Compare: End Review Say you looked through the revisions and didn't want to save any. You can end the review and discard any changes from the comparison. The two presentations will not be merged.   4. Try it: End the Review The two presentations are still open. Go to Review ->Compare->End Review.   You will be prompted by a confusing question. The wording is odd, but the answers are: Yes: Discard the Revisions No: Return to review and merge the shows   Click Yes.  Discard the Revisions and end the review. Very good. That's the Review Ribbon. Review ->Compare->End Review Exam 77-883: Microsoft PowerPoint 2010 6. Collaborating on Presentations 6.2. Apply proofing tools: Compare and Combine Presentations