Remove Excel password

Public Sub AllInternalPasswords()
    Const DBLSPACE As String = vbNewLine & vbNewLine
    Const AUTHORS As String = DBLSPACE & vbNewLine & _
            "Adapted from Bob McCormick base code by" & _
            "Norman Harker and JE McGimpsey"
    Const HEADER As String = "AllInternalPasswords User Message"
    Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04"
    Const REPBACK As String = DBLSPACE & "Please report failure " & _
            "to the microsoft.public.excel.programming newsgroup."
    Const ALLCLEAR As String = DBLSPACE & "The workbook should " & _
            "now be free of all password protection, so make sure you:" & _
            DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & _
            DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & _
            DBLSPACE & "Also, remember that the password was " & _
            "put there for a reason. Don't stuff up crucial formulas " & _
            "or data." & DBLSPACE & "Access and use of some data " & _
            "may be an offense. If in doubt, don't."
    Const MSGNOPWORDS1 As String = "There were no passwords on " & _
            "sheets, or workbook structure or windows." & AUTHORS & VERSION
    Const MSGNOPWORDS2 As String = "There was no protection to " & _
            "workbook structure or windows." & DBLSPACE & _
            "Proceeding to unprotect sheets." & AUTHORS & VERSION
    Const MSGTAKETIME As String = "After pressing OK button this " & _
            "will take some time." & DBLSPACE & "Amount of time " & _
            "depends on how many different passwords, the " & _
            "passwords, and your computer's specification." & DBLSPACE & _
            "Just be patient! Make me a coffee!" & AUTHORS & VERSION
    Const MSGPWORDFOUND1 As String = "You had a Worksheet " & _
            "Structure or Windows Password set." & DBLSPACE & _
            "The password found was: " & DBLSPACE & "$$" & DBLSPACE & _
            "Note it down for potential future use in other workbooks by " & _
            "the same person who set this password." & DBLSPACE & _
            "Now to check and clear other passwords." & AUTHORS & VERSION
    Const MSGPWORDFOUND2 As String = "You had a Worksheet " & _
            "password set." & DBLSPACE & "The password found was: " & _
            DBLSPACE & "$$" & DBLSPACE & "Note it down for potential " & _
            "future use in other workbooks by same person who " & _
            "set this password." & DBLSPACE & "Now to check and clear " & _
            "other passwords." & AUTHORS & VERSION
    Const MSGONLYONE As String = "Only structure / windows " & _
             "protected with the password that was just found." & _
             ALLCLEAR & AUTHORS & VERSION & REPBACK
    Dim w1 As Worksheet, w2 As Worksheet
    Dim i As Integer, j As Integer, k As Integer, l As Integer
    Dim m As Integer, n As Integer, i1 As Integer, i2 As Integer
    Dim i3 As Integer, i4 As Integer, i5 As Integer, i6 As Integer
    Dim PWord1 As String
    Dim ShTag As Boolean, WinTag As Boolean
    
    Application.ScreenUpdating = False
    With ActiveWorkbook
        WinTag = .ProtectStructure Or .ProtectWindows
    End With
    ShTag = False
    For Each w1 In Worksheets
            ShTag = ShTag Or w1.ProtectContents
    Next w1
    If Not ShTag And Not WinTag Then
        MsgBox MSGNOPWORDS1, vbInformation, HEADER
        Exit Sub
    End If
    MsgBox MSGTAKETIME, vbInformation, HEADER
    If Not WinTag Then
        MsgBox MSGNOPWORDS2, vbInformation, HEADER
    Else
      On Error Resume Next
      Do 'dummy do loop
        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
        With 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)
          If .ProtectStructure = False And _
          .ProtectWindows = False Then
              PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _
                Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
                Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
              MsgBox Application.Substitute(MSGPWORDFOUND1, _
                    "$$", PWord1), vbInformation, HEADER
              Exit Do 'Bypass all for...nexts
          End If
        End With
        Next: Next: Next: Next: Next: Next
        Next: Next: Next: Next: Next: Next
      Loop Until True
      On Error GoTo 0
    End If
    If WinTag And Not ShTag Then
      MsgBox MSGONLYONE, vbInformation, HEADER
      Exit Sub
    End If
    On Error Resume Next
    For Each w1 In Worksheets
      'Attempt clearance with PWord1
      w1.Unprotect PWord1
    Next w1
    On Error GoTo 0
    ShTag = False
    For Each w1 In Worksheets
      'Checks for all clear ShTag triggered to 1 if not.
      ShTag = ShTag Or w1.ProtectContents
    Next w1
    If ShTag Then
        For Each w1 In Worksheets
          With w1
            If .ProtectContents Then
              On Error Resume Next
              Do 'Dummy do loop
                For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
                For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
                For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
                For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
                .Unprotect Chr(i) & Chr(j) & Chr(k) & _
                  Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
                  Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
                If Not .ProtectContents Then
                  PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _
                    Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
                    Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
                  MsgBox Application.Substitute(MSGPWORDFOUND2, _
                        "$$", PWord1), vbInformation, HEADER
                  'leverage finding Pword by trying on other sheets
                  For Each w2 In Worksheets
                    w2.Unprotect PWord1
                  Next w2
                  Exit Do 'Bypass all for...nexts
                End If
                Next: Next: Next: Next: Next: Next
                Next: Next: Next: Next: Next: Next
              Loop Until True
              On Error GoTo 0
            End If
          End With
        Next w1
    End If
    MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER
End Sub