MS Office Powerpoint Tip: Turn your mouse into a laser pointer

When you want to emphasize a point on a slide, you can turn your mouse pointer into a laser pointer.

In Slide Show view, simply hold down CTRL, click the left mouse button, and begin pointing.

To change the pointer color, click Slide Show from the Ribbon, then click Set Up Slide Show, 

under Show options, Pen color, Specify the color you want for your laser pointer