Recently Updated Extensions

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Layout Button Requires Restart

A toolbar button to switch between layouts.

Rated 4 out of 5 stars (3)
188 users
Updated May 26, 2018

ThreadKey

Strike the 'T' key to sort messages by thread, strike the 'U' key to sort them unthreaded again, just like the 'G' key switches to Grouped By Sort view

Rated 4 out of 5 stars (23)
1,522 users
Updated May 24, 2018

Rspamd-spamness Requires Restart

Rspamd spam filtering system score visualization.

Not yet rated
616 users
Updated May 24, 2018

ThreadVis Requires Restart

Displays a small graphic visualising the context (thread) of the currently selected email.

Rated 4 out of 5 stars (110)
5,748 users
Updated May 22, 2018

BiDi Mail UI Requires Restart

Direction control and BiDi-related charset misdetection correction

Rated 4 out of 5 stars (25)
2,995 users
Updated May 20, 2018

Mail Summaries

Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview

Rated 5 out of 5 stars (41)
4,347 users
Updated May 20, 2018

Encrypt if possible Requires Restart

Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.

Rated 5 out of 5 stars (17)
1,515 users
Updated May 18, 2018

ThunderPEC Requires Restart

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.

Rated 5 out of 5 stars (11)
24,749 users
Updated May 16, 2018

Thunderbird Taiga Integration Requires Restart

Convert mails to user stories, tasks and tickets for the Taiga project management system. See https://pehei.de/post/thunderbird-taiga-integration for instructions.

Not yet rated
9 users
Updated May 16, 2018

ReminderFox Requires Restart

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Rated 4 out of 5 stars (532)
38,220 users
Updated May 16, 2018

Gmail Buttons Requires Restart

Adds message-specific buttons to Thuderbird that are consistent with the way Gmail handles Trash and Spam.

Rated 4 out of 5 stars (8)
684 users
Updated May 16, 2018

Bitmask Thunderbird Extension Requires Restart

After installing the extension, do the following:

1. Make sure that Bitmask is running and you are logged in.
2. In Thunderbird, click the main menu, then "Preferences" - "Account Settings".
3. Click "Account Actions" - "New Bitmask Account...".

Rated 3 out of 5 stars (1)
86 users
Updated May 16, 2018

GNotifier

Add-on for Thunderbird that replaces the built-in notifications with OS native ones. It supports most Linux Desktop Environments as well as Windows 8.1/10.

Rated 5 out of 5 stars (46)
8,459 users
Updated May 16, 2018

ColumnsWizard Requires Restart

Adds some magic to the messages list columns!
With this addon you can:
* Add a custom column
* Set the default columns for any new folder.
* Show hidden columns in the Conversation Tab.
* Edit a mail header value for a single message.

Rated 4 out of 5 stars (10)
1,228 users
Updated May 16, 2018

Grammalecte [fr] (for Thunderbird) Requires Restart

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

Rated 5 out of 5 stars (3)
3,721 users
Updated May 16, 2018

ProfileSwitcher Requires Restart

It adds some options to launch easily other profiles and the Profile Manager.

Rated 4 out of 5 stars (112)
20,460 users
Updated May 16, 2018

PrintingTools Requires Restart

Adds some options to print messages and addressbooks

Rated 5 out of 5 stars (25)
35,619 users
Updated May 16, 2018

EDS Calendar Integration Requires Restart

Integrates calendars events with Gnome clock applet

IMPORTANT:
Plugin may hang on Fedora.
As a workaround uninstall evolution-ews.

Rated 4 out of 5 stars (10)
559 users
Updated May 16, 2018

DKIM Verifier Requires Restart

Verifies the DKIM-Signature of an e-mail.

Rated 4 out of 5 stars (17)
5,783 users
Updated May 16, 2018

Version Number in Add-ons Manager

[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 41.0 - 56.*
Also restores the add-on version number on Firefox/Thunderbird 41.0 - 56.*.

Rated 4 out of 5 stars (4)
233 users
Updated May 12, 2018