Thunderbird 90 Download New! 【UHD 2026】

New keyboard shortcuts were added for To/CC/BCC fields, and users gained the ability to show empty CC/BCC rows by default. Installation Guide How to Download and Install Thunderbird

The v90 beta introduced several "firsts" for the platform that eventually became staples of the modern Thunderbird experience: thunderbird 90 download

Because version 90 was a , it is not listed on the main Thunderbird.net download page , which focuses on the stable Release and Extended Support Release (ESR) channels. New keyboard shortcuts were added for To/CC/BCC fields,

Available as an .exe or .msi installer for 64-bit systems . macOS: Available as a .dmg or .pkg file. Linux: Available in .tar.bz2 format for manual extraction. Key Features in Thunderbird 90 thunderbird 90 download