Overview of O&O Defrag Professional

It puts fragmented files together, maximizes your system speed, and offers five different defragmentation strategies and OneButtonDefrag technology for automatically adjusting the settings best fitting for your system.

The program can defragment drives manually or fully automatically in the background. As a result, that keeps your system at peak performance by avoiding the build-up of file fragmentation. Defragmentation jobs can also be scheduled using various criteria.

Additional features include status reports, cluster inspector, command-line interface, optional MMC integration, boot time defragmentation, exceptional support for mobile systems, and more.

Features of O&O Defrag Professional

New defragmentation method SOLID: for the most resource and hardware-friendly optimization of your hard disks and SSDs

Fragment Filter to identify the most fragmented files on a drive

O&O DiskStat

O&O DiskCleaner

Time View to see which defragmentation activity results in which successful optimization

Easy-to-Use: Ideal for Beginners and Professionals

The even faster system, and the program starts

Defragmentation time is reduced by up to 40%

Defragmentation of locked files

Lifetime Performance Statistics

Automatic deletion of free space for more privacy

Optimizing systems with Thin Provisioning

Supports Windows 10, Windows 8.1, and Windows 7

Server Edition requires Windows Server 2016, 2012 R2, 2012, 2008 R2, 2008

Technical Details and System Requirements

Supported OS: Windows 11, Windows 10, Windows 8.1, Windows 7

RAM (Memory): 2 GB RAM (4 GB recommended)

Free Hard Disk Space: 200 MB or more