Welcome to OmniOutliner 6!

Introducing OmniOutliner 6 for Mac, iPad, iPhone, and Apple Vision Pro. Ready for the latest operating systems, OmniOutliner 6 features beautiful Liquid Glass design elements, smart Dynamic Themes, robust Omni Links, integration with Apple Intelligence, and more. With new universal licensing and improved feature parity across platforms, your outlines are always available on the device you have at hand.

OmniOutliner 6 requires macOS 15 Sequoia, iPadOS 26, iOS 26, or visionOS 26.

Backwards Compatibility: OmniOutliner 6 can be installed and run alongside previous versions of OmniOutliner for Mac, iPad, and iPhone. Outlines created in OmniOutliner 6 can be opened and edited by previous versions of OmniOutliner. New features such as Dynamic Theme style customization and enhanced filter rules will be discarded by previous versions of OmniOutliner.

OmniOutliner 6.0 for All Platforms

All Platforms

• Universal Purchase — A single purchase of OmniOutliner 6 unlocks access to OmniOutliner across all of your supported Apple devices.
• Design Refresh — OmniOutliner has been visually refreshed, adopting beautiful Liquid Glass design elements and a modernized look and feel when run on macOS Tahoe 26, iOS 26, or iPadOS 26. With updated iconography throughout the application and a new app icon that adapts to clear and tinted on supported devices, OmniOutliner 6 feels right at home on the latest Apple operating systems.
• Dynamic Themes — Theme colors can now automatically update when Dark Mode is turned on or off. Override the automatic color conversion when desired, to create your own light or dark appearance.
• Template Picker — New cross-platform Template Picker supports creating documents with Dynamic Themes, as well as documents with a light or dark appearance.
• Omni Links — Create links to documents, or specific content within a document, which can be shared with other users. Omni Links work on any device running OmniOutliner 6.
• Attachment Enhancements — Image attachments can now be resized to better fit your content. Additionally, attachment support, previously a Pro-only feature, is now available in the Essentials edition of OmniOutliner.
• Saved Filters — Saved filters now support nested AND/OR/NOT rules, an expanded set of date-based rules, and rule comments.
• Paste — New “Pasting from other apps” setting offers options for pasting styled text. Dedicated menu items are now available for “Paste and Merge Styles,” “Paste and Match Style,” and “Paste with Original Style” behaviors.
• Omni Automation — On devices running macOS Tahoe 26, iOS 26, iPadOS 26, or visionOS 26 with hardware support for Apple Intelligence, OmniOutliner plug-ins can now consult Apple’s on-device Foundation Models. Omni Automation APIs have also been updated with support for automating Omni Link functionality, and a variety of smaller enhancements and bug fixes.
• Essentials Mode — Pro customers who want to test the Essentials experience can now disable Pro features in the License window.

Mac

In addition to the cross-platform features listed above, OmniOutliner 6 for Mac includes the following refinements:

• Multiple Windows — Open multiple windows for the same document to view different parts of your file at the same time.
• Spotlight — OmniOutliner Shortcuts actions can be run directly from Spotlight on macOS Tahoe 26.
• Hide-able Status Bar — The Status Bar can be turned off to get an even more distraction free experience.
• Saved Filters — Saved Filters can now be duplicated.
• RTF Export — Improved RTF export to better match the source content.

OmniOutliner 5.15 improves compatibility with newer versions of macOS.

• Compatibility — Improved compatibility with newer versions of macOS.
• Stability — Fixed a crash that could occur when changing the column type.
• Keyboard Shortcuts — Fixed a bug where the wrong shortcut set could load at launch.

• Keyboard Shortcuts — Switching shortcut sets does not create a duplicate set.
• Keyboard Shortcuts — Custom shortcut sets can be deleted.
• Keyboard Shortcuts — Resetting a shortcut restores any modifier keys used.
• Ungrouping — Immediately re-sort rows when ungrouping happens due to deleting rows.
• Inspectors — Fixed the missing visual elements from the Underline and Strikethrough drop-down menus.
• Menus — Enabled the Format > Row Numbering menu options when modifying Document Styles.

• Paste Style — Fixed Paste Style failing on whole rows.
• Menus — View > Columns menu shows all existing columns in the document.
• Menus — Expand Row and Collapse Row menu options are available when editing a row.

• Writing Tools — Prevent row replacement when using writing tools as it does not support multiple columns and would instead merge all columns and notes into a single cell.
• Documentation — Clarified information about how the macOS Appearance setting affects the app windows.
• Stability — Fixed crashing on launch on new versions of macOS when Apple Intelligence is enabled.
• File Icons — Added missing file icon for OmniOutliner Omni Automation Plug-Ins.
• File Icons — Added missing file icon for OmniOutliner keyboard shortcut files.
• Stability — Fixed a crash when trying to run an Omni Automation script called by AppleScript with the evaluate javascript command.
• Quick Look — Quick Look preview extension is now compatible with macOS Sequoia.
• Scrolling — Fixed unintentional scrolling when the mouse cursor hovers near the outer edge of the window while editing a row.