Save it as a PowerPoint Show by either changing the extension from .ppt
to .pps or by choosing Save As from the File menu and next to Save As
Type scrolling down to find PowerPoint Show (*.pps).
--David
--
David M. Marcovitz
Microsoft PowerPoint MVP
Director of Graduate Programs in Educational Technology
Loyola College in Maryland
Author of _Powerful PowerPoint for Educators_
http://www.loyola.edu/education/PowerfulPowerPoint/