Sub Newold()
Dim lastline As Integer
Dim ws1 As Worksheet: Set ws1 = Sheets("MARC_POSTLOAD_1")
Dim ws2 As Worksheet: Set ws2 = Sheets("Conversion New - Old")
Dim vBase, C As Range
Application.ScreenUpdating = False
Application.EnableEvents = False
lastline = ws1.Range("A:A").End(xlDown).Row
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
With Application.WorksheetFunction
If ws2.Range("A2") <> "" Then
    For x = 2 To lastline
    
        Range("B" & x).Value = (Application.Index(ws1.Range("A:B"), Application.Match(ws2.Range("A" & x), ws1.Range("B:B"), 0), 1))
        If IsError(Range("B" & x).Value) Then
        Range("B" & x).Value = ""
        End If
        Range("C" & x).Value = Application.WorksheetFunction.IfError(Application.VLookup(Range("A" & x).Value, ws1.Range("B:H"), 4, 0), "") 'Description
        Range("D" & x).Value = Application.WorksheetFunction.IfError(Application.VLookup(Range("A" & x).Value, ws1.Range("B:H"), 7, 0), "") 'Description
  Next
 
  End If
    
    End With
 format
 
End Sub