• Find accidentally lost files

    Go to File -> click options and see the following

    Copy this directory into a file to open

    C:\Users\yb\AppData\Roaming\Microsoft\Word\

  • Use WPS to open a file with the suffix HBK. Select WPS according to the time of the file

In this case, of course, other Office file formats can be found in a similar manner, using WPS to open missing cache files