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Summary: See these articles for the Internet endpoints of the different Office 365 clouds.
Endpoints are the set of destination IP addresses, DNS domain names, and URLs for Office 365 traffic on the Internet.
To optimize performance to Office 365 cloud-based services, these endpoints need special handling by your client browsers and the devices in your edge network. These devices include firewalls, SSL Break and Inspect and packet inspection devices, and data loss prevention systems.
See Managing Office 365 endpoints for the details.
There are currently five different Office 365 clouds. This table takes you to the list of endpoints for each one.
| Worldwide endpoints | The endpoints for worldwide Office 365 subscriptions, which include the United States Government Community Cloud (GCC). |
| U.S. Government DoD endpoints | The endpoints for United States Department of Defense (DoD) subscriptions. |
| U.S. Government GCC High endpoints | The endpoints for United States Government Community Cloud High (GCC High) subscriptions. |
| Office 365 operated by 21Vianet endpoints | The endpoints for Office 365 operated by 21Vianet, which is designed to meet the needs for Office 365 in China. |
| Office 365 Germany endpoints | The endpoints for a separate cloud in Europe for the most regulated customers in Germany, the European Union (EU), and the European Free Trade Association (EFTA). |
To automate getting the latest list of endpoints for your Office 365 cloud, see the Office 365 IP Address and URL Web service.
For additional endpoints, see these articles:
Office 365 For Mac Login
If you are a network equipment vendor, join the Office 365 Networking Partner Program. Enroll in the program to build Office 365 network connectivity principles into your products and solutions.