O&O Defrag merges the individual fragments from files and then sorts all data into separate zones. To accomplish this, O&O Defrag gives you three new methods of defragmentation that combine perfectly with all its standard options. Altogether, they allow you to customize the way files are organized on your computer.Your system will start faster, running programs will be speeded up, and new fragmentation can be avoided! Fully automatic defragmentation at your fingertips! The full set of professional options makes O&O Defrag everything a superior system tool should be!