You can manually create a custom Gantt chart from scratch using the native Chart menu of PowerPoint. In its Chart menu, you can find several types of standard charts including line, bar, area, pie ...

To create a dual-color circle, you'll need a few tricks up your sleeve because PowerPoint doesn't have a semi-circle shape. Learn two ways to create semi-circles, so you can combine them.

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.

A legend helps people understand what you're referring to in a graphic. You can create color-coded legends in PowerPoint automatically for graphs and charts.