Thunderbird 3 at work

by klint

89 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 6,681 reviews

13,309,154 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 171 reviews

434,947 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 961 reviews

324,872 users

Allows bidirectional access to Google Calendar

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 186 reviews

359,755 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 152 reviews

58,964 users

Mass Mail and Personal Mail

MinimizeToTray revived by Nils Maier

Rated 4 out of 5 stars 352 reviews

120,749 users

Minimizes windows into the system tray.

Download Status Bar by Szalgiris

Rated 5 out of 5 stars 423 reviews

141,695 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.

LookOut by Aron Rubin

Rated 4 out of 5 stars 156 reviews

175,272 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).

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 367 reviews

66,545 users

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

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 191 reviews

69,339 users

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

CompactHeader by jmozmoz

Rated 5 out of 5 stars 162 reviews

100,861 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)

Thunderbird Conversations by Jonathan Protzenko, Standard8

Rated 4 out of 5 stars 421 reviews

29,307 users

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

FoxClocks by Andy McDonald

Rated 4 out of 5 stars 380 reviews

40,704 users

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

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

Rated 5 out of 5 stars 119 reviews

21,033 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!
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