Use an archive manager like WinZip or 7-Zip to open the first volume.
Ensure you have the complete set (2000v1137.part1.rar, part2.rar, etc.) in one directory. 2000v1137.part7.rar
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 Use an archive manager like WinZip or 7-Zip
When you see a file ending in .part7.rar , it means the original content was too large for a single file. Compression tools like WinRAR or 7-Zip split the data into sequential volumes. the extraction will fail