Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

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Oct 14, 2025 · Windows 10 support ends on October 14, 2025. Upgrade to Windows 11 now to ensure continued security and feature updates. Learn more about the transition.

Nov 5, 2025 · This page provides support links for home users and support phone numbers for business users.

Open the Sign-in Helper for support options or hacked account issues Easily create a family group and set parental controls like screen time limits and app filters for free with Microsoft Family …

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These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Run to start that troubleshooter. Windows troubleshooters Get …

Feb 4, 2025 · This support article was originally published on September 30, 2021, when Windows 11 was first released to the public. At the time of publication and still today, the …

Oct 28, 2025 · To view the latest updates about this release, visit the Windows release health dashboard or the update history page for Windows 11, version 24H2 and version 25H2. …

This article describes the formula syntax and usage of the COPILOT function in Microsoft Excel.