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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

PidTagFormDesignerGuid Canonical Property

This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

Contains the unique identifier for the object that is used to design a form.

Associated properties:




Data type:



MAPI common

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.

Header Files


Provides data type definitions.


Contains definitions of properties listed as alternate names.

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