Excel表格密码保护的解除方法

九月 27, 2020

safty

表格受密码保护时，我们修改数据Excel弹出“您试图更改的单元格或图表受保护，因而是只读的。
若要修改受保护单元格或图表，请先使用‘撤消工作表保护’命令(在‘审阅’选项卡的‘更改’组中)来取消保护。
可能会提示输入密码。这时候我们可以用VBA宏代码破解法来破解表格保护密码：

第一步：打开该文件，先解除默认的“宏禁用”状态，方法是点击工具栏下的“选项”状态按钮，
打开“Microsoft Office安全选项”窗口，选择其中的“启用此内容”，“确定”
再切换到“视图”选项卡，点击“宏”→“录制宏”，出现“录制新宏”窗口，在“宏名”定义一个名称为：
PasswordBreaker，点击“确定”退出；
第二步：再点击“宏”→“查看宏”，选择“宏名”下的“PasswordBreaker”并点击“编辑”，
打开“Microsoft Visual Basic”编辑器，用如下内容替换右侧窗口中的所有代码：

其中，对于 Office 2007 以前版本，使用：

Sub PasswordBreaker()
　　Dim i As Integer, j As Integer, k As Integer
　　Dim l As Integer, m As Integer, n As Integer
　　Dim i1 As Integer, i2 As Integer, i3 As Integer
　　Dim i4 As Integer, i5 As Integer, i6 As Integer
　　On Error Resume Next
　　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
　　ActiveSheet.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 ActiveSheet.ProtectContents = False Then
　　MsgBox "One usable password is " & Chr(i) & Chr(j) & _
　　Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _
　　Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
　　ActiveWorkbook.Sheets(1).Select
　　Range("a1").FormulaR1C1 = Chr(i) & Chr(j) & _
　　Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _
　　Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
　　Exit Sub
　　End If
　　Next: Next: Next: Next: Next: Next
　　Next: Next: Next: Next: Next: Next
End Sub

对于 Office 2007及以后版本，使用：

Sub PasswordBreaker()
    Dim i As Integer, j As Integer, k As Integer
    Dim l As Integer, m As Integer, n As Integer
    Dim i1 As Integer, i2 As Integer, i3 As Integer
    Dim i4 As Integer, i5 As Integer, i6 As Integer
    On Error Resume Next
    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
    ActiveSheet.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 ActiveSheet.ProtectContents = False Then
    MsgBox "One usable password is " & Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
    ActiveWorkbook.Sheets(1).Select
    Range("a1").FormulaR1C1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
    Exit Sub
    End If
    Next: Next: Next: Next: Next: Next
    Next: Next: Next: Next: Next: Next
End Sub

第三步：再点击“宏”→“查看宏”，选择“宏名”下的“PasswordBreaker”并点击“执行”，密码就现形了

第四步：点击“撤消工作表保护”，然后输入密码即可解除锁定；

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