Recently Updated Extensions

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*cloud - FileLink for Nextcloud and ownCloud

Upload large attachments to your Cloud and send the link by email

Rated 5 out of 5 stars (5)
2,143 users
Updated April 1, 2020

Dictionary for recipient

Sets the spell check dictionary based on the first recipient

Not yet rated
138 users
Updated March 31, 2020

Limit non-BCC recipients

Check that number of non-BCC recipients does not exceed a parameter.

Not yet rated
1 user
Updated March 28, 2020

Enigmail Requires Restart

OpenPGP message encryption and authentication for Thunderbird.

Rated 4 out of 5 stars (248)
117,817 users
Updated March 28, 2020

HeaderTools Lite Requires Restart

Allows to modify the header and the source of messages

Rated 5 out of 5 stars (14)
724 users
Updated March 28, 2020

Expand mailing lists

Adds an 'expand lists' button to the compose window. It replaces all mailing lists with their contacts.

Not yet rated
2 users
Updated March 28, 2020

Single Domain

Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.

Rated 5 out of 5 stars (3)
309 users
Updated March 28, 2020

EditEmailSubject (Edit email Subject) Requires Restart

This module allows you to change/edit email subjects

Rated 4 out of 5 stars (79)
2,553 users
Updated March 28, 2020

Edit Email Subject Requires Restart

Edit Email Subject for Thunderbird

Rated 5 out of 5 stars (15)
1,185 users
Updated March 28, 2020

Display Mail User Agent T Requires Restart

Displays the mail program with which the selected mail was written

*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.

Rated 5 out of 5 stars (5)
3,145 users
Updated March 28, 2020

Thunderbook Requires Restart

Export messages (including RSS items) as e-books.

Rated 5 out of 5 stars (2)
141 users
Updated March 27, 2020

Provider for Exchange ActiveSync Requires Restart

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Rated 5 out of 5 stars (11)
19,146 users
Updated March 27, 2020

Provider for CalDAV & CardDAV Requires Restart

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, Google, ownCloud, Nextcloud, Radicale and many more.

Rated 5 out of 5 stars (22)
21,682 users
Updated March 27, 2020

QuickNote T Requires Restart

A note taking extension with advanced features.

Only QuickNote is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.

Not yet rated
2 users
Updated March 26, 2020

Lightning Colors Reminder Requires Restart

Let's show the calendar color on Lightning reminders!

Rated 4 out of 5 stars (3)
1,644 users
Updated March 24, 2020

DeepDark for Thunderbird Requires Restart

Dark mode for Thunderbird UI

Rated 5 out of 5 stars (25)
5,730 users
Updated March 23, 2020

FileLink for Plik

Upload large attachments to Plik and send the link by email

Not yet rated
12 users
Updated March 21, 2020

MRC Compose Requires Restart

Remplace la liste d'adresses par les champs standards (Pour, Copie à, Copie cachée à) avec l'autocomplétion.
Provides standards fields (TO, CC, BCC) with autocomplete to Thunderbird's compose pane.
For bug reports, please use support email.

Rated 4 out of 5 stars (62)
2,121 users
Updated March 21, 2020

BrowseInTab

BrowseInTab lets you open and browse any link in a Thunderbird content tab. Links are followed within the tab and back/forward navigation is supported.

Rated 5 out of 5 stars (2)
54 users
Updated March 20, 2020

Copy Address

Copy email address to clipboard.

Not yet rated
15 users
Updated March 20, 2020