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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.

Rated 5 out of 5 stars (13)
7,098 users
Updated Feb. 28, 2021

AlertSwitch

Turn on/off the alert shown when new message arrives.

Rated 4 out of 5 stars (3)
682 users
Updated Feb. 27, 2021

SubSwitch

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.

Rated 3 out of 5 stars (10)
654 users
Updated Feb. 27, 2021

Manually sort folders

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.

Rated 4 out of 5 stars (512)
203,350 users
Updated Feb. 27, 2021

Move messages or yourself

Move messages or jump to folder with a keystroke.

Rated 4 out of 5 stars (12)
242 users
Updated Feb. 27, 2021

Text Insert/Text Blocks

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.

Not yet rated
0 users
Updated Feb. 26, 2021

Show InOut

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...

Rated 4 out of 5 stars (42)
1,007 users
Updated Feb. 26, 2021

Colored Diffs

Color diffs sent by SVN/CVS/GIT/Mercurial...

Rated 4 out of 5 stars (20)
472 users
Updated Feb. 24, 2021

CardBook Featured

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (322)
68,993 users
Updated Feb. 24, 2021

Hide Email Folders

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.

Not yet rated
7 users
Updated Feb. 24, 2021

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 4 out of 5 stars (27)
7,100 users
Updated Feb. 24, 2021

Lightning Calendar Tabs

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.

Rated 4 out of 5 stars (15)
23,054 users
Updated Feb. 24, 2021

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 4 out of 5 stars (17)
1,686 users
Updated Feb. 23, 2021

Get All Mail Button for TB78++

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".

Rated 5 out of 5 stars (1)
0 users
Updated Feb. 23, 2021

KeepRunning

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.

Not yet rated
0 users
Updated Feb. 23, 2021

Unsubscribe

Lightweight solution to simplify unsubscribing from newsletters

Rated 3 out of 5 stars (1)
0 users
Updated Feb. 23, 2021

Transfer Immunity

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.

Not yet rated
40 users
Updated Feb. 23, 2021

QuickFolders (Tabbed Folders)

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!

Rated 5 out of 5 stars (160)
22,652 users
Updated Feb. 22, 2021

Web Translate

The best Translator for Thunderbird 78!
Available also for Firefox!

Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译

Rated 5 out of 5 stars (11)
7,124 users
Updated Feb. 22, 2021

Grammalecte [fr] (for Thunderbird)

French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.

Rated 5 out of 5 stars (12)
4,909 users
Updated Feb. 22, 2021