Groups can include a dialog launcher control in the lower-right corner. This control typically opens settings or performs other tasks relevant to the group.
To add a dialog launcher
On thetab, click .
Do one of the following:
Create a new group by clickingin the pane.
Select an existing group from theby clicking the group name.
With the group selected, from thepane, select to enable the settings.
From thepane, to set the action and other properties for the new dialog launcher that appears on the Ribbon, click .