The Host process for Setting Synchronization, known as SettingSyncHost.exe, is a Windows service that syncs user settings across devices for a cohesive experience.

These new Host Process Containers are designed to extend Windows support for Kubernetes, giving access to host server features, including devices, storage and networking.

The AI Host file AI.exe in Windows 11 is used to perform most local AI tasks For Microsoft Office desktop apps on Windows 11 computers. Full details here.