Microsoft provides a online guide for user to refer the command between Office 2003 and Office 2007
When you click the link below, the interactive guide will start. Once you're there, rest the mouse pointer over a Word 2003 menu or button to learn it's new location in Word 2007. To see an animation of the location of the command or button in Word 2007, just click it.
互動式命令參照指南 (Office 2003 to 2007):
Other reference links: