how to secure an excel file so that the form and code is secure against copying? : <p>I have an Excel file that has a form and macros.
I will give this Excel file to users.
However, the form and the code must be protected against copying.
I thought to break the Excel macros into DLL so that the VBA code can not be recovered.</p>

<p>Would you know if from the DLL we can recover the original VBA code?</p>

<p>Do you have other ideas to protect against copying?</p>

<p>Thanks</p>
