WD Sync Service
WD Sync Service is a background launchAgent component that runs as part of Western Digital's storage and backup software ecosystem. It manages synchronisation, file monitoring, and cloud-backup integration for WD-branded external drives, NAS devices, and cloud storage services. The service runs invisibly in the background and coordinates between the WD host application, the storage device, and WD's cloud infrastructure.
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1 suggestionWD Sync Service is a launchAgent helper — a background component that cannot be updated separately. It is bundled as part of the WD desktop application (typically WD Drive Utility, WD SmartWare, WD Sync, or another WD storage/backup product, depending on which WD service you have installed). To ensure this helper is running a native Apple Silicon build, you need to update the parent WD application to its latest version. Visit the Western Digital support site or use your WD product's built-in auto-update feature to check for and install the latest version. If the host WD application is a legacy or discontinued product that no longer receives updates from Western Digital, the helper will not be updated to a native build and will stop working entirely when Apple removes Rosetta 2 in macOS 28 (September 2028). Contact WD support or visit their site to confirm whether your specific WD product is still actively maintained.
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