If you're an admin on the account, call (800) 865-9408 (toll-free, US only). If you’re outside the United States, see the global support phone numbers.
If you're an admin on the account, submit a service request. Sign in to Office 365 with your Office 365 user ID, and click Admin > Support.
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Article ID: 4027136 - Last Review: Aug 1, 2017 - Revision: 1