The PR_OWNER_APPT_ID property contains an identifier for an appointment in the owner's schedule.
| Header file: | MAPITAGS.H | 
| Must be exposed by: | Message objects used for scheduling | 
| Identifier: | 0x0062 | 
| Property type: | PT_LONG | 
| Property tag: | 0x00620003 | 
The PR_OWNER_APPT_ID property is used in meeting requests. It does not represent an entry identifier, but a long integer that uniquely identifies the appointment within the sender's schedule.
Schedule Properties, PR_ORIGINAL_AUTHOR_SEARCH_KEY