PidTagAttachFlags Canonical Property
Applies to: Outlook 2013 | Outlook 2016
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 PR_ATTACH_FLAGS bitmask:
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.
If the PR_ATTACH_FLAGS property is zero or absent, the attachment is to be processed by all applications.
Handles message and attachment objects.
Provides data type definitions.
Contains definitions of properties listed as alternate names.