Creating a PowerPoint presentation often is a collaborative process. This Video On Demand explains how collaborators can review a presentation and provide feedback, how to create a slide library, restrict access and secure a presentation. Topics covered include creating, editing and deleting comments on slides. Viewers learn how to accept or reject changes others have made to the presentation and how to compare different versions of a presentation and incorporate the selected changes into the original file. The simple step-by-step instructions allow users of any level of expertise to effectively collaborate on PowerPoint presentations.