Look for files named SS-Mil-010_v.7z.001 , SS-Mil-010_v.7z.002 , SS-Mil-010_v.7z.003 , and so on.
If any part is missing, the archive will not open or will report a "data error." SS-Mil-010_v.7z.001
: Another widely compatible option available at RARLAB . Step 3: Extraction Process Right-click only the first file ( .001 ). Look for files named SS-Mil-010_v