Add-ons
Appearance and Customization
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Custom Subject Column
Add a column to the message list that replaces the subject with a regular expression
Threaded List Switch
Provides a shortcut to switch threaded message list on or off.
Tag Sync for TB
Syncronise/transfer tags, to other TB installations.
POP and some IMAP servers don't store tags (keywords).
This addon helps to have the same emails tagged on all TB installations.
Uses a central database, can be installed on your PC or server.
quickfilter-kbd
A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.
Dysclusif
Simplifier la lecture de mails en supprimant l'écriture inclusive
Articles Toolbar
ThunderSuite - Customize your Quick Access Sidebar
This extension allows user editing of the spaces sidebar.
Create custom spaces from the extension options, to turn the new toolbar introduced with Supernova into your personal quick access toolbox.
Quick Spaces
Makes it possible to add custom addresses to the spaces toolbar
Open Google Tabs
Open up Google Calendar, Notes, and Microsoft Outlook in a new tab.
Mark Button
Toolbar button to mark a message as read or unread with 1 click.
Last selected message
The add-on remembers the last selected message in visited folders. After restarting Thunderbird, when we enter the previously visited folder, this message will be displayed, just like in Microsoft Outlook.
Group Favorite Folders
An extension for Thunderbird 115+ (Supernova) that groups and sorts favorites folders in the compact view.
Send Unsent Mail Button
Change Link Appearance
Changes the appearance of links when displaying a message
Dark Plain Text
Use dark mode styling when reading plain text emails with a dark theme.
Dropbox Paper
How Does It Work?
Once you install the add-on, a new icon will appear in the Thunderbird toolbar. Simply click on the icon, and it will open the Dropbox Paper tab.
Will the Dropbox Paper Add-on Collect My Data?
Never.
ThunderWebTabs
Opens Google Keep, Google Photos, Android Messages or any other website in Thunderbird's tab.
Users who encounter "Browser not supported errors" should try changing their User Agent. For more details, please visit the "Support site".
No tabs
Hides the tab bar and automatically removes all inactive tabs everytime a tab is opened or switched to.
New Bing Anywhere
New Bing isn't just for Edge anymore. Anywhere you want
To create your own collections, you must have a Mozilla Add-ons account.
