Application.ReferenceStyle = xlR1C1 'xlA1
Sub RefStyleL1C1()
Application.ReferenceStyle = xlR1C1 + xlA1 - Application.ReferenceStyle
End Sub
Sub A1_L1C1()
Application.ReferenceStyle = IIf(Application.ReferenceStyle = xlA1, xlR1C1, xlA1)
End Sub
Sub A1_L1C1()
Application.ReferenceStyle = -Application.ReferenceStyle - 4149
End Sub