: Use a tool like 7-Zip or WinZip to right-click and extract only the first file in the sequence (the one ending in .001 ).
: Ensure you have all related files ( s3.7z.001 , s3.7z.002 , s3.7z.003 , etc.) in the same directory . s3.7z.003
: The .003 extension indicates this is exactly the third segment of the archive. : Use a tool like 7-Zip or WinZip