For PowerPoint 2002/XP and above, click Tools > Options.
Then click the Security tab.
You can set the password there.
PowerPoint 2000 and earlier doesn't offer password protection. But there are
several workaround. You can check this out for more information:
"Password protect a presentation"
http://www.rdpslides.com/pptfaq/FAQ00038.htm
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Site Updated: October 30, 2005
http://www.pptheaven.xs3.com
PowerPoint Heaven - The Power to Animate
Contains tutorials on creating amazing animations for your PowerPoint
Presentations.
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