使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Connect your Windows PC to an external display that supports Miracast ...
Windows 11 Windows 10. Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on. On right side of the taskbar, select the Network icon > Cast > pick your display or adapter. Follow any additional instructions on the screen. Otherwise, you're done.
Reinstall Windows - Microsoft Support
Select Create installation media (USB flash drive, DVD, or ISO file) for another PC, and then select Next. Choose a language, edition, and architecture (64-bit or 32-bit), and then select Next. Select USB flash drive, and then select Next. Follow the steps to create installation media, and then select Finish.
Options de connexion de Windows 10 et protection des comptes
Pour activer Windows Hello. Accédez à Démarrer > Paramètres > Comptes > Options de connexion. Sélectionnez la méthode Windows Hello que vous souhaitez configurer, Sélectionnez Configurer. Il se peut que Windows Hello ne soit pas disponible pour votre appareil si cette fonctionnalité n'apparaît pas dans Options de connexion.
Corrigir problemas de som ou áudio no Windows - Suporte da Microsoft
Se o aplicativo Obter Ajuda não conseguir resolver o problema do som ou áudio, tente as possíveis soluções listadas: 1. Verifique a saída de seu alto-falante. 2. Executar a solução de problemas de áudio. 3. Verifique se todas as Atualizações do Windows estão instaladas.
- Microsoft
下载并安装应用. 设置 Microsoft 365 商业版订阅后,需要在电脑或 Mac 上下载并安装 Microsoft 365 应用,如 Word、Excel、Microsoft Teams 和 PowerPoint。. 转到 microsoft365.com 并使用 Microsoft 365 帐户登录。. 选择 “安装应用”。. 按照浏览器中的说明下载安装程序并开始安装 ...
使 SUM - Microsoft
可以使用 简单的公式对) 一组单元格 (区域中的数字求和,但在处理多个数字时 ,SUM 函数 更易于使用。 例如,=SUM (A2:A6) 出现键入错误的可能性小于 =A2+A3+A4+A5+A6。 下面是使用两个单元格区域的公式: =SUM (A2:A4,C2:C3) 对区域 A2:A4 和 C2:C3 中的数字求和。
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
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.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
Troubleshoot the Teams Meeting add-in in Outlook for Windows
In Outlook, on the File tab, select Options. If the Teams Meeting Add-in is listed in the Disabled Application Add-ins list, under Manage, select COM Add-ins, and then select Go…. Select the Microsoft Teams Meeting Add-in for Microsoft Office checkbox. Choose OK on all dialog boxes, and then close Outlook. Restart Outlook.
适用于: Outlook 2021, Outlook 2019, Outlook 2016
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.
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 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 家庭版, Office 商业版, Microsoft 365 管理员, Project for Office 365