If Excel files are opening in Notepad on your Windows 11/10 PC, use these solutions to fix the issue: Check the file extension. Use the Open With option. Choose a default application for Excel ...

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.

On Windows 11, you can change the default browser to any application you want, and in this guide, I'll explain how to use the easiest steps.