Disable Office 2016 – First things first Prompt
When you first launch Office Click to Run or Office 2016, you will get a First things first dialog box come up like below. Users will always click accept, what other choice do they have?
You can disable this by configuring the below Registry key:
Disable Office 2016 Default File Types Dialog
Another thing I disable on my desktop builds is the Office 2016 Default File Types prompt as shown below. Normal users will not understand what it means. All they will do is ask questions.
Use the registry key below to stop it appearing :