Is this recoverable?

Hello!

I tried opening this MuseScore file I'd been working on; MuseScore told me it can't open the file because it is corrupted. I don't remember how this could have happened!

I tried opening the autosaved file by deleting the '~' at the end of the file name, but MuseScore told me this is also corrupted and can't be opened. I looked in any local MuseScore 4 folders in my drive, and I couldn't find any other versions of this file. I've also tried extracting the autosaved file (which I saw suggested somewhere), but WinRaR says there's nothing to extract.

Is there anyone who can figure out if there's a way to get the file back or if it's unsalvageable? I normally back-up all my files on another hard drive, but the last time I did this was before the creation of this current piece.

God bless,
John