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

Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With ...

Now that you’ve changed the default program for this file, the button for Change All is active. This button will set your Mac to use the selected application to open files of this type.

Each document that you have on your Mac is associated with a default application which macOS uses to open the file whenever you double-click on its icon in Finder. Sometimes you may have a ...

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.

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.

This simple change has successfully reset the default application for your targeted file type; now this program will consistently open when you select a certain type of file.

If you cannot associate file extension to application & see The program you selected cannot be associated with this file type error, see this fix.