Not in Outlook Object Model. In Extended MAPI/CDO 1.21/Redemption, you can check if the folder's associated (hidden) contents table contains a message with the message class (PR_MESSAGE_CLASS) equal to "IPC.MS.REN.USERFIELDS".
Dmitry Streblechenko (MVP) http://www.dimastr.com/ OutlookSpy - Outlook, CDO and MAPI Developer Tool
"Rog" <rog_21[ at ]yahoo.com> wrote in message news:%23wG3ZnSTGHA.5900[ at ]tk2msftngp13.phx.gbl...
[Quoted Text] > Is it possible to determine if a UserProperty exists in a folder without > looping through each item to check it's UserProperties? > Thanks > Rog
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