To format any slide object in PowerPoint, you must select it. There are couple of ways with which you can select any slide object. Other than the obvious way of clicking the slide object to select, you can also use the Selection Pane. It’s always more difficult to select overlapping slide objects or objects placed behind a larger object in busy, populated slides — to select slide objects that are difficult to locate, you can use the Selection Pane.
Learn how to select Shapes using the Selection Pane in PowerPoint 2013 for Windows.

