If you are trying to handle this file within a PHP script, note the following:
: Always open or extract only the file ending in .001 . Modern extraction tools will automatically detect and join the subsequent parts like .003 to reconstruct the full data. Recommended Tools :
: To extract a multi-volume archive via command line, you only point the command at the first file (the .001 file), and the utility handles the rest.
: The native and free utility for this format. You can download it from the official 7-Zip website .