Recently Updated Extensions
Layout Button Requires Restart
A toolbar button to switch between layouts.
CardBook Requires Restart Featured
KeeBird Requires Restart
Use KeePass Password Safe to manage your login credentials.
This is the replacement for the KeeFox extension for Thunderbird.
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
Auto Filter Timer Requires Restart
Run existing message filters on any folder at a specified interval. Simply right-click the desired folder then choose from the [AUTOFILT] menu items. This is a hack/clean-up of another coder's work, but works perfectly. Use at your own risk
Rspamd-spamness Requires Restart
Rspamd spam filtering system score visualization.
This add-on offers ui tweaks to improve Thunderbirds appearance (squared tabs, custom tab height, alternative Add-on Manager appearance, compact main toolbars and more). v2.1.0+ for Tb52-62+
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.
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.