Add-ons
Message Composition
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Address bulk copy （アドレス一括コピー）
Requires Restart
Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。
Macro Template
Macro Template is to replace mail templates with macros for date formatting.
Stop Ignoring Reply:To
Requires Restart
Default "Reply" functionality pays attention to "Reply-To" in original email
Single Domain
Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.
Owl for Exchange
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).
FileLink for Plik
Plik no longer offers uploads without an account. So the add-in currently only works for self-hosted instances of the software. Currently I cannot promise a date for a fix. Sorry.
reply-all-auto-cc
When reply to all is used, move original To: recipients to Cc:
Also forces "Cc:" to be displayed on all new messages.
GitHub Repo: https://github.com/cyb3rmonk/reply-all-auto-cc
Mail Merge
Create and Save or Send Multiple Individual and Personalized Messages from a Draft
Transliterator
As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.
Send Later
Textmarker
Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)
Automatic Dictionary
Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.
AVIM
Requires Restart
Vietnamese-language input method editor (IME). Type diacritics directly into any Web page, Web app, or dialog box. Convenient, comprehensive, secure.
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Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, hộp thoại.
*cloud - FileLink for Nextcloud and ownCloud
Featured
Upload large attachments to your Cloud and send the link by email
Proton Mail Toolbar Button
Adds a Proton Mail button to the toolbar. The button simply opens a new tab with the https://mail.proton.me webpage.
Reply to Multiple Messages
Requires Restart
Add menu commands for replying to multiple messages at the same time.
Toggle Word Wrap
Requires Restart
Toggle word wrapping and <PRE> element wrapping in the message composition and HTML display windows, respectively. Based on original version by Kaspar Brand.
Custom Address SidebarTo create your own collections, you must have a Mozilla Add-ons account.
