下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. Office 2019 Office 2016 Office 2016 for Mac Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品 ...
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Installing Microsoft Defender - Microsoft Support
Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Activate Office - Microsoft Support
Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
如何使用 ADO.NET 和 Visual Basic .NET 连接到数据库并运行命令 - Microsoft 支持
在 ADO.NET 中，只有 Command 对象（SqlCommand 或 OleDbCommand）运行命令。. 启动 Visual Studio .NET。. 在文件菜单上，指向新建，然后单击项目。. 在新建项目对话框中，单击项目类型下面的 Visual Basic 项目，然后单击模板下面的控制台应用程序。. 确保项目中包含对 System ...
付费 Microsoft 365 订阅与免费 Web 应用之间的区别是什么？
免费锁屏提醒表示活动Microsoft 365 家庭版或个人订阅不与登录帐户相关联。 只有 Word、Excel 和 PowerPoint 的免费 Web 版本可供使用。 若要在浏览器中访问这些应用，只需使用 Microsoft 帐户登录到 Microsoft365.com ，并从应用启动器 选择所需的应用。
Xbox Support
Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.
Uninstall or remove apps and programs in Windows
Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.
Create an email signature from a template - Microsoft Support
Select all the elements of the signature, right-click and choose Copy. On the Message tab, in the Include group, select Signature > Signatures. Choose New and type a name for your signature. For example: "Business" or "Personal". In the Edit signature field, right-click and select Paste. Your signature is now displayed in the field.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Windows keyboard tips and tricks - Microsoft Support
Windows logo key + S. Opens Search. Windows logo key + E. Opens File Explorer. Alt + Tab. Opens Task Switcher, moving forward with each press of Tab, switching to that window on release. Shift + Alt + Tab. Opens Task Switcher, moving backward with each press of Tab, switching to that window on release.