Library staff require essential software to operate, including email, document storage, intranet(s), document and user collaboration, and more. Microsoft 365 is a cloud-based platform that provides productivity and collaboration tools including email using Exchange, SharePoint, OneDrive, Teams and the Microsoft Office Suite of Word, Excel, PowerPoint and Access. Microsoft 365 Defender is a unified pre- and post-breach enterprise defense suite that natively coordinates detection, prevention, investigation, and response across endpoints, identities, email, and applications to provide integrated protection against sophisticated attacks.