: The .002 extension indicates this is not a standalone file. To extract its contents, you generally need the first part (often ending in .001 ) and all subsequent parts in the sequence.
: Right-click the .001 file and select "Extract" using a tool like the 7-Zip Manager or Unzip One . SS-MaiSS-023_s.7z.002
How to recover corrupted 7z archive
: Ensure you have SS-MaiSS-023_s.7z.001 , ...002 , and any other numbered parts in the same folder. SS-MaiSS-023_s.7z.002