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Excel 撤销工作表保护密码

1、打开您需要破解保护密码的Excel文件;
2、依次点击菜单栏上的工具-------录制新宏,输入宏名字如:aa;
3、停止录制(这样得到一个空宏);
4、依次点击菜单栏上的工具---宏----宏,选aa,点编辑按钮;
5、删除窗口中的所有字符(只有几个),替换为下面的内容;

从横线下开始复制
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Option Explicit
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

 

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复制到横线以上
6、关闭编辑窗口;
7、依次点击菜单栏上的工具---宏-----宏,选AllInternalPasswords,运行,确定两次;

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