想知道excel如何使用代码破解密码吗?忘记密码的时候你们知道该怎么破解密码吗?下面就一起来看看吧。

  excel表格设密码忘记的打开方法

  1. 打开需要破解密码的Excel

  2. 按Alt+F11进入VBA编辑界面

  3. 插入 -- 模块(Module)

  4. 在右边Module的空白编辑区域，复制粘贴下面所有内容

  5. F5，运行该VBA命令

  ---------------------(下面的内容在第四步复制进去)-------------------------

  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

  ---------------------(上面的内容在第四步复制进去)-------------------------

  然后就会弹出如上图所示提示,the password found was:AAABBAABBBB6就是密码.快去看看这个excel是不是已经可以修改/复制等操作了。

  以上就是excel使用代码破解密码的方法，希望可以帮助到大家。

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