MailItem.ConversationID property (Outlook)
Returns a String that uniquely identifies a Conversation object that the MailItem object belongs to. Read-only.
Syntax
expression. ConversationID
expression A variable that represents a MailItem object.
Remarks
This property associates items with a conversation. These items and the conversation all have the same value in their ConversationID property.
This property corresponds with the MAPI property PidTagConversationId.
If the MailItem object is created in a version of Microsoft Outlook earlier than Outlook 2013, or if Outlook is running in online mode against a version of Microsoft Exchange Server earlier than Microsoft Exchange Server 2010, this property returns the same value as the ConversationTopic property.
See also
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