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Minimize on startup

Minimize thunderbird window on startup!

Rated 4 out of 5 stars (8)
5,280 users

Safe Links Cleaner

Clean up the display of links rewritten by Microsoft ATP Safe Links when reading and composing mail, so the original links can easily be viewed and copied, while retaining the rewritten addresses as the actual target of all links.

Rated 4 out of 5 stars (2)
123 users

Dictionnaire occitan gascon

Corrector ortografic en occitan gascon entà Thunderbird.
Correcteur orthographique en occitan gascon pour Thunderbird.

Not yet rated
9 users

TuLPe

Traffic light protocol extension for Thunderbird, messages are customizable in the option page.

Not yet rated
16 users

Restart Button

Adds a Restart Button, restarts Thunderbird

Rated 4 out of 5 stars (12)
1,391 users

Snakes by Bluemods

Classic Snakes game at your fingertips.

Snakes by Bluemods is a free-to-play single-player classics arcade game designed and developed by Justin Gates at Bluemods.com. The game allows the players to maneuver a snake made up of tiny squares.

Not yet rated
24 users

To must occur only once

This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.

Rated 5 out of 5 stars (1)
23 users

ThunderbirdBravoClick2Call

Make a call to the selected phone number. Call the public numbers shown on the site via the BRAVO UCC SOLUTION platform by clicking or highlighting them

Not yet rated
1 user

MyTickets

Extension to mails that have TicketID: XXXX in Subject
It will Check to see if you have a "MyFolders" folder under your INBOX.
If yes it will create two child folders:
- Open
- Closed
IT will sync All Open Folder every 5 minutes

Not yet rated
13 users

Open by Message-ID

For any 'mid', 'mailto', 'news', or 'nntp' URI in the message body that may contain a Message-ID, this adds menu items to the context menu to attempt to open the message for that ID from the message database, from a news server, or in a web browser.

Rated 5 out of 5 stars (1)
14 users

Check before sending email

Before sending an e-mail, a pop-up window clearly displays check items such as the destination address, body text, and attached files, prompting the sender to confirm before sending the e-mail.

Rated 4 out of 5 stars (1)
397 users

Pywalfox

Dynamic theming of Thunderbird using your Pywal colors.

https://github.com/Frewacom/pywalfox

Rated 3 out of 5 stars (6)
291 users

CloneMessage

When composing an email, CloneMessage allows you to duplicate the current state of the email.

Rated 5 out of 5 stars (1)
148 users

Next Unread Thread (Mark All Read)

Adds a Thread button, marks current thread or conversation as read and moves to the next unread message

Rated 5 out of 5 stars (4)
123 users

InsertSignature

Insert signature helps you to insert usually used text by your customization.

Rated 4 out of 5 stars (14)
1,449 users

New Tab

It's Open New Tab Within ThunderBird

Rated 5 out of 5 stars (4)
102 users

Compose Responsive Images

When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.

Rated 5 out of 5 stars (2)
197 users

Skiff Mail

Integrates a Skiff Mail button into the Spaces toolbar. It opens the Skiff Mail website in a new tab.

Not yet rated
11 users

Dino Game

Play the Dino game from Google Chrome and challenge friends to beat your score.

Rated 5 out of 5 stars (1)
11 users

HTML Source Editor

Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.

Rated 5 out of 5 stars (13)
4,395 users