Open the Insert menu and select Diagram to open the Diagram Gallery.
Double-click the desired diagram type for example, Venn Diagram to insert it into your slide.
Click to add text to the diagram as necessary.
INTRODUCTION
PowerPoint lets you insert a diagram or an organizational chart directly into your slides. You can insert the diagram or chart and then add the appropriate information in a manner similar to inserting a table and adding the data.
TIP
Inserting Organization Charts
You can open the Insert menu and select Picture, Organization Chart to insert an organization chart ready for you to input information.