I would use an embedded Excel object to do this.
Insert | Object | Create New and choose Excel Worksheet. Then click away
from the worksheet so it's deactivate, then select it on the slide.
Open the Custom Animation tab and click Add Effect | Object Actions | Open.
This will let you click to open the Worksheet during the presentation.
If you want it to open when you click on the worksheet specifically(instead
of just a general mouseclick), then add a trigger to the animation.
Double-click the Object Action in the custom animation pane and go to the
Timing tab. Click Triggers | Start Effect on Click Of | choose the worksheet
from the dropdown list.
--
Echo [MS PPT MVP]
http://www.echosvoice.com
What's new in PPT 2007?
http://www.echosvoice.com/2007.htm
Fixing PowerPoint Annoyances
http://tinyurl.com/36grcd
PowerPoint 2007 Complete Makeover Kit
http://tinyurl.com/32a7nx
Don't Miss the PPTLive User Conference! Atlanta | Oct 11-14