This policy setting allows you to disable specific command bar buttons and menu items in the specified applications. If you ...

This policy setting allows you to disable specific command bar buttons and menu items in the specified applications.
      
      If you enable this policy setting you can disable specific command bar buttons and menu items in the user interface for the selected application.  The predefined list of command bar buttons and menu items you can disable becomes available to you when you enable this policy setting.
      
      If you disable or do not configure this policy setting, the predefined list of command bar buttons and menu items are enabled for the application.