OneDrive
Microsoft OneDrive is a cloud storage and file sync app for macOS that keeps files available across devices and integrates with Finder.
What is OneDrive?
Microsoft OneDrive is Microsoft's cloud storage and file synchronization app for macOS. It lets users keep files in sync between a Mac, the OneDrive web service, and other signed-in devices, including personal and work or school accounts. On Mac, it integrates with Finder so files can appear locally, stay online-only with Files On-Demand, and show sync status directly in the file system. Users commonly encounter it as part of Microsoft 365, when setting up document backup, or when an employer or school uses Microsoft services for file sharing and collaboration. The app can also help back up common folders and supports selective folder syncing so only chosen content is stored locally. Because it handles cloud sync, account sign-in, and local file availability, it may run in the background and place a menu bar icon and login item on the system.
Key features
- Syncs files and folders between macOS and OneDrive cloud storage
- Supports personal Microsoft accounts and work or school accounts
- Integrates with Finder to show sync status and local file availability
- Offers Files On-Demand to save disk space with online-only files
- Lets users choose which OneDrive folders sync to the Mac
- Can back up common user folders to cloud storage
- Provides offline access to files that are kept locally
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Safety overview
Status: Safe
This is a legitimate Microsoft application. It is generally safe to keep installed if you use OneDrive, but it can access, sync, move, and delete files within folders connected to your OneDrive account, so account choice and sync settings matter.
Recommendation: Keep it if you use OneDrive, Microsoft 365, or an organization-managed Microsoft account. If you do not use OneDrive on this Mac, it is usually optional and can be removed after confirming no important folders are actively syncing.
Common paths
/Applications/OneDrive.app~/OneDrive~/OneDrive - Personal
Cache paths
~/Library/Caches/com.microsoft.OneDrive
Support paths
~/Library/Application Support/OneDrive
Preference paths
~/Library/Preferences/com.microsoft.OneDrive.plist
Container paths
~/Library/Group Containers/UBF8T346G9.OneDriveStandaloneSuite
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