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Do not wait too long! If you work on computers a lot, then slow system and program starts, endless rendering and memory processes, or even system crashes when playing can quickly ruin your enjoyment. Defragmenting your PC can hugely accelerate the speed you can work on your PC. When you defragment, those files fragmented across the hard disk are logically rearranged so that files can be quickly recognized and processed by the hardware. Performance gains of up to 100% are not uncommon!

In the new version of O&O Defrag, you can now see what the program does for your system thanks to graphics and statistics, which give you a before-and-after Defrag contrast!

The revised and improved algorithms for defragmentation mean that O&O Defrag 16 packs stored file fragments even faster together, and support for defragmentation of locked files under O&O Defrag 16 is better than ever before. The SSD Optimization by TRIM has also been enhanced and now supports even more manufacturers.

With O&O Defrag 16, several drives can be defragmented simultaneously. In addition, the algorithms have been substantially accelerated, reducing the time required for a defragmentation by up to 40%. By using O&O Defrag, files can be read and written much more quickly. What at first seems to be lost performance can easily be rediscovered and realized again with O&O Defrag, giving you the peace of mind that your hardware is in good health and operating optimally.

O&O Defrag x64 works quietly in the background so that the defragmentation process does not disturb other tasks and has no negative performance impact on your systems.

Deletion of free space on hard disks for increased pr ivacy and security. With O&O Defrag 18 x64 you now securely delete free space on your disks to destroy all traces of your old data. After safely deleting the traces from the free space on your disk no one can ever access that data ever again. This means that with O&O Defrag x64 you can not only optimize your data and hard drives but also protect your data from unauthorized access - with one program and only one process!
Optimization of disks in virtual machines and SANs (Storage Area Networks). O&O Defrag 18 x64 can optimize the actual memory allocation for virtual machines and SANs. This technology further strengthens our support for the ever more popular Virtual and SAN IT environments and gives customers the chance to optimize even more of their IT activities.
Optimize SSDs using TRIM. In O&O Defrag 18 x64 we have widened support and compatibility for the TRIM functions for SSDs even further.
Unique Time View shows which action lead to what performance gains
Extends the life of your hardware
Increases the chances of recovering lost data
Speeds up your backup and restoration processes
Vendor-independent support for TRIM optimization of solid state drives (SSDs)