- From the Mac OS menu bar, click Tools menu
Customize Interface (CUI) or at the Command prompt, enter cui and press Enter. - In the Customize dialog box, Menus tab, Menus list, expand the menu you want to add a sub-menu to.
- Select the menu item you want to insert the new sub-menu after.
- Click the Create Menu Element (+) button below the Menus list and click Add Sub-menu.
A new sub-menu (named Sub-menu1) is created. The default name changes based on the number of sub-menus you previously created.
- Enter a name for the new menu.
The name entered is what will appear on the Mac OS menu bar. Click a sub-menu name twice to rename it.
- In the Commands list, drag a command to the new sub-menu.
- Release the button on the pointer device when the menu or sub-menu is highlighted, or the desired location for the command is indicated by a horizontal line.