To create a chart, select your data, open the "Insert" tab, and click the icon in the corner of the Charts group.

Because XML data lends itself to a hierarchical structure rather than a relational structure, it may be difficult to store XML data in traditional relational database systems.

A Treemap chart provides a hierarchical view of data and makes it easy to spot patterns. The treemap chart branches are represented by rectangles, and each sub-branch is shown as a small rectangle.

A Sunburst chart is a chart that represents hierarchical data, each level of the hierarchy is represented by one ring or circle with the innermost circle as the top of the hierarchy.

PowerPoint offers preset hierarchical chart templates, so you won't even have to set one up yourself. Simply corral the Excel information you need and merge it in with PowerPoint.