If you suspect it contains useful data, use a hex editor like HxD or the strings command in Linux to look for human-readable headers that might identify the source program.
A file with the . Unlike standard text files that humans can read using basic text editors, binary files contain compiled data or raw executable machine code. e2005b7f394646f387283eef9a3582c1.bin
: Modern smart devices, internet routers, and IoT hardware download their operating systems in binary format. The update system renames the file to its MD5 hash to confirm the download is complete and uncorrupted before flashing. If you suspect it contains useful data, use