Cloud Sync Data

One Drive Mac Container This folder is the sandbox container for Microsoft OneDrive on Mac and can hold app data used for sign-in, settings, and sync-related state. ~/Library/Containers/com.microsoft.OneDrive-mac

I Application Support This iCloud Drive support folder can store CloudDocs session data and document version remnants, and it may grow large when sync or app versioning misbehaves. ~/Library/Application Support/CloudDocs/session/i

CloudKit User Caches Cache files used by CloudKit on macOS to speed up iCloud-related syncing and local access for apps that rely on CloudKit. CloudKit · ~/Library/Caches/CloudKit

Mobile Documents The ~/Library/Mobile Documents folder stores iCloud Drive and app document sync data used by macOS and many Apple apps. ~/Library/Mobile Documents

User Caches This folder stores temporary CloudKit cache data used by Apple’s cloud sync features to speed up syncing and local access. CloudKit · ~/Library/Caches/CloudKit