Not sure on box, I can tell you for OneDrive and Google Drive, if you have multiple people working against a shared directory - good luck. Their ability to syn

Not sure on box, I can tell you for OneDrive and Google Drive, if you have multiple people working against a shared directory - good luck. Their ability to sync with multiple clients hitting the same data is HORRENDOUS. We've got what amounts to FREE Onedrive as part of our ELA and the company still forks over for Dropbox because the shared user experience is lightyears ahead.