>I'm trying to solve a problem for a company.
>They have a sistem in Cobol, running on xenix 2.3.4
>
>Is there a way to convert data to vfp?
>Files of data have the extension .dat

You should check around for data translation software. There are at least one or two packages out there that can translate to and from virtually any file format. I can't think of any names, but I'm sure a web search would turn something up.