Up & Coming Extensions
Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)
Beautifully visualized statistics for your Thunderbird Email Accounts
Adds a full sender and recipient e-mail column to message list panel.
Message & Address Printing Tools (NextGen)
New 78 Update! 68/78 Compatible
Allows you to resend (also known as redirect) email messages.
Uses 'cardbook' if installed
Bases on the add-on 'Mail Redirect' by Onno Ekker and Pawel Krzesniak
Please see the help page on how to use and why it sometimes does not work!
Adds calendars containing the birthdays from your address books.
The best Translator for Thunderbird 78!
Available also for Firefox!
Create file attachments directly from the system clipboard.
Unofficial DeepL translate extension for Thunderbird.
Typical Reply Requires Restart
Provides ability to send/receive typical replies in a team.Provides ability to send/receive typical replies in a team.
Shortcuts to move/copy messages, with folder name completion.
Set rules for moving of messages to associated folders.
View images inside TB without external viewer.
Donations to transfer to TB 78 and adding new features are acknowledged.
Getting things done and clean up your inbox! While moving a mail the first time, QuickArchiver remembers the destination folder and enables you to move further mails with a single click. You can apply rules by sender, recipient and subject.
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.
Sets the spell check dictionary based on the first recipient
List addons in Windows' "Add or Remove Programs".
Toolbar button to invoke message search dialog window.
Custom Address Sidebar Requires Restart
Allow you to help address sidebar more useful.
DKIM Verifier Featured
Verifies the DKIM-Signature of an e-mail.
Direction control and BiDi-related charset misdetection correction