PidTagAttachAdditionalInformation Canonical Property
Applies to: Outlook 2013 | Outlook 2016
Provides file type information for a non-Windows attachment.
This property provides metadata about a particular attachment based on the attachment's encoding. For example, when the PR_ATTACH_ENCODING (PidTagAttachEncoding) property contains MacBinary, PR_ATTACH_ADDITIONAL_INFO contains a string that represents the Macintosh file creator and file type, formatted as ":CREA:TYPE" for the encoded Macintosh file.
Handles message and attachment objects.
Provides data type definitions.
Contains definitions of properties listed as alternate names.