O&O Defrag Review

Have you recently noticed that your computer is lagging more and more? Does it feel like it is taking forever to open up a file or just get the computer started up? With disk defragmenter software like O&O Defrag, you can optimize your hard disc and help your computer operate much more quickly.

To help you decide if you want to give O&O Defrag a try, read through our reviews below. We'll cover a few basics about how the software works as well as some of the features associated with it.

O&O Defrag Review


When you save a document or photo to your computer, Windows saves it as many different fragments that are spread out all over your hard drive. This means, that when you go to open a file, your computer has to piece together all of these pieces of each file to put them back together for you. Especially as your computer gets older and you have more files stored on it, this process can take a while, making your computer run slow.

When you use a defragging software, such as O&O Defrag, all of these file fragments are pieced together to speed up the time it will take you to open a file. The frequency with which you defrag your computer should be dictated by the use your computer receives.

Methods of Defrag Offered by O&O

To help you best meet your defrag needs, O&O offers different options for you to choose from. The method that O&O defrag defaults to is "Optimize."

This option is designed to run relatively quickly, while also doing a thorough job at defragging your computer. When you use the Optimize method, the file segments on your computer get rearranged to free up disk space and speed-up your computer.

O&O Defrag Review

A second defragmentation method you can choose is "Optimize/Quick." As the name suggests, this method is designed to run quickly without using very much of your hard disk. When you choose this option, it works to move files to the correct zone and defrag the files found in each zone.

The "Optimize/Complete" option is designed to do a more thorough defragmentation of the files on your computer. However, since this option runs much more slowly than the other options, it is only recommended that you use it if you have installed a large program and need to rearrange your files.

If you have a solid state drive (SSD), O&O Defrag also offers two options for you to use. The first method is the "Solid/Quick." If you choose this option, the program will erase free space and compete a surface optimization of your machine. This is a faster option, so you may want to consider it if you don't have a lot of time to devote to defragging your computer.

With the "Solid/Complete" method, will reduce the number of memory cells devoted to your files. This will speed up your computer and improve its overall performance. You can use this method of defragging on both hard disk drives and solid state drives.

The option you choose for defragging your computer may be different from one time to the next. You can easily select your preferred method from the lower menu in the program.

O&O DiskCleaner

O&O Defrag Review

The O&O DiskCleaner will come built-in when you purchase O&O Defrag. The DiskCleaner is designed to increase the fragmentation that occurs by removing files that are not needed and temporary files. Since the DiskCleaner doesn't keep copies of your private information, such as email drafts or document copies, it will also work to keep your data more secure.

Reasons to Choose O&O Defrag

With O&O Defrag, you'll be able to set up defragmentation to occur automatically. You may choose to set a particular day or time for it to occur, or you may choose to have it run when your screensaver is up.

You won't need to worry about the defragmentation process interfering with the tasks you need to complete on your computer. It can be paused when you need to use your computer, and will pick up where it left off once you have finished.

Unlike many other defrag software options, O&O Defrag offers support for notebooks. It also can deliver automatic defragmentation with their OneButtonDefrag.

O&O Defrag also only requires that you have 5% free disk space in order to defrag your computer. Many other options require that you have more free space than this. If you need it, there is also a 64-bit version of O&O Defrag that is available for purchase.

O&O Defrag, as well as O&O's other software programs, are all thoroughly tested to ensure consistent quality. O&O has received a variety of awards recognizing the quality of the products they have to offer. Should you ever experience any issues or have questions about O&O Defrag, you will be able to receive a prompt and helpful response from their technical support team.

Your purchase of O&O Defrag will also be protected by a 30-day money-back guarantee. If you are not satisfied, contact the company to receive a refund.

Purchase Options

If you are ready to purchase O&O Defrag, there are three main options for you to choose from. The first option is the Professional Edition. When you choose this option, you will be purchasing the software for one PC.

The Professional Edition can deliver up to 100% increased performance for your computer. Your purchase will include the O&O DiskCleaner and automatic background defragmentation.

O&O Defrag Review

If you need to purchase software for multiple computers in your home, you will definitely want to choose the Professional Edition for five PCs. This package includes all of the features in the Professional Edition for one PC, but will allow you to install the software on up to five computers. Purchasing this option can save you more than 40% if you were to purchase five individuals Professional Edition plans.

O&O offers a variety of other programs in addition to the O&O Defrag. If you would like to try out some of the other things they have to offer, consider the O&O PowerPack option. With this option, you'll receive licenses for O&O Defrag, O&O DiskImage, O&O AutoBackup, and O&O SafeErase.

If you are looking for other features, such as central network management, remote installation, or comprehensive log functions, you can also consider spending a little more to purchase the Workstation version of O&O Defrag.


  • There are five different methods of defragmentation to choose from.
  • Defragmentation can be set up to run automatically.
  • If you need to use your computer, the defragmentation can be paused and resumed.
  • The DiskCleaner works to remove temporary files and files that are no longer necessary from your machine.
  • You will only need 5% free disk space to run O&O Defrag.
  • A 64-bit version of O&O Defrag is available.
  • You can purchase the Professional Edition for five PCs for less than it would cost to purchase two individual licenses.
  • A 30-day money-back guarantee is included with your purchase.


  • If there are two or more computers in your home, you can save a lot by purchasing the Professional Edition for five PCs.
  • You can choose from five different methods of defragmentation depending on your needs and time constraints.
  • O&O provides excellent customer service and a 30-day money back guarantee.


  • If you want to be able to install O&O Defrag remotely, you will need to pay more to purchase the Workstation version.

Final Verdict

Defragging your computer is important to keep it operating smoothly and ensure that your documents open quickly. O&O Defrag can help you keep your computer operating and responding like it did when it was new. Visit O&O's website today to pick the software version that is right for you.


Official Top 5 Review Team
Official Top 5 Review Team

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