How to change a .000 file to iso file for xbox 360 back up?

well i was downloading a back up for skate 2 for the xbox 360 when i downloaded i found a .000 file i read on forums poeple said rename to .iso i did that but when i checked if the DVD works it say mixed media disk



my xbox is modded



as i read comments it worked for everbody else



i dont understand please helpHow to change a .000 file to iso file for xbox 360 back up?
Right click and rename to .iso. Run it through ABGX360 and open the .dvd file in ImgBurn and set the layerbreak settings to 1913760 then burn.

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