If your Outlook shows the “Error 0x80070021, Another process has locked a portion of the file“, use these fixes to resolve this error message: Check if Outlook ...

If you receive The Extraction Operation was not Completed, Error 0x8096002A: No error description available message while decompressing or extracting an archive on ...

Seriously, once PowerToys is installed, all you have to do is right-click on the offending file and choose "Unlock with Locksmith." Then a window pops up telling you exactly what program is locking ...