Ok.7z.003

: The third part, which may contain the end of the compressed data and the final metadata block. How to Open OK.7z.003

: The second part, containing the next block of compressed data. OK.7z.003

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 : The third part, which may contain the

: The first part, typically containing the archive header and index of files. To extract the contents, you must have all

When 7-Zip creates a "split" archive, it divides the total data into sequentially numbered volumes:

It creates 3 parts: * 7z. 001: 32 bytes : Start Header. * 7z. 002: 2968 bytes : start of Compressed Data. * 7z. 003: 81898 bytes : How To Use 7-Zip To Compress & Extract Files - Step By Step