Recently Updated Extensions
Display Mail User Agent T Featured
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.
Turn on/off the alert shown when new message arrives.
Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Move messages or jump to folder with a keystroke.
Insert standard text blocks in an easy way in email composer. No mouse: done by keyboard.
Type br<ctrl-d>, it converts to best regards.
Make a list of shortcut-replacements in the addon settings (tools-> addons). Replacements may be multiline.
Adds two columns to the list of mails. One shows an indicator wether a mail is incoming or outgoing, the other shows the sender or the recipient of the mail respectively...
Color diffs sent by SVN/CVS/GIT/Mercurial...
A new Thunderbird address book based on the CardDAV and vCard standards.
Hide Email Folders from the Unified pane view.
* This only works for Unified folder view.
Special thanks to `C-E` and `Alex Cabal` for `Hide Local Folders` extension.
Limits displayed headers to 1 or 2 lines.
Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.
Adds a full sender and recipient e-mail column to message list panel.
Adds a toolbar button to get all new messages for all accounts in Thunderbird. When clicked, it does the same as the default button "Get Messages" dropdown menu entry "Get All New Messages".
Once you close Thunderbird you will no longer be able to see your new emails. This plugin keeps Thunderbird active in the background, meaning you can still receive your new emails after closing the app. Use this when the app is in the startup.
Lightweight solution to simplify unsubscribing from newsletters
Transfer Immunity is a fast and secure add-on and SaaS service for sharing and transferring files. This high-fidelity, SaaS-based platform allows users to send large files to different destinations as attachments with emails.
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
The best Translator for Thunderbird 78!
Available also for Firefox!
French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.