Microsoft Graph SDK + M365 Copilot API access. Use when the user needs to interact with Microsoft 365 services: (1) Email - read, send, search, organize messages, (2) Calendar - events, meetings, invitations, (3) Tasks - Microsoft To Do lists and tasks, (4) Files - OneDrive operations, (5) OneNote - notebooks, sections, pages, (6) Contacts - Outlook contacts, (7) Search - M365 content search, (8) Copilot Retrieval - search across SharePoint/OneDrive using Copilot API. Provides direct SDK access for ANY Graph API operation with full control over requests.