Desproteger hoja o libro en excel con clave

1er paso:

Presionar ALT + F8 para ingresar en la pantalla de crear una macro, colocar el nombre de breakit


2do paso:

presionar el boton crear, en la pantalla colocar el siguiente texto:




Sub breakit()


Dim i As Integer, j As Integer, k As Integer

Dim 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 "One usable password is " & Chr(i) & Chr(j) & _

Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) _

& Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)

Exit Sub

End If

Next

Next

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Next


End Sub



Guardas y después ejecutas el macro.

esperar y te aparece un cartel con la clave interna de excel.