> The structure of .pst files is undocumented.
>
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> >> > Is there any Object Model or API to programmatically avail the functionality
> >> > of “scanpst.exe”?
Yes, the usual suspects: The Outlook object model, CDO, Redemption, Extended MAPI. I'm also heard of a third-party API that does not require Outlook, but does require $$$$$, but it was so ridiculously expensive as to be not worth jotting down the URL.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Hi Sue
>
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>
>> The structure of .pst files is undocumented.