Microsoft Phone Number - 1-800-642-7676

United States Support Center

Welcome to the Microsoft Sales and Partner information line.
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To get started, please tell me what type of customer you are. You can say business, personal, Microsoft partner or say call an employee.

Welcome to Microsoft Canada, quick assistance support.
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United States Professional Support Phone Numbers: 1-800-642-7676 (24/7)

Thanks for calling Microsoft. To help us improve our quality of service. This call maybe be recorded or monitored.
To get started tell me what you would like help with. You can say, technical support, pre-sales information, security, partner support or calling an employee.

Canada Professional Support Phone Numbers: 1-800-805-4440 (24/7)

United States Technical Support: 1-800-936-4900 (English)

Canada Technical Support: 1-800-805-4440 (English, French)

IT Professionals Assisted Support: 1 (800) 936-4900

Original Equipment Manufacturers: (800) 936-2197

Microsoft Certified Solution Provider: 1-(888)-677-9444 (24/7)

Developer Assisted Support: (US and Canada) call (800) 936-5800

Reseller or Consultant Assisted Support: 1 (888) 456-5570 (24/7)

source: http://technet.microsoft.com/ (includes international contact numbers)

Contact TechNet Customer Service: (800) 344-2121

Microsoft Partner Technical Services USA: 1-800-MPN-SOLVE (1-800-676-7658)

Microsoft Partner Technical Services Canada—French: 1-877-453-1317

source: https://mspartner.microsoft.com/en/hk/pages/support/partner-technical-services-contact-information.aspx