Sign in with Microsoft
Sign in or create an account.
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

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.

  • Professional Direct Support for Microsoft 365 provides additional advisory support and proactive services to help plan, implement, maintain, and optimize Microsoft 365 solutions that align to your business's needs, as well as reactive support to assist you along the way. Learn more at Professional Direct Support for Microsoft 365.

Need more help?

Expand your skills


Get new features first


Was this information helpful?

What affected your experience?

Thank you for your feedback!