Search

Safelink removal

Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.

Rated 5 out of 5 stars (2)
167 users

Download Now

Header Tools Improved

Allows to modify headers and source of messages

Rated 5 out of 5 stars (37)
2,426 users

Download Now

Open in browser

A context menu item to open the links associated with feed items in the default browser and then mark them as read.

Rated 5 out of 5 stars (1)
300 users

Download Now

Archive old messages

A context menu item to archive all messages than older than a given duration.

Not yet rated
403 users

Download Now

Telegram Web in Thunderbird

Open Telegram Web in Thunderbird

Rated 5 out of 5 stars (5)
726 users

Download Now

Autofile - fast e-mail to folder filing

Read an e-mail, hit Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed. Autofile can discover folders to store each author mail. Will save you lots of time like defunct filemail.

Rated 4 out of 5 stars (5)
286 users

Download Now

Metamorfik

The Altium Forums are the best way to participate in discussions, share tips, ask/answer questions and locate resources.

Not yet rated
1 user

Download Now

FileLink for Plik

Plik no longer offers uploads without an account. So the add-in currently only works for self-hosted instances of the software. Currently I cannot promise a date for a fix. Sorry.

Rated 5 out of 5 stars (4)
3,324 users

Download Now

Search for

Context menu on message allowing quick filtering based on email/sender or domain

Rated 5 out of 5 stars (7)
1,294 users

Download Now

Just Report It

Just Report It (https://justreport.it) is an email plugin which tackles spam the right way. Report emails straight to SpamCop, the Registrar, a custom email address or any combination in between!

Rated 5 out of 5 stars (14)
772 users

Download Now

DS-BCC

Data protection extension, to avoid data mishaps with circular mails:

1. warning for e-mail with multiple recipients not in BCC (exceptions possible)
2. warning for roundmails with a different recipient domain
3. warning if PGP key is present

Not yet rated
78 users

Download Now

BCM Bengali (Bangladesh) Spellchecker

Spellchecker for Bengali (Bangladesh) following Bangla Academy and Prothom Alo standards: See https://banglatypefoundry.com/spellchecker/

Not yet rated
7 users

Download Now

Scriptable Notifications

Allows you to define an external script (bash, batch, python, ...) which is called so you can manage mail notifications / alerts the way you want.

Snap/Flatpak versions of Thunderbird not supported.

Rated 5 out of 5 stars (2)
278 users

Download Now

Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,289 users

Download Now

Export to ZIP

Export your mails and folders to a zip file!

Rated 3 out of 5 stars (12)
1,867 users

Download Now

Zulip - Quick Access

Quick Access to Zulip in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
3 users

Download Now

Mark Subfolders Read

Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.

Rated 4 out of 5 stars (2)
56 users

Download Now

Webpage Opener

Adds a button to the toolbar to open a user defined webpage.

Rated 5 out of 5 stars (1)
30 users

Download Now

Thunderbird Send

[Alpha Testing] Thunderbird send allows sending and receiving end to end encrypted files.

This add-on is undergoing testing and not yet available to the general public.

Rated 1 out of 5 stars (1)
21 users

Download Now

Antispam

Sending email to the Antispam database

Not yet rated
0 users

Download Now