Word 2010 doesn't have a menu (unless you call Home, Insert, Page Layout, etc., a menu), and you can't customize what's not there. Word does still have context-sensitive right-click menus. However, unlike in previous versions of Word, the user interface no longer provides a way to customize them.
How to create an organizational chart in Microsoft Word 2010 see Using the Organizational Chart Tool.
This tip is about how to change or modify an organizational chart in Word.