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如何解密excel的方法

时间: 业华773 分享

如何解密excel的方法

  在Excel中经常需要用到密码进行对Excel的保护,但也有忘记密码的时候,这个时候就需要我们利用点小技巧进行解密了。下面是学习啦小编带来的关于如何解密excel的方法,欢迎阅读!

  如何解密excel的方法:

  解密步骤1:打开您需要破解的Excel文件,如图所示:

  解密步骤2:依次点击菜单栏上的工具---宏----录制新宏;

学习啦在线学习网   解密步骤3:输入宏名字(PS:打击积极性啊!)如:易尔拓,然后停止录制(这样得到一个空宏,为后面添加vb代码做准备);

学习啦在线学习网   解密步骤4:依次点击菜单栏上的工具---宏----宏,选易尔拓,点编辑按钮;

  解密步骤5:删除窗口中的所有字符,替换为下面的内容;

  Option Explicit

学习啦在线学习网   Public Sub AllInternalPasswords()

  ' Breaks worksheet and workbook structure passwords. Bob McCormick

  ' probably originator of base code algorithm modified for coverage

学习啦在线学习网   ' of workbook structure / windows passwords and for multiple passwords

  '

  ' Norman Harker and JE McGimpsey 27-Dec-2002 (Version 1.1)

学习啦在线学习网   ' Modified 2003-Apr-04 by JEM: All msgs to constants, and

  ' eliminate one Exit Sub (Version 1.1.1)

学习啦在线学习网   ' Reveals hashed passwords NOT original passwords

  Const DBLSPACE As String = vbNewLine & vbNewLine

学习啦在线学习网   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 " & _

学习啦在线学习网   "to the microsoft.public.excel.programming newsgroup."

学习啦在线学习网   Const ALLCLEAR As String = DBLSPACE & "The workbook should " & _

  "now be free of all password protection, so make sure you:" & _

学习啦在线学习网   DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & _

学习啦在线学习网   DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & _

  DBLSPACE & "Also, remember that the password was " & _

学习啦在线学习网   "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 " & _

学习啦在线学习网   "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

学习啦在线学习网   Const MSGPWORDFOUND2 As String = "You had a Worksheet " & _

学习啦在线学习网   "password set." & DBLSPACE & "The password found was: " & _

学习啦在线学习网   DBLSPACE & "$$" & DBLSPACE & "Note it down for potential " & _

  "future use in other workbooks by same person who " & _

学习啦在线学习网   "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

学习啦在线学习网   End With

  ShTag = False

  For Each w1 In Worksheets

学习啦在线学习网   ShTag = ShTag Or w1.ProtectContents

  Next w1

  If Not ShTag And Not WinTag Then

学习啦在线学习网   MsgBox MSGNOPWORDS1, vbInformation, HEADER

  Exit Sub

  End If

学习啦在线学习网   MsgBox MSGTAKETIME, vbInformation, HEADER

学习啦在线学习网   If Not WinTag Then

学习啦在线学习网   MsgBox MSGNOPWORDS2, vbInformation, HEADER

  Else

学习啦在线学习网   On Error Resume Next

学习啦在线学习网   Do 'dummy do loop

  For i = 65 To 66: For j = 65 To 66: For k = 65 To 66

学习啦在线学习网   For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66

学习啦在线学习网   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) & _

学习啦在线学习网   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) & _

学习啦在线学习网   Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _

学习啦在线学习网   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

学习啦在线学习网   Next: Next: Next: Next: Next: Next

学习啦在线学习网   Loop Until True

  On Error GoTo 0

  End If

学习啦在线学习网   If WinTag And Not ShTag Then

  MsgBox MSGONLYONE, vbInformation, HEADER

学习啦在线学习网   Exit Sub

  End If

  On Error Resume Next

学习啦在线学习网   For Each w1 In Worksheets

  'Attempt clearance with PWord1

  w1.Unprotect PWord1

  Next w1

  On Error GoTo 0

学习啦在线学习网   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

学习啦在线学习网   On Error Resume Next

  Do 'Dummy do loop

  For i = 65 To 66: For j = 65 To 66: For k = 65 To 66

学习啦在线学习网   For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66

学习啦在线学习网   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) & _

学习啦在线学习网   Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)

学习啦在线学习网   If Not .ProtectContents Then

学习啦在线学习网   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

学习啦在线学习网   'leverage finding Pword by trying on other sheets

学习啦在线学习网   For Each w2 In Worksheets

  w2.Unprotect PWord1

  Next w2

学习啦在线学习网   Exit Do 'Bypass all for...nexts

  End If

学习啦在线学习网   Next: Next: Next: Next: Next: Next

  Next: Next: Next: Next: Next: Next

  Loop Until True

  On Error GoTo 0

  End If

学习啦在线学习网   End With

  Next w1

  End If

  MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER

  End Sub

学习啦在线学习网   解密步骤6:依次点击菜单栏上的工具---宏-----宏,选AllInternalPasswords,执行,确定两次;

  解密步骤7:耐心等一会,再点击两次确定,就ok啦!

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