Excel: 2016 Macros in 2010

Public Function TEXTJOIN(Delimiter As String, Ignore_Empty As Boolean, ParamArray Text1() As Variant) As String
'PURPOSE: Replicates The Excel 2016 Function CONCAT
'SOURCE: www.TheSpreadsheetGuru.com
Dim RangeArea As Variant
Dim Cell As Range
'Loop Through Each Cell in Given Input
  For Each RangeArea In Text1
    If TypeName(RangeArea) = "Range" Then
      For Each Cell In RangeArea
        If Len(Cell.Value) <> 0 Or Ignore_Empty = False Then
          TEXTJOIN = TEXTJOIN & Delimiter & Cell.Value
        End If
      Next Cell
    Else
      'Text String was Entered
        If Len(RangeArea) <> 0 Or Ignore_Empty = False Then
          TEXTJOIN = TEXTJOIN & Delimiter & RangeArea
        End If
    End If
  Next RangeArea
TEXTJOIN = Mid(TEXTJOIN, Len(Delimiter) + 1)
End Function
Public Function CONCAT(ParamArray Text1() As Variant) As String
'PURPOSE: Replicates The Excel 2016 Function CONCAT
'SOURCE: www.TheSpreadsheetGuru.com
Dim RangeArea As Variant
Dim Cell As Range
'Loop Through Each Cell in Given Input
  For Each RangeArea In Text1
    If TypeName(RangeArea) = "Range" Then
      For Each Cell In RangeArea
        If Len(Cell.Value) <> 0 Then
          CONCAT = CONCAT & Cell.Value
        End If
      Next Cell
    Else
      'Text String was Entered
        CONCAT = CONCAT & RangeArea
    End If
  Next RangeArea
End Function