Add-ons
Most Popular All »
- 1. Lightning 1,972,137 users
- 2. Provider for Google Calendar 272,510 users
- 3. Manually sort folders 196,234 users
- 4. ImportExportTools NG 156,504 users
- 5. LookOut (fix version) 150,785 users
- 6. Quicktext 118,486 users
- 7. Enigmail 95,360 users
- 8. Remove Duplicate Messages 82,084 users
- 9. Mail Merge 67,757 users
- 10. CardBook 60,856 users
Featured Extensions See all »
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Uploads your large attachments to your WebDAV account instead of sending them by email.7,380 users -
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon60,856 users -
Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)12,939 users
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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.6,264 users -
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.24,911 users
Up & Coming Extensions See all »
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The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!11,829 users -
The best Translator for your new Thunderbird 78!
Available also for your Firefox web browser.917 users -
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.641 users -
You can change icon display and button order. You can also hide unnecessary buttons.1,671 users
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Configure text and background colors of quotes in mail and news messages.1,349 users -
Allows to switch between the normal header view and viewing all headers when viewing a message by using a keyboard shortcut (Ctrl+H).997 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
