To format any slide object in PowerPoint, you must select it. There are a couple of ways to select any slide object, as explained in our Select and Deselect Shapes in PowerPoint 2016 for Mac tutorial. Other than the obvious way of clicking the slide object to select, you can also use the Selection Pane. The Selection pane makes it easy to select slide objects that are difficult to locate, such as overlapping slide objects or objects placed behind a larger object in busy, populated slides.
Learn how to select Shapes using the Selection Pane in PowerPoint 2016 for Mac.

