This document provides an overview and lessons on using XML in Microsoft Excel 2003. It discusses opening XML files as XML lists, and creating XML maps with the XML Source task pane. Key points include: - XML maps link elements in an XML schema or data file to cells in a worksheet - Opening an XML file as a list allows quick browsing and filtering of data, and Excel automatically creates a map - The XML Source task pane enables more control over maps, allowing selection of specific elements to view - Maps allow XML data to be used in Excel and then saved or exported back to XML format