Sub ProperFormat()
Dim sh As Worksheet, except As String
except = "PAIDLAE"
For Each sh In ActiveWorkbook.Sheets
With sh
On Error Resume Next
For Each c In .UsedRange.SpecialCells(xlCellTypeConstants, 2)
If c.Value <> UCase(except) Then c.Value = _
Application.WorksheetFunction.Proper(c.Value)
Next c
End With
On Error GoTo 0
Next sh
End Sub