如何清除Excel工作表保护密码2

方法如下:
1、打开文件，在模块中输入以下代码。
2、工具→宏→宏→选AllInternalPasswords→运行，确定两次，等2分钟，再确定。OK，没有密码了。

代码如下：
Public Sub AllInternalPasswords()
    ' Breaks worksheet and workbook structure passwords. Bob McCormick
    ' probably originator of base code algorithm modified for coverage
    ' of workbook structure / windows passwords and for multiple passwords
    '
    ' Norman Harker and JE McGimpsey 27-Dec-2002 (Version 1.1)
    ' Modified 2003-Apr-04 by JEM: All msgs to constants, and
    ' eliminate one Exit Sub (Version 1.1.1)
    ' Reveals hashed passwords NOT original passwords
    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