Add-ons
Most Popular All »
- 1. Provider for Google Calendar 251,829 users
- 2. Manually sort folders 211,461 users
- 3. ImportExportTools NG 207,248 users
- 4. LookOut (fix version) 163,958 users
- 5. Quicktext 127,100 users
- 6. Remove Duplicate Messages 85,696 users
- 7. TbSync 77,216 users
- 8. CardBook 71,677 users
- 9. Send Later 70,669 users
- 10. Mail Merge 70,370 users
Featured Extensions See all »
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Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.8,446 users -
Persistent sticky notes for Thunderbird associated to mails. You can email them/print/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.19,600 users -
Upload large attachments to your Cloud and send the link by email15,739 users -
Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)15,441 users -
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon71,677 users
Up & Coming Extensions See all »
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Allows to modify the header and the source of messages835 users
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Checks all installed add-ons for compatibility with Thunderbird 91 (next ESR) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.3,184 users -
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This provider add-on adds Google synchronization capabilities to TbSync. Only contacts and contact groups are currently managed, using Google's People API.
Please read the "About this Add-on" section below carefully!2,800 users -
Synchronizes contacts & groups between Thunderbird and Google Contacts.5,847 users -
Uploads your large attachments to your WebDAV account instead of sending them by email.13,566 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
