Sub Markup()
' Paul Beverley - Version 21.05.23
' Cycles through track change display levels

' N.B. You need to put a line at the top of the VBA area:
' Private pbMarkupMode As Integer
' (but without the ' at the beginning of the line, of course)

includeOriginal = True

If pbMarkupMode = 2 And includeOriginal = False Then
  pbMarkupMode = 3
End If

Select Case pbMarkupMode
  Case 1: stateNext = wdRevisionsMarkupAll
        viewNext = wdRevisionsViewFinal
        pbMarkupMode = 2
        Debug.Print "All"
        StatusBar = "All"
  Case 2: stateNext = wdRevisionsMarkupOriginal
        viewNext = wdRevisionsViewOriginal
        pbMarkupMode = 3
        StatusBar = "Original"
        Debug.Print "Original"
  Case 3: stateNext = wdRevisionsMarkupNone
        viewNext = wdRevisionsViewFinal
        pbMarkupMode = 4
        StatusBar = "None"
        Debug.Print "None"
  Case 4: stateNext = wdRevisionsMarkupSimple
        viewNext = wdRevisionsViewFinal
        Debug.Print "Simple"
        StatusBar = "Simple"
        pbMarkupMode = 1
  Case Else
        stateNext = wdRevisionsMarkupAll
        viewNext = wdRevisionsViewFinal
        pbMarkupMode = 2
        StatusBar = "All"
        Debug.Print "All"
End Select
With ActiveWindow.View.RevisionsFilter
  .Markup = stateNext
  .View = viewNext
End With
End Sub