This policy setting controls whether users see the Opt-in Wizard the first time they run a Microsoft Office 2016 application. ...

This policy setting controls whether users see the Opt-in Wizard the first time they run a Microsoft Office 2016 application. If you enable this policy setting, the Opt-in Wizard does not display the first time users run an Office 2016 application. If you disable or do not configure this policy setting, the Opt-in Wizard displays the first time users run a Microsoft Office 2016 application, which allows them to opt into Internet--based services that will help improve their Office experience, such as Microsoft Update, the Customer Experience Improvement Program, Office Diagnostics, and Online Help.