How to Make ISO Files in OS X
- 1). Open the Applications folder, and then the Utilities folder. Double-click on the Disk Utility icon to run Disk Utility.
- 2). Drag-and-drop a disk image file into the left side of the Disk Utility program window. Click on the file to select it.
- 3). From the "Images" menu, click "Convert..."
- 4). Click the option "DVD/CD Master" as the Image Format.
- 5). Type a name for the converted file and add the extension ".cdr" to the end of the file name. Click "Save" to begin converting.
- 6). After Disk Utility has finished converting the file, locate the file in a new Finder window and replace the extension ".cdr" with the extension ".iso".
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