¨ Use shortcut menus
1. Select the object you want to use a shortcut menu for.
2. Right-click the object, and then click a command on the shortcut menu. 
¨ Customize a shortcut menu
You can’t add, delete, or reset a shortcut menu in Microsoft PowerPoint. However, you can modify a command image, rename a command, display an icon and text for a command, and move or copy commands to or from a shortcut menu just as you can for any other menu in PowerPoint.
1. On the Tools menu, click Customize, and then click the Toolbars tab.

(Figure 2.7)

2. Select the Shortcut Menus check box. 

(Figure 2.8) 

3. Do one of the following: 
To delete a command from a shortcut menu, click a category on the Shortcut Menu toolbar, and then click the shortcut menu that contains the command. Drag the command off the menu. 
To add a command to a shortcut menu, click a category on the Shortcut Menu toolbar, and then click the shortcut menu you want to modify. In the Customize dialog box, click the Commands tab. In the Categories box, click a category for the command. Drag the command from the Commands box to where you want it to appear on the shortcut menu.