Microsoft 365 requires connectivity to the Internet. The endpoints below should be reachable for customers using Microsoft 365 plans, including Government Community Cloud (GCC). Microsoft 365 Worldwide (+GCC) | Microsoft 365 operated by 21 Vianet | Microsoft 365 U.S. Government DoD | Microsoft 365 U.S. Government GCC High | Notes Download Use Start with Managing Microsoft 365 endpoints to understa
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