Thunderbird

by mati1199

17 Add-ons in this Collection

ImportExportTools by Paolo "Kaosmos"

Rated 4 out of 5 stars 251 reviews

7,290 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 3 out of 5 stars 1,659 reviews

193,120 users

Allows bidirectional access to Google Calendar

Remove Duplicate Messages by Eyal Rozenberg

Rated 4 out of 5 stars 300 reviews

100,215 users

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

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 273 reviews

55,707 users

Switch the signature on/off or choose a new one from your predefined set.

CompactHeader by jmozmoz

Rated 5 out of 5 stars 191 reviews

15,706 users

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

Disable Add-on Compatibility Checks by Kris Maglione

Rated 4 out of 5 stars 120 reviews

182 users

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Contact Tabs by thunderspeed

Rated 4 out of 5 stars 60 reviews

152 users

Contact Tabs enhances Thunderbird to give you quick access to all your contacts directly from Thunderbird's main window: Use the powerful search field to find your contacts and open them in a new tab for viewing and editing.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 114 reviews

106 users

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.

Thunderbird Message Filter Import/Export by Wind Li

Rated 3 out of 5 stars 72 reviews

5 users

Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 57 reviews

278 users

Removes comment, display name automatically from addresses before sending mail.

ThunderLink by Christoph Zwirello, Mike Hardy

Rated 4 out of 5 stars 21 reviews

179 users

Clickable, durable links to specific messages inside Thunderbird.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 245 reviews

76 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Folderpane Tools by chuonthis, Philip Chee

Rated 3 out of 5 stars 125 reviews

190 users

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

Extra Folder Columns by Joey Minta, Thunderbird Development Team

Rated 4 out of 5 stars 214 reviews

125 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.

Charamel by ShareBird

Rated 5 out of 5 stars 103 reviews

4 users

A Creamy Sugary Experience
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