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Download Thunderbird in your language

Get the award-winning email application from Mozilla. Import your existing mail and enjoy our new features like tabbed email and advanced search.

The Future of Thunderbird

Experience cutting edge features. Provide feedback to help refine and polish what will be in the final release.

Thunderbird Nightly

Help us test the newest developments made to Thunderbird every day by using the unstable Nightly channel.

WARNING! Nightly is an unstable testing and development platform, make sure you back up important data regularly!