约 50 个结果
在新选项卡中打开链接
  1. Set the 'play' options for a video in your presentation

  2. Add or delete audio in your PowerPoint presentation - Microsoft

  3. Add and record audio in PowerPoint - Microsoft Support

  4. Insert a video from YouTube or another site - Microsoft Support

  5. Insert and play a video file from your computer - Microsoft Support

  6. Are you having video or audio playback issues? - Microsoft Support

  7. Add or delete audio in your PowerPoint presentation

  8. Turn your presentation into a video - Microsoft Support

  9. Play music or other sounds automatically when a slide appears

  10. Use keyboard shortcuts to deliver PowerPoint presentations

  11. Change the scale of the vertical (value) axis in a chart