Up & Coming Extensions

Subscribe

Emoji Menu Requires Restart

Adds the ability to easily insert emojis into your composed messages in Thunderbird.

Rated 4 out of 5 stars (8)
5,382 users

Folder Account Requires Restart

Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.

Rated 4 out of 5 stars (50)
2,309 users

Mark All Read Button Requires Restart

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.

Rated 4 out of 5 stars (31)
3,396 users

Year view Requires Restart

Year view for calendar.

Rated 4 out of 5 stars (49)
3,453 users

Close tab on ESC Requires Restart

Closes a Mozilla Thunderbird tab when pressing the Escape key.

Rated 5 out of 5 stars (40)
2,786 users

QuickFolders (Tabbed Folders) Requires Restart

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!

Rated 5 out of 5 stars (120)
21,220 users

ThunderCal Requires Restart

ThunderCal simply gives you a toolbar button that you can use to run Google Calendar inside Thunderbird. Inspired by the ThunderWave add-on.

Rated 3 out of 5 stars (19)
6,436 users

Lightbird Requires Restart

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (19)
2,965 users

Message Notes Plus Requires Restart

Message Notes Plus allows to add notes to emails. The notes don't affect the email in any way.
They are stored locally on your hard drive.

The commercial version of the add-on allows to share notes with other users: http://msgnotes.alehro00.com

Rated 4 out of 5 stars (31)
3,517 users

ICS Inspector Requires Restart

This extension provides many debugging options related to calendar development. This includes showing the ics data for an event or calendar, evaluating javascript on an event or calendar, and some menu options for debugging.

Rated 4 out of 5 stars (1)
1,043 users

Gather the senders ! Requires Restart

Select all the mails in a directory sent by the selected authors.

Rated 4 out of 5 stars (20)
1,267 users

XNote++ Requires Restart

Persistent sticky notes for Thunderbird associated to mails.
This is a port to Thunderbird >= 3 based on XNote 2.1.0 ( https://addons.mozilla.org/en-US/thunderbird/addon/3093 ) with bugfixes and additional features.

Rated 5 out of 5 stars (67)
20,504 users

Lightning Month Tabs Requires Restart

This addon adds month tabs into Lightning calendar month view

Rated 5 out of 5 stars (7)
6,355 users

Dcurrency Requires Restart

Currency exchange rates in the status bar (data from Yahoo!Finance or Google on option).
Display currency graphs.

Rated 4 out of 5 stars (125)
1,016 users

Identity Chooser Requires Restart

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 5 out of 5 stars (91)
7,857 users

Image Zoom (ugly fixes) Requires Restart

An ugly attempt at fixing Image Zoom

Rated 4 out of 5 stars (17)
2,016 users

Copy Sent to Current Requires Restart

Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.

Rated 4 out of 5 stars (67)
2,952 users

DKIM Verifier Requires Restart

Verifies the DKIM-Signature of an e-mail.

Rated 4 out of 5 stars (17)
5,456 users

Mail Merge Requires Restart Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (155)
59,546 users

Account Colors Requires Restart

Associates user-defined colors with accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.

Rated 4 out of 5 stars (83)
12,519 users