184.108.40.206.1.20.9 Property: DTSTAMP
RFC Reference: [RFC2445] section 220.127.116.11
Number of Instances Allowed: 1
Brief Description: The creation time of the iCalendar.
Importing to Calendar objects
If the METHOD is not 'REPLY' or 'COUNTER', then this property MUST be imported as PidLidOwnerCriticalChange ([MS-OXPROPS] section 2.199).
Exporting from Calendar objects
If the METHOD (specified in section 18.104.22.168.1.1) is 'REPLY' or 'COUNTER', then PidLidAttendeeCriticalChange MUST be exported as DTSTAMP.
If the METHOD is not 'REPLY' or 'COUNTER', then PidLidOwnerCriticalChange MUST be exported as DTSTAMP. If PidLidOwnerCriticalChange is undefined, the current system time SHOULD be used.