Although PowerPoint classifies Movie Actions as an animation type, these are not strictly animations. Yet, since you access them through the Custom Animation task pane, we have included this tutorial in our Animations section. In simple terms, a Movie Action is something that causes an event for any inserted movie clip — these are simple events such as Play, Pause, Resume, and Stop. By providing complete control over these actions within the Custom Animation task pane, PowerPoint empowers you to make these events interact with other animations, including Triggers.
Learn about Movie Actions in PowerPoint 2007 for Windows.

