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OmniOutliner Offline Installer

Office & Productivity · v5.5.2 · Paid

Powerful outlining tool for structured information management

4.3/5
2M+ downloads
Size: 45 MB
Updated: Apr 28, 2026

Official source from The Omni Group — installer flow and package type are controlled by the vendor

Alternate mirror sources (if official is unavailable)

Download directly from the official site using the button above. We link only to official sources — no third-party mirrors.

Download Summary

Source

The Omni Group official download page

Platforms

macOS

Current listing

v5.5.2 · 45 MB

OmniOutliner Overview

OmniOutliner offline installer provides a comprehensive outlining solution developed by The Omni Group. The latest version, 5.5.2, enhances productivity through structured document creation. Users can create detailed outlines, manage tasks, and organize information efficiently. This software is particularly popular among professionals who require a sophisticated tool for project management and note-taking. With its intuitive interface and advanced features, OmniOutliner has become a staple for many in the productivity space. Key features include the ability to create rich text outlines, support for various file formats such as OPML and CSV, and advanced styling options. The software supports AppleScript for automation, enabling users to streamline repetitive tasks. OmniOutliner also includes a powerful search function, allowing users to find specific content quickly within large documents. The latest version introduces enhanced export options, making it easier to share outlines in different formats, including PDF and HTML. The OmniOutliner offline installer is particularly beneficial for IT administrators and educational institutions. This standalone installer enables deployment on air-gapped machines, ensuring that installations can occur without internet access. Schools can utilize USB drives to distribute the full setup to multiple devices, simplifying the installation process. For enterprises, the standalone setup facilitates easier management of software across various locations, ensuring compliance with licensing requirements. This approach is ideal for environments where internet access is limited or restricted, allowing for efficient software distribution. System requirements for OmniOutliner include macOS 11.0 or later, a minimum of 4 GB RAM, and 200 MB of free disk space. Users should ensure their processor meets the specifications, with an Intel Core i5 or Apple Silicon recommended for optimal performance. Installation is straightforward; simply download the installer, drag the application to the Applications folder, and launch. For silent or network deployment, administrators can utilize command-line options to streamline the installation process across multiple machines, ensuring a smooth rollout in organizational settings.

OmniOutliner runs on macOS and is commonly used for documents, spreadsheets, note-taking, and office work. Key capabilities include rich text outlining capabilities with version 5.5.2, supports opml and csv file formats for easy import/export, advanced styling options for customized document appearance.

The OmniOutliner offline installer is a standalone setup file that bundles the full installation package into a single executable — no internet connection required at any point during installation. Unlike a web-based stub installer that requires an active download, this standalone installer works completely without internet — download it once and run it anywhere. The full setup is especially useful for schools, IT departments, and enterprise environments that manage air-gapped networks or restricted connections. Save the standalone setup to a USB drive or internal network share and deploy OmniOutliner to multiple workstations without re-downloading. The Omni Group publishes the download page directly, so the file you get matches what the vendor officially releases.

Download Notes

Use the buttons above to open the official download source for OmniOutliner. Before installing, check the package type, supported operating systems, and any release notes the vendor provides.

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Official source

The primary button points to the official download page from The Omni Group.

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Package type

This listing opens the vendor's download page, where the final installer or build is chosen by the publisher.

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Platform coverage

OmniOutliner is listed for macOS. Check the OS-specific buttons for the best available source.

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Release details

Version v5.5.2 and the current file size are shown on this page so you can confirm you are downloading the expected build.

OmniOutliner Key Features

  • Rich text outlining capabilities with version 5.5.2
  • Supports OPML and CSV file formats for easy import/export
  • Advanced styling options for customized document appearance
  • AppleScript support for task automation
  • Powerful search functionality for quick content retrieval
  • Enhanced export options to PDF and HTML formats

How to Download and Install OmniOutliner

Follow these steps to get OmniOutliner from the official source and complete the setup on your device:

  1. 1
    Open the official download source

    Use the download button above to open the official download page for OmniOutliner v5.5.2 from The Omni Group.

  2. 2
    Choose the right build for your platform

    Select the installer or package that matches your operating system and architecture. This page lists support for macOS.

  3. 3
    Run the installer or package

    Launch the downloaded file and follow the vendor's setup prompts. Some vendors provide a full installer, while others use a lightweight downloader.

  4. 4
    Confirm the installed version

    After setup, open OmniOutliner and confirm the version, license tier, and any first-run settings or updates offered by the vendor.

OmniOutliner — All Versions & Downloads

Platform availability and download links for each release.

🍎 macOS .dmg / .pkg
Version Released 🍎 macOS What Changed
v5.5.2 LATEST Apr 28, 2026 ⬇ .dmg Current stable release

ℹ️ Older version links redirect to the official download page — the developer controls which previous versions remain available.

OmniOutliner System Requirements

Baseline requirements to run the current OmniOutliner release:

Operating System
macOS 11.0 or later
Memory (RAM)
4 GB RAM minimum
Disk Space
200 MB free disk space
Processor
Intel Core i5 or Apple Silicon

OmniOutliner Download FAQ

What unique features does OmniOutliner offer for project management?
OmniOutliner provides advanced outlining capabilities, allowing users to create detailed project plans with rich text formatting. The software supports task management features, including checklists and due dates, making it suitable for both personal and professional use.
Can OmniOutliner handle large documents efficiently?
Yes, OmniOutliner is designed to manage large outlines effectively. The powerful search functionality allows users to quickly locate specific items within extensive documents, ensuring that even complex projects remain organized and accessible.
What is the OmniOutliner offline installer?
The OmniOutliner offline installer is a full standalone setup file — sometimes called a standalone installer or full setup package — that installs the software completely without an internet connection. Once you have downloaded the setup file, you can run it on any compatible machine, including air-gapped PCs, school labs, and enterprise workstations, without needing to re-download files during installation.
How is the OmniOutliner offline installer different from the web installer?
A web installer (also called an online installer or stub installer) downloads the actual program files from the internet during installation, so it fails if your connection drops. The OmniOutliner standalone offline installer bundles the full setup inside a single executable — you download it once, save it to a USB drive or network share, and install it anywhere, even without internet access.
Can I use the OmniOutliner offline setup on multiple computers?
Yes — that is one of the main advantages of a standalone full setup file. Copy the installer to a USB drive or shared network folder and run it on as many machines as needed without an internet connection. Check the license terms from The Omni Group for any per-seat restrictions before deploying to multiple workstations.
Which platforms does OmniOutliner support?
OmniOutliner is available for macOS. The platform badges and download buttons on this page reflect the operating systems listed in the current catalog entry.
Is this an official OmniOutliner download?
Yes. This page links to the official download page for OmniOutliner from The Omni Group. The button on this page opens the official download page from The Omni Group, where the vendor controls the final installer or package selection. We do not host modified installers or third-party repacks.

Download Details

Software
OmniOutliner
Version
v5.5.2
Developer
The Omni Group
License
Paid
Installer Type
Official download page
File Size
45 MB
Last Updated
2026-04-28T09:37:44.637Z
Platforms
macOS
Go to Official Download

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