Content-type application/vnd.ms-excel is used when we send the real excel sheet like one created with Spreadsheet::WriteExcel. If you are sending CSV content, try using "text/csv" as content-type.

print "Content-type: text/csv\n";  #Changed content-type to CSV
print "Content-Disposition: attachement; filename=test.xls\n\n";
print $excel;
[download]

Hope this works.

--VC

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There are three sides to any argument.....
your side, my side and the right side.