GetItemFromID Method
Returns a Microsoft Outlook item identified by the specified entry ID (if valid). This method is used for ease of transition between MAPI and OLE/Messaging applications and Outlook.
expression.GetItemFromID(EntryIDItem, EntryIDStore)
expression Required. An expression that returns a NameSpace object.
EntryIDItem Required String. The EntryID of the item.
EntryIDStore Optional Variant. The StoreID for the folder.
Remarks
EntryIDStore usually must be provided when retrieving an item based on its MAPI IDs.