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#VISUAL BASIC FOR APPLICATIONS VBA HOW TO#
#VISUAL BASIC FOR APPLICATIONS VBA CODE#
#VISUAL BASIC FOR APPLICATIONS VBA PASSWORD#

Please note that the VBA code protections are not bulletproof security, but it does provide some protection against casual attackers. The article discusses methods you can use to prevent other users from stealing or tampering with your VBA code. Unfortunately, this puts your code at risk of being stolen or copied by others. Using macros is a great way to streamline the development of advanced functions.

Difficulty: Complicated and time-consuming Because VBA and C/C++ are such different languages, it’s more difficult since you’ll have to invest a lot of effort.

Security level: Highest It’s nearly impossible to get the code without the rights But again, it isn’t 100% guaranteed.

If you want to protect your code, this is the best way. Translating your macros to C or C++ is harder to reverse engineer than VBA.

#VISUAL BASIC FOR APPLICATIONS VBA HOW TO#

To learn how to compile, see the instructions at : 10 steps to compile VBA code into native Windows DLL. This method of protection is highly recommended, but it isn’t 100% guaranteed. So we can also compile the VBA code into a dynamic link library file and then use it in Excel. This is due to the fact that the code is compiled into executable files or dynamic link library files. #3 Convert VBA Code to Dynamic-Link Library (DLL)Ĭompilers such as Visual C++ and Visual Basic produce applications that are difficult to crack. After the first module obfuscation test is successful, move on to the second. Use a single part of the project to obfuscate. Please test it thoroughly before releasing it. Also remember that the obfuscated code can’t be guaranteed to execute without faults. Please keep in mind that the obfuscation is irreversible, so make a backup of the source file before proceeding. You can use VBA obfuscation in tandem with the #1 technique, which is to first obscure and then secure the module with a password. Difficulty: Moderate Depending on the level.Security level: Medium Someone will still be able to take the time and spend enough resources to recover the code.Advanced VBA obfuscators use a number of advanced obfuscation techniques, making reverse tracing and recovery considerably more challenging. It modifies your existing macros with multiple levels of obfuscation which makes it difficult to understand the underlying logic. VBA obfuscation is the art of making your VBA code unreadable but still functional. #2 Use VBA Obfuscation to Protect Your Macro Code When you protect your VBA project with a password, it will prevent anyone from accidentally modifying.

#VISUAL BASIC FOR APPLICATIONS VBA PASSWORD#

You’ll be able to tell whether VBA password protection was properly enabled by double-clicking your VBA project. Check “Lock project for viewing” and then type in your password twice into both of these boxes and hit “OK”. Select “Visual Basic” from the “Developer” menu in Excel.

Security level: Weak There are tools such as VBA Password Remover which can be used to unlock the password in minutes.

This part explains how you can use VBA project protection settings to protect your VBA code from prying eyes and tampering hands on some level. #1 Password Protect VBA Code Within Excel Using VBAProject Tool It’s up to you and what you think is best for your needs. It’s important to note that there are several different ways of protecting your VBA code, but not all of them protect your code in the same way. If you have a valuable piece of VBA code that’s making your work easier or more efficient, then you may want to protect it for personal use only.

To protect yourself from people using your work.

Don’t make it easy for anyone to steal or copy. Protect your valuable source code with security measures. If someone else accesses your spreadsheet and copies the functionality that you use, then they could potentially pass it off as their own work and sell it to a lot of companies. VBA code can be very valuable to some companies.

To protect your intellectual property.

You don’t want to debug your VBA code because it can be painful-might take hours to figure out why and then even more time! If you don’t secure the VBA with a password, then others using your workbook can access the code and make changes to it without knowing what they’re actually doing. VBA code is a powerful tool for Excel users, but it can also be a source of frustration for those who don’t use it.

To protect your VBA code from being accidentally changed.

There are several reasons that you should protect your VBA code: VBA is a macro language that can be used to create automated tasks or actions in Excel, Word, PowerPoint. Why Should You Care About Protecting VBA Code?

#3 Convert VBA Code to Dynamic-Link Library (DLL).

#2 Use VBA Obfuscation to Protect Your Macro Code.

#1 Password Protect VBA Code Within Excel Using VBAProject Tool.

Why Should You Care About Protecting VBA Code?.