Press play.The .mp4 was embedded in PowerPoint the normal way. SlideKiln carries it into the HTML package, so it plays right here, with no YouTube link and no plugin.
What survives the trip to the web?Image previews keep the layout and lose the rest. SlideKiln keeps all four.The chart itself is drawn from the data inside the .pptx, as crisp vectors that stay sharp at any zoom.