Required Properties for All Messages
Applies to: Outlook 2013 | Outlook 2016
The following table describes properties that clients can expect to set or see supported on messages of all classes.
| Property | Description |
|---|---|
| PR_CREATION_TIMEPidTagCreationTime Canonical Property (PidTagCreationTime) |
Set by message store providers on outgoing messages. |
| PR_DISPLAY_BCC (PidTagDisplayBcc) PR_DISPLAY_CC (PidTagDisplayCc) PR_DISPLAY_TO (PidTagDisplayTo) |
Set by message store providers on outgoing messages. |
| PR_ENTRYID (PidTagEntryId) |
Set by message store providers on outgoing messages. |
| PR_LAST_MODIFICATION_TIME (PidTagLastModificationTime) |
Set by message store providers on outgoing messages. |
| PR_MESSAGE_ATTACHMENTS (PidTagMessageAttachments) |
Set by message store providers on outgoing messages. |
| PR_MESSAGE_CLASS (PidTagMessageClass) |
Can be set by clients on outgoing messages; must be set by message store providers if not set by clients. |
| PR_MESSAGE_FLAGS (PidTagMessageFlags) |
Set by clients on outgoing messages before they are saved and message store providers after they are saved. |
| PR_MESSAGE_RECIPIENTS (PidTagMessageRecipients) |
Set by message store providers on outgoing messages. |
| PR_MESSAGE_SIZE (PidTagMessageSize) |
Set by message store providers on outgoing messages. |
| PR_MESSAGE_CC_ME (PidTagMessageCcMe) PR_MESSAGE_RECIP_ME (PidTagMessageRecipientMe) PR_MESSAGE_TO_ME (PidTagMessageToMe) |
Set by transport providers on incoming messages. |
| PR_NORMALIZED_SUBJECT (PidTagNormalizedSubject) |
Set by message store providers on outgoing messages |
| PR_ORIGINATOR_AND_DL_EXPANSION_HISTORY (PidTagOriginatorAndDistributionListExpansionHistory) PR_ORIGINATOR_CERTIFICATE (PidTagOriginatorCertificate) PR_ORIGINATOR_DELIVERY_REPORT_REQUESTED (PidTagOriginatorDeliveryReportRequested) PR_ORIGINATOR_NON_DELIVERY_REPORT_REQUESTED (PidTagOriginatorNonDeliveryReportRequested) PR_ORIGINATOR_REQUESTED_ALTERNATE_RECIPIENT (PidTagOriginatorRequestedAlternateRecipient) PR_ORIGINATOR_RETURN_ADDRESS (PidTagOriginatorReturnAddress) |
Set by transport providers on outgoing messages. |
| PR_PARENT_ENTRYID (PidTagParentEntryId) PR_PARENT_DISPLAY (PidTagParentDisplay) |
Set by message store providers on outgoing messages. |
| PR_RCVD_REPRESENTING_ADDRTYPE (PidTagReceivedRepresentingAddressType) PR_RCVD_REPRESENTING_EMAIL_ADDRESS (PidTagReceivedRepresentingEmailAddress) PR_RCVD_REPRESENTING_ENTRYID (PidTagReceivedRepresentingEntryId) PR_RCVD_REPRESENTING_NAME (PidTagReceivedRepresentingName) PR_RCVD_REPRESENTING_SEARCH_KEY (PidTagReceivedRepresentingSearchKey) |
Set by transport providers on incoming messages. |
| PR_RECEIVED_BY_ADDRTYPE (PidTagReceivedByAddressType) PR_RECEIVED_BY_EMAIL_ADDRESS (PidTagReceivedByEmailAddress) PR_RECEIVED_BY_ENTRYID (PidTagReceivedByEntryId) PR_RECEIVED_BY_NAME (PidTagReceivedByName) PR_RECEIVED_BY_SEARCH_KEY (PidTagReceivedBySearchKey) |
Set by transport providers on incoming messages. |
| PR_RECIPIENT_TYPE (PidTagRecipientType) |
Set by message store providers on incoming messages. |
| PR_RECORD_KEY (PidTagRecordKey) |
Set by message store providers on outgoing messages. |
| PR_SEARCH_KEY (PidTagSearchKey) |
Set by message store providers on outgoing messages. |
| PR_SENDER_ADDRTYPE (PidTagSenderAddressType) PR_SENDER_EMAIL_ADDRESS (PidTagSenderEmailAddress) PR_SENDER_ENTRYID (PidTagSenderEntryId) PR_SENDER_NAME (PidTagSenderName) PR_SENDER_SEARCH_KEY (PidTagSenderSearchKey) |
Clients can set these properties on outgoing messages, but transport providers must set them. |
| PR_SENT_REPRESENTING_ADDRTYPE (PidTagSentRepresentingAddressType) PR_SENT_REPRESENTING_EMAIL_ADDRESS (PidTagSentRepresentingEmailAddress) PR_SENT_REPRESENTING_ENTRYID (PidTagSentRepresentingEntryId) PR_SENT_REPRESENTING_NAME (PidTagSentRepresentingName) PR_SENT_REPRESENTING_SEARCH_KEY (PidTagSentRepresentingSearchKey) |
Clients can set these properties on outgoing messages, but transport providers must set them. |
| PR_STORE_ENTRYID (PidTagStoreEntryId) PR_STORE_RECORD_KEY (PidTagStoreRecordKey) |
Set by message store providers on outgoing messages. |