To do so, follow the instructions given to install O&O Defrag. Once the uninstallation is complete, install the new release. You can choose to keep previous settings so that the new version retrieves them. (The option Repair program is not available on older MSI). A screen appears where you can choose to modify, repair or remove the program. O&O Defrag’s uninstallation program is starting. Click on Add/Remove programs / Choose O&O Defrag Professional Edition or O&O Defrag Server Edition from the list of currently installed programs. Microsoft Software Installer 1.0: Open the control panel from the start menu ‘settings’. Previous settings will automatically be retrieved. Choose Repair program and click on Next. A screen comes up, in which you can choose to modify, repair or remove the program. Microsoft Software Installer 2.0 or higher: Start the setup of the new release. Updating to a new release of O&O Defrag can be done both quickly and simply.

Integrated support of Microsoft Active Directory Services and administration of secure communication through TCP/IP (Server Edition).

STEALTH Technology for optimal defragmentation of hard disks of all sizes.

O&O Defrag Network Management for integrated software distribution and administration on the network (Server Edition).

Effortless remote administration with O&O TrueRemoteControl (Server Edition).

Screen Saver Mode for efficient and convenient optimization.

100% file and data secure due to the usage of Microsoft Windows API.

Functionality with hard disks and partitions of all sizes.

Defragmentation requiring only 5% free disk space.

Complete Automation with O&O OneButtonDefrag.

You are invited to compare our software with competitive offerings to become a satisfied O&O Defrag user afterwards!Įxclusive features of O&O Defrag which distinguish it from other products include: This led to numerous positive reviews and editors’ choice awards for our software. Our software is enterprise tested and offers proven quality together with world-class technical support including on-site support. Our world-wide success in the field of defragmentation is based on our dedication to the enterprise user as well as the home/home office users, offering features of highest quality and grade of innovation with a focus on 100% technological reliability.

O&o defrag review