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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 Help has …

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 computers up to …

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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 intention behind this …

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