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 ...

We show you how to create a Histogram chart in Microsoft PowerPoint. A Histogram is a graphical representation that shows frequency data.

How to Convert From Microsoft Office Organization Chart to PowerPoint. Prior to Office 2007, the Drawing toolbar in Office applications contained a button labeled "Insert Diagram or Organization ...