Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Hotmail är nu Outlook.com. Lär dig hur du loggar in för att komma åt ditt Outlook.com-, Hotmail-, Live- eller MSN-e-postkonto.

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.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Probeer deze oplossingen als u zich niet kunt aanmelden bij uw Outlook.com-, Hotmail-, Live- of MSN-e-mailaccount of als u niet goed weet hoe u zich moet aan- of afmelden.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Learn how to create an Xbox profile. You’ll need a Microsoft account to create an Xbox account. A Microsoft account is not the same thing as an Xbox account, although you can use the same email address for both.

本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。

Add a contact from someone's profile card. If you're using Outlook in an organization and you click someone's name or picture in Outlook or other Office apps and services, you might see a profile card with additional information.