# O&O Defrag 26

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> Historical software reference. This page documents an earlier release, not a current product offer.

Choose classic or simplified defragmentation controls and check system errors with O&O Defrag 26.

## Improve PC Performance with Defragmentation

O&O Defrag efficiently sorts and combines files on your hard drive or SSD, reducing access times and enhancing overall performance.

### Enjoy Hassle-Free Optimization

O&O Defrag takes care of everything automatically, eliminating the need for complex settings and decisions. Simply choose between manual or automatic operation.

#### Customize Your Defragmentation Strategy

With **O&O Defrag 26**, you have the flexibility to personalize your defragmentation approach. Switch between the classic view with professional settings and the modern view for a simplified experience.

## Comprehensive System Maintenance

O&O Defrag 26 conducts checks for inconsistencies, errors in memory and Windows system files, and offers repair functions for prompt correction.

### Free Up Storage Space

Eliminate unnecessary files and reclaim valuable storage space with the improved O&O DiskCleaner, enhancing system performance and preventing storage issues.

#### Efficient Program Removal

Identify and uninstall unused programs effortlessly to free up disk space and enhance security with **O&O Defrag 26**’s program management feature.

## Automatic Background Defragmentation

Optimize your data volumes without impacting computer performance through O&O Defrag’s automatic defragmentation, customizable based on fragmentation levels, specific days, or screen saver activation.