +1,56 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+offline-dialog-window =
+    .title = 離線模式設定
+
+autodetect-online-label =
+    .label = 自動使用偵測到的連線狀態
+    .accesskey = d
+
+offline-preference-startup-label = 啟動時手動指定狀態:
+
+status-radio-remember =
+    .label = 記住之前的連線狀態
+    .accesskey = R
+
+status-radio-ask =
+    .label = 詢問我的連線狀態
+    .accesskey = k
+
+status-radio-always-online =
+    .label = 啟動時總是使用連線模式
+    .accesskey = l
+
+status-radio-always-offline =
+    .label = 離線
+    .accesskey = f
+
+going-online-label = 當切換到連線模式時寄出未寄郵件？
+
+going-online-auto =
+    .label = 是
+    .accesskey = Y
+
+going-online-not =
+    .label = 不使用
+    .accesskey = N
+
+going-online-ask =
+    .label = 詢問我
+    .accesskey = s
+
+going-offline-label = 當切換到離線模式時自動下載郵件以供離線閱讀？
+
+going-offline-auto =
+    .label = 是
+    .accesskey = e
+
+going-offline-not =
+    .label = 不使用
+    .accesskey = o
+
+going-offline-ask =
+    .label = 詢問我
+    .accesskey = A
diff --git a/l10n-zh-TW/mail/messenger/preferences/passwordManager.ftl b/l10n-zh-TW/mail/messenger/preferences/passwordManager.ftl
new file mode 100644
index 0000000000..489c73a40d
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/passwordManager.ftl
@@ -0,0 +1,86 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+saved-logins =
+    .title = 儲存的登入資訊
+window-close =
+    .key = w
+focus-search-primary-shortcut =
+    .key = f
+focus-search-alt-shortcut =
+    .key = k
+copy-provider-url-cmd =
+    .label = 複製網址
+    .accesskey = y
+copy-username-cmd =
+    .label = 複製使用者名稱
+    .accesskey = U
+edit-username-cmd =
+    .label = 編輯帳號
+    .accesskey = d
+copy-password-cmd =
+    .label = 複製密碼
+    .accesskey = C
+edit-password-cmd =
+    .label = 編輯密碼
+    .accesskey = E
+search-filter =
+    .accesskey = S
+    .placeholder = 搜尋
+column-heading-provider =
+    .label = 提供者
+column-heading-username =
+    .label = 使用者名稱
+column-heading-password =
+    .label = 密碼
+column-heading-time-created =
+    .label = 第一次使用
+column-heading-time-last-used =
+    .label = 上次使用
+column-heading-time-password-changed =
+    .label = 上次變更
+column-heading-times-used =
+    .label = 使用次數
+remove =
+    .label = 移除
+    .accesskey = R
+import =
+    .label = 匯入…
+    .accesskey = I
+
+password-close-button =
+    .label = 關閉
+    .accesskey = C
+
+show-passwords =
+    .label = 顯示密碼
+    .accesskey = P
+hide-passwords =
+    .label = 隱藏密碼
+    .accesskey = P
+logins-description-all = 您的電腦上儲存了下列提供者的登入資訊
+logins-description-filtered = 下列登入資訊符合您的搜尋:
+remove-all =
+    .label = 移除全部
+    .accesskey = A
+remove-all-shown =
+    .label = 移除全部顯示項目
+    .accesskey = A
+remove-all-passwords-prompt = 您確定要刪除所有密碼嗎？
+remove-all-passwords-title = 刪除所有密碼
+no-master-password-prompt = 您確定要顯示密碼嗎？
+
+## OS Authentication dialog
+
+# This message can be seen by trying to show or copy the passwords.
+password-os-auth-dialog-message = 確認您的身分以顯示儲存的網站密碼。
+
+# This message can be seen by trying to show or copy the passwords.
+# The macOS strings are preceded by the operating system with "Thunderbird is trying to "
+# and includes subtitle of "Enter password for the user "xxx" to allow this." These
+# notes are only valid for English. Please test in your locale.
+password-os-auth-dialog-message-macosx = 顯示儲存的網站密碼
+
+# Don't change this label.
+password-os-auth-dialog-caption = { -brand-full-name }
diff --git a/l10n-zh-TW/mail/messenger/preferences/permissions.ftl b/l10n-zh-TW/mail/messenger/preferences/permissions.ftl
new file mode 100644
index 0000000000..b4d0675dec
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/permissions.ftl
@@ -0,0 +1,59 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+permissions-reminder-window =
+    .title = 例外網站
+    .style = width: 45em;
+
+permissions-reminder-window2 =
+    .title = 例外
+
+permission-preferences-close-window =
+    .key = w
+
+website-address-label =
+    .value = 網站網址:
+    .accesskey = d
+
+block-button =
+    .label = 封鎖
+    .accesskey = B
+
+allow-session-button =
+    .label = 此次瀏覽階段允許
+    .accesskey = S
+
+allow-button =
+    .label = 允許
+    .accesskey = A
+
+treehead-sitename-label =
+    .label = 網站
+
+treehead-status-label =
+    .label = 狀態
+
+remove-site-button =
+    .label = 移除網站
+    .accesskey = R
+
+remove-all-site-button =
+    .label = 移除全部網站
+    .accesskey = e
+
+cancel-button =
+    .label = 取消
+    .accesskey = C
+
+save-button =
+    .label = 儲存變更
+    .accesskey = S
+
+permission-can-label = 允許
+permission-can-access-first-party-label = 僅允許第一方
+permission-can-session-label = 此次瀏覽階段允許
+permission-cannot-label = 封鎖
+
+invalid-uri-message = 請輸入正確的主機名稱
+invalid-uri-title = 輸入的主機名稱不正確
diff --git a/l10n-zh-TW/mail/messenger/preferences/preferences.ftl b/l10n-zh-TW/mail/messenger/preferences/preferences.ftl
new file mode 100644
index 0000000000..9363132827
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/preferences.ftl
@@ -0,0 +1,932 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+close-button =
+    .aria-label = 關閉
+
+preferences-doc-title2 = 設定
+
+category-list =
+    .aria-label = 分類
+
+pane-general-title = 一般
+category-general =
+    .tooltiptext = { pane-general-title }
+
+pane-compose-title = 編輯
+category-compose =
+    .tooltiptext = 編輯
+
+pane-privacy-title = 隱私權與安全性
+category-privacy =
+    .tooltiptext = 隱私權與安全性
+
+pane-chat-title = 聊天
+category-chat =
+    .tooltiptext = 聊天
+
+pane-calendar-title = 行事曆
+category-calendar =
+    .tooltiptext = 行事曆
+
+general-language-and-appearance-header = 語言與外觀
+
+general-incoming-mail-header = 收到的郵件
+
+general-files-and-attachment-header = 檔案與附件
+
+general-tags-header = 標籤
+
+general-reading-and-display-header = 閱讀與顯示
+
+general-updates-header = 更新
+
+general-network-and-diskspace-header = 網路與磁碟空間
+
+general-indexing-label = 索引
+
+composition-category-header = 編輯
+
+composition-attachments-header = 附件
+
+composition-spelling-title = 拼字檢查
+
+compose-html-style-title = HTML 樣式
+
+composition-addressing-header = 地址
+
+privacy-main-header = 隱私權
+
+privacy-passwords-header = 密碼
+
+privacy-junk-header = 垃圾郵件
+
+collection-header = { -brand-short-name } 資料收集與使用
+
+collection-description = 我們致力於提供您選擇，也只會收集我們在提供與改善 { -brand-short-name } 時所必需的資料。我們也一定會經過您的同意才收集您的個人資訊。
+collection-privacy-notice = 隱私權公告
+
+collection-health-report-telemetry-disabled = 將不再允許 { -vendor-short-name } 捕捉技術與互動資料，之前收集的資料將於 30 天內刪除。
+collection-health-report-telemetry-disabled-link = 了解更多
+
+collection-health-report =
+    .label = 允許 { -brand-short-name } 傳送技術與互動資料給 { -vendor-short-name }
+    .accesskey = r
+collection-health-report-link = 了解更多
+
+# This message is displayed above disabled data sharing options in developer builds
+# or builds with no Telemetry support available.
+collection-health-report-disabled = 進行編譯設定時，已停用了資料回報功能
+
+collection-backlogged-crash-reports =
+    .label = 允許 { -brand-short-name } 為您傳送先前紀錄下的錯誤報告
+    .accesskey = c
+collection-backlogged-crash-reports-link = 了解更多
+
+privacy-security-header = 安全性
+
+privacy-scam-detection-title = 詐騙信偵測
+
+privacy-anti-virus-title = 防毒
+
+privacy-certificates-title = 憑證
+
+chat-pane-header = 聊天
+
+chat-status-title = 狀態
+
+chat-notifications-title = 通知
+
+chat-pane-styling-header = 樣式
+
+choose-messenger-language-description = 請選擇 { -brand-short-name } 要用來顯示選單、介面訊息以及通知內容的語言。
+manage-messenger-languages-button =
+    .label = 設定其他語言…
+    .accesskey = l
+confirm-messenger-language-change-description = 重新啟動 { -brand-short-name } 來套用變更
+confirm-messenger-language-change-button = 套用並重新啟動
+
+update-setting-write-failure-title = 儲存更新偏好設定時發生錯誤
+
+# Variables:
+#   $path (String) - Path to the configuration file
+# The newlines between the main text and the line containing the path is
+# intentional so the path is easier to identify.
+update-setting-write-failure-message =
+    { -brand-short-name } 遇到錯誤，並未儲存此變更。請注意: 調整此更新偏好設定，需要能夠寫入下列檔案的權限。您或您的系統管理員可以透過授予使用者此檔案的完整控制權，來解決本問題。
+    
+    無法寫入下列檔案: { $path }
+
+update-in-progress-title = 更新中
+
+update-in-progress-message = 您希望 { -brand-short-name } 使用此更新繼續嗎？
+
+update-in-progress-ok-button = 捨棄 (&D)
+# Continue is the cancel button so pressing escape or using a platform standard
+# method of closing the UI will not discard the update.
+update-in-progress-cancel-button = 繼續 (&C)
+
+account-button = 帳號設定
+open-addons-sidebar-button = 附加元件與佈景主題
+
+## OS Authentication dialog
+
+# This message can be seen by trying to add a Primary Password.
+primary-password-os-auth-dialog-message-win = 請在下方輸入您的 Windows 登入帳號密碼才能建立主控密碼。這個動作是為了保護您的登入資訊安全。
+
+# This message can be seen by trying to add a Primary Password.
+# The macOS strings are preceded by the operating system with "Thunderbird is trying to "
+# and includes subtitle of "Enter password for the user "xxx" to allow this." These
+# notes are only valid for English. Please test in your locale.
+primary-password-os-auth-dialog-message-macosx = 建立主控密碼
+
+# Don't change this label.
+master-password-os-auth-dialog-caption = { -brand-full-name }
+
+## General Tab
+
+focus-search-shortcut =
+    .key = f
+focus-search-shortcut-alt =
+    .key = k
+
+general-legend = { -brand-short-name } 開始頁
+
+start-page-label =
+    .label = 當啟動 { -brand-short-name } 時，在郵件區顯示開始頁
+    .accesskey = W
+
+location-label =
+    .value = 位置:
+    .accesskey = o
+restore-default-label =
+    .label = 回復預設值
+    .accesskey = R
+
+default-search-engine = 預設搜尋引擎
+add-web-search-engine =
+    .label = 新增…
+    .accesskey = A
+remove-search-engine =
+    .label = 移除
+    .accesskey = v
+
+add-opensearch-provider-title = 新增 OpenSearch 搜尋引擎
+add-opensearch-provider-text = 請輸入要新增的 OpenSearch 搜尋引擎網址。可使用 OpenSearch 描述檔的網址，或是該引擎的自動探索網址。
+
+adding-opensearch-provider-failed-title = OpenSearch 搜尋引擎新增失敗
+adding-opensearch-provider-failed-text = 無法新增 { $url } 的 OpenSearch 搜尋引擎。
+
+minimize-to-tray-label =
+    .label = 最小化 { -brand-short-name } 時，移動到工具列
+    .accesskey = m
+
+new-message-arrival = 當有新郵件時:
+mail-play-sound-label =
+    .label =
+        { PLATFORM() ->
+            [macos] 播放下列音效檔案:
+           *[other] 播放音效
+        }
+    .accesskey =
+        { PLATFORM() ->
+            [macos] d
+           *[other] d
+        }
+mail-play-button =
+    .label = 播放
+    .accesskey = P
+
+change-dock-icon = 修改應用程式圖示的偏好設定
+app-icon-options =
+    .label = 應用程式圖示選項…
+    .accesskey = n
+
+notification-settings2 = 可在系統設定的「通知」窗格中關閉警示與預設音效。
+
+animated-alert-label =
+    .label = 顯示警告視窗
+    .accesskey = S
+customize-alert-label =
+    .label = 自訂…
+    .accesskey = C
+
+biff-use-system-alert =
+    .label = 使用系統通知
+
+tray-icon-unread-label =
+    .label = 有未讀訊息時，在工作列顯示圖示
+    .accesskey = t
+
+tray-icon-unread-description = 建議在使用小型工作列按鈕時開啟此設定
+
+mail-system-sound-label =
+    .label = 系統預設「收到新郵件」音效
+    .accesskey = D
+mail-custom-sound-label =
+    .label = 使用下列音效檔案
+    .accesskey = U
+mail-browse-sound-button =
+    .label = 瀏覽…
+    .accesskey = B
+
+enable-gloda-search-label =
+    .label = 開啟全域搜尋與索引器
+    .accesskey = E
+
+datetime-formatting-legend = 日期與時間格式
+language-selector-legend = 語言
+
+allow-hw-accel =
+    .label = 可用時開啟硬體加速
+    .accesskey = h
+
+store-type-label =
+    .value = 新帳號的訊息儲存方式:
+    .accesskey = T
+
+mbox-store-label =
+    .label = 為每個信件匣建立一個檔案（mbox）
+maildir-store-label =
+    .label = 為每封訊息建立檔案（maildir）
+
+scrolling-legend = 捲動
+autoscroll-label =
+    .label = 使用自動捲動
+    .accesskey = U
+smooth-scrolling-label =
+    .label = 使用平滑捲動
+    .accesskey = m
+browsing-gtk-use-non-overlay-scrollbars =
+    .label = 總是顯示捲動列
+    .accesskey = c
+
+system-integration-legend = 系統整合
+always-check-default =
+    .label = 每次啟動時檢查 { -brand-short-name } 是否為預設電子郵件用戶端
+    .accesskey = a
+check-default-button =
+    .label = 立刻檢查…
+    .accesskey = N
+
+# Note: This is the search engine name for all the different platforms.
+# Platforms that don't support it should be left blank.
+search-engine-name =
+    { PLATFORM() ->
+        [macos] Spotlight
+        [windows] Windows 搜尋
+       *[other] { "" }
+    }
+
+search-integration-label =
+    .label = 允許 { search-engine-name } 搜尋訊息
+    .accesskey = s
+
+config-editor-button =
+    .label = 設定編輯器…
+    .accesskey = C
+
+return-receipts-description = 決定 { -brand-short-name } 要如何處理收件回執
+return-receipts-button =
+    .label = 收件回執…
+    .accesskey = R
+
+update-app-legend = { -brand-short-name } 更新
+
+# Variables:
+#   $version (String): version of Thunderbird, e.g. 68.0.1
+update-app-version = { $version } 版
+
+allow-description = 讓 { -brand-short-name }:
+automatic-updates-label =
+    .label = 自動安裝更新（建議的，保持安全性）
+    .accesskey = A
+check-updates-label =
+    .label = 自動檢查更新，但讓我選擇要不要安裝
+    .accesskey = C
+
+update-history-button =
+    .label = 顯示更新記錄
+    .accesskey = p
+
+use-service =
+    .label = 在背景服務當中安裝更新
+    .accesskey = b
+
+cross-user-udpate-warning = 此設定將套用到本電腦上的所有 Windows 帳號及此份 { -brand-short-name } 的所有 { -brand-short-name } 設定檔。
+
+networking-legend = 連線
+proxy-config-description = 設定 { -brand-short-name } 要如何連到網路
+
+network-settings-button =
+    .label = 設定…
+    .accesskey = S
+
+offline-legend = 離線模式
+offline-settings = 離線模式設定
+
+offline-settings-button =
+    .label = 離線模式…
+    .accesskey = O
+
+diskspace-legend = 磁碟空間
+offline-compact-folder =
+    .label = 在可以節省超過
+    .accesskey = a
+
+offline-compact-folder-automatically =
+    .label = 每次壓實重整前都先問我
+    .accesskey = b
+
+compact-folder-size =
+    .value = MB 時壓實重整所有郵件匣
+
+## Note: The entities use-cache-before and use-cache-after appear on a single
+## line in preferences as follows:
+## use-cache-before [ textbox for cache size in MB ] use-cache-after
+
+use-cache-before =
+    .value = 最多使用
+    .accesskey = U
+
+use-cache-after = MB 磁碟空間存放快取資料
+
+##
+
+smart-cache-label =
+    .label = 停用自動快取管理
+    .accesskey = v
+
+clear-cache-button =
+    .label = 立刻清除
+    .accesskey = C
+
+fonts-legend = 字型與色彩
+
+default-font-label =
+    .value = 預設字型:
+    .accesskey = D
+
+default-size-label =
+    .value = 大小:
+    .accesskey = S
+
+font-options-button =
+    .label = 進階…
+    .accesskey = A
+
+color-options-button =
+    .label = 色彩…
+    .accesskey = C
+
+display-width-legend = 純文字郵件
+
+# Note : convert-emoticons-label 'Emoticons' are also known as 'Smileys', e.g. :-)
+convert-emoticons-label =
+    .label = 顯示表情符號圖片
+    .accesskey = e
+
+display-text-label = 顯示引用的純文字郵件時:
+
+style-label =
+    .value = 樣式:
+    .accesskey = y
+
+regular-style-item =
+    .label = 正常
+bold-style-item =
+    .label = 粗體字
+italic-style-item =
+    .label = 斜體字
+bold-italic-style-item =
+    .label = 粗斜體
+
+size-label =
+    .value = 大小:
+    .accesskey = z
+
+regular-size-item =
+    .label = 正常
+bigger-size-item =
+    .label = 增大
+smaller-size-item =
+    .label = 減少
+
+quoted-text-color =
+    .label = 色彩:
+    .accesskey = o
+
+search-handler-table =
+    .placeholder = 篩選內容類型與動作
+
+type-column-header = 內容類型
+
+action-column-header = 動作
+
+save-to-label =
+    .label = 儲存檔案到
+    .accesskey = S
+
+choose-folder-label =
+    .label =
+        { PLATFORM() ->
+            [macos] 選擇…
+           *[other] 瀏覽…
+        }
+    .accesskey =
+        { PLATFORM() ->
+            [macos] C
+           *[other] B
+        }
+
+always-ask-label =
+    .label = 每次都問我要存到何處
+    .accesskey = A
+
+
+display-tags-text = 標籤可以用來分類或排出郵件的優先順序。
+
+new-tag-button =
+    .label = 新增…
+    .accesskey = N
+
+edit-tag-button =
+    .label = 編輯…
+    .accesskey = E
+
+delete-tag-button =
+    .label = 刪除
+    .accesskey = D
+
+auto-mark-as-read =
+    .label = 自動將郵件標示為已讀
+    .accesskey = A
+
+mark-read-no-delay =
+    .label = 顯示時立刻標示
+    .accesskey = o
+
+view-attachments-inline =
+    .label = 在行內檢視附件
+    .accesskey = V
+
+## Note: This will concatenate to "After displaying for [___] seconds",
+## using (mark-read-delay) and a number (seconds-label).
+
+mark-read-delay =
+    .label = 在顯示
+    .accesskey = d
+
+seconds-label = 秒之後
+
+##
+
+open-msg-label =
+    .value = 開啟郵件於:
+
+open-msg-tab =
+    .label = 新分頁
+    .accesskey = t
+
+open-msg-window =
+    .label = 新視窗
+    .accesskey = n
+
+open-msg-ex-window =
+    .label = 重複使用已存在的視窗
+    .accesskey = e
+
+close-move-delete =
+    .label = 在移動或刪除郵件時關閉訊息視窗/分頁
+    .accesskey = C
+
+display-name-label =
+    .value = 顯示名稱:
+
+condensed-addresses-label =
+    .label = 顯示通訊錄裡設定的名字
+    .accesskey = S
+
+## Compose Tab
+
+forward-label =
+    .value = 轉寄郵件時:
+    .accesskey = F
+
+inline-label =
+    .label = 引入內文
+
+as-attachment-label =
+    .label = 以附件轉寄
+
+extension-label =
+    .label = 加入副檔名
+    .accesskey = e
+
+## Note: This will concatenate to "Auto Save every [___] minutes",
+## using (auto-save-label) and a number (auto-save-end).
+
+auto-save-label =
+    .label = 每隔
+    .accesskey = A
+
+auto-save-end = 分鐘自動儲存
+
+##
+
+warn-on-send-accel-key =
+    .label = 用快速鍵發送郵件時需要確認
+    .accesskey = C
+
+add-link-previews =
+    .label = 貼上網址時加入鏈結預覽
+    .accesskey = i
+
+spellcheck-label =
+    .label = 寄送前先檢查拼字
+    .accesskey = C
+
+spellcheck-inline-label =
+    .label = 啟用拼字檢查
+    .accesskey = E
+
+language-popup-label =
+    .value = 語言:
+    .accesskey = L
+
+download-dictionaries-link = 下載其他字典
+
+font-label =
+    .value = 字型:
+    .accesskey = n
+
+font-size-label =
+    .value = 大小:
+    .accesskey = z
+
+default-colors-label =
+    .label = 使用閱讀器的預設色彩
+    .accesskey = d
+
+font-color-label =
+    .value = 文字色彩:
+    .accesskey = T
+
+bg-color-label =
+    .value = 背景色彩:
+    .accesskey = B
+
+restore-html-label =
+    .label = 回復為預設值
+    .accesskey = R
+
+default-format-label =
+    .label = 預設使用段落模式而非內文
+    .accesskey = P
+
+compose-send-format-title = 寄件格式
+
+compose-send-automatic-option =
+    .label = 自動
+
+compose-send-automatic-description = 若訊息內容未使用樣式，可用純文字格式寄出，否則建議同時寄出 HTML 與純文字格式，在無法顯示 HTML 內容時將改用純文字顯示。
+
+compose-send-both-option =
+    .label = 同時寄出 HTML 與純文字
+
+compose-send-both-description = 收件者的電子郵件應用程式會自動決定要顯示哪個版本。
+
+compose-send-html-option =
+    .label = 僅 HTML
+
+compose-send-html-description = 沒有同時寄出純文字格式的話，某些收件者可能無法閱讀。
+
+compose-send-plain-option =
+    .label = 僅純文字
+
+compose-send-plain-description = 某些樣式將轉換為替代的純文字格式；其餘樣式將被清除。
+
+autocomplete-description = 使用下列功能以加速尋找符合的收件者:
+
+ab-label =
+    .label = 使用自動完成收件者 Email 功能
+    .accesskey = l
+
+directories-label =
+    .label = 目錄伺服器:
+    .accesskey = D
+
+directories-none-label =
+    .none = 無
+
+edit-directories-label =
+    .label = 編輯目錄…
+    .accesskey = E
+
+email-picker-label =
+    .label = 自動把寄信時使用的電子郵件地址加到我的:
+    .accesskey = A
+
+default-directory-label =
+    .value = 通訊錄視窗開啟時的預設目錄:
+    .accesskey = S
+
+default-last-label =
+    .none = 最近使用的目錄
+
+attachment-label =
+    .label = 檢查忘記加入的附件
+    .accesskey = m
+
+attachment-options-label =
+    .label = 關鍵字…
+    .accesskey = K
+
+enable-cloud-share =
+    .label = 檔案超過一定大小時使用雲端鏈結服務:
+cloud-share-size =
+    .value = MB
+
+add-cloud-account =
+    .label = 新增…
+    .accesskey = A
+    .defaultlabel = 新增…
+
+remove-cloud-account =
+    .label = 移除
+    .accesskey = R
+
+find-cloud-providers =
+    .value = 尋找更多供應商…
+
+cloud-account-description = 新增雲端檔案鏈結儲存服務
+
+## Privacy Tab
+
+mail-content = 郵件內容
+
+remote-content-label =
+    .label = 允許在訊息中顯示遠端內容
+    .accesskey = m
+
+exceptions-button =
+    .label = 例外網站…
+    .accesskey = E
+
+remote-content-info =
+    .value = 了解更多遠端內容的隱私風險
+
+web-content = 網站內容
+
+history-label =
+    .label = 記住我開啟過的網站與鏈結
+    .accesskey = R
+
+cookies-label =
+    .label = 允許網站設定 Cookie
+    .accesskey = A
+
+third-party-label =
+    .value = 接受來自第三方的 Cookies:
+    .accesskey = c
+
+third-party-always =
+    .label = 總是
+third-party-never =
+    .label = 永不
+third-party-visited =
+    .label = 造訪過的網站
+
+keep-label =
+    .value = 保留 Cookie 直到:
+    .accesskey = K
+
+keep-expire =
+    .label = Cookie 過期
+keep-close =
+    .label = 關閉 { -brand-short-name }
+keep-ask =
+    .label = 每次都詢問我
+
+cookies-button =
+    .label = 顯示 Cookie…
+    .accesskey = S
+
+do-not-track-label =
+    .label = 傳送「Do Not Track」訊號，告訴網站您不想被追蹤
+    .accesskey = n
+
+learn-button =
+    .label = 了解更多
+
+passwords-description = { -brand-short-name } 可以幫您記住所有帳號的密碼。
+
+passwords-button =
+    .label = 已存密碼…
+    .accesskey = S
+
+primary-password-description = 主控密碼可以保護您的密碼，但在每次使用瀏覽器時都必須輸入一次。
+
+primary-password-label =
+    .label = 使用主控密碼
+    .accesskey = U
+
+primary-password-button =
+    .label = 變更主控密碼…
+    .accesskey = C
+
+forms-primary-pw-fips-title = 您目前使用 FIPS 模式。FIPS 模式需要有主控密碼。
+forms-master-pw-fips-desc = 密碼變更失敗
+
+
+junk-description = 設定您的預設垃圾郵件處理方式。可以到「帳號設定」調整各個帳號自己的處理方式。
+
+junk-label =
+    .label = 當標示郵件為垃圾信時:
+    .accesskey = W
+
+junk-move-label =
+    .label = 移動到該帳號的「垃圾郵件」資料夾
+    .accesskey = o
+
+junk-delete-label =
+    .label = 刪除它
+    .accesskey = D
+
+junk-read-label =
+    .label = 標示垃圾郵件為已讀
+    .accesskey = M
+
+junk-log-label =
+    .label = 啟用漸進式垃圾郵件過濾記錄
+    .accesskey = E
+
+junk-log-button =
+    .label = 顯示記錄
+    .accesskey = S
+
+reset-junk-button =
+    .label = 重設訓練資料
+    .accesskey = R
+
+phishing-description = { -brand-short-name } 可以分析詐騙郵件常用的手法找出可疑的郵件。
+
+phishing-label =
+    .label = 當我閱讀可能是詐騙信的郵件時告訴我
+    .accesskey = T
+
+antivirus-description = { -brand-short-name } 可讓防毒軟體在郵件存入電腦前檢查郵件是否有問題。
+
+antivirus-label =
+    .label = 允許防毒軟體個別處理與檢查新郵件
+    .accesskey = A
+
+certificate-description = 當伺服器要求我的個人憑證時:
+
+certificate-auto =
+    .label = 自動選擇一組憑證
+    .accesskey = m
+
+certificate-ask =
+    .label = 每次都詢問我
+    .accesskey = A
+
+ocsp-label =
+    .label = 向 OCSP 回應伺服器查詢，以確認憑證有效性
+    .accesskey = Q
+
+certificate-button =
+    .label = 管理憑證…
+    .accesskey = M
+
+security-devices-button =
+    .label = 安全性裝置…
+    .accesskey = D
+
+## Chat Tab
+
+startup-label =
+    .value = 當 { -brand-short-name } 啟動時:
+    .accesskey = S
+
+offline-label =
+    .label = 保持我的聊天帳號離線
+
+auto-connect-label =
+    .label = 自動連線到我的聊天帳號
+
+## Note: idle-label is displayed first, then there's a field where the user
+## can enter a number, and itemTime is displayed at the end of the line.
+## The translations of the idle-label and idle-time-label parts don't have
+## to mean the exact same thing as in English; please try instead to
+## translate the whole sentence.
+
+idle-label =
+    .label = 讓我的聯絡人在超過
+    .accesskey = I
+
+idle-time-label = 分鐘沒有使用後知道我正在閒置
+
+##
+
+away-message-label =
+    .label = 並將我的狀態設定為不在電腦前，且加上此狀態訊息:
+    .accesskey = a
+
+send-typing-label =
+    .label = 在對話中傳送正在輸入的通知
+    .accesskey = t
+
+notification-label = 收到只傳給您的私訊時:
+
+show-notification-label =
+    .label = 顯示通知:
+    .accesskey = c
+
+notification-all =
+    .label = 包含寄件者名稱與訊息預覽
+notification-name =
+    .label = 只有寄件者名稱
+notification-empty =
+    .label = 不顯示任何資訊
+
+notification-type-label =
+    .label =
+        { PLATFORM() ->
+            [macos] 在 dock 圖示顯示動畫
+           *[other] 閃爍工具列項目
+        }
+    .accesskey =
+        { PLATFORM() ->
+            [macos] o
+           *[other] F
+        }
+
+chat-play-sound-label =
+    .label = 播放音效
+    .accesskey = d
+
+chat-play-button =
+    .label = 播放
+    .accesskey = P
+
+chat-system-sound-label =
+    .label = 系統預設「收到新郵件」音效
+    .accesskey = D
+
+chat-custom-sound-label =
+    .label = 使用下列音效檔案
+    .accesskey = U
+
+chat-browse-sound-button =
+    .label = 瀏覽…
+    .accesskey = B
+
+theme-label =
+    .value = 佈景主題:
+    .accesskey = T
+
+style-mail =
+    .label = { -brand-short-name }
+style-bubbles =
+    .label = 泡泡
+style-dark =
+    .label = 暗色
+style-paper =
+    .label = 紙張
+style-simple =
+    .label = 簡單
+
+preview-label = 預覽:
+no-preview-label = 沒有可用預覽
+no-preview-description = 此佈景主題無效，或無法使用（停用了附加元件、處於安全模式等等）。
+
+chat-variant-label =
+    .value = 設計風格:
+    .accesskey = V
+
+# This is used to determine the width of the search field in about:preferences,
+# in order to make the entire placeholder string visible
+#
+# Please keep the placeholder string short to avoid truncation.
+#
+# Notice: The value of the `.style` attribute is a CSS string, and the `width`
+# is the name of the CSS property. It is intended only to adjust the element's width.
+# Do not translate.
+search-preferences-input2 =
+    .style = width: 15.4em
+    .placeholder = 搜尋選項
+
+## Settings UI Search Results
+
+search-results-header = 搜尋結果
+
+# `<span data-l10n-name="query"></span>` will be replaced by the search term.
+search-results-empty-message2 =
+    { PLATFORM() ->
+        [windows] 抱歉！沒有「<span data-l10n-name="query"></span>」的選項搜尋結果。
+       *[other] 抱歉！沒有「<span data-l10n-name="query"></span>」的設定搜尋結果。
+    }
+
+search-results-help-link = 需要幫忙嗎？請到 <a data-l10n-name="url">{ -brand-short-name } 技術支援</a>
diff --git a/l10n-zh-TW/mail/messenger/preferences/receipts.ftl b/l10n-zh-TW/mail/messenger/preferences/receipts.ftl
new file mode 100644
index 0000000000..c5528917a8
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/receipts.ftl
@@ -0,0 +1,51 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+receipts-dialog-window =
+    .title = 收件回執
+
+return-receipt-checkbox-control =
+    .label = 寄送郵件時一律要求收件回執
+    .accesskey = W
+
+receipt-arrive-label = 收到回執時:
+
+receipt-leave-radio-control =
+    .label = 留在「收件匣」中
+    .accesskey = i
+
+receipt-move-radio-control =
+    .label = 移到「寄件備份」匣
+    .accesskey = m
+
+receipt-request-label = 收到要求收件回執的郵件時:
+
+receipt-return-never-radio-control =
+    .label = 一律不寄出回執
+    .accesskey = n
+
+receipt-return-some-radio-control =
+    .label = 依下列設定決定是否寄出回執
+    .accesskey = r
+
+receipt-not-to-cc-label =
+    .value = 如果我不是郵件的收件者或副本收件者:
+    .accesskey = r
+
+receipt-send-never-label =
+    .label = 不要寄出
+
+receipt-send-always-label =
+    .label = 一律寄出
+
+receipt-send-ask-label =
+    .label = 詢問我
+
+sender-outside-domain-label =
+    .value = 如果寄件者在我的網域以外:
+    .accesskey = t
+
+other-cases-text-label =
+    .value = 其它情形:
+    .accesskey = a
diff --git a/l10n-zh-TW/mail/messenger/preferences/system-integration.ftl b/l10n-zh-TW/mail/messenger/preferences/system-integration.ftl
new file mode 100644
index 0000000000..afa52affcc
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/preferences/system-integration.ftl
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+system-integration-title =
+    .title = 系統整合
+
+system-integration-dialog =
+    .buttonlabelaccept = 設為預設帳號
+    .buttonlabelcancel = 略過整合
+    .buttonlabelcancel2 = 取消
+
+default-client-intro = 使用 { -brand-short-name } 作為預設用戶端:
+
+unset-default-tooltip = 您無法在 { -brand-short-name } 當中將 { -brand-short-name } 作為預設郵件軟體的設定取消。若您要將其他軟體作為預設郵件軟體，請使用該軟體自己的「設為預設值」對話框。
+
+checkbox-email-label =
+    .label = 電子郵件
+    .tooltiptext = { unset-default-tooltip }
+checkbox-newsgroups-label =
+    .label = 新聞群組
+    .tooltiptext = { unset-default-tooltip }
+checkbox-feeds-label =
+    .label = 消息來源
+    .tooltiptext = { unset-default-tooltip }
+
+checkbox-calendar-label =
+    .label = 行事曆
+    .tooltiptext = { unset-default-tooltip }
+
+# Note: This is the search engine name for all the different platforms.
+# Platforms that don't support it should be left blank.
+system-search-engine-name =
+    { PLATFORM() ->
+        [macos] Spotlight
+        [windows] Windows 搜尋
+       *[other] { "" }
+    }
+
+system-search-integration-label =
+    .label = 允許 { system-search-engine-name } 搜尋訊息
+    .accesskey = s
+
+check-on-startup-label =
+    .label = 每次啟動 { -brand-short-name } 時都重新檢查
+    .accesskey = a
diff --git a/l10n-zh-TW/mail/messenger/shortcuts.ftl b/l10n-zh-TW/mail/messenger/shortcuts.ftl
new file mode 100644
index 0000000000..abb99d4bb8
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/shortcuts.ftl
@@ -0,0 +1,113 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Shortcuts
+
+# Variables:
+#  $key (String) - The shortcut key.
+shortcut-key = { $key }
+
+meta-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌘ { $key }
+       *[other] Meta+{ $key }
+    }
+
+ctrl-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌃ { $key }
+       *[other] Ctrl+{ $key }
+    }
+
+shift-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⇧ { $key }
+       *[other] Shift+{ $key }
+    }
+
+alt-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌥ { $key }
+       *[other] Alt+{ $key }
+    }
+
+meta-ctrl-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌃ ⌘ { $key }
+       *[other] Meta+Ctrl+{ $key }
+    }
+
+meta-alt-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌥ ⌘ { $key }
+       *[other] Meta+Alt+{ $key }
+    }
+
+ctrl-alt-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌃ ⌥ { $key }
+       *[other] Ctrl+Alt+{ $key }
+    }
+
+meta-ctrl-alt-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌃ ⌥ ⌘ { $key }
+       *[other] Meta+Ctrl+Alt+{ $key }
+    }
+
+meta-shift-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⇧ ⌘ { $key }
+       *[other] Meta+Shift+{ $key }
+    }
+
+ctrl-shift-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌃ ⇧ { $key }
+       *[other] Ctrl+Shift+{ $key }
+    }
+
+meta-ctrl-shift-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌃ ⇧ ⌘ { $key }
+       *[other] Meta+Ctrl+Shift+{ $key }
+    }
+
+alt-shift-shortcut-key =
+    { PLATFORM() ->
+        [macos] ⌥ ⇧ { $key }
+       *[other] Alt+Shift+{ $key }
+    }
+
+meta-shift-alt-shortcut-key2 =
+    { PLATFORM() ->
+        [macos] ⌥ ⇧ ⌘ { $key }
+       *[other] Meta+Alt+Shift+{ $key }
+    }
+
+ctrl-shift-alt-shortcut-key2 =
+    { PLATFORM() ->
+        [macos] ⌃ ⌥ ⇧ { $key }
+       *[other] Ctrl+Alt+Shift+{ $key }
+    }
+
+meta-ctrl-shift-alt-shortcut-key2 =
+    { PLATFORM() ->
+        [macos] ⌃ ⌥ ⇧ ⌘ { $key }
+       *[other] Meta+Ctrl+Alt+Shift+{ $key }
+    }
+
+# Variables:
+#  $title (String): The title coming from the original element.
+#  $shortcut (String): The shortcut generated from the keystroke combination.
+button-shortcut-string =
+    .title = { $title }（{ $shortcut }）
+
+# Variables:
+#  $label (String): The text label coming from the original element.
+#  $shortcut (String): The shortcut generated from the keystroke combination.
+menuitem-shortcut-string =
+    .label = { $label }
+    .acceltext = { $shortcut }
diff --git a/l10n-zh-TW/mail/messenger/troubleshootMode.ftl b/l10n-zh-TW/mail/messenger/troubleshootMode.ftl
new file mode 100644
index 0000000000..7d5ebc3372
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/troubleshootMode.ftl
@@ -0,0 +1,39 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+troubleshoot-mode-window =
+    .title = { -brand-short-name } 疑難排解模式
+    .style = width: 37em;
+
+troubleshoot-mode-description = 請使用 { -brand-short-name } 的疑難排解模式來檢查瀏覽器的各種問題。將暫時停用附加元件與自訂設定。
+
+troubleshoot-mode-description2 = 您可以進行下面部份或全部的調整:
+
+troubleshoot-mode-disable-addons =
+    .label = 停用所有附加元件
+    .accesskey = D
+
+troubleshoot-mode-reset-toolbars =
+    .label = 重設工具列與控制元件
+    .accesskey = R
+
+troubleshoot-mode-change-and-restart =
+    .label = 執行變更項目並重新啟動
+    .accesskey = M
+
+troubleshoot-mode-continue =
+    .label = 以疑難排解模式繼續
+    .accesskey = C
+
+troubleshoot-mode-quit =
+    .label =
+        { PLATFORM() ->
+            [windows] 結束
+           *[other] 離開
+        }
+    .accesskey =
+        { PLATFORM() ->
+            [windows] x
+           *[other] Q
+        }
diff --git a/l10n-zh-TW/mail/messenger/viewSource.ftl b/l10n-zh-TW/mail/messenger/viewSource.ftl
new file mode 100644
index 0000000000..c202762afa
--- /dev/null
+++ b/l10n-zh-TW/mail/messenger/viewSource.ftl
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+context-text-action-find =
+    .label = 尋找
+    .accesskey = F
+
+context-text-action-find-again =
+    .label = 找下一個
+    .accesskey = g
+
+text-action-find =
+    .label = 尋找
+    .accesskey = F
+
+text-action-find-again =
+    .label = 找下一個
+    .accesskey = g
diff --git a/l10n-zh-TW/mail/updater/updater.ini b/l10n-zh-TW/mail/updater/updater.ini
new file mode 100644
index 0000000000..4afd54c12f
--- /dev/null
+++ b/l10n-zh-TW/mail/updater/updater.ini
@@ -0,0 +1,9 @@
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+; This file is in the UTF-8 encoding
+[Strings]
+TitleText=%MOZ_APP_DISPLAYNAME% 更新
+InfoText=%MOZ_APP_DISPLAYNAME% 正在安裝更新且會在稍後啟動…
+
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 09:22:09 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 09:22:09 +0000
commit	43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree	620249daf56c0258faa40cbdcf9cfba06de2a846 /l10n-zh-TW/mail
parent	Initial commit. (diff)
download	firefox-upstream.tar.xz firefox-upstream.zip