Excel: Desbloqueando Planilhas Protegidas com senha - Internamente
O mesmo deve ser executado dentro da guia de desenvolvedor como VBA.
Acessando Guia do Visual Basic: Pressione CTRL + F11 para ativar esta tela, aplique o c?digo em cada planilha a desbloquear.
http://imguol.com/2012/04/27/escrever-numero-por-extenso-no-excel-1335564346221_956x500.jpg
Pronto, pode editar os campos bloqueados normalmente.
Sub DesprotegerPlanilhaAtiva()
Dim i, i1, i2, i3, i4, i5, i6 As Integer, j As Integer, k As Integer, l As Integer, m As Integer, n As Integer
On Error Resume Next
For i = 65 To 66
For j = 65 To 66
For k = 65 To 66
For l = 65 To 66
For m = 65 To 66
For i1 = 65 To 66
For i2 = 65 To 66
For i3 = 65 To 66
For i4 = 65 To 66
For i5 = 65 To 66
For i6 = 65 To 66
For n = 32 To 126
ActiveSheet.Unprotect Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
If ActiveSheet.ProtectContents = False Then
MsgBox "Planilha desprotegida com sucesso!!!"
Exit Sub
End If
Next
Next
Next
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Next
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Next
End Sub