我被要求更新一些Excel 2003宏,但是VBA项目有密码保护,而且似乎缺乏文档…没人知道密码。

是否有一种方法可以删除或破解VBA项目的密码?


当前回答

Access、Excel、Powerpoint或Word文档上的VBA项目密码(带有扩展名. accdb . xlsm . xltm . docm . dotm . potm . ppsm的2007、2010、2013或2016版本)可以轻松删除。

这只是将文件名扩展名更改为. zip,解压缩文件,并使用任何基本的十六进制编辑器(如XVI32)来“打破”现有密码的问题,这会“混淆”Office,因此它会在下次打开文件时提示输入新密码。

步骤总结:

rename the file so it has a .ZIP extension. open the ZIP and go to the XL folder. extract vbaProject.bin and open it with a Hex Editor "Search & Replace" to "replace all" changing DPB to DPX. Save changes, place the .bin file back into the zip, return it to it's normal extension and open the file like normal. ALT+F11 to enter the VB Editor and right-click in the Project Explorer to choose VBA Project Properties. On the Protection tab, Set a new password. Click OK, Close the file, Re-open it, hit ALT+F11. Enter the new password that you set.

此时,如果您愿意,您可以完全删除密码。

完整的说明和我制作的“way back when”视频在YouTube上。

令人震惊的是,这种解决方法已经存在多年了,而微软还没有解决这个问题。


这个故事的寓意是什么?

Microsoft Office VBA项目密码不依赖于任何敏感信息的安全。如果安全性很重要,请使用第三方加密软件。

其他回答

接受的答案在Windows 10上的Excel 2019中无法正常工作。找到了查看锁定宏所需的额外步骤。我正在总结步骤。

Add a .zip to the end of the excel filename and hit enter Once the file has been changed to a ZIP file, open it by double clicking on it Inside you would see a folder called xl like below Inside xl, you'll find a file called vbaProject.bin, copy/paste it on the desktop Go to the online Hexadecimal Editor HexEd.it Search for the following texts DPB=... and change them to DPx=... Save the file and close HexEd.it Copy/Paste the updated file from your desktop inside the ZIP file (you would need to overwrite it) Remove the .zip extension from the end of the filename and add the excel extention again. Open the file in excel - you may receive a couple of error notifications, just click through them.

====在接受的答案=====之外的额外步骤

Open the Visual Basic window (usually ALT+F11 if I remember correctly) and open the VBAProject properties (Tools menu). Click on the Protection tab and change (do not remove at this stage) the password to something short and easy to remember (we'll be removing in next step). Save the workbook and then close and reopen. Open again the Visual Basic window and enter the password you just put in. Redo the previous step but this time you can remove (delete) the password. Save the workbook and you have now removed the password.

从以下站点采取额外步骤 https://confluence.jaytaala.com/display/TKB/Remove+Excel+VBA+password

Access、Excel、Powerpoint或Word文档上的VBA项目密码(带有扩展名. accdb . xlsm . xltm . docm . dotm . potm . ppsm的2007、2010、2013或2016版本)可以轻松删除。

这只是将文件名扩展名更改为. zip,解压缩文件,并使用任何基本的十六进制编辑器(如XVI32)来“打破”现有密码的问题,这会“混淆”Office,因此它会在下次打开文件时提示输入新密码。

步骤总结:

rename the file so it has a .ZIP extension. open the ZIP and go to the XL folder. extract vbaProject.bin and open it with a Hex Editor "Search & Replace" to "replace all" changing DPB to DPX. Save changes, place the .bin file back into the zip, return it to it's normal extension and open the file like normal. ALT+F11 to enter the VB Editor and right-click in the Project Explorer to choose VBA Project Properties. On the Protection tab, Set a new password. Click OK, Close the file, Re-open it, hit ALT+F11. Enter the new password that you set.

此时,如果您愿意,您可以完全删除密码。

完整的说明和我制作的“way back when”视频在YouTube上。

令人震惊的是,这种解决方法已经存在多年了,而微软还没有解决这个问题。


这个故事的寓意是什么?

Microsoft Office VBA项目密码不依赖于任何敏感信息的安全。如果安全性很重要,请使用第三方加密软件。

您的excel文件扩展名更改为xml。 然后用记事本打开。 密码文本在XML文件中找到。

你看下面这条线;

Sheets("Sheet1").Unprotect Password:="blabla"

(抱歉我的英语不好)

如果你使用Java,你可以尝试VBAMacroExtractor。在从.xlsm中提取VBA脚本后,我发现了明文密码。

我的工具VbaDiff直接从文件中读取VBA,因此您可以使用它从大多数办公文档中恢复受保护的VBA代码,而无需求助于十六进制编辑器。