2.689 PidTagExpiryNumber
Canonical name: PidTagExpiryNumber
Description: Contains an integer value that is used along with the PidTagExpiryUnits property (section 2.691) to define the expiry send time.
Property ID: 0x3FED
Data type: PtypInteger32, 0x0003
Area: MapiStatus
Defining reference:[MS-OXOMSG] section 2.2.3.5
Alternate names: PR_EXPIRY_NUMBER