EXCEL2007 文件密码的破解？

Excel工作表保护密码破解

方法:
1\打开文件
2\工具---宏----录制新宏---输入名字如:aa
3\停止录制(这样得到一个空宏)
4\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:(复制吧)
6\关闭编辑窗口
7\工具---宏-----宏,选AllInternalPasswords,运行,确定两次,等2分钟,再确定.OK,密码取消了!!
内容如下:
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&q