The document describes Microsoft's Office 365 hosted services for businesses. It provides an overview of the email, file sharing, online meetings, and productivity software capabilities available in different Office 365 plans. Key features include business class email through Exchange Online, file sharing with SharePoint Online, online meetings and video conferencing with Lync Online, and access to Office applications. The document also highlights the security, support and management benefits of Office 365, such as 99.9% uptime, data protection, compliance certifications, and 24/7 support.