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 160 reviews

371,962 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,020 reviews

316,914 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 199 reviews

154,541 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 200 reviews

63,840 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 151 reviews

63,863 users

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

Color Folders by fisheater

Rated 4 out of 5 stars 153 reviews

26,805 users

Color your Folder Treeview Icons!

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 180 reviews

34,738 users

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

Check and Send by H.Ogi

Rated 4 out of 5 stars 33 reviews

17,334 users

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

FiltaQuilla by R Kent James

Rated 4 out of 5 stars 56 reviews

10,028 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 50 reviews

14,263 users

Add toolbar for toggling tags.

Extra Folder Columns by Joey Minta, Thunderbird Development Team

Rated 4 out of 5 stars 250 reviews

104,233 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

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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