Copying and modifying custom commands
From the Tools menu, point to Customize, and then click Menus and Toolbars.
In the Customize Menus and Toolbars dialog box, click the Custom Commands tab.
Select the command in the Custom Commands list, and then click Copy.
A new command is created with the information from the command you copied, however, you can modify the information as needed.
Click Add Command, and then click Close.