So, it will practically make your PowerPoint slide look fullscreen without having to modify its slide size and design. Some projectors have a feature that lets you change the screen size and aspect ratio based on your requirements. You can also change the projector aspect ratio Even though the shape is similar, the total space will definitely affect how you organize your stuff. You can download this template for free.Ĭhanging aspect ratio is like moving your stuff into a new room. The guide above is based on screenshots from the 3 Steps Colorful PowerPoint Template.