To extract the contents, you must have all parts (e.g., part1 through part7) in the same folder.
If any part is missing or corrupted, the extraction will fail, typically resulting in a "CheckSum Error" or "Unexpected End of Archive." How to Handle These Files 2000v1137.part7.rar
Use an archive manager like WinZip or 7-Zip to open the first volume. To extract the contents, you must have all parts (e