Add-ons
Most Popular All »
- 1. Lightning 7,039,924 users
- 2. Provider for Google Calendar 287,286 users
- 3. Manually sort folders 180,499 users
- 4. LookOut (fix version) 139,235 users
- 5. Enigmail 113,591 users
- 6. Quicktext 99,034 users
- 7. ImportExportTools NG 95,965 users
- 8. gContactSync 86,497 users
- 9. Remove Duplicate Messages (Alternate) 76,996 users
- 10. CompactHeader 76,285 users
Featured Extensions See all »
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Adds tools to import/export messages and folders (NextGen)95,965 users -
Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.10,640 users -
Switch the signature on/off or choose a new one from your predefined set.62,683 users -
A simple button to invoke the (already existing) send later functions.13,571 users -
Thunderbird email accounts connecting to Microsoft Exchange Web Services.14,486 users -
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!25,495 users
Up & Coming Extensions See all »
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Let's show the calendar color on Lightning reminders!996 users -
This module allows you to change/edit email subjects2,001 users -
Upload large attachments to your Cloud and send the link by email1,870 users -
Outlook style headers and few goodies for Thunderbird & Postbox.5,767 users
Featured Collections See all »
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