So, as you may have noticed we've began using the .ISO format for all newly created Xbox 360 Demo's. This is to help those who sometimes messes up, either by placing the file itself on the root of the disc or by messing up the folder structure. Either way, we will be using .ISO from now on. If you don't know what .ISO is, it basically means its a image file of the original disc. However, these demo's was never on a disc, they where generated to . ISO format using the files. Mostly likely by a program called MagicISO. Though, I'm now going to tell you how to extract the contents of the .ISO file so it may be combined with another. This will allow you to burn more than one file at once, saving you space on those expensive disc's. Step 1: It order to extract the contents of a .ISO file, your going to need a program which can do such a thing. I suggest you use 7-zip, its free! (Download and Install Required to follow tutorial) Step 2: Your going to also need to find some demos you want first. Digiex - Feed Your Mind Step 3: Now that you've got 7-zip installed, your gonna need to open it up, do that now. Step 4: Now begins the hard part for some, your gonna need to extract the contents of the . ISO to the desktop. (This is a simple Drag and Drop process) Step 5: Repeat Step 4 for how ever many demo's you wish to place on this disc. With one exception, with each new extraction your Drag and Dropping the contents of another demo to the desktop, Windows will alert you saying this folder already exists and will ask you do you wish to merge. Hit Yes! Step 6: Almost done, If your final result looks like this... Step 7: Now that it looks similar to that except for the folder names. The only two folder names that matter are Content and 0000000000000000. Your folders must follow this rule to work, Content>0000000000000000>There should be a bunch of folders listed here for each demo you've extracted. Example: (Please do not use these numbers) Content>0000000000000000>5841083A>000D0000>A069D30D469FC6E8B988E44B4463EBDE083952D758 This file, A069D30D469FC6E8B988E44B4463EBDE083952D758 inside of folder 5841083A is the demo itself! Step 8: Great, if you've got it all exactly, your ready to proceed with burning. That will follow in this guide.