The new background monitoring function helps to prevent fragmentation at source. Newly added and modified files are analyzed and defragmented whenever they are not being accessed. O&O Defrag makes sure that your hard disk is constantly performing at its peak.

Highlights
New: Protection from strong fragmentation through background monitoring and defragmentation
New: Defragmentation of individual directories and files through the context menu
New: Optimized File Status View and enhanced Block View
Wizard for regular and automated defragmentation
Five different defragmentation methods
O&O OneButtonDefrag for simple setting up of automatic defragmentation
O&O ActivityGuardPro for the least system load
Support of all Windows drives

Operating System: Windows Vista, XP, 2000