Thunderbird 3.1 is now available for download

Mozilla Messaging is proud to announce that Thunderbird 3.1 is now available for download from

Thunderbird 3.1, based on the Gecko 1.9.2 platform, was built by a community of passionate contributors, experienced developers, security experts, localization and support communities, and thousands of active testers.

Some of the new features:

New Quick Filter toolbar
New Migration Assistant
Saved Files Manager
Several fixes to improve upgrading from Thunderbird 2
Several design improvements and corrections to the interface
Stability, memory, and password handling improvements

As always Thunderbird 3.1 is available as a free download:

Thunderbird 3.1 is also available in 46 languages – get your local version:

We encourage developers to read the Thunderbird 3.1 for Developers article on the Mozilla Developer Center.

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