PowerPoint is Microsoft’s slideshow presentation software. PowerPoint utilizes slides to convey information rich in multimedia, making it easy for you to create, collaborate, and present your ideas in dynamic, visually compelling ways. You can collaborate in real time on presentations, use Presenter View to review and rehearse, and more.
How-Tos, Tips & Tricks:
7 ways to work together in PowerPoint (Online) – PDF
PowerPoint tips & tricks