Hello there spadoni. We have read your message. We try to help you. What is the question about your Mac or imac? Your location of profile?(time machine). The profile map exicst on your Mac.(hard drive). If you install the latest Thunderbird software or delete it , it s on your device( Mac.) It s called your profile map.(on the harddrive). Can I help you to find it? https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data The time machine is still on or near your Mac.(oke). Is it the build in chip on a MacBook? Did you replace the ssd? https://www.easeus.com/computer-instruction/fix-time-machine-corrupt-issue-on-mac-and-restore-lost-time-machine-backups.html (Scanned) Greetings Firefox volunteer.