>For one client, I need to convert FoxPro to Visual FoxPro. For now, I won't be making a major redesign - just checking for compatibility and aesthetics.
>
>Some special characters are output to the screen, for borders, lines, and such; how do I convert that? If I open the program with:
>
>MODIFY COMMAND abc.prg AS 850 && or some similar codepage
>
>I see the characters correctly, but what do I do next? Just "Save as..."?

There is a converter application, shipped with VFP, launched by

DO (_CONVERTER)

I don't know how efficient it is, but it may be a good starting point...