Help and support content for accessibility features in Microsoft 365 apps and services. Learn about ease of use features for vision, hearing, mobility, learning, neurodiversity, and mental health.

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.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to delete all your email from your inbox in Outlook.com.

注: macOS 用 OneDrive Sync アプリでは、現在、同じ表示名を共有している場合、異なる組織からの 2 つのビジネス アカウントの追加はサポートされていません。 このようなアカウントを構成しようとすると、セットアップエラーが発生します。

If you're unable to access email, browse the web, or stream music, it's likely you're not connected to your network and can't access the Internet. Fortunately, most connectivity issues can be resolved with simple troubleshooting steps. In this guide, we'll explore a range of solutions to help you fix Wi-Fi problems in Windows, providing clear and detailed instructions for effective ...

Dowiedz się, jak zmienić logowanie systemu Windows z konta lokalnego na konto Microsoft w celu synchronizowania ustawień na wszystkich urządzeniach.

Show Changes in Excel lets you see exactly what edits were made to your workbooks, so you can confidently allow others to collaborate on your work. You can see details of who changed what, where, and when, along with the previous value of the cell for quick reversion. You can narrow down the list of changes by selecting any sheet, range, or individual cell, to see all changes that were made ...

Learn how to change Microsoft account email address using aliases to sign into your Microsoft account.

Use the minus sign operator or the SUM function to subtract numbers in Excel.