Quick Parts in Outlook and Word gives you the ability to create reusable objects like text, symbols, shapes and diagrams. No similar tool exists in PowerPoint. One way to get the capability of Quick Parts in PowerPoint is to create a “tool belt” presentation that contains your most-often-used objects, like red circles, SmartArt diagrams, logos and commonly used “pre-edited” photos.
When you need any of these, click Reuse slides from the New Slide button, and bring in your utility slides. Use what you need, and then delete the slide before you save the final copy.