I know how to add it to one slide, but I want it to play over several slides.
I do not see the options others have suggested.

You can visit these sites to see the answer to your question:
http://office.microsoft.com/en-us/po...593121033.aspx
http://www.indezine.com/products/pow...t/ppsound.html

There are some softwares also can add background music to showslides,but
these softwares will turn your ppt files into other file formats,like
vcd(.avi/mepg) or dvd,if you want to have a try,you can download from:
http://www.dvd-ppt-lideshow.com/


"Gail M" wrote:

> I know how to add it to one slide, but I want it to play over several slides.
> I do not see the options others have suggested.

You can visit these sites to see the answer to your question:
http://office.microsoft.com/en-us/po...593121033.aspx
http://www.indezine.com/products/pow...t/ppsound.html

There are some softwares also can add background music to slideshows,but
these softwares will turn your ppt files into other file formats,like
vcd(.avi/mepg) or dvd,if you want to have a try,you can download from:
http://www.dvd-ppt-slideshow.com/

"Gail M" wrote:

> I know how to add it to one slide, but I want it to play over several slides.
> I do not see the options others have suggested.