Add-ons

by Wiesław Świergała

  • Updated Sept. 2, 2023

About this Collection

8 Add-ons in this Collection

Provider for Google Calendar by Philipp Kewisch

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Rated 3 out of 5 stars 1,727 reviews

172,190 users

Provider for Google Calendar connects Thunderbird with Google Calendar for full task sync, conference details, and scheduling support. It offers deeper integration than Thunderbird’s native support using Google’s official API.

LookOut (fix version) by Oleksandr, Dugite-Code

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Rated 4 out of 5 stars 103 reviews

174,578 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

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Rated 4 out of 5 stars 271 reviews

50,427 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

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Rated 4 out of 5 stars 82 reviews

26,849 users

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

CategoryManager by John Bieling, kxxt

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Rated 5 out of 5 stars 26 reviews

6,617 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

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Rated 4 out of 5 stars 239 reviews

272,101 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

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Rated 5 out of 5 stars 38 reviews

8,973 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

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Rated 5 out of 5 stars 55 reviews

16,262 users

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

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