How do you put a video on power point?

YouTube doesn't accept PowerPoint files. It only accepts the following video formats:

• Windows Media Video (.WMV)
• .3GP (cell phones)
• .AVI (Windows)
• .MOV (mac)
• .MP4 (iPod/psp)
• .MPEG
• .FLV (adobe flash)
• .MKV (h.264)

If you want to upload PowerPoint to YouTube, you should convert the PowerPoint to video format like WMV, MP4, AVI or FLV.

There are many ways for us to convert PowerPoint to video. Check the details in the following link: ways to convert poweroint to video

PowerPoint

To convert PowerPoint to video with timing intact, the recommend one is Wondershare PowerPoint to video Converter.