I simply used a hex editor, and checked several files. VFP comes with a reasonably good HEX editor

Do (Home(1)+'\tools\hexedit\hexedit.app') with yourfile

>Tore, how did you figure out, or know, all of the file header codes?
>
>Cecil
>
>>You're welcome!
>
>>>Okay, this worked perfectly!
>>>
>>>Thank you!
>>>
>>>Cecil