To preview a video
Click a video to select it.
Click the Play/Pause button below the video. The video will begin playing, and the timeline next to the Play/Pause button will advance.
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To jump to a different part of the video, click anywhere on the timeline.
Jumping ahead on the timeline
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Click and drag the corner sizing handles until the video is the desired size.
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The corner sizing handles will resize a video while preserving its original aspect ratio. If you use the side sizing handles, the video will become distorted.
To move a video:
Click and drag to move a video to a new location on a slide.
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To delete a video:
Select the video you want to delete, then press the Backspace or Delete key on your keyboard.