Dark Message Mode

Thunderbird’s Dark Mode now automatically adapts your messages when enabled, to ensure your Dark Mode experience stays totally dark. Need to bring your messages back into the light in case of visual problems? Adjust your message view as needed with a quick optional toggle.

Appearance Settings

Make Thunderbird yours across all your folders and accounts with a single click in the Settings (panel). Change your message list layout between Cards and Table view, adjust your Cards View, and set your default sorting order and threading options with ease.

Native OS Notifications

Leverage the speed and ease of your Operating System’s built-in notifications, whether you’re on Windows, Linux, or Mac. Quickly delete, archive, or use customizable actions directly from your notifications and get more done with your day.

Account Hub

Adding a new account to Thunderbird is now easier than ever. Connect all of your emails, address books and calendars in a few easy steps.

Manual Folder Sorting

Don’t like the order for your custom folders? Just click and drag to arrange them exactly how you want.

Don’t like the order for your custom folders? Just click and drag to arrange them exactly how you want.

More Refinements & Updates

Experimental Exchange Support Natively set up a Microsoft Exchange account in Thunderbird by enabling a preference.

Export for Mobile Generate a QR code to quickly transfer your account settings and credentials to your Thunderbird for Android app.

Horizontal Scroll for Table View Lots of tabular data? Let the message list scroll horizontally, like a spreadsheet or file manager.

Bug Fixes and Improvements

Thousands of bug fixes and performance improvements to bring you the smooth, reliable Thunderbird experience you expect.

Looking Forward

Whether you’re waiting for the next Thunderbird ESR or total solar eclipse, we understand that sometimes you want new features, or that cosmic awe, sooner. While we can’t change the universe, you can now get the latest Thunderbird features as they land, instead of once a year. Switch to Thunderbird Release and enjoy monthly updates with the same dependable stability.

Mozilla Thunderbird 147.0, released on January 13, 2026, brings key improvements to the "Nebula" (v128+) codebase, focusing on enhanced folder handling, search fixes, and performance for large mailboxes. It introduces a "Show Full Path" option in the folder pane, refined localization for special folders, and improved OpenPGP attachment handling. 

Key Features and Updates in Thunderbird 147.0

• Folder Management: Added a "Show Full Path" option in the folder pane for better visibility.

• Localization: Improved how special folders are handled and introduced a mail.useLocalizedFolderNames toggle.

• Bug Fixes: Resolved issues with compacting multiple folders, incorrect names in unified archives, and displaying search results (selected status/priority).

• Security: Fixed a bug where the "Open and Show" button failed for .eml attachments with OpenPGP signatures.

• Compatibility: Supported on Windows 10+, macOS 10.15+, and Linux (GTK+ 3.14+). 

Arabic

https://www.mediafire.com/file/y2ewuri4gljf1zp/Mozilla+Thunderbird+Nebula+147.0.1+Ar+AIO+Silent+Install.7z/file





https://mir.cr/55954EC5

English

 

https://www.mediafire.com/file/lmaa6q8zd6dyusr/Mozilla+Thunderbird+Nebula+147.0.1+En+AIO+Silent+Install.7z/file


  

https://mir.cr/97636F76


Edited 1 hour ago1 hr by T3rM1nat0Rr3

What’s New in version 137.0.2:

What’s New in version 140.0:

Mozilla Thunderbird Nebula 142.0 update

Version 145.0 | Released November 13, 2025

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.

Version 147.0.1 | Released January 28, 2026

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.

System Requirements: Details

• Windows: Windows 10 or later

• Mac: macOS 10.15 or later

• Linux: GTK+ 3.14 or higher

What’s Fixed

Fixed

Thunderbird crashed during search, even when not actively searching

Fixed

Security fixes