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Message Envelope Properties

4/8/2010

These properties appear on message objects.

Constant Description Data type Property ID Property Tag

PR_NULL

Represents a null value or setting of a property or reserves array space.

PT_NULL

0x0000

0x00000001

PR_ACKNOWLEDGEMENT_MODE

Contains the identifier of the mode for message acknowledgment.

PT_LONG

0x0001

0x00010003

PR_ALTERNATE_RECIPIENT_ALLOWED

Contains TRUE if the sender permits autoforwarding of this message.

PT_BOOLEAN

0x0002

0x0002000B

PR_AUTHORIZING_USERS

Contains a list of entry identifiers for users who have authorized the sending of a message.

PT_BINARY

0x0003

0x00030102

PR_AUTO_FORWARD_COMMENT

Contains a comment added by the autoforwarding agent.

PT_TSTRING

0x0004

0x0004001F

PR_AUTO_FORWARD_COMMENT_W

Contains a comment added by the autoforwarding agent. UNICODE compilation.

PT_UNICODE

0x0004

0x0004001F

PR_AUTO_FORWARD_COMMENT_A

Contains a comment added by the autoforwarding agent. Non-UNICODE compilation.

PT_STRING8

0x0004

0x0004001E

PR_AUTO_FORWARDED

Contains TRUE if an automatic agent has forwarded a message.

PT_BOOLEAN

0x0005

0x0005000B

PR_CONTENT_CONFIDENTIALITY_ALGORITHM_ID

Contains an identifier for the algorithm used to confirm message content confidentiality.

PT_BINARY

0x0006

0x00060102

PR_CONTENT_CORRELATOR

Contains a value the message sender can use to match a report with the original message.

PT_BINARY

0x0007

0x00070102

PR_CONTENT_IDENTIFIER

Contains a key value that enables the message recipient to identify its content.

PT_TSTRING

0x0008

0x0008001F

PR_CONTENT_IDENTIFIER_W

Contains a key value that enables the message recipient to identify its content. UNICODE compilation.

PT_UNICODE

0x0008

0x0008001F

PR_CONTENT_IDENTIFIER_A

Contains a key value that enables the message recipient to identify its content. Non-UNICODE compilation.

PT_STRING8

0x0008

0x0008001E

PR_CONTENT_LENGTH

Contains a message length, in bytes, passed to a client application or service provider to determine if a message of that length can be delivered.

PT_LONG

0x0009

0x00090003

PR_CONTENT_RETURN_REQUESTED

Contains TRUE if a message should be returned with a nondelivery report.

PT_BOOLEAN

0x000A

0x000A000B

PR_CONVERSATION_KEY

The obsolete precursor of the PR_CONVERSATION_INDEX and PR_CONVERSATION_TOPIC properties. No longer supported.

PT_BINARY

0x000B

0x000B0102

PR_CONVERSION_EITS

Contains the encoded information types (EITs) that are applied to a message in transit to describe conversions.

PT_BINARY

0x000C

0x000C0102

PR_CONVERSION_WITH_LOSS_PROHIBITED

Contains TRUE if a message transfer agent (MTA) is prohibited from making message text conversions that lose information.

PT_BOOLEAN

0x000D

0x000D000B

PR_CONVERTED_EITS

Contains an identifier for the types of text in a message after conversion.

PT_BINARY

0x000E

0x000E0102

PR_DEFERRED_DELIVERY_TIME

Contains the date and time at which a message sender wants a message delivered.

PT_SYSTIME

0x000F

0x000F0040

PR_DELIVER_TIME

Contains the date and time at which the original message was delivered.

PT_SYSTIME

0x0010

0x00100040

PR_DISCARD_REASON

Contains a reason why a message transfer agent (MTA) has discarded a message.

PT_LONG

0x0011

0x00110003

PR_DISCLOSURE_OF_RECIPIENTS

Contains TRUE if disclosure of recipients is allowed.

PT_BOOLEAN

0x0012

0x0012000B

PR_DL_EXPANSION_HISTORY

Contains a history showing how a distribution list has been expanded during message transmission.

PT_BINARY

0x0013

0x00130102

PR_DL_EXPANSION_PROHIBITED

Contains TRUE if a message transfer agent (MTA) is prohibited from expanding distribution lists.

PT_BOOLEAN

0x0014

0x0014000B

PR_EXPIRY_TIME

Contains the date and time at which the messaging system can invalidate the content of a message.

PT_SYSTIME

0x0015

0x00150040

PR_IMPLICIT_CONVERSION_PROHIBITED

Contains TRUE if a message transfer agent (MTA) is prohibited from making implicit message text conversions.

PT_BOOLEAN

0x0016

0x0016000B

PR_IMPORTANCE

Contains a value indicating the message sender's opinion of the importance of a message.

PT_LONG

0x0017

0x00170003

PR_IPM_ID

Was originally meant to contain an X.400 identifier of an interpersonal message. No longer supported.

PT_BINARY

0x0018

0x00180102

PR_LATEST_DELIVERY_TIME

Contains the latest date and time when a message transfer agent (MTA) should deliver a message.

PT_SYSTIME

0x0019

0x00190040

PR_MESSAGE_CLASS

Contains a text string that identifies the sender-defined message class, such as IPM.Note.

PT_TSTRING

0x001A

0x001A001F

PR_MESSAGE_CLASS_W

Contains a text string that identifies the sender-defined message class, such as IPM.Note. UNICODE compilation.

PT_UNICODE

0x001A

0x001A001F

PR_MESSAGE_CLASS_A

Contains a text string that identifies the sender-defined message class, such as IPM.Note. Non-UNICODE compilation.

PT_STRING8

0x001A

0x001A001E

PR_MESSAGE_DELIVERY_ID

Contains a message transfer system (MTS) identifier for a message delivered to a client application.

PT_BINARY

0x001B

0x001B0102

PR_MESSAGE_SECURITY_LABEL

Contains a security label for a message.

PT_BINARY

0x001E

0x001E0102

PR_OBSOLETED_IPMS

Contains the identifiers of messages that this message supersedes

PT_BINARY

0x001F

0x001F0102

PR_ORIGINALLY_INTENDED_RECIPIENT_NAME

Contains the encoded name of the originally intended recipient of an autoforwarded message.

PT_BINARY

0x0020

0x00200102

PR_ORIGINAL_EITS

Contains a copy of the original encoded information types (EITs) for message text.

PT_BINARY

0x0021

0x00210102

PR_ORIGINATOR_CERTIFICATE

Contains an ASN.1 certificate for the message originator.

PT_BINARY

0x0022

0x00220102

PR_ORIGINATOR_DELIVERY_REPORT_REQUESTED

Contains TRUE if a message sender requests a delivery report for a particular recipient from the messaging system before the message is placed in the message store.

PT_BOOLEAN

0x0023

0x0023000B

PR_ORIGINATOR_RETURN_ADDRESS

Contains the binary-encoded return address of the message originator.

PT_BINARY

0x0024

0x00240102

PR_PARENT_KEY

Was originally meant to contain a value used in correlating conversation threads. No longer supported.

PT_BINARY

0x0025

0x00250102

PR_PRIORITY

Contains the relative priority of a message.

PT_LONG

0x0026

0x00260003

PR_ORIGIN_CHECK

Contains a binary verification value enabling a delivery report recipient to verify the origin of the original message.

PT_BINARY

0x0027

0x00270102

PR_PROOF_OF_SUBMISSION_REQUESTED

Contains TRUE if a message sender requests proof that the message transfer system has submitted a message for delivery to the originally intended recipient.

PT_BOOLEAN

0x0028

0x0028000B

PR_READ_RECEIPT_REQUESTED

Contains TRUE if a message sender wants the messaging system to generate a read report when the recipient has read a message.

PT_BOOLEAN

0x0029

0x0029000B

PR_RECEIPT_TIME

Contains the date and time a delivery report is generated.

PT_SYSTIME

0x002A

0x002A0040

PR_RECIPIENT_REASSIGNMENT_PROHIBITED

Contains TRUE if recipient reassignment is prohibited.

PT_BOOLEAN

0x002B

0x002B000B

PR_REDIRECTION_HISTORY

Contains information about the route covered by a delivered message.

PT_BINARY

0x002C

0x002C0102

PR_RELATED_IPMS

Contains a list of identifiers for messages to which a message is related.

PT_BINARY

0x002D

0x002D0102

PR_ORIGINAL_SENSITIVITY

Contains the sensitivity value assigned by the sender of the first version of a message — that is, the message before being forwarded or replied to.

PT_LONG

0x002E

0x002E0003

PR_LANGUAGES

Contains an ASCII list of the languages incorporated in a message.

PT_TSTRING

0x002F

0x002F001F

PR_LANGUAGES_W

Contains an ASCII list of the languages incorporated in a message. UNICODE compilation.

PT_UNICODE

0x002F

0x002F001F

PR_LANGUAGES_A

Contains an ASCII list of the languages incorporated in a message. Non-UNICODE compilation.

PT_STRING8

0x002F

0x002F001E

PR_REPLY_TIME

Contains the date and time by which a reply is expected for a message.

PT_SYSTIME

0x0030

0x00300040

PR_REPORT_TAG

Contains a binary tag value that the messaging system should copy to any report generated for the message.

PT_BINARY

0x0031

0x00310102

PR_REPORT_TIME

Contains the date and time when the messaging system generated a report.

PT_SYSTIME

0x0032

0x00320040

PR_RETURNED_IPM

Contains TRUE if the original message is being returned with a nonread report.

PT_BOOLEAN

0x0033

0x0033000B

PR_SECURITY

Contains a flag that indicates the security level of a message.

PT_LONG

0x0034

0x00340003

PR_INCOMPLETE_COPY

Contains TRUE if this message is an incomplete copy of another message.

PT_BOOLEAN

0x0035

0x0035000B

PR_SENSITIVITY

Contains a value indicating the message sender's opinion of the sensitivity of a message.

PT_LONG

0x0036

0x00360003

PR_SUBJECT

Contains the full subject of a message.

PT_TSTRING

0x0037

0x0037001F

PR_SUBJECT_W

Contains the full subject of a message. UNICODE compilation.

PT_UNICODE

0x0037

0x0037001F

PR_SUBJECT_A

Contains the full subject of a message. Non-UNICODE compilation.

PT_STRING8

0x0037

0x0037001E

PR_SUBJECT_IPM

Contains a binary value that is copied from the message for which a report is being generated.

PT_BINARY

0x0038

0x00380102

PR_CLIENT_SUBMIT_TIME

Contains the date and time the message sender submitted a message.

PT_SYSTIME

0x0039

0x00390040

PR_REPORT_NAME

Contains the display name for the recipient that should get reports for this message.

PT_TSTRING

0x003A

0x003A001F

PR_REPORT_NAME_W

Contains the display name for the recipient that should get reports for this message. UNICODE compilation.

PT_UNICODE

0x003A

0x003A001F

PR_REPORT_NAME_A

Contains the display name for the recipient that should get reports for this message. Non-UNICODE compilation.

PT_STRING8

0x003A

0x003A001E

PR_SENT_REPRESENTING_SEARCH_KEY

Contains the search key for the messaging user represented by the sender.

PT_BINARY

0x003B

0x003B0102

PR_X400_CONTENT_TYPE

Contains the content type for a submitted message.

PT_BINARY

0x003C

0x003C0102

PR_SUBJECT_PREFIX

Contains a subject prefix that typically indicates some action on a message.

PT_TSTRING

0x003D

0x003D001F

PR_SUBJECT_PREFIX_W

Contains a subject prefix that typically indicates some action on a message. UNICODE compilation.

PT_UNICODE

0x003D

0x003D001F

PR_SUBJECT_PREFIX_A

Contains a subject prefix that typically indicates some action on a message. Non-UNICODE compilation.

PT_STRING8

0x003D

0x003D001E

PR_NON_RECEIPT_REASON

dContains reasons why a message was not received that forms part of a nondelivery report.

PT_LONG

0x003E

0x003E0003

PR_RECEIVED_BY_ENTRYID

Contains the entry identifier of the messaging user that actually receives the message.

PT_BINARY

0x003F

0x003F0102

PR_RECEIVED_BY_NAME

Contains the display name of the messaging user that actually receives the message.

PT_TSTRING

0x0040)

0x0040001F

PR_RECEIVED_BY_NAME_W

Contains the display name of the messaging user that actually receives the message. UNICODE compilation.

PT_UNICODE

0x0040

0x0040001F

PR_RECEIVED_BY_NAME_A

Contains the display name of the messaging user that actually receives the message. Non-UNICODE compilation.

PT_STRING8

0x0040

0x0040001E

PR_SENT_REPRESENTING_ENTRYID

Contains the entry identifier for the messaging user represented by the sender.

PT_BINARY

0x0041

0x00410102

PR_SENT_REPRESENTING_NAME

Contains the display name for the messaging user represented by the sender.

PT_TSTRING

0x0042

0x0042001F

PR_SENT_REPRESENTING_NAME_W

Contains the display name for the messaging user represented by the sender. UNICODE compilation.

PT_UNICODE

0x0042

0x0042001F

PR_SENT_REPRESENTING_NAME_A

Contains the display name for the messaging user represented by the sender. Non-UNICODE compilation.

PT_STRING8

0x0042

0x0042001E

PR_RCVD_REPRESENTING_ENTRYID

Contains the entry identifier for the messaging user represented by the receiving user.

PT_BINARY

0x0043

0x00430102

PR_RCVD_REPRESENTING_NAME

Contains the display name for the messaging user represented by the receiving user.

PT_TSTRING

0x0044

0x0044001F

PR_RCVD_REPRESENTING_NAME_W

Contains the display name for the messaging user represented by the receiving user. UNICODE compilation.

PT_UNICODE

0x0044

0x0044001F

PR_RCVD_REPRESENTING_NAME_A

Contains the display name for the messaging user represented by the receiving user. Non-UNICODE compilation.

PT_STRING8

0x0044

0x0044001E

PR_REPORT_ENTRYID

Contains the entry identifier for the recipient that should get reports for this message.

PT_BINARY

0x0045

0x00450102

PR_READ_RECEIPT_ENTRYID

Contains an entry identifier for the messaging user to which the messaging system should direct a read report for this message.

PT_BINARY

0x0046

0x00460102

PR_MESSAGE_SUBMISSION_ID

Contains a message transfer system (MTS) identifier for the message transfer agent (MTA).

PT_BINARY

0x0047

0x00470102

PR_PROVIDER_SUBMIT_TIME

Contains the date and time a transport provider passed a message to its underlying messaging system.

PT_SYSTIME

0x0048

0x00480040

PR_ORIGINAL_SUBJECT

Contains the subject of an original message for use in a report about the message.

PT_TSTRING

0x0049

0x0049001F

PR_ORIGINAL_SUBJECT_W

Contains the subject of an original message for use in a report about the message. UNICODE compilation.

PT_UNICODE

0x0049

0x0049001F

PR_ORIGINAL_SUBJECT_A

Contains the subject of an original message for use in a report about the message. Non-UNICODE compilation.

PT_STRING8

0x0049

0x0049001E

PR_DISC_VAL

The obsolete precursor of the PR_DISCRETE_VALUES property. No longer supported.

PT_BOOLEAN

0x004A

0x004A000B

PR_ORIG_MESSAGE_CLASS

Contains the class of the original message for use in a report.

PT_TSTRING

0x004B

0x004B001F

PR_ORIG_MESSAGE_CLASS_W

Contains the class of the original message for use in a report. UNICODE compilation.

PT_UNICODE

0x004B

0x004B001F

PR_ORIG_MESSAGE_CLASS_A

Contains the class of the original message for use in a report. Non-UNICODE compilation.

PT_STRING8

0x004B

0x004B001E

PR_ORIGINAL_AUTHOR_ENTRYID

Contains the entry identifier of the author of the first version of a message, that is, the message before being forwarded or replied to.

PT_BINARY

0x004C

0x004C0102

PR_ORIGINAL_AUTHOR_NAME

Contains the display name of the author of the first version of a message, that is, the message before being forwarded or replied to.

PT_TSTRING

0x004D

0x004D001F

PR_ORIGINAL_AUTHOR_NAME_W

Contains the display name of the author of the first version of a message, that is, the message before being forwarded or replied to. UNICODE compilation.

PT_UNICODE

0x004D

0x004D001F

PR_ORIGINAL_AUTHOR_NAME_A

Contains the display name of the author of the first version of a message, that is, the message before being forwarded or replied to. Non-UNICODE compilation.

PT_STRING8

0x004D

0x004D001E

PR_ORIGINAL_SUBMIT_TIME

Contains the original submission date and time of the message in the report.

PT_SYSTIME

0x004E

0x004E0040

PR_REPLY_RECIPIENT_ENTRIES

Contains a sized array of entry identifiers for recipients that are to get a reply.

PT_BINARY

0x004F

0x004F0102

PR_REPLY_RECIPIENT_NAMES

Contains a list of display names for recipients that are to get a reply.

PT_TSTRING

0x0050

0x0050001F

PR_REPLY_RECIPIENT_NAMES_W

Contains a list of display names for recipients that are to get a reply. UNICODE compilation.

PT_UNICODE

0x0050

0x0050001F

PR_REPLY_RECIPIENT_NAMES_A

Contains a list of display names for recipients that are to get a reply. Non-UNICODE compilation.

PT_STRING8

0x0050

0x0050001E

PR_RECEIVED_BY_SEARCH_KEY

Contains the search key of the messaging user that actually receives the message.

PT_BINARY

0x0051

0x00510102

PR_RCVD_REPRESENTING_SEARCH_KEY

Contains the search key for the messaging user represented by the receiving user.

PT_BINARY

0x0052

0x00520102

PR_READ_RECEIPT_SEARCH_KEY

Contains a search key for the messaging user to which the messaging system should direct a read report for a message.

PT_BINARY

0x0053

0x00530102

PR_REPORT_SEARCH_KEY

Contains the search key for the recipient that should get reports for this message.

PT_BINARY

0x0054

0x00540102

PR_ORIGINAL_DELIVERY_TIME

Contains a copy of the original message's delivery date and time in a thread.

PT_SYSTIME

0x0055

0x00550040

PR_ORIGINAL_AUTHOR_SEARCH_KEY

Contains the search key of the author of the first version of a message, that is, the message before being forwarded or replied to.

PT_BINARY

0x0056

0x00560102

PR_MESSAGE_TO_ME

Contains TRUE if this messaging user is specifically named as a primary (To) recipient of this message and is not part of a distribution list.

PT_BOOLEAN

0x0057

0x0057000B

PR_MESSAGE_CC_ME

Contains TRUE if this messaging user is specifically named as a carbon copy (CC) recipient of this message and is not part of a distribution list.

PT_BOOLEAN

0x0058

0x0058000B

PR_MESSAGE_RECIP_ME

Contains TRUE if this messaging user is specifically named as a primary (To), carbon copy (CC), or blind carbon copy (BCC) recipient of this message and is not part of a distribution list.

PT_BOOLEAN

0x0059

0x0059000B

PR_ORIGINAL_SENDER_NAME

Contains the display name of the sender of the first version of a message, that is, the message before being forwarded or replied to.

PT_TSTRING

0x005A

0x005A001F

PR_ORIGINAL_SENDER_NAME_W

Contains the display name of the sender of the first version of a message, that is, the message before being forwarded or replied to. UNICODE compilation.

PT_UNICODE

0x005A

0x005A001F

PR_ORIGINAL_SENDER_NAME_A

Contains the display name of the sender of the first version of a message, that is, the message before being forwarded or replied to. Non-UNICODE compilation.

PT_STRING8

0x005A

0x005A001E

PR_ORIGINAL_SENDER_ENTRYID

Contains the entry identifier of the sender of the first version of a message, that is, the message before being forwarded or replied to.

PT_BINARY

0x005B

0x005B0102

PR_ORIGINAL_SENDER_SEARCH_KEY

Contains the search key for the sender of the first version of a message, that is, the message before being forwarded or replied to.

PT_BINARY

0x005C

0x005C0102

PR_ORIGINAL_SENT_REPRESENTING_NAME

Contains the display name of the messaging user on whose behalf the original message was sent.

PT_TSTRING

0x005D

0x005D001F

PR_ORIGINAL_SENT_REPRESENTING_NAME_W

Contains the display name of the messaging user on whose behalf the original message was sent. UNICODE compilation.

PT_UNICODE

0x005D

0x005D001F

PR_ORIGINAL_SENT_REPRESENTING_NAME_A

Contains the display name of the messaging user on whose behalf the original message was sent. Non-UNICODE compilation.

PT_STRING8

0x005D

0x005D001E

PR_ORIGINAL_SENT_REPRESENTING_ENTRYID

Contains the entry identifier of the messaging user on whose behalf the original message was sent.

PT_BINARY

0x005E

0x005E0102

PR_ORIGINAL_SENT_REPRESENTING_SEARCH_KEY

Contains the search key of the messaging user on whose behalf the original message was sent.

PT_BINARY

0x005F

0x005F0102

PR_START_DATE

Contains the starting date and time of an appointment as managed by a scheduling application.

PT_SYSTIME

0x0060

0x00600040

PR_END_DATE

Contains the ending date and time of an appointment as managed by a scheduling application.

PT_SYSTIME

0x0061

0x00610040

PR_OWNER_APPT_ID

Contains an identifier for an appointment in the owner's schedule.

PT_LONG

0x0062

0x00620003

PR_RESPONSE_REQUESTED

Contains TRUE if the message sender wants a response to a meeting request.

PT_BOOLEAN

0x0063

0x0063000B

PR_SENT_REPRESENTING_ADDRTYPE

Contains the address type for the messaging user represented by the sender.

PT_TSTRING

0x0064

0x0064001F

PR_SENT_REPRESENTING_ADDRTYPE_W

Contains the address type for the messaging user represented by the sender. UNICODE compilation.

PT_UNICODE

0x0064

0x0064001F

PR_SENT_REPRESENTING_ADDRTYPE_A

Contains the address type for the messaging user represented by the sender. Non-UNICODE compilation.

PT_STRING8

0x0064

0x0064001E

PR_SENT_REPRESENTING_EMAIL_ADDRESS

Contains the e-mail address for the messaging user represented by the sender.

PT_TSTRING

0x0065

0x0065001F

PR_SENT_REPRESENTING_EMAIL_ADDRESS_W

Contains the e-mail address for the messaging user represented by the sender. UNICODE compilation.

PT_UNICODE

0x0065

0x0065001F

PR_SENT_REPRESENTING_EMAIL_ADDRESS_A

Contains the e-mail address for the messaging user represented by the sender. Non-UNICODE compilation.

PT_STRING8

0x0065

0x0065001E

PR_ORIGINAL_SENDER_ADDRTYPE

Contains the address type of the sender of the first version of a message, that is, the message before being forwarded or replied to.

PT_TSTRING

0x0066

0x0066001F

PR_ORIGINAL_SENDER_ADDRTYPE_W

Contains the address type of the sender of the first version of a message, that is, the message before being forwarded or replied to. UNICODE compilation.

PT_UNICODE

0x0066

0x0066001F

PR_ORIGINAL_SENDER_ADDRTYPE_A

Contains the address type of the sender of the first version of a message, that is, the message before being forwarded or replied to. Non-UNICODE compilation.

PT_STRING8

0x0066

0x0066001E

PR_ORIGINAL_SENDER_EMAIL_ADDRESS

Contains the e-mail address of the sender of the first version of a message, that is, the message before being forwarded or replied to.

PT_TSTRING

0x0067

0x0067001F

PR_ORIGINAL_SENDER_EMAIL_ADDRESS_W

Contains the e-mail address of the sender of the first version of a message, that is, the message before being forwarded or replied to. UNICODE compilation.

PT_UNICODE

0x0067

0x0067001F

PR_ORIGINAL_SENDER_EMAIL_ADDRESS_A

Contains the e-mail address of the sender of the first version of a message, that is, the message before being forwarded or replied to. Non-UNICODE compilation.

PT_STRING8

0x0067

0x0067001E

PR_ORIGINAL_SENT_REPRESENTING_ADDRTYPE

Contains the address type of the messaging user on whose behalf the original message was sent.

PT_TSTRING

0x0068

0x0068001F

PR_ORIGINAL_SENT_REPRESENTING_ADDRTYPE_W

Contains the address type of the messaging user on whose behalf the original message was sent. UNICODE compilation.

PT_UNICODE

0x0068

0x0068001F

PR_ORIGINAL_SENT_REPRESENTING_ADDRTYPE_A

Contains the address type of the messaging user on whose behalf the original message was sent. Non-UNICODE compilation.

PT_STRING8

0x0068

0x0068001E

PR_ORIGINAL_SENT_REPRESENTING_EMAIL_ADDRESS

Contains the e-mail address of the messaging user on whose behalf the original message was sent.

PT_TSTRING

0x0069

0x0069001F

PR_ORIGINAL_SENT_REPRESENTING_EMAIL_ADDRESS_W

Contains the e-mail address of the messaging user on whose behalf the original message was sent. UNICODE compilation.

PT_UNICODE

0x0069

0x0069001F

PR_ORIGINAL_SENT_REPRESENTING_EMAIL_ADDRESS_A

Contains the e-mail address of the messaging user on whose behalf the original message was sent. Non-UNICODE compilation.

PT_STRING8

0x0069

0x0069001E

PR_CONVERSATION_TOPIC

Contains the topic of the first message in a conversation thread.

PT_TSTRING

0x0070

0x0070001F

PR_CONVERSATION_TOPIC_W

Contains the topic of the first message in a conversation thread. UNICODE compilation.

PT_UNICODE

0x0070

0x0070001F

PR_CONVERSATION_TOPIC_A

Contains the topic of the first message in a conversation thread. Non-UNICODE compilation.

PT_STRING8

0x0070

0x0070001E

PR_CONVERSATION_INDEX

Contains a binary value that indicates the relative position of this message within a conversation thread.

PT_BINARY

0x0071

0x00710102

PR_ORIGINAL_DISPLAY_BCC

Contains the display names of any blind carbon copy (BCC) recipients of the original message.

PT_TSTRING

0x0072

0x0072001F

PR_ORIGINAL_DISPLAY_BCC_W

Contains the display names of any blind carbon copy (BCC) recipients of the original message. UNICODE compilation.

PT_UNICODE

0x0072

0x0072001F

PR_ORIGINAL_DISPLAY_BCC_A

Contains the display names of any blind carbon copy (BCC) recipients of the original message. Non-UNICODE compilation.

PT_STRING8

0x0072

0x0072001E

PR_ORIGINAL_DISPLAY_CC

Contains the display names of any carbon copy (CC) recipients of the original message.

PT_TSTRING

0x0073

0x0073001F

PR_ORIGINAL_DISPLAY_CC_W

Contains the display names of any carbon copy (CC) recipients of the original message. UNICODE compilation.

PT_UNICODE

0x0073

0x0073001F

PR_ORIGINAL_DISPLAY_CC_A

Contains the display names of any carbon copy (CC) recipients of the original message. Non-UNICODE compilation.

PT_STRING8

0x0073

0x0073001E

PR_ORIGINAL_DISPLAY_TO

Contains the display names of the primary (To) recipients of the original message.

PT_TSTRING

0x0074

0x0074001F

PR_ORIGINAL_DISPLAY_TO_W

Contains the display names of the primary (To) recipients of the original message. UNICODE compilation.

PT_UNICODE

0x0074

0x0074001F

PR_ORIGINAL_DISPLAY_TO_A

Contains the display names of the primary (To) recipients of the original message. Non-UNICODE compilation.

PT_STRING8

0x0074

0x0074001E

PR_RECEIVED_BY_ADDRTYPE

Contains the e-mail address type, such as SMTP, for the messaging user that actually receives the message.

PT_TSTRING

0x0075

0x0075001F

PR_RECEIVED_BY_ADDRTYPE_W

Contains the e-mail address type, such as SMTP, for the messaging user that actually receives the message. UNICODE compilation.

PT_UNICODE

0x0075

0x0075001F

PR_RECEIVED_BY_ADDRTYPE_A

Contains the e-mail address type, such as SMTP, for the messaging user that actually receives the message. Non-UNICODE compilation.

PT_STRING8

0x0075

0x0075001E

PR_RECEIVED_BY_EMAIL_ADDRESS

Contains the e-mail address for the messaging user that actually receives the message.

PT_TSTRING

0x0076

0x0076001F

PR_RECEIVED_BY_EMAIL_ADDRESS_W

Contains the e-mail address for the messaging user that actually receives the message. UNICODE compilation.

PT_UNICODE

0x0076

0x0076001F

PR_RECEIVED_BY_EMAIL_ADDRESS_A

Contains the e-mail address for the messaging user that actually receives the message. Non-UNICODE compilation.

PT_STRING8

0x0076

0x0076001E

PR_RCVD_REPRESENTING_ADDRTYPE

Contains the address type for the messaging user represented by the user actually receiving the message.

PT_TSTRING

0x0077

0x0077001F

PR_RCVD_REPRESENTING_ADDRTYPE_W

Contains the address type for the messaging user represented by the user actually receiving the message. UNICODE compilation.

PT_UNICODE

0x0077

0x0077001F

PR_RCVD_REPRESENTING_ADDRTYPE_A

Contains the address type for the messaging user represented by the user actually receiving the message. Non-UNICODE compilation.

PT_STRING8

0x0077

0x0077001E

PR_RCVD_REPRESENTING_EMAIL_ADDRESS

Contains the e-mail address for the messaging user represented by the receiving user.

PT_TSTRING

0x0078

0x0078001F

PR_RCVD_REPRESENTING_EMAIL_ADDRESS_W

Contains the e-mail address for the messaging user represented by the receiving user. UNICODE compilation.

PT_UNICODE

0x0078

0x0078001F

PR_RCVD_REPRESENTING_EMAIL_ADDRESS_A

Contains the e-mail address for the messaging user represented by the receiving user. Non-UNICODE compilation.

PT_STRING8

0x0078

0x0078001E

PR_ORIGINAL_AUTHOR_ADDRTYPE

Contains the address type of the author of the first version of a message. That is — the message before being forwarded or replied to.

PT_TSTRING

0x0079

0x0079001F

PR_ORIGINAL_AUTHOR_ADDRTYPE_W

Contains the address type of the author of the first version of a message. That is — the message before being forwarded or replied to. UNICODE compilation.

PT_UNICODE

0x0079

0x0079001F

PR_ORIGINAL_AUTHOR_ADDRTYPE_A

Contains the address type of the author of the first version of a message. That is — the message before being forwarded or replied to. Non-UNICODE compilation.

PT_STRING8

0x0079

0x0079001E

PR_ORIGINAL_AUTHOR_EMAIL_ADDRESS

Contains the e-mail address of the author of the first version of a message. That is — the message before being forwarded or replied to.

PT_TSTRING

0x007A

0x007A001F

PR_ORIGINAL_AUTHOR_EMAIL_ADDRESS_W

Contains the e-mail address of the author of the first version of a message. That is — the message before being forwarded or replied to. UNICODE compilation.

PT_UNICODE

0x007A

0x007A001F

PR_ORIGINAL_AUTHOR_EMAIL_ADDRESS_A

Contains the e-mail address of the author of the first version of a message. That is — the message before being forwarded or replied to. Non-UNICODE compilation.

PT_STRING8

0x007A

0x007A001E

PR_ORIGINALLY_INTENDED_RECIP_ADDRTYPE

Contains the address type of the originally intended recipient of an autoforwarded message.

PT_TSTRING

0x007B

0x007B001F

PR_ORIGINALLY_INTENDED_RECIP_ADDRTYPE_W

Contains the address type of the originally intended recipient of an autoforwarded message. UNICODE compilation.

PT_UNICODE

0x007B

0x007B001F

PR_ORIGINALLY_INTENDED_RECIP_ADDRTYPE_A

Contains the address type of the originally intended recipient of an autoforwarded message. Non-UNICODE compilation.

PT_STRING8

0x007B

0x007B001E

PR_ORIGINALLY_INTENDED_RECIP_EMAIL_ADDRESS

Contains the e-mail address of the originally intended recipient of an autoforwarded message.

PT_TSTRING

0x007C

0x007C001F

PR_ORIGINALLY_INTENDED_RECIP_EMAIL_ADDRESS_W

Contains the e-mail address of the originally intended recipient of an autoforwarded message. UNICODE compilation.

PT_UNICODE

0x007C

0x007C001F

PR_ORIGINALLY_INTENDED_RECIP_EMAIL_ADDRESS_A

Contains the e-mail address of the originally intended recipient of an autoforwarded message. Non-UNICODE compilation.

PT_STRING8

0x007C

0x007C001E

PR_TRANSPORT_MESSAGE_HEADERS

Contains transport-specific message envelope information.

PT_TSTRING

0x007D

0x007D001F

PR_TRANSPORT_MESSAGE_HEADERS_W

Contains transport-specific message envelope information. UNICODE compilation.

PT_UNICODE

0x007D

0x007D001F

PR_TRANSPORT_MESSAGE_HEADERS_A

Contains transport-specific message envelope information. Non-UNICODE compilation.

PT_STRING8

0x007D

0x007D001E

PR_DELEGATION

Contains the converted value of the attDelegate workgroup property.

PT_BINARY

0x007E

0x007E0102

PR_TNEF_CORRELATION_KEY

Contains a value used to correlate a Transport Neutral Encapsulation Format (TNEF) attachment with a message.

PT_BINARY

0x007F

0x007F0102

See Also

Reference

MAPI Properties