Un pequeño programa en VB para quitar contraseñas a archivos Excel

Sub Quitar_contraseña() 
Dim a As Integer, b As Integer, c As Integer 
Dim d As Integer, e As Integer, f As Integer 
Dim a1 As Integer, a2 As Integer, a3 As Integer 
Dim a4 As Integer, a5 As Integer, a6 As Integer 
On Error Resume Next 
For a = 65 To 66: For b = 65 To 66: For c = 65 To 66 
For d = 65 To 66: For e = 65 To 66: For a1 = 65 To 66 
For a2 = 65 To 66: For a3 = 65 To 66: For a4 = 65 To 66 
For a5 = 65 To 66: For a6 = 65 To 66: For f = 32 To 126 
Contraseña = Chr(a) & Chr(b) & Chr(c) & Chr(d) & Chr(e) & Chr(a1) _ 
& Chr(a2) & Chr(a3) & Chr(a4) & Chr(a5) & Chr(a6) & Chr(f) 
ActiveSheet.Unprotect Contraseña 
If ActiveSheet.ProtectContents = False Then 
MsgBox "Fuck Yeah" & vbCr & "Se ha quitado la contraseña:" & vbCr & Contraseña 
Exit Sub 
End If 
Next: Next: Next: Next: Next: Next 
Next: Next: Next: Next: Next: Next 
End Sub