O&O Defrag 25 Professional puts is a replacement for the standard Windows defragmenter, that offers a much advanced set of features. It puts fragmented files together and maximizes your system speed and offers five different defragmentation strategies, as well as OneButtonDefrag technology for automatic adjustment of the settings best fitting for your system.

- The program can defragment drives manually, or fully automatic in the background. As a result, that keeps your system at peak performance by avoiding 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, special support for mobile systems and more.
- O&O Defrag 25 offers the increased performance up to 100%.
- If you spend a lot of time on your PC, slow system and program starts or system crashes while playing can be very frustrating.
- Periodic defragmentation often works wonders in bringing new life to a PC.
- O&O Defrag now has Remote Desktop! With the integrated Remote Desktop you can help your family and friends anytime from anywhere direct on their machines!
- The O&O Defrag 25 is integrated into the O&O Cloud IT Management solution - O&O Syspectr!
- With O&O Syspectr you have the optimal overview of your Windows settings and system status.
- You can control O&O Defrag and other tools easily over the Cloud.
- The newly integrated functions from O&O Syspectr are especially useful for customers with several machines.
- Also for owners of the Family Edition, who are not always sitting at home in front of each PC.

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