Do you mean start when the mail is opened OR start in show mode when you
double click on the attachment?
If the former - it's not going to happen, nobody wants anything to run
automatically when mail is opened (except virus mongers!)
The latter save as > save as type =PowerPoint Show (you'll need to scroll
down)

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john ATSIGN PPTAlchemy.co.uk
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> I would like the slide show to start aumatic when I send a power point
> attachment.