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O&O Defrag Professional Edition 18.9.60

Defragment your hard drive and improve your system performance using this professional tool

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O&O Defrag Professional Edition screenshotO&O Defrag Professional Edition is a powerful system utility that will help you defragment your hard disk and improve the speed and performance of your system. The program logically rearranges the fragmented files across the hard disk, increasing the speed you can work on your computer. The program is also capable of deleting the free space on your hard drive in order to remove traces and protect your privacy. The computer's speed will also be improved, due to deletion of temporary or junk files remained on your hard drive after uninstalling various applications.

O&O Defrag Professional Edition will significantly increase your system's performance by sorting your files and making them easier to read by Windows. The program also lets you perform fast defragmenting tasks by allowing you to simultaneously defragment several drives. By doing this you will be able to reduce by 40% the time required for defragmenting.

O&O Defrag Professional Edition is able to perform quiet defragmentation in your system background, allowing you to continue your work on computer without disturbing or interrupting you. The defragmentaion process will not have a negative impact on your systems.

O&O Defrag Professional Edition can also optimize and reduce the actual memory usage of virtual machines, virtual drives and Storage Area Networks (SAN). It also provides SSD optimization through TRIM commands regardless of their manufacturer. By doing this you will speed up access times for your SSDs and will prevent early wear and tear effects.


  • Performs drive defragmentation in background, without interrupting your work or affect your system.
  • Provides support and optimization for SSDs.


  • Some users may find the program's interface and settings confusing.
  • It's quite slow in comparison with similar products.
Name O&O Defrag Professional Edition
Version 18.9.60
Developer | see all products from this developer
Product Homepage O&O Defrag Professional Edition
License Free to try (Shareware)
Last Week Downloads 0
All Time Downloads 3,333
Filename OODefrag18ProfessionalEnu.exe
Filesize 24.0MB
MD5 Checksum DF7E5517D49CA9F71593C39AB9A74916
OS Support Windows All
Category Utilities

100% CLEAN Certification

BadgeO&O Defrag Professional Edition has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
O&O Defrag Professional Edition 18.9.60 July 08, 2015 - Latest Version
O&O Defrag Professional Edition 18.0.39 September 16, 2014
O&O Defrag Professional Edition 17.5.559 May 14, 2014

Download the free O&O Defrag Professional Edition