Published: July 16, 2012
The ContactId element uniquely identifies a contact.
Applies to: Exchange 2013 | Exchange Online
The following sections describe attributes, child elements, and parent elements.
The text value of the Id attribute is the identifier of the contact item.
The text value of the ChangeKey attribute is the change key of the contact item.
This element was introduced in Exchange Server 2013.
The schema that describes this element is located in the IIS virtual directory that hosts Exchange Web Services.
Can be empty
July 16, 2012