The PR_CONTENT_IDENTIFIER property contains a key value that enables the message recipient to identify its content.
| Header file: | MAPITAGS.H |
| May be exposed by: | Message objects |
| Identifier: | 0x0008 |
| Property type: | PT_TSTRING |
| Property tag: | 0x0008001E (0x0008001F for Unicode) |
| Corresponding X.400 attribute: | MH_T_CONTENT_IDENTIFIER |