Yes, the pst-file would still be compatible with Outlook 2003 even when
you've used it with Outlook 2007.
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
-----
"Gregg Marshall" <(E-Mail Removed)> wrote in message
news:7A708889-B23E-47C4-8256-(E-Mail Removed)...
> Right now I'm running Office 2003 on both my desktop and netbook and using
> SyncToy to move the PST file(s) back and forth, which is working great.
>
> I'm about to upgrade my desktop, which will probably mean moving it to
> Office 2007.
>
> Given the netbook will keep running Office 2003, can I keep just moving
> the
> PST file back and forth between the two, even if one is Outlook 2003 and
> the
> other is Outlook 2007?