office中excel“撤销保护密码”的方法很有效

工作中,有时会出现这样的情况:用Excel编制的报表、表格、程序等,在单元格中设置了公式、函数等,为了防止其他人修改您的设置或者防止您自己无意中修改,您可能会使用Excel的工作表保护功能,但时间久了保护密码容易忘记,有时从网上下载的Excel格式的小程序,想修改,但是作者加了工作表保护密码,解决方法只要按照以下步骤操作,Excel工作表保护密码瞬间即破!

方法/步骤

    1

    2007版Excel表格中可以按照以下方式建宏:

    1、打开Excel表格中的Excel选项,选择自定义,得到如下画面:

    office中excel“撤销保护密码”的方法很有效

    2

    2、然后在左边侧框栏中选择“查看宏”

    之后双击或者选择添加按钮,则可以看到右边栏中有了查看宏按钮,之后点击右下角的确定。

    3

    3、大家可以在下面这个窗口处看到箭头所指的按钮:

    点击按钮,之后弹出窗口:

    office中excel“撤销保护密码”的方法很有效office中excel“撤销保护密码”的方法很有效

    4

    4、在宏名处填写一个名字(可随意),然后点击创建,弹出以下窗口:

    office中excel“撤销保护密码”的方法很有效

    5

    5、将窗口内的内容全选后删除,然后将下面分割线以内的内容开始复制粘贴在上面的窗口内:

    从横线下开始复制

    ------------------------------------------------------------------------------------------

    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

    -----------------------------------------------------------------------------------------

    复制到横线以上

    得到情况如下图表示

    office中excel“撤销保护密码”的方法很有效

    6

    6、关闭编辑窗口;

    7

    7、依次点击菜单栏上的工具---宏-----宏,选AllInternalPasswords,运行,确定两次;

    等一会,就会出现以下对话框:这就是Excel密码对应的原始密码(此密码和原先设置的密码都能打开此文档。如果是别人的文档,你又想恢复密码设置,就可以用此密码进行保护,他就能用他设置的密码打开,你可以试试,很有趣的。字母一定要大写):

    再点击确定。Excel的原始密码就被清除了!!

    office中excel“撤销保护密码”的方法很有效

    8

    8、最后记得关闭EXCEL文档时要保存,否则下回打开,文档仍旧处于只读状态而无法修改。

    END

注意事项

    适用于2007版本和2003版本

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