Get Office 365 free for your entire school. Improve classroom and school collaboration with free productivity tools. You will need to verify that you are an accredited academic institution to take advantage of these offers. Office 365 A1 Completely free online version of Office with email, video conferencing, voicemail integration, customized hub for class teamwork with Microsoft Teams, compliance tools, and information protection. Office 365 A3 All the features in A1 plus full access to the Office desktop apps, and additional management and security tools. Office 365 A5 All the features in A3 plus Microsoft’s best-in-class intelligent security management, advanced compliance, and analytics systems.