Tuesday, November 10, 2009

Remove workbook password.


'****************************************************************************
' Main procedure
' Open the workbook which you wants to remove password and run the procedure
'****************************************************************************
Sub PasswordBreaker1()
Dim wkb As Excel.Workbook
Set wkb = ActiveWorkbook
Dim i As Integer, j As Integer, k As Integer
Dim l As Integer, m As Integer, n As Integer
Dim i1 As Integer, i2 As Integer, i3 As Integer
Dim i4 As Integer, i5 As Integer, i6 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
ActiveWorkbook.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)
Application.StatusBar = 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 Not IsProtected(wkb) 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)
Application.StatusBar = False
Exit Sub
End If
Next: Next: Next: Next: Next: Next
Next: Next: Next: Next: Next: Next

End Sub
 
Function IsProtected(objXL As Object) As Boolean
Dim wksht As Excel.Worksheet
Dim cell As Excel.Range
Select Case TypeName(objXL)
 
  Case "Workbook"
    If objXL.ProtectStructure Then
      IsProtected = True
      Exit Function
    Else
        IsProtected = False
      Exit Function
    End If
End Select
End Function


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