假设你想弄清楚在包含重复值的区域中存在多少个唯一值。. 例如，如果某个列包含：. 值 5、6、7 和 6，则结果是三个唯一值：5、6 和 7。. 值“Bradley”、“Doyle”、“Doyle”、“Doyle”，则结果是两个唯一值：“Bradley”和“Doyle”。. 计算重复值中的唯一值总数有 ...

您不是唯一搜索活动场地的人。 如果您的朋友想在您处理工作簿的同时将信息添加到电子表格中，该怎么办？ 在 Excel 网页版 中，您可以与其他人同时协同处理同一工作簿。 继续进行更改。 Excel 网页版 将指明是否还有其他人在处理该工作簿。 从浏览器打印

本文介绍各种可用的代理服务器检测方法。 此外，本文还介绍了Windows 更新使用特定代理服务器检测方法的情况。 其他信息 自动更新服务配置为从 Microsoft Windows 更新 网站下载和安装更新 自动更新服务可以自动从Windows 更新网站下载和安装更新。

若要以管理员身份启动 Internet Explorer，请执行以下步骤：. 关闭所有 Internet Explorer 窗口。. 依次单击“开始”和“所有程序”，右键单击“Internet Explorer”并选择“以管理员身份运行”。. 浏览到网站，并在以管理员身份运行时尝试打印页面。. 如果在以管理员 ...

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Cast to a Windows PC from another Windows PC. On the PC you'd like to project from, select Start > Settings > System > Projecting to this PC . Under Add the “Wireless Display” optional feature to project to this PC, select Optional features . Next to Add an optional feature, select View features, then enter “wireless display.”.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

First, launch Windows Backup: select Start , type windows backup, and select Windows Backup from the results. (Or you can select Start > All apps > Windows Backup .) Then select Folders to drop it down, and select which of your user folders you want to back up to OneDrive: You can back up your Desktop, Documents, Pictures, Videos, and Music ...

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.