Office Add-ins
Make your solution a native part of Office on every platform.
Choose a product below to learn more about add-ins.
Microsoft Graph
Connect to Office 365 data using the Microsoft Graph.
Get access to Users, Groups, Mail, Calendars, Contacts, Files, Tasks, People, Notes and more — all from a single endpoint.
See all Microsoft Graph documentation
Or, see the individual Office 365 REST API endpoints for OneDrive, Outlook and more
Office 365 Connectors
Use Office 365 Connectors to get useful information and content into your Office 365 Group.
Developer documentation for other Office products
Office Clients
Outlook.com
OneNote
SharePoint
OneDrive
Yammer