78 [upd] - Download Thunderbird

For the highest security and reliability, always use official or verified channels:

: One of the most requested features, a native dark theme was fully implemented in this series. Where to Safely Download Thunderbird 78 download thunderbird 78

: Sites like Uptodown and FileHippo host legacy versions for users who need them for compatibility. System Requirements for Version 78 For the highest security and reliability, always use

Before installing, ensure your hardware meets these standards: For the highest security and reliability

: This version marked the transition to native end-to-end email encryption, replacing the need for external add-ons like Enigmail.

: Version 78 introduced "pills" for recipient addresses, a redesigned account setup hub, and customizable folder icon colors.