Try:
Code:
Sub Demo()
Application.ScreenUpdating = False
With ActiveDocument.Range
With .Find
.ClearFormatting
.Replacement.ClearFormatting
.Forward = True
.Wrap = wdFindContinue
.Format = False
.MatchWildcards = True
.Text = "[ ]{4}|Z|"
.Replacement.Text = "ZR"
.Execute Replace:=wdReplaceAll
.Text = "|"
.Replacement.Text = ""
.Execute Replace:=wdReplaceAll
.Text = "[ ]^13"
.Replacement.Text = "^p"
.Execute Replace:=wdReplaceAll
End With
End With
Application.ScreenUpdating = True
End Sub
On my laptop, with
10,000 records to process, execution takes just 21 seconds.