But when you are about to use it on a Windows system, you would need extra help of either offline third-party tools or online tools to do the job. In fact, you can do that with in-built utilities. Since it is Mac OS compatible, so it is easier to burn it to USB using a Mac platform. DMG files are generally found to be compressed and encrypted. New Disk Image Format (NDIF) was the previous default disk image format in Mac OS 9, and disk images with this format generally have a.img (not to be confused with raw.img disk image files) or.smi file.įor those who don't know, DMG files are mountable disk image files for Mac OS, just like ISO files of Windows OS. Disk images in this format typically have a.dmg extension.
Universal Disk Image Format (UDIF) is the native disk image format for Mac OS X.
