Microsoft Exchange Online delivers secure, business-class email, calendar, and contacts that work across Outlook for Windows and Mac, Outlook on the web, and mobile apps. The alumni plan based on Exchange Online (Plan 1) provides mailbox access with reliable Microsoft cloud infrastructure, enterprise-grade security, anti-malware and anti-spam protection, and easy self-service management. Users benefit from focused inbox, shared calendars, and global address lists to stay connected after graduation, while institutions maintain centralized administration and compliance controls, including basic email archiving and retention policies. Access mailboxes anywhere with modern authentication and data encryption at rest and in transit. Seamless integration with Microsoft 365 enables consistent user experience and simplified lifecycle management for alumni communities.