How to Hide (or Un-hide) a Slide in Microsoft PowerPoint Feb 1, 2021, 10:24 am EDT | 1 min read You can hide slides in Microsoft PowerPoint so that they’re hidden during the presentation but are still a part of the file. You can also show hidden slides during a presentation or unhide them for future presentations. Here’s how. Hide and Unhide PowerPoint Slides If you give talks, it’s very likely that you prepare a PowerPoint for that presentation. Depending on your audience, you may want to hide or unhide certain slides to make the presentation more relevant for that particular group.