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Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
了解新的 Xbox 无线控制器 | Xbox Support
左控制杆 (1) 和右控制杆 (11):这些是小型游戏杆,立在控制器表面上方。 左摇杆位于控制器正面的左上角处,右摇杆位于控制器正面的右下角处。 摇杆用于与游戏、应用和 Xbox 主机进行交互。
鼠标和键盘中心下载 - Microsoft 支持
Microsoft 鼠标和键盘中心是可帮助你充分利用 Microsoft 键盘和鼠标的应用。 借助鼠标和键盘中心,可个性化设置和自定义你在电脑上的工作方式。
在 Outlook 中更改时区和语言设置 - Microsoft 支持
了解如何在 Outlook 网页版 和新 Outlook 中设置时区、语言以及日期和时间格式设置。
Applies To: Office for business, Office 365 Small Business, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Returning items you bought from Microsoft for exchange or refund
Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.
Applies To: Microsoft account dashboard
查看 Office 文件的先前版本 - Microsoft 支持
查看文件的以前版本. 如果文件存储在OneDrive 或 Microsoft 365 中的 SharePoint 中,则可以返回到文件的以前版本。 如果犯了错误、遇到恶意软件或病毒问题,或者你只是喜欢以前的版本,这一点非常重要。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows摄像头、麦克风和隐私 - Microsoft 支持
在Windows,将相机和麦克风作为设备的一部分,Teams视频呼叫、拍照、录制视频等。 许多应用和服务都会请求并使用摄像头或麦克风,而 Windows 设置让你控制哪些应用可使用你的摄像头或麦克风。
Instalador offline do Microsoft .NET Framework 4.8 para Windows
Mais informações. Para obter mais informações sobre o Microsoft .NET Framework 4.8, consulte os Problemas conhecidos do Microsoft .NET Framework 4.8.. Esta versão do .NET Framework é executada lado a lado com o .NET Framework 3.5 SP1 e versões anteriores, mas realiza uma atualização in-loco para o .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 e 4.7.2.
在 Excel 中添加或删除加载项 - Microsoft 支持
加载项为 Microsoft Excel 提供可选的命令和功能。 默认情况下,加载项在 Excel 中不立即可用,因此在某些情况下,必须首先安装和 激活这些加载项,以便您可以使用它们。 某些加载项内置于 Excel 中,例如规划求解和分析工具库。 其他一些加载项可从下载中心获取,必须先下载并安装。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016