It takes a DASL query:
"urn:schemas:httpmail:hasattachment" = 1
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Sue Mosher, Outlook MVP
Author of Microsoft Outlook 2007 Programming:
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54
"Eric Legault [MVP - Outlook]" wrote in message ...
I've never been able to find a way to ... even filter on whether attachments exist or not.