Conversation.GlobalUniqueUnreadSenders property

Gets a list of all the people who have sent messages that are currently unread in this conversation across all folders in the mailbox.

Namespace:  Microsoft.Exchange.WebServices.Data
Assembly:  Microsoft.Exchange.WebServices (in Microsoft.Exchange.WebServices.dll)

public StringList GlobalUniqueUnreadSenders { get; }

Property value

Type: Microsoft.Exchange.WebServices.Data.StringList
A list of senders.

Use the UniqueUnreadSenders property to get the list of all the senders of unread conversation items in the current folder.