title: Password protection of autocad dvb files
body: <p>I work in a construction projects company developing autocad tools, mostly with the integrated vba editor. </p>
  
  <p>The company wants to keep the developed dvb files stay inside the company, or somehow make them useless when they are carried outside.</p>
  
  <p>So, I know that be password protecting the created dvb files, the code can be hidden (Although after 5 min of google search I discovered that it is trivial to unlock them.) I am trying to find a way that the developed vba files will be used and executed in office, however their codes will be hidden and the employees would not be able to use them out of office.</p>
  
  <p>I am not sure if this is possible though. I know that if I develop external exe files I can use several methods(Connect to local server before running, use USB stick key etc..), however I wonder if I can guarentee that the codes I wrote in the AUTOCAD VBA editor will not be seen and can not be used outside office.</p>
  
  <p>Thank you for all the help in advance.</p>
  
  <p>P.S: Using Autocad 2010 on Windows 7 SP1</p>