Please note that only 9.1.0 or later version supports File Cache.
Please follow these steps to recover the file.
1. Launch Xmind ,
2. Enter File > File Cache,
3. Find the file you need and select Retrieve.
If you cannot restore your file from File Cache,
Please input below in the address bar of file explorer and hit the enter key.
%HOMEPATH%\AppData\Roaming\XMind\Electron v3\vana
Please find file cache and restore your file.
If necessary, please send the corrupted file to support@xmind.app and we will try to fix it for you.