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Support Contact Information and Hours

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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 .