>>Hi,
>>
>>In the PUTFILE() dialog I want the user to see both XLS and XLSX files. The only way I could do it if I pass the following in the Extention parameter: "XLS*" (using asterisk wild card).
>>
>>But I read in VFP help that I should be able to specify two extensions as "XLS, XLSX" or "XLS| XLSX" or "XLS; XLSX" but none of these methods work.
>>
>>What am I missing?
>
>Please remember that XLSX came out after the last release of Foxpro. XLSX is mostly a zipped XLS file, which I don't think PUTFILE can handle.

XLSX is a zipped set of files and folders containing XML. Ditto for OpenDocument formats (odt, ods and others).