This document provides an overview and instructions for using Outlook Web Access (OWA) to access email, contacts, and calendars. It covers how to log in to OWA, navigate mailboxes, organize emails, search, set up signatures and automatic replies, block senders, and view calendars. It also compares OWA to using the Outlook desktop client, noting that Outlook offers more features but OWA allows access from any device with a web browser.