Support Contact Information and Hours

Support Contact Information and Hours

Support is available by phone and through free online resources.

Phone Support

Microsoft Product Support Services (PSS) provides telephone support 24 hours a day, 7 days a week, at (800) 936-5800.

Online Resources

To request marketing or licensing materials, such as contracts and the initial Licensing and Servicing Agreement, send e-mail to .NET Passport Information.

To register your Microsoft® .NET Passport site or change existing registration information, visit the .NET Services Manager .

To access the Microsoft Knowledge Base of technical support information and self-help tools for Microsoft products, see https://search.support.microsoft.com/kb .