Look into Excel Automation.

You can open an Excel File and append the row using VFP code.

>I have a program that exports an entire file from a VFP database into an Excel Spreadsheet. I now have a situation where I need to occassionally append one row to that existing spreadsheet from within my VFP program. How do I do that?
>
>Thanks in advance.
>
>Tobey Miller
>Meridian Information Systems