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excel2010如何破解保护密码

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  我们经常使用Excel的工作表保护功能,将工作表用密码保护起来,以防别人操作时进行修改,但是这样一来有可能会无法进行一些操作(如输入公式等),时间久了保护的密码也有可能忘记了,这该怎么办呢?下面让学习啦小编为你带来excel2010破解保护密码的方法

  excel密码破解步骤如下:

  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---宏----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-----------------------------

  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

  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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