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

Learn how to remove unwanted Programs from Recommended Programs List in Open With box in Windows 11/10. Edit Registry or use OpenWithView.

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.