Add-ons

by Wiesław Świergała

8 Add-ons in this Collection

Provider for Google Calendar by Philipp Kewisch

Rated 3 out of 5 stars 1,654 reviews

191,073 users

Allows bidirectional access to Google Calendar

LookOut (fix version) by Oleksandr, Dugite-Code

Rated 4 out of 5 stars 96 reviews

171,533 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

Rated 5 out of 5 stars 259 reviews

70,933 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

Rated 4 out of 5 stars 79 reviews

25,177 users

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

CategoryManager by John Bieling, kxxt

Rated 5 out of 5 stars 23 reviews

7,509 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

Rated 4 out of 5 stars 219 reviews

251,996 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

Rated 4 out of 5 stars 35 reviews

8,652 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

Rated 5 out of 5 stars 54 reviews

37,492 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