関連ワード:  how to make powerpoint play on loop    how to make powerpoint run on loop    how to make powerpoint slides play on loop    how to make a powerpoint play on loop automatically    how to make powerpoint play on repeat    how to make video play on loop powerpoint    how to get powerpoint to play automatically on loop    how to make a powerpoint slideshow play on repeat    how to make powerpoint play automatically and repeat    how to play powerpoint on loop