Downloading ROMs and ISOs for games you do not physically own is considered copyright infringement in most countries. To stay safe and legal:
Modern custom dashboards like UnleashX or XBMC can mount XISO files directly without extracting them. ⚠️ A Note on Legalities and Safety
XISOs strip out massive dummy files used for copy protection. Xbox Xiso Roms
To play XISO files on a real Xbox or Xbox 360, your console must be modified (hardmodded with a chip or softmodded).
Processing batches of games for original Xbox consoles. Another legendary tool in the Xbox modding community. What it does: Features a built-in FTP client. Downloading ROMs and ISOs for games you do
To help you get started with your retro project, let me know: Are you targeting the or Xbox 360 ? Will you be playing on an emulator or real modded hardware ?
If you are dealing with Xbox 360 games, this is the go-to software. To play XISO files on a real Xbox
This is a classic, lightweight tool perfect for the original Xbox.