I also know the versions are different but they are both the latest versions available for Thunderbird in Windows and Linux. I know I have not converted 32-bit to 64-bit, but I am not sure if this is required as I am transferring data and not application. I have checked and both Windows and Linux Thunderbird installations are the latest available versions. No accounts (I have 5 accounts), no emails, or passwords, so it asks me to set up my first account with the set up wizard already open! However, what I got was a message 'Need to create a new profile because this is an older version', and it created a new profile but folders are all empty. I removed pkcs11.txt from the profile folder thunderbird folder so profile folder is emptyĤ.

Copied all files from Profile folder into. Copied all files and folders including the ini files from Thunderbird profile in Windows to. thunderbird folder in Linux with -old so that I can recover them in case they are neededĢ.

I followed the instructions to migrate from Windows 7 to Linux as described in Thunderbird support forums. Migration from Seamonkey to Thunderbird worked fine on Windows 7. Originally the Windows PC had Seamonkey, and reading about the migration I decided it is best to switch to Thunderbird in Windows 7 before migrating as Seamonkey appeared to have a lot of issues when migrating to Linux. I am migrating a Windows 7 PC to a brand new Linux Mint PC, but both PCs are on Windows Workgroup so I am not using flash drives to copy data. It may be that it refers to older version of Mint. There is thread on this which is marked as 'Solved', but I have not been able to successfully complete the process following the instructions on that thread.

Thunderbird 64 bits windows 10