title: Netbeans file cannot be safely opened
body: <p>I get files from friend who don't use netbeans IDE, when i open file that contain special caracter like 'é','à',... it show me this popup message :  <img src="https://i.stack.imgur.com/gy1dm.png" alt="this popup message"></p>
  
  <p>if i say yes it open the file and changes those caracters to '�' like <img src="https://i.stack.imgur.com/bIUV3.png" alt="this"> or <img src="https://i.stack.imgur.com/Lu9ya.png" alt="this"></p>
  
  <p>Any idea how to open the file safely?</p>