Workbook.UpdateRemoteReferences (Excel)
True if Microsoft Excel updates remote references in the workbook.
When a new workbook is created, the default value for the UpdateRemoteReferences property is True and dynamic data exchange (DDE) links and OLE links update automatically. If the value is False, DDE links and OLE links do not update automatically or during recalculation.
ActiveWorkbook.UpdateRemoteReferences = True