If your computer performance is slow, you can format and reinstall the system to make it fast. There are various presumptions concerning the impact of virus and file congestion, which lead to the computer system becoming so slow.
Also, an assumption that after reformatting your computer system, programs, data and operating system gets lost. However, the program, data, and files are not completely lost. But the question is how to recover them.
Smart and careful computer users would transfer and save their files in a drive for backup reasons. After they reformat the system, they get back every lost data and files through restoration and re-installation. Some folks are quite satisfied with this process. However, there is a simpler alternative – using recovery software.