Download Thunderbird 143.0

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

Updated: September 18, 2025

Size: 133 MB

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133 MB · September 18, 2025

Thunderbird%20143.0.dmg

Previous versions More »

143.0.1 September 26, 2025 133 MB 143.0 September 18, 2025 133 MB 142.0 August 21, 2025 133 MB 141.0 July 26, 2025 132 MB 140.0.1 July 13, 2025 131 MB 139.0.2 July 02, 2025 130 MB