"Bruce Hagen" wrote in
:

Unable to open .PPS attachments directly from Outlook Express using
XP/SP2 or XP/SP3:
http://windowsxp.mvps.org/ppsopen.htm

I used the manual method. At first, I cut and pasted the string that was
already used for Show, which was C:\Program Files\Microsoft Office
\Office12\pptview.exe "%1", to Open, but that didn't work.

I examined that string carefully, and noticed that it didn't have a
quotation mark (") after .exe. I added the ", and it worked.

I did uncheck the DDE box, but when I went back to it later, I see that
the system keeps checking it and adding PPTVIEW and System to the
Application and Topic fields. But, it works fine.

Thank you.