The PR_EMS_AB_DELIV_EXT_CONT_TYPES property contains deliverable external content types for an object.
| Header file: | EMSABTAG.H |
| Applies to: | Mail-Gateway, Mail Recipient, and MTA objects (directory objects). These objects appear to MAPI as messaging user objects, which are accessible through the MAPI IMailUser interface. |
| Identifier: | 0x806c |
| Property type: | PT_MV_BINARY |
| Access: | Read/write |