Recently Updated Extensions
ThreadVis Requires Restart
Displays a small graphic visualising the context (thread) of the currently selected email.
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
BiDi Mail UI Requires Restart
Direction control and BiDi-related charset misdetection correction
Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview
Encrypt if possible Requires Restart
Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.
CardBook Requires Restart Featured
ThunderPEC Requires Restart
ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.
pCloud for Thunderbird Requires Restart
Easily send large attachments with Thunderbird without leaving your email!
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.
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.
Gmail Buttons Requires Restart
Adds message-specific buttons to Thuderbird that are consistent with the way Gmail handles Trash and Spam.
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...".
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.
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.
Grammalecte [fr] (for Thunderbird) Requires Restart
French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.
ProfileSwitcher Requires Restart
It adds some options to launch easily other profiles and the Profile Manager.
PrintingTools Requires Restart
Adds some options to print messages and addressbooks
EDS Calendar Integration Requires Restart
Integrates calendars events with Gnome clock applet
Plugin may hang on Fedora.
As a workaround uninstall evolution-ews.
DKIM Verifier Requires Restart
Verifies the DKIM-Signature of an e-mail.
[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.*.