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MailItem.RetentionExpirationDate Property (Outlook)

Returns a Date that specifies the date when the MailItem object expires, after which the Messaging Records Management (MRM) Assistant will delete the item. Read-only.

Version Added: Outlook 2010

expression .RetentionExpirationDate

expression A variable that represents a MailItem object.

A retention policy is enabled and disabled by an administrator for a Microsoft Exchange Server on a mailbox level. This feature is available only on an Exchange Server 2010 mailbox with MRM 2.0 enabled.

Microsoft Outlook calculates the value of this property based on the item retention start date and the retention period, if Outlook is in cache or offline mode. The Exchange Server specifies the value if Outlook is in online mode.

In general, the retention start date for the item is determined as follows:

  • Received or sent items: the retention start date is the received date.

  • Nonrecurring calendar items: the retention start date is the appointment end date.

  • Recurring calendar items: the retention start date is the end date of last recurrence. If there is no end date, the item never expires.

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