Select > Extract Here . The software will automatically bridge the parts to produce the full uncompressed file. Do you have the other numbered parts of this archive, or
This is a 7-Zip multi-part archive . The .001 extension indicates it is the first segment. To extract the contents, you must have all subsequent parts (e.g., .002 , .003 ) in the same folder. SS-Mai-036_v.7z.001
If you only have the .001 file, you will encounter an "Unexpected end of data" error during extraction. You generally need the entire set to reconstruct the original file. How to Open Select > Extract Here
Collect all numbered parts ( .001 through to the final part) in one directory. Right-click the .001 file. SS-Mai-036_v.7z.001