title: Excel to Tab delimited (.txt) file with special character
body: <p>I want to export Excel to Tab delimited (.txt) file with special character.</p>
  
  <p>I've changethe format to UTF-8, but it still doesnt work.</p>
  
  <p>The origin data is like <code>Mädchen</code> and what i got is <code>M?dchen</code></p>
  
  <p>Anyone can help me? Thank you</p>