Roman Trump ,Washington ,USA .As I have summarized the প্রবন্ধ that its about Microsoft Office excel গুপ্তশব্দ recovery .Opening excel from protection mode is very difficult job because its encryption are strongly high and its only decrypt through the Microsoft engineers originally .But with the help another software আপনি can unlock ,open ,remove গুপ্তশব্দ ,decrypt excel sheet very smoothly .This software achievement was not trouble free but we made it ease with our determination ,hard work ,concentration ,etc .So after a deep research and development we got this success at our hand for the world...