步骤 1：转到 www.microsoftstore.com 并使用用于购买 Office 的 Microsoft 帐户登录（右上角）。. 步骤 2：登录后，在右上角选择姓名，然后选择“订单历史记录”。. 步骤 3：找到 Office 一次性购买或单独的 Office 应用，然后选择“安装 Office”，查看产品密钥（此操作不会安装 Office）。

Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

When you’re away from your console or your Windows 10/11 device, you can still get ready to play your next Xbox console game. Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are.

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

Erfahren Sie, wie Sie die Windows Update-Problembehandlung ausführen, um Fehler beim Herunterladen oder Installieren von Windows zu beheben.

After you export your contacts, use Excel to open the CSV file and check that there's data. When you close the file, Excel will prompt you a few times with "are you sure you want to save it in CSV format?"

휴대폰 연결을(를) 사용하면 PC에서 바로 모바일 장치에 설치한 Android 앱에 즉시 액세스할 수 있습니다. Wi-Fi 연결을 사용하면 PC의 더 큰 화면과 키보드를 사용하는 동안 앱에서 찾아보기, 재생, 주문, 채팅 등을 할 수 있습니다.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.