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 151 reviews

445,751 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

387,491 users

Allows bidirectional access to Google Calendar

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 178 reviews

31,117 users

A simple note-taking extension.

gContactSync by Josh Geenen

Rated 4 out of 5 stars 231 reviews

99,120 users

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

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 332 reviews

108,697 users

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

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 328 reviews

117,999 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 426 reviews

68,749 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).

Remove Duplicate Messages (Alternate) by Eyal Rozenberg

Rated 4 out of 5 stars 150 reviews

78,839 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 172 reviews

147,112 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)

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 179 reviews

43,127 users

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

Zindus by Leni Mayo

Rated 4 out of 5 stars 207 reviews

27,517 users

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

Dropbox for Filelink by mike_conley, mkmelin

Rated 4 out of 5 stars 42 reviews

25,758 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 104 reviews

25,422 users

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