This article explains how to crop pictures and text blocks into shapes in PowerPoint.
How to Crop a Picture to a Shape in PowerPoint 2019 – Tutorial (2021)
Cropping a shape in PowerPoint can give images or text on a slide a much more creative touch.
These instructions apply to Microsoft PowerPoint 2013, 2016, 2019, and 365. The ribbon options described may appear differently in different versions, but the process is the same.
The most common use of the crop function in PowerPoint is to crop an image into a specific shape. You can do this in just a few simple steps.