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Microsoft 365 endpoints

This article applies to both Microsoft 365 Enterprise and Office 365 Enterprise.

Endpoints are the set of destination IP addresses, DNS domain names, and URLs for Microsoft 365 traffic on the Internet.

To optimize performance to Microsoft 365 cloud-based services, these endpoints need special handling by your client browsers and the devices in your edge network. These devices include firewalls, TLS Break and Inspect and packet inspection devices, and data loss prevention systems.

See Managing Microsoft 365 endpoints for the details.

There are currently five different Microsoft 365 clouds. This table takes you to the list of endpoints for each one.

Cloud Description
Worldwide endpoints The endpoints for worldwide Microsoft 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.
Microsoft 365 operated by 21Vianet endpoints The endpoints for Microsoft 365 operated by 21Vianet, which is designed to meet the needs for Microsoft 365 in China.

To automate getting the latest list of endpoints for your Microsoft 365 cloud, see the Microsoft 365 IP Address and URL Web service.

For more endpoints, see these articles:

If you're a network equipment vendor, join the Office 365 Networking Partner Program. Enroll in the program to build Microsoft 365 network connectivity principles into your products and solutions.

See also

Microsoft 365 IP Address and URL Web service