The attributes of the class OMP_O_IM_C_INTERPERSONAL_MSG map to MAPI properties as follows:
| MH ID/Type | MAPI Property | 
|---|---|
| IM_AUTHORIZING_USERS | PR_AUTHORIZING_USERS | 
| IM_AUTO_FORWARDED | PR_AUTO_FORWARDED | 
| IM_BLIND_COPY_RECIPIENTS | PR_DISPLAY_BCC | 
| IM_BODY | PR_BODY | 
| IM_COPY_RECIPIENTS | PR_DISPLAY_CC | 
| IM_EXPIRY_TIME | PR_EXPIRY_TIME | 
| IM_IMPORTANCE | PR_IMPORTANCE | 
| IM_INCOMPLETE_COPY | PR_INCOMPLETE_COPY | 
| IM_LANGUAGES | PR_LANGUAGES | 
| IM_OBSOLETED_IPMS | PR_OBSOLETED_IPMS | 
| IM_ORIGINATOR | PR_CALLBACK_TELEPHONE_NUMBER, PR_SENDER_ADDRTYPE, PR_SENDER_EMAIL_ADDRESS, PR_SENDER_ENTRYID, PR_SENDER_NAME, PR_SENDER_SEARCH_KEY (and all PR_SENT_REPRESENTING_* properties) | 
| IM_PRIMARY_RECIPIENTS | PR_DISPLAY_TO | 
| IM_RELATED_IPMS | PR_RELATED_IPMS | 
| IM_REPLIED_TO_IPM | PR_PARENT_KEY | 
| IM_REPLY_RECIPIENTS | PR_REPLY_RECIPIENT_ENTRIES, PR_REPLY_RECIPIENT_NAMES | 
| IM_REPLY_TIME | PR_REPLY_TIME | 
| IM_SENSITIVITY | PR_SENSITIVITY | 
| IM_SUBJECT | PR_NORMALIZED_SUBJECT, PR_SUBJECT, PR_SUBJECT_PREFIX | 
| IM_THIS_IPM | PR_SEARCH_KEY | 
The following constant values are mapped from IM_IMPORTANCE to PR_IMPORTANCE:
| Importance | MAPI value | 
|---|---|
| IM_HIGH | 2 | 
| IM_LOW | 0 | 
| IM_ROUTINE | 1 | 
The following constant values are mapped from IM_SENSITIVITY to PR_SENSITIVITY:
| IM_SENSITIVITY value | PR_SENSITIVITY value | 
|---|---|
| IM_COMPANY_CONFIDENTIAL | SENSITIVITY_COMPANY_CONFIDENTIAL | 
| IM_NOT_SENSITIVE | SENSITIVITY_NONE | 
| IM_PERSONAL | SENSITIVITY_PERSONAL | 
| IM_PRIVATE | SENSITIVITY_PRIVATE |