PowerPoint help & learning
Learn how to use PowerPoint for online and offline presentations. Find tips, tutorials, and answers from Microsoft support.
我无法登录到我的Microsoft帐户 - Microsoft 支持
如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
Utilitaire de résolution des problèmes de Windows Update
Découvrez comment exécuter l’utilitaire de résolution des problèmes de Windows Update pour résoudre les erreurs de téléchargement ou d'installation des mises à jour Windows.
修复 Windows 中的 USB-C 问题 - Microsoft 支持
学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To:
Microsoft account dashboard
Office installed with Click-to-Run and Windows Installer on same ...
Learn how to resolve errors related to running Office installed by Click-to-Run and Windows Installer (MSI).
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Click2Run, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Use Game Mode while gaming on your Windows device
Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.
Habilitar TPM 2.0 en el equipo - Soporte técnico de Microsoft
Obtén información sobre cómo comprobar si el equipo es capaz de ejecutar TPM 2.0 o cómo habilitar TPM 2.0 para actualizar a Windows 11.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：
Adjust capture settings on Windows | Xbox Support
Find out how to change your capture settings on Windows 10/11 devices.