No, only packet-sniff and reverse-engineer as last result (your time is valuable). There are lots of documented information, e.g.: https://www.abebooks.com/97

No, only packet-sniff and reverse-engineer as last result (your time is valuable). There are lots of documented information, e.g.: https://www.abebooks.com/9781850321170/File-Formats-Handbook-Gunter-Born-1850321175/plp https://www.abebooks.com/9781850321170/File-Formats-Handbook... There other books available as well. And of course, these days, lots of info online.