Not directly, but here's one solution: http://www.sweetpotatosoftware.com/spsblog/2008/09/30/UsingExcel2007FileFormatsInVFP90.aspx

>Hi All:
>
>Is there a way to append from an XLSX (Excel 2010) file?
>
>Like
>
>APPEND FROM ("C:\test\foo") xlsx
>
>Thanks,
>
>Yossi