O&O Defrag Professional 4.0

Quick specs
Price: Free to try $47.37 to buy
Operating system: Windows NT, Windows XP, Windows 2000
Date added: March 13, 2002
Total Downloads: 241,663
Downloads last week: 228
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A newer version of O&O Defrag Professional is available.

Download the latest version | Learn more about O&O Defrag Professional Edition 11.5.4065

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Average user rating: 3.5 stars out of 143 votes
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Publisher's description

From O&O Software :

From the developer: "O&O Defrag V4 Professional Edition - The Desktop Defragmentation For Windows! The new Professional Edition for Windows workstations allows you to achieve and maintain the highest degree of performance with your Windows workstation. Used in conjunction with Windows NT, Windows 2000, or Windows XP it puts fragmented files together and maximizes your system speed with performance gains of up to 200%. Offering five different defragmentation strategies to fulfill a variety of end user needs the Professional Edition is the leader in Windows defragmentation software."

Faronics Anti-Executable Standard

Restrict user's ability to run or install any executable program.

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Security Starter Kit

Get the scoop on what you need to secure your PC.

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