Therefore, using Excel to first create your charts and then importing them into PowerPoint allows you to create presentations with chart data that is more accurate.

How to Remove Data From a Chart in PowerPoint. Using PowerPoint 2010, the presentation software from Microsoft, you can create and share dynamic presentations with your audience.

Launch PowerPoint and create a blank presentation. Go to the Charts menu and add a Stacked Bar Chart. Edit the Chart data in Excel with Start time, End time, and total duration.