Most Popular All »
- 1. ImportExportTools NG 276,548 users
- 2. Provider for Google Calendar 142,513 users
- 3. LookOut (fix version) 119,570 users
- 4. Send Later 115,135 users
- 5. Remove Duplicate Messages 95,012 users
- 6. Quicktext 82,483 users
- 7. Grammar and Spell Checker — LanguageTool 73,527 users
- 8. Mail Merge 71,770 users
- 9. CardBook 60,008 users
- 10. Web Translate 53,970 users
Featured Extensions See all »
-
Add-on for Thunderbird that displays information about the mail user agent (i.e. email software) with which the selected mail was composed.11,955 users
-
Extracts attachments from messages within an account or folder, with the option to select specific attachments. By default, extracted attachments are saved to a .zip file.10,220 users
-
Uploads your large attachments to your WebDAV account instead of sending them by email.39,768 users
-
Upload large attachments to your Cloud and send the link by email36,705 users
-
Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)21,995 users
Up & Coming Extensions See all »
-
Extract attachments from selected e-mails!
Instructions:
1. Select one or more messages
2. Right click and choose Attachment Extractor
3. Select a template for filenames and target folder
4. Done813 users -
Extracts attachments from messages within an account or folder, with the option to select specific attachments. By default, extracted attachments are saved to a .zip file.10,220 users
-
Direction control and BiDi-related charset misdetection correction1,757 users
-
It's an extension that changes the format of reply header.
You can choose between the standard Thunderbird reply header, a detailed reply header or a Customized reply header.
You can configure it in the Tools ->Add-on Preferences -> changeQuote.2,243 users -
You may need to install https://yellowgnu.com/wp-content/uploads/2026/07/OpenLinkWith-Windows-Helper-1.0.3.zip
Install the XPI in Thunderbird, then extract and run install-host.bat from the Windows helper ZIP.1 user
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.