Improve the visual quality of an image you have added to your whiteboard by cropping your image.
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To crop an image:
Click the image and select the Mask and crop tool for the image's toolbar.
Select a cropping or masking option. Choose between a Custom crop or from Square, Rounded corners, and Circle masking options.
Slide the handles on the border of your image to your desired dimensions.
Deselect the Crop tool or hit Return on your keyboard when you are finished to accept your cropped image.
To return your image back to its original dimensions, select Original from the Mask and crop menu.