If it's uninstalled,your OneDrive folder will stop syncing, but any files or data you have in OneDrive will still beavailable when you sign in at. Likewise, will uninstalling OneDrive delete my files? It is actually built into Windows 10, so it doesnot really remove it, it disables it and hidesit.
To remove OneDrive Stop the sync service by unlinking itin the app's settings, then uninstall OneDrive like anyother app.
