
Thundrebird loses settings and emails
Hi everyone I use Thunderbird Portable on an external SSD. I switch between a Windows 10 and a Windows 11 computer. On the Win11, I am experiencing some issues. When I run TB, sometimes the app "loses memory" and it opens as the first time, although the local folders seemingly should have all the emails (some folders have appropriate date and time, and the total size of the folder is OK). But I have no possibility to recover these emails. I tried to import them, but there always is some problem. I tried to copy all the folders in a previous (working) backup copy of TB, but still doesn't work.... how can I fix this?
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I add some more info I have daily backups of the whole TB portable folder. If I open the TB copy of day 1 (correctly working), can I import the emails from TB copy of day 2 (no longer working)? If I move all the folders of TB day 2 into the TB day 1 copy, it seems not to work (on opening TB requests setting everything up.....).