excel表格撤销保护的方法
在Excel中录入好重要数据以后通常需要用到密码保护，而过了段时间觉得没必要再用密码进行保护，这个时候就需要撤销保护，具体怎么做呢?接下来是学习啦小编为大家带来的excel表格撤销保护的方法，供大家参考。
excel表格撤销保护的方法：
撤销保护步骤1：打开Excel表格中的Excel选项，选择自定义，得到如下画面：
撤销保护步骤2：然后在左边侧框栏中选择“查看宏”
之后双击或者选择添加按钮，则可以看到右边栏中有了查看宏按钮，之后点击右下角的确定。
撤销保护步骤3：大家可以在下面这个窗口处看到箭头所指的按钮：
点击按钮，之后弹出窗口：
撤销保护步骤4：在宏名处填写一个名字(可随意)，然后点击创建，弹出以下窗口：
撤销保护步骤5：将窗口内的内容全选后删除，然后将下面分割线以内的内容开始复制粘贴在上面的窗口内：
学习啦在线学习网 从横线下开始复制
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学习啦在线学习网 Option Explicit
学习啦在线学习网 Public Sub AllInternalPasswords()
' Breaks worksheet and workbook structure passwords. Bob McCormick
学习啦在线学习网 ' 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
学习啦在线学习网 ' eliminate one Exit Sub (Version 1.1.1)
学习啦在线学习网 ' Reveals hashed passwords NOT original passwords
学习啦在线学习网 Const DBLSPACE As String = vbNewLine & vbNewLine
Const AUTHORS As String = DBLSPACE & vbNewLine & _
学习啦在线学习网 "Adapted from Bob McCormick base code by" & _
"Norman Harker and JE McGimpsey"
学习啦在线学习网 Const HEADER As String = "AllInternalPasswords User Message"
Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04"
学习啦在线学习网 Const REPBACK As String = DBLSPACE & "Please report failure " & _
"to the microsoft.public.excel.programming newsgroup."
Const ALLCLEAR As String = DBLSPACE & "The workbook should " & _
学习啦在线学习网 "now be free of all password protection, so make sure you:" & _
DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & _
DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & _
学习啦在线学习网 DBLSPACE & "Also, remember that the password was " & _
"put there for a reason. Don't stuff up crucial formulas " & _
学习啦在线学习网 "or data." & DBLSPACE & "Access and use of some data " & _
学习啦在线学习网 "may be an offense. If in doubt, don't."
学习啦在线学习网 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
学习啦在线学习网 Const MSGTAKETIME As String = "After pressing OK button this " & _
学习啦在线学习网 "will take some time." & DBLSPACE & "Amount of time " & _
学习啦在线学习网 "depends on how many different passwords, the " & _
"passwords, and your computer's specification." & DBLSPACE & _
学习啦在线学习网 "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 " & _
学习啦在线学习网 "future use in other workbooks by 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 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
学习啦在线学习网 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
学习啦在线学习网 Dim PWord1 As String
学习啦在线学习网 Dim ShTag As Boolean, WinTag As Boolean
Application.ScreenUpdating = False
学习啦在线学习网 With ActiveWorkbook
WinTag = .ProtectStructure Or .ProtectWindows
End With
ShTag = False
学习啦在线学习网 For Each w1 In Worksheets
ShTag = ShTag Or w1.ProtectContents
Next w1
学习啦在线学习网 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
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
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
学习啦在线学习网 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)
学习啦在线学习网 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) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
MsgBox Application.Substitute(MSGPWORDFOUND1, _
学习啦在线学习网 "$$", PWord1), vbInformation, HEADER
学习啦在线学习网 Exit Do 'Bypass all for...nexts
End If
学习啦在线学习网 End With
Next: Next: Next: Next: Next: Next
Next: Next: Next: Next: Next: Next
Loop Until True
学习啦在线学习网 On Error GoTo 0
End If
If WinTag And Not ShTag Then
MsgBox MSGONLYONE, vbInformation, HEADER
Exit Sub
End If
学习啦在线学习网 On Error Resume Next
For Each w1 In Worksheets
学习啦在线学习网 'Attempt clearance with PWord1
w1.Unprotect PWord1
Next w1
学习啦在线学习网 On Error GoTo 0
学习啦在线学习网 ShTag = False
学习啦在线学习网 For Each w1 In Worksheets
学习啦在线学习网 'Checks for all clear ShTag triggered to 1 if not.
ShTag = ShTag Or w1.ProtectContents
Next w1
学习啦在线学习网 If ShTag Then
学习啦在线学习网 For Each w1 In Worksheets
With w1
If .ProtectContents Then
学习啦在线学习网 On Error Resume Next
学习啦在线学习网 Do 'Dummy do loop
学习啦在线学习网 For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
学习啦在线学习网 For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
学习啦在线学习网 .Unprotect Chr(i) & Chr(j) & Chr(k) & _
学习啦在线学习网 Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
If Not .ProtectContents Then
PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _
Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
学习啦在线学习网 Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
MsgBox Application.Substitute(MSGPWORDFOUND2, _
学习啦在线学习网 "$$", PWord1), vbInformation, HEADER
'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
Exit Do 'Bypass all for...nexts
End If
Next: Next: Next: Next: Next: Next
学习啦在线学习网 Next: Next: Next: Next: Next: Next
Loop Until True
学习啦在线学习网 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
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复制到横线以上
得到情况如下图表示
撤销保护步骤6：关闭编辑窗口;
学习啦在线学习网 撤销保护步骤7：依次点击菜单栏上的工具---宏-----宏,选AllInternalPasswords,运行,确定两次;
等一会,就会出现以下对话框：这就是Excel密码对应的原始密码(此密码和原先设置的密码都能打开此文档。如果是别人的文档，你又想恢复密码设置，就可以用此密码进行保护，他就能用他设置的密码打开，你可以试试，很有趣的。字母一定要大写)：
学习啦在线学习网 再点击确定。Excel的原始密码就被清除了!!
学习啦在线学习网 撤销保护步骤8：最后记得关闭EXCEL文档时要保存，否则下回打开，文档仍旧处于只读状态而无法修改。
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