Here, you can change the programs you want to use for your calendar, email, maps, music player, photo viewer, video player and Web browser. To change the default programs for files and protocols, you'll need to open the Settings menu and go to System > Default apps.Ģ. Windows makes it easy for you to open up these files by setting up default programs for each file type - images files, for example, will open by default in the Windows 10 Photos app.īut what if you're not a fan of Windows 10's default programs, or you install a program that automatically sets itself to be a default program and you want to switch it back? You'll need to go into the Settings menu to change the default programs and apps for different file types and protocols.ġ. You have hundreds of different types of files on your PC, and probably multiple programs that can open each one.