File Name Format  : XXXXXXLS.ZZZ
      XXXXXX : Security symbol (length 2-6 charactors)
      L      : LANGUAGE (T = Thai/E = English)
      S      : Content ID
               Content ID descriptions following
               A : §ҹШӻ
               B : 
               C : 
               D : 
               E : 
      ZZZ    : File Extension (.DOC, .XLS)
