>I know (at least I think I know) 64 will shell 32 and 32 will shell 16 - but,
>32 will never shell 64!
>
>oMyVFP9-32BitExcelObj=createobject('Excel64.Application')
>
>
>user.dll vs user32.dll:-)

I don't know the answer, I assume you are referring to a hypothetical situation. You'll have to try it out sometime like this in the future.