>We are currently compling one of our applicaitons in both VFP 5.0 and VFP 6.0. We have probems when a developer modifies code in both classes and menus.
>
>The problem is that a class and menu modified in 6.0 can no longer be accessed in 5.0. The class library is easily corrected by simply re-compling the class in 5.0; however, the menu will not open in 5.0. The database for the menu (MNX file) looks the same, but when you modify the menu in 5.0 you get the error that "Memo file is Invalid"
>
>Can any one help? I need to modify the menu in 5.0.

Joe, I didn't try it, but may be you open it in VFP6 as:

USE mymenu.MNX

and then

COPY to mymenu1 TYPE FOX2X

and then try to open mymenu1 (renamed to .MNX and MNT respectively) in VFP 5