In addition, they could search the code since I am unable to prevent access being that I am required to dumb it down to xL 5.0 and type '=secret!A1' in any unlocked cell to display the password.

So, back to the drawing board....I have an idea...maybe.

what is the code to "Lock Project for Viewing" or prevent access to a vba module? I should be able to check xL version information upon WB opening and protect module based on the version opening it. xL 5.0 allows typical '.visble=false' and '.protect password:=' assignment. If a newer version of xL is used it would apply the protection accordingly...i'll research that one. THANK-YOu for all of your help. I learned something new!!