> > Version: 2004 Operating System: Mac OS X 10.5 (Leopard) When I get .pptx
> > files in emails I cannot open them. I can see them in quick view. When I
> > try to open them it sends me to a microsoft web site that wants me to
> > download 2004 - which I have.
>
> In PowerPoint, use Help > Check for updates. You should apply all
> updates in succession until there are no more updates to install. One of
> the updates will allow Office 2004 to open the new file format.
>
> You can also manually download the updates from the Microsoft web site,
> but be sure to apply the right ones in order if you do that.
>
> -Jim
>
> --
> Jim Gordon
> Mac MVP
> Co-author of Office 2008 for Mac All-in-One For Dummies
>
http://tinyurl.com/Office-2008-for-Dummies
>