This document discusses document management in Office 365. It provides an overview of where documents are stored in Office 365, including personal documents, records/archives, internal/external sites. It then discusses using SharePoint as a document management system (DMS), highlighting its features like classification, permissions, workflows. It notes attention points for SharePoint DMS like treating documents as files with properties, file name rules. The document also covers archiving, permissions, storage and concludes with notes on using SharePoint as a DMS and limits to consider.