The downside of all of this glory is loss of enterprise-grade configuration and control. 365 is a subscription service that also helps with keeping things current. Office 365 helps with licensing, and getting users the apps they want and need just-in-time, but it complicates installation when users don't have local admin access. Dell does not provide legal advice, and readers should consult with Microsoft licensing specialists. I guarantee nothing, but these statements are accurate as of the original date of this post. Disclaimer: Note that this information is subject to change by Microsoft and should be verified by the reader.