大家好，东东来为大家解答以上问题，excel撤销工作表保护密码，撤销工作表保护密码很多人还不知道，现在让我们一起来看看吧！
我们经常使用超过的工作表保护功能，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？只要按照以下步骤操作，Excel工作表保护密码瞬间即破！
1、打开您需要破解保护密码的超过文件；
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-
选项显式
Public Sub AllInternalPasswords()
破坏工作表和工作簿结构密码。鲍勃麦考密克
可能是为覆盖范围修改的基本代码算法的发起者
工作簿结构/windows密码和多个密码
'
诺曼哈克和作业评估麦金普西2002年12月27日（版本1.1)
JEM:于2003年四月四日将所有消息修改为常量，以及
取消一个出口接头（版本1.1.1)
显示哈希密码，而不是原始密码
const DBLSPACE As String=VB newline VB newline
const AUTHORS As String=DBLSPACE VB newline _
改编自鲍勃麦考密克的基础代码
诺曼哈克和作业评估麦金普西
常数标头为String='AllInternalPasswords用户消息'
常数版本为' String=DBLSPACE '版本1 .1 .1 2003-2004年四月'
' Const REPBACK As String=DBLSPACE '请报告失败' _
添加到微软。公共的。excel。设计新闻组。
Const ALLCLEAR As String=DBLSPACE"工作簿应该"_
现在是免费的所有密码保护，所以要确保你：' _
DBLSPACE"现在就保存!"'数字空间'和还有' _
DBLSPACE的后援！后援！后援！'_
'数字空间'另外，请记住密码是' _
放在那里是有原因的。不要把重要的公式塞得满满的
或者数据“DBLSPACE”某些数据的访问和使用"_
可能是一种冒犯。如果有疑问，就去做
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;
本文讲解到此结束，希望对大家有所帮助。