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Do you have Visual Basic (not VBA but the standalone?) If so, you could put your sensitive code into a .dll and use that from within VBA. That way you have only some calls in your VBA code while the real code is inside a compiled dll.
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Do you have Visual Basic (not VBA but the standalone?) If so, you could put your sensitive code into a .dll and use that from within VBA. That way you have only some calls in your VBA code while the real code is inside a compiled dll.

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Thanks for that, but I do not have VB.
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Hi, I am using Excel 97 and I need to protect my VBA project code. The built in password protection is too easily cracked with cheap or free software. Does anyone know of any companies which sell VBA project encryption software, and/or is there another way of doing this. I have done extensive net searches and found nothing. 
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Hi, I am using Excel 97 and I need to protect my VBA project code. The built in password protection is too easily cracked with cheap or free software. Does anyone know of any companies which sell VBA project encryption software, and/or is there another way of doing this. I have done extensive net searches and found nothing. 

VBA code protection

Visual Basic is Microsoft’s event-driven programming language and integrated development environment (IDE) for its Component Object Model (COM) programming model. It is relatively easy to learn and use because of its graphical development features and BASIC heritage. It has been replaced with VB.NET, and is very similar to VBA (Visual Basic for Applications), the programming language for the Microsoft Office product line.