You can use to verify the startup disk and the structure of its system files

OnyX for Mac

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OnyX 2.9.4

  -  25.28 MB  -  Freeware
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of OnyX 2.9.4.


For those interested in downloading the most recent release of OnyX for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download OnyX 2.9.4

  • OnyX 2.9.4 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    OnyX 2.9.4 Screenshot 1
  • OnyX 2.9.4 Screenshot 2
  • OnyX 2.9.4 Screenshot 3
  • OnyX 2.9.4 Screenshot 4

What's new in this version:

- Checking SMART Status removed (too many problems)
- Checking Preferences files removed (useless)
- Deleting the Verifying pane
- Structure of volume tab moved in the Maintenance pane
- Uninstallation improved
- Help updated

Note: Before installing this version, it's better to uninstall the old version from the OnyX Help menu, and to restart your Mac.

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