: Use the official 7-Zip software for Windows or Keka for macOS. Open Part 1 : Right-click the file ending in .001 .
: If one part is significantly smaller than the others, it is usually the final volume in the set. SS-Vio-018_v.7z.002
: If you get a "Data Error" or "CRC Failed," one of the parts (like your .002 file) may be corrupted or incomplete. : Use the official 7-Zip software for Windows