An organization's administrative point of contact, responsible for assigning staff time to the Office 365 transition. Communicates with the Office 365 Team and their organization's leadership.

Exchange Autodiscover is a web service that helps Microsoft Exchange administrators configure user profile settings for clients running Outlook Enterprise/Subscription/2019/2016. It allows users to easily configure their email client knowing only their email address and password.

Services made available to users on demand via the Internet from a cloud computing provider's servers as opposed to being provided from a company's own on-premises servers. Cloud services are designed to provide easy, scalable access to applications, resources and services, and are fully managed by a cloud services provider.

Exchange ActiveSync (also known as EAS) is a communications protocol designed for the synchronization of email, contacts, calendar, tasks, and notes from a messaging server to a smartphone or other mobile devices. The protocol also provides mobile device management and policy controls.

OneDrive for Business is Office 365's file hosting service. It allows users to upload and sync files to a cloud storage and then access them from a web browser or their local device.