Problem with Powerpoint and Dual Monitors

I lecture using Powerpoint on Dual Monitors. I have created lectures in
Powerpoint 2007 on my Vista computer and saved them as Windows 97-2000
compatible files. When I transfer them to my XP computer, they look fine in
the notes page view. That is, the notes show up. Howeverf, when I use the
same lecture with Dual monitors, the presentation notes are missing. I want
to have the same lectures on both XP and Vista computers for backup. Can
this be fixed?

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