This folder is kept in sync with OneDrive. When you install the Microsoft OneDrive sync app for Mac, a copy of your OneDrive is downloaded to your Mac and put in the OneDrive folder. OneDrive for Business SharePoint Server Subscription Edition SharePoint Server 2019 SharePoint in Microsoft 365 Microsoft 365 admin Office 365 operated by 21Vianet Office 365 operated by 21Vianet - Admin OneDrive (work or school) Office for business OneDrive (work or school) operated by 21Vianet OneDrive for Mac SharePoint admin center SharePoint in Microsoft 365 Small Business SharePoint operated by 21Vianet More.