O&O Defrag has a time scheduler and carries out regular automated sweeps of your system. By activating the Background Defragmentation, you not only bring your PC back to its peak, but you also prevent future data fragmentation at source, all automated and silently running in the background. It extends the life of your hardware. Speeds Ã??Ã?Â¢??Ã??Ã?Â¢??up your backup and restoration processes.