Download |verified| Thunderbird 78.14.0 For Mac May 2026

Some users prefer the classic interface of the 78 series before the "Supernova" redesign of more recent versions. Where to Find the Official Download

Select your preferred language (e.g., en-US for American English). Click the .dmg file to begin the download. How to Install on macOS download thunderbird 78.14.0 for mac

Go to ~/Library/Thunderbird/ and copy your "Profiles" folder to an external drive. Some users prefer the classic interface of the