OmniOutliner for Mac

Used OmniOutliner for Mac?

OmniOutliner Analysis

AI Assisted Content · June 11, 2026

Not written by CNET Staff.

OmniOutliner is a robust project management application designed for Mac users, offering a structured approach to organizing thoughts, tasks, and projects. The software allows users to create detailed outlines, making it easier to visualize complex projects and break them down into manageable components. Key features include customizable templates, various formatting options, and the ability to add notes, images, and links, enhancing the overall functionality of the outlines.

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Trial version

The application supports collaboration through shared files and integration with other productivity tools, facilitating teamwork and communication. Users can also utilize advanced features such as the ability to create hierarchical structures, apply styles, and export outlines in multiple formats. With its user-friendly interface and comprehensive capabilities, OmniOutliner serves as a valuable tool for individuals and teams looking to improve their project management processes.

OmniOutliner for Mac

Used OmniOutliner for Mac?

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Full Specifications

GENERAL

Release: August 7, 2020

Latest update: June 11, 2026

Version: 5.7.1

OPERATING SYSTEMS

Platform: Mac

Operating System: Mac OS X

Additional Requirements

macOS Catalina
macOS Mojave
macOS High Sierra
macOS Sierra
OS X El Capitan

POPULARITY

Total Downloads: 16,923

Downloads Last Week: 0

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Last Updated

User Reviews

4.3/5

98 User Votes

Once ahead of the pack. Now behind.
M29231March 17, 2014
Pros
The Omni Group developed several winning apps: OmniGraffle, OmniFocus. And at one time, OmniOutliner was ahead of the competition with its simple interface and elegant features. It still is ahead of its main rivals in that it does columns and syncs with iPad and iPhone. I sometimes do an outline on my desktop and tden read from it on my tablet. So, these aren't to be sneezed at, I suppose.
Cons
With the exceptions of the hybrid column/outline interface, and syncing, Curio does everything else 10 times better and adds more thoughtful features.
Summary
works great
A R Chernoff--2008April 18, 2012
Pros
does what it needs to do, simple and effective
Cons
none I couldn't live without
Summary
keep up great programs
Great outliner with attachments, subtotals, formatting
AWolfe_IIJuly 7, 2011
Pros
toss anything into the outline, you're good! any number of columns with labels and data types aggregation functions track running subtotals "drill-in" or "focus" like omnifocus works almost like a spreadsheet extensive control of outline formatting
Cons
for a task manager, you may want OmniFocus instead no easy way to pivot or regroup on alternate columns default styles not the prettiest may trick user into distorting non-tree data into an outline structure
Summary
OmniOutliner is a terrific tool. I have used it for years. The ability to drag, drop, cut, paste anything is great. It often feels like a spreadsheet with really useful grouping. Very useful for exploring task breakdowns with rollups whoa, nice ability to format!
Not interested
rsnapeJune 12, 2010
Pros
Not interested
Cons
Not interested
Summary
Not cheap, but worth the price
bwapinMarch 15, 2005
Pros
Cons
Summary
This review was originally posted on VersionTracker.com.<br />OmniOutliner, at $40, isn't cheap. But it's well worth the investment - it's a great companion to a word processor, and I use it for all sorts of lists. I've never found another tool like it, so it was a no-brainer to pony up.
Yes, I agree . . .
jeffnailen--2008December 7, 2004
Pros
Cons
Summary
This review was originally posted on VersionTracker.com.<br />OmniOutliner's columns provide an additional dimension the notebook apps lackÃ¢??the resulting matrices provide a way of organizing & displaying information an order of magnitude superior to those that lack columns or tables. Still waiting for integration with OmniGraffle tho.
Amazing!
bobbyquineDecember 4, 2004
Pros
Cons
Summary
This review was originally posted on VersionTracker.com.<br />The people at Omni really deserve every star there is. This new version of OmniOutliner reeks of quality and beauty. Another work of art (just look at OmniWeb if you don't know what I mean!)
Whoa
StimpsonDecember 4, 2004
Pros
Cons
Summary
This review was originally posted on VersionTracker.com.<br />Omni Outliner was a simple nifty little tool. Now with ability to attach files and multiple way to organise your notes, it's awsome. Created by those guys who realy understand the Mac. Way to go OmniGroup!
Whoa
StimpsonDecember 4, 2004
Pros
Cons
Summary
This review was originally posted on VersionTracker.com.<br />Omni Outliner was a simple nifty little tool. Now with ability to attach files and multiple way to organise your notes, it's awsome. Created by those guys who realy understand the Mac. Way to go OmniGroup!
Outstanding
s8m2sDecember 4, 2004
Pros
Cons
Summary
This review was originally posted on VersionTracker.com.<br />Wow what a huge improvement to a great app. I'm going to wait for OmniOutliner 3 Pro though. It will cost more but I'm a deluxe kind of guy. Hope they release it soon.

Developer’s Description

By The Omni Group

Outline and organize thoughts, tasks, and projects.