Follow these steps to crop an image in PowerPoint:

1. Open your PowerPoint slides.
2. Select the image you want to crop.
3. Hover over the sides of your image until you see a double-sided arrow. That indicates that you can resize your image.
4. Click & drag the sides of the image to crop to your desired size.
5. Once you’re happy with your selection, click outside the image.
6. Your image is now cropped.