Outlook Calendar API (Microsoft Graph)

Outlook Calendar API through Microsoft Graph gives developers programmatic access to calendar data in Microsoft Outlook and Microsoft 365 reading and writing calendar events, managing meeting invitations, checking free/busy availability, and interacting with calendar resources like meeting rooms and equipment. For Nigerian enterprises, banks, and large organizations that have deployed Microsoft 365 as their productivity platform, the Outlook Calendar API enables building integrations between custom business applications and the calendar system their employees already use daily for scheduling and meeting management.