for this version on September 10, 2021. Currently, new installations of the latest OneDrive app are blocked on High Sierra. Microsoft Community Hub
If you run Office 2019 for Mac (last version for High Sierra), autosave and co-authoring work without issues.
Web browsers on this OS are likely vulnerable to modern exploits.
Do not use third-party download blogs, as they may bundle malware with the installer. Instead, look for official Microsoft standalone standalone installer links ( .pkg files) preserved in Microsoft Community forums or archived support documentation. onedrive for macos 10.13.6
If you've already downgraded and find that OneDrive or Office 365 won't install, know that this is expected behavior.
: This is widely considered the last stable version that fully supports macOS 10.13.6. Installation Process : Uninstall any existing versions of OneDrive.
If you encounter any issues with OneDrive on your Mac, here are some common solutions: for this version on September 10, 2021
Starting in late 2021, Microsoft announced it would end support for the OneDrive desktop sync app on macOS Sierra 10.12 and High Sierra 10.13. The company stated it would focus its resources "on new technologies and supported operating systems". Following this change, Microsoft began blocking new installations of OneDrive on these older macOS versions.
Note: This method is best for manual file management rather than real-time syncing. 3. Security Considerations for 2026
2. Best Alternatives for Accessing OneDrive on macOS 10.13.6 Web browsers on this OS are likely vulnerable
Microsoft follows a policy of supporting only the of macOS. As of 2025/2026, macOS High Sierra is several generations behind the supported threshold. New Installations : Blocked on macOS 10.13.6.
Help you find that still get security updates for 10.13.6 Give you a step-by-step guide to installing Rclone Let me know how you'd like to proceed! Compatible version of one drive with OSX 10.13.6
Microsoft no longer hosts this version publicly. However, trusted third‑party archives like FileHippo or MacUpdate retain older builds. Alternatively, if you have a backup of an older Mac, copy the application from /Applications/OneDrive.app .