: Ensure you have all the necessary files in the same folder. At a minimum, you need RUS-8.7z.001 and RUS-8.7z.002 . If there are more (like .003 ), you need those too.
The software will automatically detect RUS-8.7z.002 and any subsequent parts to reconstruct the original file. Troubleshooting RUS-8.7z.002
: If you get a "Can not open file as archive" error, you are likely missing one of the parts. Double-check that the file sizes of the first parts are identical (usually 1GB, 2GB, or 4GB chunks). : Ensure you have all the necessary files in the same folder