How did you re-install Office 2016?
If you uninstall Office from Contral Panel only, this problem may related not uninstalling completely.
I suggest you download the Office tool and run the tool to uninstall Office completely:
Then re-install Office 2016 and check if this issue is still existed.
Just checking in to see if the information was helpful. Please let us know if you would like further assistance.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.