: High Sierra uses an older implementation of Apple's file system. You may experience sync hangs or "error -50" when trying to download files that are marked as online-only.
OneDrive on macOS 10.13.6 is suitable for light cloud storage access on legacy hardware (e.g., 2012–2017 Macs) where upgrading the OS is impossible due to hardware or software constraints. However, for daily professional use or environments requiring security compliance, upgrading both macOS and OneDrive is strongly advised.
You cannot use the latest OneDrive build, and the older build may have its sync functionality restricted or blocked entirely.
The era of using the OneDrive desktop sync app on While a risky workaround involving a legacy client exists, it is a temporary, insecure, and unsupported hack that will inevitably break. onedrive for macos 10.13.6
When searching for legacy OneDrive installers from third-party websites, exercise extreme caution. Unofficial downloads may contain malware, spyware, or other security threats. Always verify the source and consider using antivirus software before installation.
The legacy client uses an embedded web view for authentication. If you have Microsoft 365 with Multi-Factor Authentication (MFA):
: Open your preferred web browser and log in directly through the Microsoft OneDrive Web Portal. : High Sierra uses an older implementation of
: You can upload, download, reorganize, and delete files exactly like standard file management.
: The most reliable way to stay connected without upgrading your Mac is to use OneDrive for Web . While it doesn't sync automatically to your Finder, it allows you to upload and download files through any modern browser. The Future Horizon
You can mount your OneDrive as a network drive in the Finder. Open Finder. Select . Use Rclone (Best for Power Users)
using the last compatible build (23.169.0823). For basic file sync in a home environment, it remains usable in mid‑2026. However, you are operating on borrowed time.
Search for "OneDrive 20.114.0607.0002 pkg download" (ensure you download from reputable sources).
Using outdated software creates significant security vulnerabilities Microsoft Security Support.
If you had OneDrive working previously on High Sierra:
Sign in and use the browser interface to upload, download, and manage files. B. Use Rclone (Best for Power Users)