This policy setting allows you to determine whether Office applications display screen tips when users hover on commands ...

This policy setting allows you to determine whether Office applications display screen tips when users hover on commands on the Office Ribbon, and whether the screen tips display feature names and descriptions, or just feature names.  If you enable this policy setting, you can select any of the following options:- Show feature descriptions: Both feature names and descriptions appear when users hover over commands on the Ribbon. - Don't show feature descriptions: Only feature names appear when users hover over commands on the Ribbon. - Don't show screen tips: Nothing appears when users hover over commands on the Ribbon.If you disable this policy setting, nothing appears when users hover over commands on the Office Ribbon.If you do not configure this policy setting, both feature names and descriptions appear when users hover over commands on the Office Ribbon.