Learn how to make or create a Countdown Timer in PowerPoint. You can also use an Add-in. Displaying a countdown timer in your PPT can be helpful in many ways.

Other presentation helpers/tricks: Work your presentation like a pro with a few shortcuts. PowerPoint keyboard shortcuts help you create and advance slides with just a few keystrokes.

Are you guilty of information overload? Do you abuse clip art? Here, the experts weigh in on how to create a pitch-perfect PowerPoint presentation.