word docs showing as Word Pad

[Dick7Access]

I have over 10 years of letters all were in Word. All of a sudden they are all showing up as word pad. What in the world is going on, and how do i fix it?

 

[MajP]

https://support.microsoft.com/en-us/help/18539/windows-7-change-default-programs
https://techforluddites.com/windows-10-change-the-default-programs-for-opening-files/