When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

How to restore your default file extension associations in Mac OS In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on ...

Get a more generic solution to identifying unknown or unrecognized file types & extensions with these free tools for Windows 11/10 computer.