Official support for the OneDrive sync app on macOS 10.13.6 (High Sierra) September 10, 2021 . While the latest versions of OneDrive require macOS 13.0 or newer
: Sometimes deleting cached credentials can fix login loops. Open Keychain Access onedrive for macos 10.13.6
Problem: The embedded WebView for authentication is outdated. Microsoft is pushing OAuth 2.0 with newer security tokens that High Sierra’s Safari engine cannot process. Solution: Official support for the OneDrive sync app on macOS 10
However, "end of support" does not mean "stop working instantly." The last compatible version of OneDrive for macOS High Sierra is OneDrive build 23.169.0823. This version continues to function for basic file sync, but with severe caveats. Microsoft is pushing OAuth 2
Legacy App Version: Some users have successfully used older "Deferred ring" versions, such as 21.203.1107.0004, which was the last version to support High Sierra. You may find these via third-party repositories like FileHorse.
Microsoft does not publicly link legacy installers. The last working version can be retrieved via: