Once you insert shapes on a slide, you may realize that it’s not the perfect size. Did you want it larger, or a wee bit smaller? However you want your shapes resized, it’s easy to make the size change in a jiffy, right inside PowerPoint 2016 for Mac. Like most Microsoft Office programs, PowerPoint follows the concept of selection, then action. So, the first thing you may need to do to a shape that you want to be resized is to select it! Any shape that is selected shows several handles.