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

OmniOutliner for Mac

OmniOutliner 5.8.4

  -  40.67 MB  -  Trial

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 5.8.4.


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 5.8.4 Screenshots

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    OmniOutliner 5.8.4 Screenshot 1
  • OmniOutliner 5.8.4 Screenshot 2
  • OmniOutliner 5.8.4 Screenshot 3

What's new in this version:

- Omni Automation [PRO] — Omni Automation improvements. For more detail, see the API Reference Release Notes
- OPML — Removed View menu options to hide columns in OPML mode as it is not supported by the format
- Exports [PRO] — Fixed a bug with exporting to xlsx format when notes are set to span the width of the document
- General — The scroll position is correctly set when documents are opened
- AppleScript [PRO] — Addressed a permission error that could occur on macOS Big Sur the first time “Open Scripts Folder” is selected in the Help menu
- Omni Automation [PRO] — Scripts added to the toolbar are correctly validated