DMG Extractor is probably the first and only tool designed exclusively to deal with DMG files on Windows OS. To securely delete files, you only have to type in certain commands in the Terminal window and hit the “Enter/Return” key. Solution 1: Secure Delete Files with Mac Terminal For the sake of brevity, Mac Terminal can simply be defined as a powerful tool which allows you to control your Mac via command prompt. Can You Delete Dmg Files After InstallingĮven though TransMac can open and extract files from a dmg image, only certain data files (image, video, text, html, sound, etc.) will be usable on a PC.Windows is not be able to install or run Mac software.