Thunderbird 3 at work

by klint

89 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,737 reviews

14,382,376 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

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 161 reviews

407,579 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 951 reviews

309,863 users

Allows bidirectional access to Google Calendar

Download Status Bar by Szalgiris

Rated 5 out of 5 stars 281 reviews

175,765 users

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 166 reviews

376,304 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Mail Merge by Alexander Bergmann

Rated 5 out of 5 stars 148 reviews

55,990 users

Mass Mail and Personal Mail

MinimizeToTray revived by Nils Maier

Rated 4 out of 5 stars 337 reviews

128,390 users

Minimizes windows into the system tray.

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 270 reviews

75,287 users

Adds the ability to create and edit entries in the password manager.

LookOut by Aron Rubin

Rated 4 out of 5 stars 155 reviews

179,291 users

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 189 reviews

68,679 users

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

Thunderbird Conversations by Jonathan Protzenko, Standard8

Rated 4 out of 5 stars 416 reviews

29,634 users

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

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

Rated 5 out of 5 stars 117 reviews

20,436 users

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

CompactHeader by jmozmoz

Rated 5 out of 5 stars 162 reviews

100,803 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)

StartupMaster by htamas

Rated 4 out of 5 stars 244 reviews

19,673 users

Asks for the master password at startup (fixes multiple password prompt)
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