Creating a drop-down list box in some Microsoft Office applications is as simple as selecting an option from a menu. If you want to create such a list in PowerPoint, unfortunately, no such menu ...

Learn how to insert & use a drop-down menu to use on forms or other forms of menu you have created in your PowerPoint slides.

Then, from the drop-down menu that appears, choose a color. After you select a color, you’ll notice that color of callout automatically changes.