You can encrypt the data in the tables. As for as copying to another computer, I don't know how to prevent that, but the data in the encrypted tables would only be able to be seen through your program.

Greg

>hi all:
>
>could someone pls. tell me how i could prevent a database and its constitutent tables from being copied onto another pc and then being opened through vfp at another installation. In short, how can i prevent my tables from being opened outside of my application pgm. Can i secure the database through a password etc. ?
>
>sincere thanks inadvance and with kind regards.