Thunderbird saves its data in Thunderbird profile folder. Although, it supports auto-detect function for selecting messages, still, if this function doesn’t work for you due to any technical issue then you can find your Thunderbird data from –
- Thunderbird Profile Folder Location for Windows: C:\Users\admin\AppData\Roaming\Thunderbird\Profiles\profile_name\
- Thunderbird Profile folder Location for MAC system: /Users/ username/Library/ Thunderbird/ Profiles/
Note – You can move Mac Thunderbird mailboxes data in Windows then the software also work for them to migrate in Outlook Windows.