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PidTagAttachFlags Canonical Property
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Contains a bitmask of flags for an attachment.
This property is used for MHTML support.
One or more of the following flags can be set for the
Indicates that this attachment is not available to HTML rendering applications and should be ignored in Multipurpose Internet Mail Extensions (MIME) processing.
Indicates that this attachment is not available to applications rendering in Rich Text Format (RTF) and should be ignored by MAPI.
PR_ATTACH_FLAGS property is zero or absent, the attachment is to be processed by all applications. Protocol Specifications [MS-OXCMSG]
Handles message and attachment objects.
Header Files Mapidefs.h
Provides data type definitions.
Contains definitions of properties listed as alternate names.