Is your Mac , or are you keeping High Sierra for specific software ?
The most reliable way to access files on macOS 10.13.6 is through a browser. Open , Chrome , or Firefox . Go to live.com. Pros: Full access to all files; no installation needed.
Look for the rather than the App Store version. onedrive for macos 10.13.6
No automatic background syncing; must manual upload/download. 2. Locate a Legacy "Standalone" Installer
A free, command-line tool for advanced users to sync files. 🚀 How to Improve Your Experience Update Your Browser Is your Mac , or are you keeping
Even if it installs, it may prompt a "Required Update" and block usage. 3. Third-Party Sync Clients
OneDrive support for macOS 10.13.6 (High Sierra) ended in 2021. This makes it difficult for users on older hardware to sync files. However, there are still ways to access your data and manage your cloud storage. Go to live
Since you are likely relying on the web version, ensure you are using the latest possible version of or Firefox for High Sierra. Safari 13 (the max for 10.13.6) may struggle to render newer web features. Consider an OS Patch (Advanced)
If you need folders to sync automatically to your Finder, third-party tools are your best bet. Mounts OneDrive as a local disk. ExpanDrive: Acts like a USB drive for cloud storage.