SearchableMailbox.IsExternalMailbox property

Gets or sets a value that indicates whether this is an external mailbox.

The IsExternalMailbox property is applicable for clients that target Exchange Online and versions of Exchange starting with Exchange Server 2013.

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

Public Property IsExternalMailbox As Boolean
Dim instance As SearchableMailbox
Dim value As Boolean

value = instance.IsExternalMailbox

instance.IsExternalMailbox = value

Property value

Type: System.Boolean
true if an external mailbox; otherwise false.