O&O DiskStat 3 Product manual

O&O DiskStat 3 

O&O DiskStat is installed in connection with O&O Defrag. A separate installation is not possible.

Use the Trial Version

You can test O&O Defrag incl. O&O DiskStat with no restrictions for 30 days free of charge and obligation. When starting the program a registration assistant will appear each time displaying the remaining trial time. Should you have any questions, please contact our Support.


O&O DiskStat cannot be separately uninstalled but will be uninstalled together with O&O Defrag.

To uninstall both O&O Defrag and O&O DiskStat, please take the following steps:

  1. Open Control Panel from the start menu.
  2. Click on Programs and Features.
  3. Select your edition O&O Defrag Professional Edition, O&O Defag Workstation Edition or O&O Defrag Server Edition from the list.
  4. Click on Uninstall.
  5. The uninstall process from O&O Defrag will start.
  6. Confirm the uninstall. You may have to restart your PC.

Updates/Installing Updates of O&O DiskStat

O&O DiskStat automatically checks if a new version is available whenever it’s started.

If there is a new program version, you will be able to update your version.

Suggestion: You can find your license data and the exact version number you’re using by clicking Info in the Ribbon Bar at Help.

So-called Minor-Updates (Version 3.1 to 3.2, 3.0 to 3.5, etc.), where smaller changes in the program have been made, are free. Major updates, such as from version 3 to 4, must generally be purchased.