Download Thunderbird 146.0 (64-bit)

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

Updated: December 14, 2025

Size: 74.5 MB

Download

74.5 MB · December 14, 2025

Thunderbird%20Setup%20146.0.exe

Previous versions More »

146.0 December 14, 2025 74.5 MB 145.0 November 15, 2025 74.2 MB 144.0.1 October 19, 2025 72.3 MB 144.0 October 16, 2025 72.3 MB 143.0.1 September 26, 2025 71.9 MB 143.0 September 18, 2025 71.9 MB