Please note that only 9.1.0 or later version supports File Cache.
Please follow these steps to recover the file.
1. Launch XMind 2020,
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.
Please find file cache and restore your file.
If you still fail to recover the file with above method, please send the corrupted file to firstname.lastname@example.org. We will try to fix it for you.
If the file has become 0KB, we cannot repair it either.