Adding a video as the background of a PowerPoint slide is surprisingly easy. You might expect that it requires special features but it doesn’t. There are some tricks to know if the slide gets muddled up.
A true PowerPoint slide background has to be still a solid color, gradient, pattern or picture. But the layer immediately above the background can be a video. That video can take up the entire slide or mix with a matching color slide background.
Choose a slide background color that matches the video for a seamless look (this animated GIF might not faithfully reproduce the background colors).
Any text or other elements you add should appear ‘above’ the video.
It’s possible the layers (Title, text and video) can get muddled up with some elements disappearing from view.
In this example, the title is partly hidden by the video (we’ve changed the background color to grey so the difference between the real slide background and the video is clearer).
To fix that, right-click on the video and choose Send to Back | Send to Back:
Any other slide elements will re-appear ‘above’ the video.
If things get really confusing, there’s always the Selection Pane (Home | Editing | Select | Selection Pane).
PowerPoint’s Selection Pane shows a list of all the slide elements – visible or not.