Up & Coming Extensions

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CALDAV - Search/Subscribe Requires Restart

Add CalDAV search & subscribe feature to Lightning

Rated 3 out of 5 stars (16)
1,072 users

Provider for CalDAV & CardDAV

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".

Rated 5 out of 5 stars (10)
7,224 users

Owl for Exchange

Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird

Rated 5 out of 5 stars (10)
2,256 users

AddressBook in Tab Requires Restart

Adds a button that can be put in toolbars which opens the addressbook in a new tab like pastismans AddressBookTab

Rated 4 out of 5 stars (12)
10,267 users

WarnAttachment Requires Restart

WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.

Rated 5 out of 5 stars (4)
1,076 users

Grammalecte [fr] (for Thunderbird) Requires Restart

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

Rated 5 out of 5 stars (6)
4,866 users

MinimizeToTray Reanimated Requires Restart

MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.

Rated 5 out of 5 stars (82)
14,030 users

TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (58)
19,737 users

BiDi Mail UI Requires Restart

Direction control and BiDi-related charset misdetection correction

Rated 4 out of 5 stars (26)
2,526 users

Colored Folders Requires Restart

Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...

This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished

Rated 5 out of 5 stars (30)
2,548 users

Auto Compress File Requires Restart

Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).

Rated 5 out of 5 stars (18)
3,630 users

Signal Spam Requires Restart

Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).

Rated 3 out of 5 stars (53)
12,109 users

Provider for Exchange ActiveSync

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Rated 5 out of 5 stars (2)
10,974 users

Purge! Requires Restart

Add toolbar icons to purge (compact folders) and/or delete junk messages to your toolbar and thread context...

Rated 4 out of 5 stars (17)
2 users

SendWithoutSubject Requires Restart

Send without subject and without confirmation alert

Rated 3 out of 5 stars (10)
54 users

Shedule Filters Requires Restart

Sheduled run message filters

Запуск фильтров сообщений по расписанию

Rated 4 out of 5 stars (2)
43 users

my site 1.0

it allow to browse facebook - youtube and gmail in secured way...

Rated 1 out of 5 stars (1)
0 users

Bulk List Filter Requires Restart

The Bulk List filter addon provides a set of preconfigured search folders for popular services such as Facebook, eBay, Amazon and more.

Rated 1 out of 5 stars (1)
0 users

Smilie Inserter Requires Restart

Insert smilies in messages...

Rated 4 out of 5 stars (35)
21 users

Restart application Requires Restart

Restart the application with one click (or Ctrl Shift Z)

Rated 4 out of 5 stars (15)
126 users