Here is a free and open-source tool to write a raw disk image file to a removable device (say USB or flash drive). The tool is named Win32 Disk Imager.

Although .dmg is a macOS disk format, there are a number reasons of why you'd want open them on Windows computers. Here's how to get started.

An IMG file is a disk image file. IMG files may be burned to CD or DVD. Operating systems, such as Ubuntu, are downloaded in the IMG format. In such cases, the IMG file is simply burned to a disk ...

The disk image file is an exact copy of the source disk. Open the GI disk image file by mounting in a disk image application that reads GI files, such as IsoBuster or UltraISO.

So I thought I'd use the MS Windows 7 USB/DVD installer tool to make a bootable flash drive of the .IMG file. Unfortunately, the tool only works with ISO's not IMG's. Next I tried Win32 Disk Imager.

Archive a folder Open the Disk Utility app that came with your Mac. Choose File then New Image and lastly Image from Folder. Then pick a folder with all of the files you want to save to the DMG.

Couldn’t Mount File, The disk image isn’t initialized Press Win+X and choose the Disk Management option. Choose the Action tab. Select the Attach VHD option.

In the main window, click on the Create Disk Image In the window that opens, click the button with three dots under Target Image File In the dialog that opens select your device (optical drive where ...