ExpiryTime Property

Returns or sets a Date indicating the date and time at which the item becomes invalid and can be deleted. Read/write.

expression   Required. An expression that returns a MailItem, MeetingItem, or PostItem object.

Example

This VBScript example uses the Send event and sends an item with an automatic expiration date of one week.

Function Item_Send()
    Item.ExpiryTime = Date + 7
End Function