In PowerPoint, click File > Save As.
Under Save as type, select PowerPoint Show (.pps).
If the user does not have PowerPoint, you might want to consider converting
into .exe that contains a PowerPoint Viewer:
"Make a standalone EXE that runs a PowerPoint presentation"
http://www.rdpslides.com/pptfaq/FAQ00575.htm
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Shawn Toh (tohlz)
Microsoft Most Valuable Professional (MVP PowerPoint)
Site Updated: June 08, 2006
Added PowerPoint Movies.
http://pptheaven.mvps.org
PowerPoint Heaven - The Power to Animate