title: AutoIT Create New, valid Excel File
body: <p>How do I create a new, valid Excel file in Autoit? </p>
  
  <pre><code>Local $sFileName = @ScriptDir &amp; "\Worksheet.xls"
  Local $oExcel = _Excel_BookNew($sFileName, 10)
  </code></pre>
  
  <p>creates an invalid one with 0 Bytes, which I cannot open.</p>