We show you multiple ways using which you can change File Type.r Extensions or Format on Windows 11/10. You can also use the Command Prompt.

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.

Use this option if you cannot change default apps for most of the file types on your Windows 11/10 PC. You can reset all default apps to Microsoft recommended defaults at once using the Settings app.