Run Compatibility Checker

The Compatibility Checker will check to see if Microsoft Office 2007 features will be compatible with earlier versions of Microsoft Office.  In the case that they are not the program will convert the non compatible items into pictures so the older versions of Microsoft Office will display them.  In this picture there were no compatibility problems

The times that this is most important are when the Workbook has been opened from a previous version and is going to be saved again in that same version.  If the Workbook is opened in Microsoft Office 2007 the options will still be editable but if opened in a previous version they will not be able to be edited.

For the most part the compatibility checker will check for newer items such as Smart Art and the newer Word Art.