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表格学习啦在线学习网中的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”
学习啦在线学习网 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。
学习啦在线学习网 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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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
' 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)
' 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 & _
"Adapted from Bob McCormick base code by" & _
学习啦在线学习网 "Norman Harker and JE McGimpsey"
Const HEADER As String = "AllInternalPasswords User Message"
学习啦在线学习网 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 " & _
学习啦在线学习网 "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" & _
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 " & _
学习啦在线学习网 "may be an offense. If in doubt, don't."
Const MSGNOPWORDS1 As String = "There were no passwords on " & _
学习啦在线学习网 "sheets, or workbook structure or windows." & AUTHORS & VERSION
Const MSGNOPWORDS2 As String = "There was no protection to " & _
学习啦在线学习网 "workbook structure or windows." & DBLSPACE & _
"Proceeding to unprotect sheets." & AUTHORS & VERSION
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 & _
学习啦在线学习网 "The password found was: " & DBLSPACE & "$$" & DBLSPACE & _
学习啦在线学习网 "Note it down for potential future use in other workbooks by " & _
"the same person who set this password." & DBLSPACE & _
"Now to check and clear other passwords." & AUTHORS & VERSION
Const MSGPWORDFOUND2 As String = "You had a Worksheet " & _
"password set." & DBLSPACE & "The password found was: " & _
学习啦在线学习网 DBLSPACE & "$$" & 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
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
学习啦在线学习网 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
学习啦在线学习网 Dim PWord1 As String
Dim ShTag As Boolean, WinTag As Boolean
Application.ScreenUpdating = False
With ActiveWorkbook
学习啦在线学习网 WinTag = .ProtectStructure Or .ProtectWindows
学习啦在线学习网 End With
学习啦在线学习网 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
MsgBox MSGNOPWORDS1, vbInformation, HEADER
Exit Sub
End If
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
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
学习啦在线学习网 .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) & _
Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
MsgBox Application.Substitute(MSGPWORDFOUND1, _
"$$", PWord1), vbInformation, HEADER
Exit Do 'Bypass all for...nexts
End If
End With
Next: Next: Next: Next: Next: Next
学习啦在线学习网 Next: Next: Next: Next: Next: Next
Loop Until True
学习啦在线学习网 On Error GoTo 0
End If
If WinTag And Not ShTag Then
MsgBox MSGONLYONE, vbInformation, HEADER
Exit Sub
End If
学习啦在线学习网 On Error Resume Next
For Each w1 In Worksheets
'Attempt clearance with PWord1
w1.Unprotect PWord1
Next w1
On Error GoTo 0
学习啦在线学习网 ShTag = False
For Each w1 In Worksheets
'Checks for all clear ShTag triggered to 1 if not.
学习啦在线学习网 ShTag = ShTag Or w1.ProtectContents
Next w1
If ShTag Then
For Each w1 In Worksheets
With w1
If .ProtectContents Then
On Error Resume Next
Do 'Dummy do loop
学习啦在线学习网 For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
学习啦在线学习网 For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
.Unprotect Chr(i) & Chr(j) & Chr(k) & _
Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
学习啦在线学习网 If Not .ProtectContents Then
PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _
学习啦在线学习网 Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
MsgBox Application.Substitute(MSGPWORDFOUND2, _
"$$", PWord1), vbInformation, HEADER
'leverage finding Pword by trying on other sheets
For Each w2 In Worksheets
学习啦在线学习网 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
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
End With
Next w1
End If
MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER
End Sub
学习啦在线学习网 -----------------------------------------------------------------------------------------
复制到横线以上
学习啦在线学习网 得到情况如下图表示
撤销保护步骤6：关闭编辑窗口;
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)：
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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