If the How do you want to open this file keeps popping up in Windows 11/10, select the default app. If this does not work, use these fixes.

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.

You can corrupt files of different types for testing or other purposes on a Windows 11/10 PC using any of these easy methods.

Otherwise, Windows will continue to open files with its built-in File Explorer instead of the third-party app you installed.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

Figure C Figure C: Be sure to change the file type to text when using the Open dialog. Double-click the text file, or select it and click Open.