OneNote Reference Architecture Overview OneNote notebooks live in three completely different storage backends — personal OneDrive, SharePoint team sites, and Microsoft 365 Groups — each with its own Graph API path, permission model, and behavioral quirks. Building an integration that "just works with OneNote" means handling all three locations, because users do not know (or care) where their notebook is stored. The API path only returns personal notebooks; SharePoint and Group notebooks require different endpoints entirely. This skill maps the full architecture: storage locations, API paths,…