Office 2007 is the latest office suite from Microsoft. It is a bit different, but is designed to make the user more proficient. This of course only happens after you get acquainted with the changes! To help in this process, please see the links below. Each link will take you to the corresponding help section to help "remap" where items are in Office 2007.
Excel 2003 to 2007 command reference guide
PowerPoint 2003 to 2007 command reference guide
Word 2003 to 2007 command reference guide
To use these guides, simply click "start the guide" and you will be presented with the 2003 version of the office application you have selected. From there, simply select a command, and the application will show you were the same command is in Office 2007. If you still have problems, please contact support.