如何破解excel密码

　相信身边很多日常需要用到Excel的上班党或者学生党来说，自己可能会有一些比较重要的excel文件，所以会给自己的文件设密码，但是可能经常会出现一个比较久的文件想不起来自己原先设的密码是多少的情况发生，那么这个时候我们应该怎么办呢?要如何破解excel密码呢?下面小编就来告诉大家吧!

　　1、首先我们需要打开自己的Excel，然后选择视图—宏—录制新宏来新建一个宏，再给它去一个名字。

 

 

　　2、把这个新建的宏设置成为一个空的宏。

 

 

　　3、点击这个宏对其进行编辑。

 

 

　　4、删除窗口所有字符，把下面的内容粘贴进入。一个字母、标点符号都不能少不能错哦!

 

　　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

　　5、关闭掉编辑窗口

　　6、在宏里选中AllInternalPasswords这个编辑好的宏，执行，并且确定数次，这样就可以啦。