Converting an ISO to XEX is a standard process in Xbox 360 modding that extracts raw game files from a disc image (.ISO) into a folder-based format. This format is primarily used by modded consoles (RGH/JTAG) to run games directly from a hard drive or USB without needing the original disc. What is an ISO to XEX Converter?
If your goal is simply to play backups, you have options that skip the XEX conversion step entirely. iso to xex converter