PidTagFormDesignerGuid Canonical Property
Applies to: Outlook 2013 | Outlook 2016
Contains the unique identifier for the object that is used to design a form.
This property usually contains the globally unique identifier (GUID) of the design program that is used to create the form. This property can be empty.
The MAPIUID structure contains the definition of the unique identifier.
Provides data type definitions.
Contains definitions of properties listed as alternate names.