>My code is
>
>CLEAR
>CLEAR ALL
>USE c:\global\globalin IN 0 EXCLUSIVE
>SELECT globalin
>ZAP
>append FROM j:\global\ss\aaa.xls TYPE xls
>
>Microsoft Excel file format is invalid
>
>
>
>What am I doing wrong?

Aside from Martina's suggestion that it's actually an XLSX, also try type XL5.

Tamar