Videos can always enhance a PowerPoint presentation, but to make it look even better you can use videos as slide backgrounds.
In PowerPoint 2010 and later, click Insert on the ribbon bar, then click Video. Depending on your PowerPoint version, select ‘Video from file’, ‘Video on My PC’ or This Device. If you’re using a later version, you can also choose to search online for videos, or select from a collection of stock videos. Find the video you want to add, then click Insert.
Once you’ve added the video to a slide, resize it to fill the full slide area. Next, select the video, then click Playback at the top right. Make sure that the ‘Loop until Stopped’ box at the top is ticked. Right-click the video, then click ‘Send…
