Add-ons
Most Popular All »
- 1. Lightning 6,891,657 users
- 2. ImportExportTools 477,256 users
- 3. Provider for Google Calendar 309,960 users
- 4. Manually sort folders 176,789 users
- 5. Enigmail 131,758 users
- 6. LookOut (fix version) 104,435 users
- 7. Quicktext 95,502 users
- 8. gContactSync 90,556 users
- 9. CompactHeader 87,760 users
- 10. Remove Duplicate Messages (Alternate) 75,374 users
Featured Extensions See all »
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Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. New beta version available from http://compactheader.mozdev.org/87,760 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft64,284 users -
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon46,859 users -
Allow to redirect (a.k.a. "remail") mail messages to other recipients.37,821 users -
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.131,758 users
Up & Coming Extensions See all »
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Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).3,630 users -
Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...
This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished2,548 users -
Keep a preset zoom level across thunderbird restarts.
Usefull on High DPI screens.829 users -
An extension to show embedded Outlook calendar (vcal / ics) parts.
Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.985 users -
Shows a colorful border around the "New Message" window, so you can tell different identities apart.
Builds on the original BorderColors and the "GT" version, adding different border styles.1,077 users -
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird2,256 users
Featured Themes See all »
Featured Collections See all »
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