It is also a container to hold macOS installation image. It usually contains all the information required to install a program on a Mac computer running Mac OS X or macOS. I also have the.app of the beta installer I used a VM to download it and sent it via Google Drive to myself (something in the USB controller of the VMware was not working so writing to the disk from the VM wasn't an option).Ī DMG file is Apple's equivalent of an ISO installation file or disk image. I used the TransMac Software to write the dmg file into a 16 GB USB drive, with a GPT partition and FAT32.
Luckily it’s easy to open on Windows if you know how. Whether you are an avid Mac programmer using a Windows PC, or you just found a DMG file on your Windows machine, it can be useful to know what it is and how to open it. Part 4: How to Burn DMG to USB on Windows 10/8/7 (TransMac) If you're on a Windows PC, another way to burn a DMG file to a USB drive is to use TransMac.
In this case, you will need to convert it back to the DMG format for the installation. However, it's helpful when your own system is a Windows PC and you want to burn the DMG file to a USB drive.
