The PR_USER_NAME property contains the name of a user of a message store.
| Header file: | EDKMDB.H | 
| Applies to: | Message store objects (information store objects) | 
| Identifier: | 0x661a | 
| Property type: | PT_STRING8 | 
| Access: | Read-only | 
The PR_USER_NAME property can be used to identify the store.