Unable to open work 2016 documents directly from folder. Shows - Microsoft Community

frustrating.  want word documents open in word without going program.  how change default word?

the file associations have been lost.

to reinstate them repair office installation detailed in knowledge base article at:

https://support.office.com/en-us/article/repair-an-office-application-7821d4b6-7c1d-4205-aa0e-a6b40c5bb88b?correlationid=1b0030f4-8cc5-4485-b495-810e2a7d1284&ui=en-us&rs=en-us&ad=us

Office / Word / Windows 10 / Office 2016