Casper is special software that allows users to make copies of their HD data quickly and conveniently. The software comes with a large number of features that users can customise to meet their specific needs such as the time when disk scanning will be carried out for their ultimate convenience. However, it should be noted that only the trial of Caser is available for free and people who want to continue using the software after the thirty day period has expired will have to pay out for the full version.