If you can't change default app by file type in Windows 11/10, then reset the problematic app, remove file type association, etc.

There's another way you can change a file type's associated app in macOS: Right-click (or Ctrl-click) on the file in a Finder window and select Get Info.

If you want a different app to always open a particular file type, here's how to do it.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

Do you want to open a file type or link with a specific app? Here's how to change the default app settings on Windows 11.

Add or remove Default Apps from Desktop context menu A default app is the program that Windows uses automatically when you open a particular file type or protocol on your device.

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.

Jim Rossman: Change the default app for files on your computer A few clicks will ensure that the app you want to use opens your files.