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 ...

If you cannot change the default app by File Type in Windows 11/10 then this post is sure to help you resolve the issue. Windows 11/10 provides built-in options to change the default app(s) to open ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

Microsoft is making it easier to change your default file associations by adding a new search feature that lets you quickly find the extension you wish to modify. When a program is installed in ...

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 ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

What steps do I need to take to change the default action on Windows XP and Windows 7 when someone tries to open a CHM file? I want the file extension to be associated with notepad.exe for ALL users.

Prarthana Gopal is an Author at Android Police. With over eight years of experience as a professional author and tech enthusiast, she brings a wealth of expertise to this role. Currently, she ...

Nearly every computer these days comes with a PDF viewer, a program that allows you to read, print, and sometimes edit a PDF file. In the newest versions of Windows 10, the default PDF viewer is ...