!!top!! Download Thunderbird 60 May 2026

If you try to downgrade from a newer version (like 78 or 91) back to 60, Thunderbird may refuse to open your profile. This is because newer versions change the database structure. To fix this:

Available in tar.bz2 packages for various architectures. download thunderbird 60

Open the disk image and drag the Thunderbird icon into your Applications folder. If you try to downgrade from a newer

Launch Thunderbird with the --allow-downgrade command line flag. download thunderbird 60

Easier ways to change date and time formats.