If the Mac computer was broken or crashed and couln't get into the system, but you only have access to a Windows PC, there's still a way to make a bootable macOS install USB on Windows. A DMG file, like ISO, can be used to install macOS operating system or Mac apps. It is the Mac equivalent of an ISO file that has been in use since Apple transitioned from the IMG format with Mac OS X. That's because DMG is not native on Windows. To create a bootable USB drive from a DMG file on Windows, you will need to have the right utility.

Before we start, let's download a dmg file from the public domain. Here are ways that you can convert dmg files to iso files on Mac OSX, Windows and Linux.Please note that you can't boot your Mac from bootable USB made from an ISO file, which means you'll have to convert it back to DMG prior. Since ISO is a better format for Windows, you can also convert the DMG to the ISO format and then use the ISO disk image to create the bootable USB.

Convert DMG to ISO and Create macOS Boot USB from Windows.

You can then burn the ISO image to your disc or mount it to CD drive for your own purpose in Windows.

After a few minutes of processing, your DMG will be converted to ISO format.

In my example I want to convert a Mac installer image called 10.7.Lion.dmg, and save the converted ISO as mac.iso, so my command would be:ĭmg2img.exe c:10.7.Lion.dmg c:mac.iso

Now use the following command syntax to convert your DMG file:ĭmg2img.exe.

Open a Command Prompt and then use the cd command to navigate to the folder where you extracted the dmg2img file.

Extract the contents of the downloaded dmg2img-1.6.5-win32.zip file to a new folder.

First head over to this website and grab yourself a copy of dmg2img by clicking on the win32 binary link.

How to Convert DMG Image to ISO format in Windows?

These files cannot be opened easily on Windows Operating Systems as they are intended for. These files are usually used to install programs on computers having Mac OS. In this article we’ll show you how to convert DMG files to ISO format in Windows using the freeware dmg2img.ĭMG Mac OS X Disk Image The.dmg extension file is a disk image file, formatted by Apple Macintosh OS X. But if you are a Windows user, you will be in trouble, since Windows can not recognize dmg format by default. dmg files on Mac OS X without using third-party software. Most software on Mac OS X is distributed as a DMG image format. Convert Toast To Dmg Windows By quamorgati1981 Follow | Public

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