Try:
Code:
Sub Demo()
Application.ScreenUpdating = False
With ActiveDocument.Range
.Font.Hidden = True
With .Find
.ClearFormatting
.Replacement.ClearFormatting
.Text = ""
.Font.Size = 12
.Replacement.Text = ""
.Replacement.Font.Hidden = False
.Forward = True
.Wrap = wdFindContinue
.Format = True
.MatchCase = False
.Execute Replace:=wdReplaceAll
.ClearFormatting
.Replacement.ClearFormatting
.Font.Hidden = True
.Execute Replace:=wdReplaceAll
End With
End With
Application.ScreenUpdating = True
End Sub