I checked in VFP9 and it's named 'Modify File' on menu but works the same as in VFP8.

>I also noticed the following behavior.
>
>If the Project Manager is docked, and you right click
>and choose Modify, you get prompted.
>
>If the Project Manager is NOT docked, and you click
>the Modify button, the database designer opens.
>
>In both cases, double clicking opens the database designer.
>
>This behavior appears in both VFP7 & VFP8.
>
>