MapiMessageMBS.ConversationID as String

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

A string identifying the conversation thread to which the message belongs.

Some messaging systems can ignore and not return this member.
(Read and Write property)

MapiMessageMBS.DateReceived as String

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

A string indicating the date when the message was received.

The format is YYYY/MM/DD HH:MM, using a 24-hour clock.
(Read and Write property)

MapiMessageMBS.Flags as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

Bitmask of message status flags.

Can be a combination of kFlagsReceiptRequested, kFlagsSent and kFlagsUnread.
(Read and Write property)

MapiMessageMBS.MessageType as String

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

A string indicating a non-IPM type of message.

Client applications can select message types for their non-IPM messages. Clients that only support IPM messages can ignore the MessageType member when reading messages and set it to empty when sending messages.
(Read and Write property)

MapiMessageMBS.NoteText as String

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

A string containing the message text.

If this member is empty, there is no message text.
(Read and Write property)

Some examples using this property:

• /Win/Win MAPI

MapiMessageMBS.Originator as MapiRecipientMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

The reference to the originator of this message.

(Read and Write property)

Some examples using this property:

• /Win/Win MAPI

MapiMessageMBS.Subject as String

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	8.3	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

The text string describing the message subject, typically limited to 256 characters or less.

If this member is empty, the user has not entered subject text.
(Read and Write property)

MapiMessageMBS.UseUnicode as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Windows	MBS Win Plugin	18.5	❌ No	✅ Yes	❌ No	❌ No	Desktop, Console & Web

Whether to use Unicode API.

Microsoft offers both unicode and ANSI interfaces.
By default UseUnicode is true and you can set it to false to use ANSI interface if needed.
If no unicode interface is needed, we automatically use the ANSI interface.
(Read and Write property)