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

Nov 11, 2025 · Announcements and messages This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices.

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 …

Nov 11, 2025 · Introduction Microsoft released the following security and nonsecurity updates for Office in November 2025. These updates are intended to help our customers keep their …

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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 …

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