In PowerPoint 2007 and 2010, AutoShape is on the Home tab in the Drawing group. Hold down the [Shift] key when you insert the AutoShape to force PowerPoint to draw a circle rather than an oval.

If you've ever seen text shaped like a circle, you may have seen these types of effects in action. You don't have to know how to type circular text because PowerPoint creates it for you when you ...

In this PowerPoint tutorial, I’ll show you how to use a gradient fill to make a hollow circle spin. The remarkable thing about this technique is that it requires only one shape and one animation.