There are a few ways to crop an artboard in Photoshop. The first way is to use the Selection tool. To crop an artboard, select the artboard and press the Command key (C). Then, use the arrow keys to move the selection around. The second way is to use the Marquee tool. To crop an artboard, select the artboard and press the Marquee tool (M). Then, use the arrow keys to move the selection around.