: The first part, typically containing the archive header and index of files.
You cannot open the .003 file by itself. To extract the contents, you must have all parts of the set (e.g., .001 , .002 , and .003 ) present. How to recover corrupted 7z archive OK.7z.003
: The second part, containing the next block of compressed data. : The first part, typically containing the archive
: The third part, which may contain the end of the compressed data and the final metadata block. How to Open OK.7z.003 : The first part
When 7-Zip creates a "split" archive, it divides the total data into sequentially numbered volumes: