The new OneDrive sync client lets you connect and sync files from your OneDrive for Business. You can add a work or school account to the new OneDrive sync client and sync all your files to your computer.
Note: The new OneDrive sync client is supported on OS X version 10.9 and above. The new OneDrive sync client syncs only OneDrive for Business associated with Office 365 business accounts.
Get more details and information HERE.