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OlStorageIdentifierType Enumeration

Specifies the type of identifier for a StorageItem object.

Namespace:  Microsoft.Office.Interop.Outlook
Assembly:  Microsoft.Office.Interop.Outlook (in Microsoft.Office.Interop.Outlook.dll)

public enum OlStorageIdentifierType

Member nameDescription
olIdentifyBySubjectIdentifies a StorageItem by Subject.
olIdentifyByEntryIDIdentifies a StorageItem by EntryID.
olIdentifyByMessageClassIdentifies a StorageItem by message class.

The message class of a StorageItem is not exposed as an explicit built-in property. You can access the message class property through the PropertyAccessor object that is provided by _StorageItem.PropertyAccessor.