O&O Defrag Professional (32-bit) 15.8.801

3.6 out of 5 stars 3.6 (185 votes)

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Windows 7/Vista/XP / Shareware; $49.95 / 30,352 downloads

O&O Defrag puts fragmented files together and maximizes your network's speed. Defragmentation of large networks becomes easier than ever before: centralized client installation with drag & drop, execution, and scheduling of defragmentation jobs for single computers or free definable groups and much more.

Professional Edition unlocks the hidden Performance of your computer. This software will optimize your hard disk securely repacking fragmented files together for more efficiency. In addition, it boasts outstanding usability and a myriad of important functions not found in any other defragmentation software platforms on the market today.

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Reviews of O&O Defrag Professional (32-bit)

  1. 3 out of 5 stars
    Input Overload

    Reviewing 14.5.543 (Jul 6, 2011)

    Slow compared with Perfect Disc 12. A lot slower.

  2. 5 out of 5 stars
    poisonu

    Reviewing 12.5.351 (Jul 14, 2010)

    My favourite of the 3 I have (O&O Defrag Pro, Diskeeper Pro, & PerfectDisk).

    Regards,
    Roberta

  3. 5 out of 5 stars
    jafo818

    Reviewing 11.6.4199 (Sep 10, 2009)

    The best defrag app there is. Always has been. I've been using O&O Defrag since version 1.0 (Build 21) back in 1998. I've owned every version since.

    Today I'm running O&O Defrag 12, the most powerful version yet.

    Long live O&O Defrag!

  4. 5 out of 5 stars
    RWW

    Reviewing 11.5.4101 (Apr 21, 2009)

    There are none better!

  5. 5 out of 5 stars
    Landsnes

    Reviewing 11.5.4065 (Apr 18, 2009)

    The best defragmentation application I've used!

    I've used this application for a few years now, while checking out other defrag apps at the same time, but none of them works as good as this one. I've tried PerfectDisk, Iobit Smart Defrag and Auslogics Disk Defrag, but the performance gain is always higher with O&O Defrag Pro. Quality German programming. (To any paranoid fileforum users: no I'm not affiliated at all to the O&O software company, nor am I paid by O&O to give this review.)

    Well done, developers. full score!

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