.NET: Convert .doc to .htm results in funky characters

string html = File.ReadAllText(myFileSpec);

string html = File.ReadAllText(originalFile, Encoding.ASCII);

string html = File.ReadAllText(originalFile, Encoding.GetEncoding(1252));

<ul style='margin-top:0cm' type=disc>
     <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'>
       <span lang=EN-GB style='mso-ansi-language:EN-GB'>Test 1</span>
     </li>
     <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'>
       <span lang=EN-GB style='mso-ansi-language:EN-GB'>Test 2</span>
     </li>
 </ul>

data = File.ReadAllText(tempFile, Encoding.Default);