Did you know about the interactive guides provided by Microsoft to help Office 2003 users to migrate to the corresponding 2007 or 2010 software? If you are trying to get use to Office 2010, you can use the interactive guides on this page. If you are trying to get use to Office 2007, you can use the interactive guides listed below (or go here to download them):
I realize that this is a very late post, but I figured it is still worth mentioning for all of those who remember how to do something in the old version of Excel, Word, etc. but not in the newer version. Click here for all of the information from an official Microsoft site.