在Excel中录入好重要资料的时候都需要进行密码保护处理，而过了一段时间后却觉得不再需要用到密码进行保护了，这个时候就需要用到取消加密的功能了，具体该如何取消加密的功能呢?下面是由小编分享的excel2007 取消加密的有效方法，以供大家阅读和学习。

excel2007 取消加密的有效方法：

取消加密步骤1：打开Excel表格中的Excel选项，选择自定义，得到如下画面：

取消加密步骤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。

取消加密步骤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：

取消加密步骤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：

取消加密步骤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：

从横线下开始复制

------------------------------------------------------------------------------------------

Option Explicit

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" & _

"Norman Harker and JE McGimpsey"

Const HEADER As String = "AllInternalPasswords User Message"

Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04"

Const REPBACK As String = DBLSPACE & "Please report failure " & _

"to the microsoft.public.excel.programming newsgroup."

Const ALLCLEAR As String = DBLSPACE & "The workbook should " & _

"now be free of all password protection, so make sure you:" & _

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 " & _

"may be an offense. If in doubt, don't."

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 " & _