First create a folder.
Put the mp3 and ppt into the folder.
Now open the ppt, click Insert > Music and Sounds > Sound from file.
Take note that this only links the music.
You want to have it play for multiple slides.
Select yes when asked if you want the sound to play automatically.
Right click on the sound icon. Select Custom Animation.
The "play" sound effect will be listed in the pane.
Double click on it to bring up Effect options.
On the effects tab, click the radio button beside Stop Playing after XXX
slides. Put 999 in the box so the track will play throughout all your slides,
even if you go back and forth among slides.
Check this out for further details:
"Play sounds across multiple slides (A WAV runs through it)"
http://www.rdpslides.com/pptfaq/FAQ00047.htm
If you choose to embed it, you will need to convert the mp3 into wav format.
Check this out:
http://www.rdpslides.com/pptfaq/FAQ00155.htm
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Shawn Toh (tohlz)
Microsoft Most Valuable Professional (MVP PowerPoint)
Site Updated: May 21, 2006
Added PowerPoint Movies.
http://pptheaven.mvps.org
PowerPoint Heaven - The Power to Animate