使用 SUM 函数对区域中的数字求和 - Microsoft 支持
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
Criar mídia de instalação para o Windows - Suporte da Microsoft
Para criar a mídia de instalação, vá para site de download do software, onde você localizará as instruções passo a passo. Nesse site, você pode selecionar uma versão do Windows e criar sua própria mídia de instalação usando um pen drive ou um DVD. Para ir diretamente para uma das versões, selecione um destes links: Windows 7 ...
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
在Microsoft帐户仪表板上，选择“ 服务 & 订阅 ”，查看所有与此帐户关联的Microsoft产品。. 登录. 找到 Office 产品并选择“ 安装 ”。. 按照提示安装或重新安装桌面应用。. 选择 “安装高级Microsoft 365 应用 ”，并按照提示安装或重新安装桌面应用。. 在“Microsoft 365 ...
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, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows
Open the Start menu - Microsoft Support
To open the Start menu—which contains all your apps, settings, and files—you can do any of the following: On the center or left end of the taskbar, select the Start icon. Note: Your taskbar settings determine where the taskbar is located. Press the Windows logo key on your keyboard. Swipe up from the bottom center or left of your screen ...
Get the classic free Solitaire games for Windows
On the Microsoft Solitaire Collection page in Microsoft Store, select Install. The game will download and install automatically. To launch the game, select Play. You can always launch the game from the product page, but there's an easier way--pin it. With the game open, right-click (or press and hold) the game button on your task bar and select ...
在 Windows 11 中使用相机设置管理相机 - Microsoft 支持
注意: 某些相机将不会显示在“相机设置”页中。其中包括用于 Windows Hello 人脸身份验证的红外线 (IR) 摄像头、使用 DirectShow 技术（如 DSLR 或运动相机制造商提供的便于将其设备用作网络摄像头的许多应用）的相机，以及不由 Windows 管理的专有相机，例如工业相机和许多网络摄像头。
Scaricare e installare o reinstallare Office 2019, Office 2016 o Office ...
Se si installa Microsoft 365 per la prima volta, può essere necessario eseguire prima alcuni passaggi di configurazione.Per saperne di più, espandere la sezione seguente. Se invece si sta reinstallando Microsoft 365, è già stato riscattato un codice Product Key e si ha un account associato a Microsoft 365, passare alla sezione su come accedere per scaricare Office.
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
在 Windows 中管理输入和显示语言设置 - Microsoft 支持
若要在Windows 11电脑上管理输入和显示语言设置的所有方面，请使用以下方法。. 更改键盘布局. 添加键盘. 更改显示语言. 安装语言包. Windows 11的单语言版本. 删除多余的语言包或键盘语言. 了解如何更改网站和应用的 Windows 显示语言和键盘布局设置。.
Open and run DxDiag.exe - Microsoft Support
Open and run DxDiag.exe. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help. In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results. In the ...
Recover lost or deleted files - Microsoft Support
Recover lost or deleted files. Windows 7. Note: If you've recently updated Windows 10 and are having problems finding files, see Find lost files after the upgrade to Windows 10. If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try ...