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 140 reviews

356,393 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,029 reviews

325,335 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 188 reviews

156,038 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Remove Duplicate Messages (Alternate) by eyalroz

Rated 4 out of 5 stars 145 reviews

67,326 users

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

Check and Send by H.Ogi

Rated 4 out of 5 stars 31 reviews

23,595 users

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

Color Folders by fisheater

Rated 4 out of 5 stars 136 reviews

27,899 users

Color your Folder Treeview Icons!

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 174 reviews

36,303 users

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

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 213 reviews

67,814 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.

Extra Folder Columns by Joey Minta, Thunderbird Development Team

Rated 4 out of 5 stars 248 reviews

135,869 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.

Tag Toolbar by H.Ogi

Rated 4 out of 5 stars 45 reviews

16,738 users

Add toolbar for toggling tags.

FiltaQuilla by R Kent James

Rated 4 out of 5 stars 52 reviews

8,805 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.

Limit_Offline_Message_Size Button by fisheater

Rated 5 out of 5 stars 1 review

53 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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