Using Schemas with Word 2003 and Excel 2003

Mary Chipman provides an easy to follow introduction for working with the new XML functionality in the Microsoft Office System by walking through common XML tasks in Microsoft Office Word 2003 and Microsoft Office Excel 2003. She reviews attaching custom schemas, validating markup, using placeholders, working with XML maps in Excel, and more.

http://msdn.microsoft.com/xml/default.aspx?pull=/library/en-us/dno2k3ta/html/odc_of_wordxmschemas.asp