You will need VBA to do this. There is some code here, if you are not
familiar with VBA first look here:
http://www.pptfaq.com/FAQ00033.htm
The code :http://pptfaq.com/FAQ00413.htm
An add-in:
http://billdilworth.mvps.org/Add-ins.htm#Timber

Signature
Luc Sanders
(MVP - PowerPoint)
> Is there a way to see the total amount of time that is within a PPT? I
> would
> like to know how much is being used without having to count each slide's
> transaction time.