This document provides an overview of a 2-day training course on administering Office 365. Day 1 covers Office 365 fundamentals and administering Exchange Online. Topics include Office 365 overview, user management, directory synchronization, and basic Exchange Online management. Day 2 focuses on administering SharePoint Online and Lync Online. Exchange Online sessions include deployment, migration, archiving, compliance functions like retention policies, holds, and eDiscovery.