Published: July 16, 2012
The RetentionDate element specifies the last date that an item must be retained.
Applies to: Exchange Online | Exchange Server 2013
The text value of the RetentionDate element represents the date when an item should no longer be retained.
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