To add a control to a toolbar in the Customizations In pane
- Click Tools
tab
Customization
panel
User
Interface.
At the command prompt,
enter cui. - In the Customize User Interface Editor, Customize tab, Customizations In <file name> pane, click the plus sign (+) next to the toolbar to which you want to add a control.
- In
the Command List pane, in the Categories list, click Control Elements.

- In
the Command list, drag the control to the Customizations In <file name> pane
to the position where you want to add it in the toolbar.

- Click OK.