Organize your ideas and projects for Mac in a simple and efficient manner!

OmniOutliner for Mac

OmniOutliner 5.8.5

  -  40.7 MB  -  Trial
  • Latest Version

    OmniOutliner 5.14

  • Operating System

    macOS 10.14 Mojave or later

  • User Rating

    Click to vote
  • Author / Product

    The Omni Group / External Link

  • Filename

    OmniOutliner-5.8.5.dmg

  • MD5 Checksum

    ffed155ba43a92d19d334e3bbcea1d31

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 OmniOutliner 5.8.5.


For those interested in downloading the most recent release of OmniOutliner 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!

  • OmniOutliner 5.8.5 Screenshots

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

    OmniOutliner 5.8.5 Screenshot 1
  • OmniOutliner 5.8.5 Screenshot 2
  • OmniOutliner 5.8.5 Screenshot 3

What's new in this version:

- General — Improved app launch time on macOS Big Sur
- Spotlight — Fixed a Spotlight crash with OmniOutliner’s metadata plugin