Preview narration, music, or sound in a presentation

Do one of the following:

• In normal view, on the slide, double-click the sound icon or CD icon .
• In normal view, display the slide, and click Slide Show in the lower left of the Microsoft PowerPoint window. If you set up the sound or music to play on a mouse click, you'll have to click the  sound icon or CD icon to play it. 

Note   If you are previewing a CD audio track, you need to insert the CD into the CD-ROM drive to preview it.