: The last version of OneDrive officially supported for macOS 10.13 was Version 21.203.1107.0004
Even if you successfully install the legacy OneDrive client, you are far from safe. The application will eventually fail for several reasons:
Requires macOS 14.4 or later. ... Requires macOS 14.4 or later. What is OneDrive for work or school? - Microsoft Support
Introduced in macOS 10.14+, High Sierra only gets a partial implementation. You can mark files as online-only, but the seamless “download on open” is less smooth than on Mojave or newer.
Microsoft acknowledges this incompatibility. In official community responses, they state that "new installations on unsupported operating systems will be blocked" and recommend using "OneDrive on the web as a workaround". For users with paid subscriptions, this is often an unsatisfying response.
Outdated applications do not receive security patches, exposing your system to potential vulnerabilities over time.
Show you (Mojave, Catalina, etc.)
This guide explores how to use OneDrive on macOS 10.13.6, the limitations you will face, and alternative strategies for accessing your files in 2026. 1. OneDrive Compatibility with High Sierra (10.13.6)
If you must use this computer for sensitive OneDrive data, ensure your web browser is updated to the absolute latest version possible, or use a separate, more secure machine for cloud storage management. 4. Final Recommendation: Upgrade or Replace
A free, command-line tool for advanced users to sync files. 🚀 How to Improve Your Experience Update Your Browser
When a notification prompt asks "Do you want to download the last compatible version?" , click .
For the most secure, stable, and fully-featured experience with OneDrive, Microsoft recommends that you upgrade your machine to . For the longest support lifecycle, they recommend macOS Big Sur (11.0) or newer .