Tables interfere with VBA range variables depending on scope

Question

An Excel file includes VBA-coded user-defined functions (UDFs) that are deployed in tables (VBA listobjects). Now, for reasons that escape me, if the UDF module contains

Answer 1

OK. This workaround should work.

If When it does, there are a few issues and caveats to address.

I'll also post explanations.

Install the code in the ThisWorkbook module.

Code:

Private Sub Workbook_BeforeClose(Cancel As Boolean)

  Dim rngCell As Range

  For Each rngCell In ActiveSheet.UsedRange.SpecialCells(xlCellTypeFormulas)
    With rngCell
      If .FormulaR1C1 Like "*ITEM_NAME*" _
      And Left$(.FormulaR1C1, 4) <> "=T(""" _
      Then
        .Value = "=T(""" & .FormulaR1C1 & """)"
      End If
    End With
  Next rngCell

End Sub

Private Sub Workbook_Open()

  Dim rngCell As Range

  For Each rngCell In ActiveSheet.UsedRange.SpecialCells(xlCellTypeFormulas)
    With rngCell
      If .FormulaR1C1 Like "*ITEM_NAME*" _
      And Left$(.FormulaR1C1, 4) = "=T(""" _
      Then
        .FormulaR1C1 = .Value
      End If
    End With
  Next rngCell

End Sub