To zoom in, choose the zoom in tool in the Map Toolbar. On the map, click the left mouse button once and hold it down. Drag the mouse to draw a box completely around the area of interest. Release the left mouse button. The map will redisplay at the extent of the area contained within the box. To zoom out, choose the zoom out tool in the Map Toolbar. On the map, click the left mouse button once and hold it down. Drag the mouse to draw a box.