Right-click specifically on the (the one ending in .001 ). Select "Extract Here" or "Extract to [Folder Name]" .
How to Extract Multiple 7ZIP Files at Once [.7z.001 .7z.002 .7z.003...]
: If even one part (like .002 ) is missing from the folder, the extraction will fail or result in a corrupted file.
: If the archive is password-protected, you will be prompted to enter the password during the extraction of the first volume.