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

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.

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.

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.

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.

Click the app to the right of the file type that you want to change and you can choose a different program from the apps installed on your PC. The process is similar for Mac users.