TB must have addons

by fisheater

13 Add-ons in this Collection

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

ImportExportTools by Paolo "Kaosmos"

Download Now

Experimental

Rated 4 out of 5 stars 151 reviews

335,283 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,013 reviews

299,091 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 196 reviews

149,004 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 198 reviews

60,666 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Remove Duplicate Messages (Alternate) by Eyal Rozenberg

Rated 4 out of 5 stars 149 reviews

60,768 users

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 179 reviews

33,431 users

Extracts all attachments from selected messages and then can delete, detach or mark-read.

Color Folders by fisheater

Rated 4 out of 5 stars 148 reviews

25,338 users

Color your Folder Treeview Icons!

Check and Send by H.Ogi

Rated 4 out of 5 stars 31 reviews

19,702 users

Check the message contents and addresses before you send the message...

FiltaQuilla by R Kent James

Rated 4 out of 5 stars 53 reviews

9,089 users

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

Tag Toolbar by H.Ogi

Rated 4 out of 5 stars 47 reviews

14,624 users

Add toolbar for toggling tags.

Extra Folder Columns by Joey Minta, Thunderbird Development Team

Rated 4 out of 5 stars 250 reviews

106,084 users

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.

Limit_Offline_Message_Size Button by fisheater

Rated 5 out of 5 stars 1 review

52 users

Limit the size of a message to download with a single click of the button for slow (and/or expensive) network connection.
Quick access to Tools->Account Settings->Disc Space->"To save disk space, do not download: Messages larger than XXkB"

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