Collaborating on a Presentation in PowerPoint 2016: Compare and Merge Presentations
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Collaborating on a Presentation in PowerPoint 2016: Compare and Merge Presentations

Biz Library
Updated Feb 05, 2019
Microsoft Office PowerPoint 2016: Part 2 (Advanced) - The Revisions pane lets you compare two versions of a presentation, and then merge particular elements of the two. You can decide to accept or reject any differences between the presentation you have opened and the presentation that you are comparing it with. (The Revisions Pane, The Compare Group)