The KMS key will enable you to activate all Office 2016 client products (Office Professional.
Implementation of multi-factor authentication (MFA) with Office 365 applications - including email - when off-campus will begin mid-2020. Only the name has changed there are no changes to the applications. Note: Microsoft does things differently with Office 365 subscriptions acquired via all volume licensing plans (with the exception of Microsoft Open). The subscription can be renewed by the global or billing administrator during this 30-day span.