Microsoft 365 for home

Microsoft 365 for business

  • Try searching our online help.

  • Get answers in the Microsoft 365 community forums.

  • Sign in to Microsoft 365 with your Microsoft 365 admin account, and select Support > New service request. If you're in the admin center, select Support > New service request.

  • 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.

  • Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock support and access to small business specialists as you grow your business, from onboarding to everyday use. Learn more at Business Assist for Microsoft 365.

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