Rus-21.7z.002

: You cannot open .002 directly. You must start the extraction process with the first file in the sequence, typically RUS-21.7z.001 [ 1.2.2 ].

The file is the second segment of a multi-part compressed archive created using 7-Zip . RUS-21.7z.002

: Select "7-Zip" > "Extract Here". The software will pull data from .002 and others automatically to recreate the original files [ 1.2.3 ]. : You cannot open