Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

Default Programs Editor is a powerful but simple file association utility for Windows 10/8/7/Vista. It is a context menu editor, an autoplay editor, and a default programs association editor. This ...

Windows 11 (and Windows 10, which reached end of support in October 2025) lets you assign default apps for file types, protocols, and links. But a persistent and frustrating bug causes these settings ...

Every file on your hard drive (.jpeg, .html, and the like) can be associated with a compatible program, which will open that file format by default. Some applications will change a format’s default ...

Windows only: Tiny, portable utility Default Programs Editor makes short work of changing file associations, autoplay settings, and can even change the icon associated with a file type. Once you've ...

Many programs offer internal tools for configuring file associations, but the Control Panel configures all file associations through a single Windows feature. The Control Panel can command programs ...

If you cannot associate a file extension to an application in Windows 11/10, and see an error message The program you selected cannot be associated with this file ...