Yes, you can crop photos in OneDrive. To do so, open the photo you want to crop in OneDrive. Then, click on the "Edit" button in the top-right corner of the photo. This will open the photo in the built-in photo editor. To crop the photo, click the "Crop" button in the top toolbar. This will allow you to select the area of the photo that you want to keep. You can adjust the size and position of the crop box by clicking and dragging the corners and edges. When satisfied with the crop, click the "Apply" button to save the changes.