How to disable 'Design Ideas' in PowerPoint

If you would like to disable PowerPoints 'Design Ideas', it's possible if you add a new entry to your registry. 

Locate your active PowerPoint version and open Options, usually placed here: 

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\PowerPoint\Options]

Add a DWORD (32 bit) value and name the string EnableSuggestionServiceUserSetting

The value data should be 0 to disable the functionality.