Add-ons

by Wiesław Świergała

8 Add-ons in this Collection

Provider for Google Calendar by Philipp Kewisch

Works with Firefox for Android
View other versions

Rated 3 out of 5 stars 1,723 reviews

178,647 users

Allows bidirectional access to Google Calendar

LookOut (fix version) by Oleksandr, Dugite-Code

Works with Firefox for Android
View other versions

Rated 4 out of 5 stars 101 reviews

164,443 users

LookOut decodes winmail.dat (TNEF encoded) files that may come from a misconfigured Microsoft Exchange server or Outlook user allowing access to the original attachments
Support: Thunderbird

TbSync by John Bieling

Works with Firefox for Android
View other versions

Rated 4 out of 5 stars 267 reviews

59,965 users

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Addressbooks Synchronizer by Günter Gersdorf

Works with Firefox for Android
View other versions

Rated 4 out of 5 stars 82 reviews

24,279 users

Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers

CategoryManager by John Bieling, kxxt

Works with Firefox for Android
View other versions

Rated 5 out of 5 stars 26 reviews

6,892 users

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

ImportExportTools NG by Christopher Leidigh

Works with Firefox for Android
View other versions

Rated 4 out of 5 stars 229 reviews

249,260 users

Adds tools to import/export messages and folders

EML, MBOX, HTML PDF , Plaintext Support and CSV support with indexes and file naming.

Simple Mail Redirection by Günter Gersdorf

Works with Firefox for Android
View other versions

Rated 5 out of 5 stars 38 reviews

8,820 users

Allows you to resend (also known as redirect) email messages.
Uses 'cardbook' if installed

Bases on the add-on 'Mail Redirect' by Onno Ekker and Pawel Krzesniak

Please see the support page on how to use and why it sometimes does not work!

Provider for CalDAV & CardDAV by John Bieling

Works with Firefox for Android
View other versions

Rated 5 out of 5 stars 55 reviews

18,488 users

This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections