While PowerPoint allows you to create interactive charts in slides, Microsoft Excel allows you to create and manipulate chart data in many more ways.

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.

We show you how to create a Timeline in Microsoft PowerPoint using SmartArt or Timeline template, the right way!

A spinning hollow circle is a great way to suggest the passing of time in a PowerPoint show. Susan Harkins shows you how to make this simple animation.