It is very important for us to get full backup of our digital data because nobody knows exactly when an electronic device can fail. Many people around the world loss important digital data in the form of pictures, documents, videos, files etc when device on which this data is stored crashes. For example, hard disk of any computer can broke any time causing loss of valuable data. Therefore, it becomes very important to take backup of important data. People can get help of data backup service to store their data. In this way, people always have backup of valuable data in case their storage device fails. There are many trustworthy storage devices available online which allow us to store date online for free of cost up to certain limit and people can store unlimited data by paying small amount of money.