To crop a picture into a circle in PowerPoint, select the image, open the Picture Format tab, click the arrow under Crop, choose Crop to Shape, and…
This route gives you more control over the circle itself — borders, size, and position — before the image goes in.
Building a team page or a photo grid?
This method uses SmartArt to arrange and shape images together, which is handy when you want consistent circles in a neat layout.
Select the cropped picture, open Picture Format , and click Picture Border .
Read the complete breakdown, fixes and what happens next.