How to Add Two Lines to a Powerpoint Chart. "Presenters are usually guilty of including too much data in their on-screen charts," says Garr Reynolds, author of Presentation Zen.

A Sunburst chart represents hierarchical data. We show you how to create and insert a Sunburst chart in PowerPoint.

If you've created a pie chart in your PowerPoint presentation and now want to change its colors, you can do this quite easily using the program's "Format Shape" options.