In present days , computers have become a part of life and we are so much dependent on our digital devices that carry our data , useful information and our personal information and credentials. Think of the day you forgot to take your phone to office , you can't live without your phone as you would feel something missing from your life. Data ,contacts and personal information present in your devices are so important that could be in need anytime , so there is a strong need to have some backup option available.