Step 2Choose and right-click on the “DMG Mount”. Step 1Double-click the DMG file and open “Disk Utility” on your Mac. Now you can follow the steps below to convert your DMG file. Apple provides a Disk Utility to help you make the conversion from DMG to ISO with ease. Considering that, DMG is the native disk image format used by Apple. In fact, it’s quite simple to convert DMG to ISO on Mac. Two free solutions are offered to make sure you can handily make the DMG file conversion. If you are a Mac user and have the need to free convert DMG to ISO, you should pay more attention to this part. Whether you want to free convert DMG on Mac or Windows PC, you can find suitable DMG to ISO converter tools from this page. This post shows 3 simple and free ways to help you turn DMG into ISO file. Can I convert it with Disk Utility? How to do it? Any help?įor various reasons, you will have the need to convert DMG to ISO. But right now I do need to convert it to ISO file. I used to install new software with DMG file. 3 Easy Ways to Free Convert DMG to ISO How to free convert DMG to ISO file? I’m using an Macbook Air with Mac OS X and have a.