The PR_CONVERSION_PROHIBITED property contains TRUE if message conversions are prohibited by default for the associated messaging user.
| Header file: | MAPITAGS.H |
| May be exposed by: | Message objects |
| Identifier: | 0x3A03 |
| Property type: | PT_BOOLEAN |
| Property tag: | 0x3A03000B |
| Corresponding X.400 attribute: | MH_T_CONVERSION_PROHIBITED |