OneDrive macOS Native Sync Engine

OneDrive for macOS will adopt a new Native Sync Engine by late November 2026, enhancing sync speed, reliability, and resource efficiency. Synced SharePoint libraries appear separately in Finder. No admin action is required, but user notifications and documentation updates are recommended. What and why: We’re introducing a new Native Sync Engine for OneDrive on macOS. The redesigned engine integrates more closely with macOS to improve synchronization performance, reliability, responsiveness, and resource efficiency. This update modernizes the OneDrive sync experience on Mac devices by reducing resource consumption, improving reliability, and making synced content more accessible in Finder. Rollout schedule: General Availability (Worldwide, GCC, GCC-High, DoD): Rollout will begin in late August 2026 and is expected to complete by late November 2026. Impact on your organization: Who is affected: Organizations with eligible macOS devices using the OneDrive sync app. Platforms: OneDrive for macOS, SharePoint Online document library sync. Eligible macOS devices will automatically upgrade to the Native Sync Engine when they receive an updated version of the OneDrive sync app. Users can continue working in OneDrive while the upgrade completes. The Native Sync Engine provides the following improvements: Faster initial synchronization and processing of file changes. Reduced CPU, memory, and battery usage. Improved reliability through a simplified architecture that eliminates several classes of sync issues. Files and folders are immediately visible and browsable in Finder without waiting for folder contents to load. Improved support for storing OneDrive content on eligible external drives. There is no change to Files On-Demand behavior. Online-only files remain online-only until users open them or select Always Keep on This Device. Organizations that sync SharePoint document libraries will notice a change in Finder. Each synced SharePoint library will appear as a separate location in the Finder sidebar instead of being grouped under a single organization entry. Add shortcut to OneDrive remains the recommended method for accessing shared content. Action required / Recommendations: No administrative action is required. We recommend that administrators: Notify help desk teams and macOS users about the Finder sidebar change for synced SharePoint libraries. Review and update any internal documentation or training materials that reference […]

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