
Discover Thunderbird: Your Go-To Email Client
Thunderbird is a robust, free, and open-source email management tool that operates smoothly across multiple platforms. Unlike web-based email services, Thunderbird allows users to manage their emails and news feeds locally, providing a powerful yet user-friendly experience.
Customization at Your Fingertips
With a clean and elegant interface right out of the box, Thunderbird is designed for easy personalization. Users can customize the appearance and workflow to suit their specific needs, ensuring that each interaction is seamless and efficient.
Community and Development
Supported by Mozilla Corporation and a passionate community of volunteers, Thunderbird prioritizes user control and ownership over their email communications. To enhance functionality, a variety of add-ons are available, enabling users to modify their email experience significantly.
Feature-Rich Email Management
Thunderbird offers an array of features that empower users to manage their emails more effectively:
- IMAP and POP email support
- Integrated RSS reader
- Full support for HTML emails
- Powerful search capabilities
- Advanced message filtering and grouping
- Custom labels and return receipts
- Smart address book with LDAP integration
- Tools for importing data
- Management of multiple email and newsgroup accounts
Latest Update: Thunderbird 144.0
What’s New in Version 144.0
Here are the significant updates and fixes introduced in the latest version:
- The Flatpak runtime has been updated to Freedesktop SDK 24.08.
Bug Fixes and Improvements
- Resolved issues with copying text from certain error alerts.
- Addressed concerns with Fastmail CalDAV app password access.
- Fixed problems related to deleting attachments in OpenPGP messages.
- Corrected visibility of newly created folders in “Recent”when moving messages.
- Improved the display of sender avatars under specific formats.
- Enhanced threading capabilities in message sorting.
- Eliminated issues with unread news messages marked after NNTP errors.
- Translation fixes for the Inbox ‘Location’ column in French installations.
- Ensured all headers were signed for digitally signed OpenPGP emails.
- Resolved issues with reading mail signed using OpenPGP v6 and PQC keys.
- Addressed functionality problems with S/MIME certificates.
- Improved usability in the compose window and handling of mailto links.
- Fixed issues with image previews in the Insert Image dialog.
- Addressed various bugs that could lead to application crashes.
- Improved message copying actions in newsgroup filters.
- Fixed profile import issues from bad sources.
- Enhanced user distinction between Thunderbird Release and ESR versions in Windows registry.
- Improved notifications during multi-attachment actions.
- Resolved issues with auto-checking multiple accounts for new messages.
- Restored functionality for the Reply All button when using Microsoft Exchange accounts.
- Improved email sending capabilities with self-signed certificates.
- Fixed task reminders for tasks lacking end dates or with adjusted due dates.
- Addressed drag-and-drop issues for copying events in multiweek or month views.
- Fixed various calendar discovery issues related to certificate errors.
- Implemented visual and UX enhancements.
- Security fixes were also introduced.
Download Thunderbird 144.0
Experience the latest features by downloading Thunderbird 144.0 from the links below:
- Windows (64-bit) | ~70.0 MB
- Windows (32-bit) | ~70.0 MB
- Linux | 74.7 MB
- Mac OS | 132.0 MB
- Other languages
Explore More
To learn more about Thunderbird and its features, visit the official website. You can also check out the release notes for detailed information regarding updates and new functionalities.

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