Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Learn what PivotTable and PivotCharts are, how you can use them to summarize and analyze your data in Excel, and become familiar with the PivotTable- and PivotChart-specific elements and terms.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Wenn Sie Ihre Hardware geändert haben, um ein Upgrade auf Windows 11 durchzuführen und das System die Änderung nicht rechtzeitig erkennt, wird in diesem Artikel erläutert, wie Sie die Bewertung manuell initiieren.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Learn how to use your Outlook inbox effectively with Microsoft Support's training resources.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Firewall & network protection in Windows Security lets you view the status of Microsoft Defender Firewall and see what networks your device is connected to.