Download Thunderbird 139.0

A free email application from Mozilla that`s easy to set up and customize

Updated: May 29, 2025

Size: 131 MB

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131 MB · May 29, 2025

Thunderbird%20139.0.dmg

Previous versions More »

147.0.2 February 18, 2026 138 MB 147.0.1 January 30, 2026 139 MB 147.0 January 16, 2026 138 MB 146.0 December 14, 2025 136 MB 145.0 November 15, 2025 136 MB 144.0.1 October 19, 2025 134 MB