Jfv.7z.001 -

If you get an error saying the archive is "corrupt" or "cannot open," check if a part is missing from the folder.

All parts must have the exact same base filename (e.g., they must all start with JFV.7z ). If one is renamed, the extraction will fail. JFV.7z.001

Right-click specifically on the .001 file and select 7-Zip > Extract Here (or "Extract to [folder name]"). If you get an error saying the archive