Returns or sets a Date indicating the date and time at which the item becomes invalid and can be deleted. Read/write.
expression.ExpiryTime
expression Required. An expression that returns a MailItem, MeetingItem, or PostItem object.
Example
This Visual Basic for Applications (VBA) example uses the Send event and sends an item with an automatic expiration date.
Public WithEvents myItem As MailItem
Sub SendMyMail()
Set myItem = Outlook.CreateItem(olMailItem)
myItem.To = "Laura Jennings"
myItem.Subject = "Data files information"
myItem.Send
End Sub
Private Sub myItem_Send(Cancel As Boolean)
myItem.ExpiryTime = #2/2/2003 4:00:00 PM#
End Sub