Thunderbird

by Monique Brunel

27 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"

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Experimental

Rated 4 out of 5 stars 140 reviews

371,527 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

339,810 users

Allows bidirectional access to Google Calendar

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 328 reviews

89,148 users

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

gContactSync by Josh Geenen

Rated 4 out of 5 stars 215 reviews

81,050 users

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 322 reviews

121,177 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Thunderbird Conversations by Jonathan Protzenko

Rated 4 out of 5 stars 412 reviews

68,226 users

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

The latest version is compatible with Thunderbird 38+ only (see below for details).

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 173 reviews

26,828 users

A simple note-taking extension.

Remove Duplicate Messages (Alternate) by eyalroz

Rated 4 out of 5 stars 145 reviews

69,945 users

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

CompactHeader by jmozmoz

Rated 5 out of 5 stars 171 reviews

139,797 users

Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)

Zindus by Leni Mayo

Rated 4 out of 5 stars 207 reviews

28,181 users

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 174 reviews

37,860 users

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

Dropbox for Filelink by mike_conley, mkmelin

Rated 4 out of 5 stars 38 reviews

23,007 users

Add Dropbox support to Thunderbird's Filelink feature.

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 100 reviews

23,261 users

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