I don't think there is any converter available, that doesn't involve using
Outlook.
Like vSync
http://office.microsoft.com/en-us/ma...CE011869211033

Your best bet appears to be Download the trial Office 2007 program, install
Outlook 2007.
Open your .pst file, do a File - Save As... to .ics format (you can't do
this with Outlook 2003)

http://us20.trymicrosoftoffice.com/p...&culture=en-US

http://office.microsoft.com/en-us/ou...CH100776881033


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"Ken H" <KenH@discussions.microsoft.com> wrote in message
news:CBF9AD5B-558A-4EEE-9A47-332B5678540A@microsoft.com...
>
> I have the pst file from MS Office XP Outlook Calendar. How can I move
> that data to Vista's Windows Calendar? The Vista program seems to demand
> an
> ics file.
>
> Thanks