title: Which file types are associated with an Excel workbook that has a file format with a value of 63?
body: <p>Does anyone know which file types are associated with an Excel workbook that has a file format with a value of 63? I have already looked at the MSDN article about the <a href="https://msdn.microsoft.com/de-de/library/office/ff198017.aspx" rel="nofollow noreferrer">"XlFileFormat Enumeration"</a>, but I have not found the value of 63 there. Can anyone help or share a useful web link?</p>
  
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  <p>Update to deliver a <a href="https://stackoverflow.com/help/mcve" title="Minimal, Complete, and Verifiable example">Minimal, Complete, and Verifiable example</a>:</p>
  
  <ol>
  <li>Create a new blank .txt file and encode it as UTF-8 <strong>with BOM</strong> (you can use a program like <a href="https://notepad-plus-plus.org/" rel="nofollow noreferrer">Notepad++</a> for that task)!</li>
  <li>Open Microsoft Excel (I used Microsoft Excel 2010 32-bit for Windows)!</li>
  <li>Within the opened Excel application open the newly created .txt file with "File" --> "Open"!</li>
  <li>Within Excel create the following VBA macro and execute it to get the "XLFileFormat" value for the currently active workbook or rather the opened .txt file!</li>
  </ol>
  
  <p><code>Public Sub ShowFileFormatOfActiveWorkbook()
      MsgBox ActiveWorkbook.FileFormat
  End Sub</code></p>
  
  <ol start="5">
  <li>If you have followed the above instructions correctly, you should get a value of 63 (from Excel 2010, but a value of 64 from Excel 2013/2016).</li>
  <li>Repeat the above instructions with an UTF-8 encoded .csv file! You will get a value of 63 (or 64 depending on the Excel version you use) again.</li>
  </ol>
  
  <p>Do just UTF-8 encoded text-based files (e.g. .txt, .csv, .html) have a "XlFileFormat" value of 63 or do exist some more file types which match the mentioned "XlFileFormat" of 63?</p>