SUMIF 函数 - Microsoft 支持
sum_range 可选。要添加的实际单元格，如果要添加在范围参数指定以外的其他单元格。如果省略sum_range参数，Excel就会添加范围参数中指定的单元格（与应用标准的单元格相同）。 Sum_range 的大小和形状应该与范围相同。如果不这样做，性能可能会受到 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
如何下载和安装最新的打印机驱动程序 - Microsoft 支持
Windows 11 Windows 10. Windows 11 Windows 10. 大多数打印机要求安装最新的打印机驱动程序，以帮助打印机正常工作。. 如果遇到停电、计算机病毒或其他问题，驱动程序也可能损坏。. 如果打印机没有响应，下载并安装最新的打印机驱动程序通常可以解决这些问题。.
Install Skype for Business - Microsoft Support
If you have Office 2007, Skype for Business 2016 won't be fully integrated with your Office programs. For example, you won't see the presence of your co-workers when you type an email in Outlook (by "presence" I mean you won't see whether they're available, busy, or away), and you won't have a few other features.
适用于:
Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Office.com, Skype for Business , Skype for Business Basic, Android 版 Skype for Business, iPad 版 Skype for Business, iPhone 版 Skype for Business, Mac 版 Skype for Business, Windows Phone 版 Skype for Business, Skype for Business Online
Get to know Game Bar on Windows | Xbox Support
All your favorite things in one place. When you open Game Bar, a variety of Xbox gaming activities are at your fingertips. Select a feature from the Widget Menu and it’ll pop up as a widget. Many of these can be moved, resized, or pinned to your screen. Widget menu (1) – Select the Widget menu icon to open a list of activities to choose from.
What is OneDrive? (work or school) - Microsoft Support
Overview. Access and edit your files from all your devices. Share inside or outside your organization. Work together in real-time on Office documents. Quickly find the files that matter to you. Keep your files protected and backed up.
适用于:
OneDrive for Business, SharePoint Server 订阅版, SharePoint Server 2019, SharePoint Server 2016, Office 商业版, OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
查找 Xbox 主机 ID、设备 ID 和序列号 | Xbox Support
选择“档案和系统”>“设置”>“系统”>“主机信息”。. 你的“主机 ID”是显示列表中的第二个。. 注意 如果正在寻找忘记密码重置尝试的设备 ID，请使用“ Xbox 网络设备 ID ”。. 查找 Xbox 序列号. 你的 Xbox 主机的序列号位于两个位置中：. 在主机背面的标签上 ...
Make text and apps bigger - Microsoft Support
To go to the Accessibility settings on your computer, press the Windows logo key+U or select Start > Settings > Accessibility. Select Text size. Drag the Text size slider to the right to increase the size of the sample text. Once you're happy with the text size, select Apply. Windows scales up the size of all text.
Xbox 系统更新疑难解答 | Xbox Support
Xbox 系统更新疑难解答. 此解决方案可帮助你解决在 Xbox 系列 X|S 或 Xbox One 主机上执行系统更新失败所导致的错误。. 如果你的 Xbox 主机软件没有更新成功，你可能会遇到下列情形中的其中一种。. 主机在更新的过程中或更新后可能会显示错误消息或错误代码 ...
用于辅助功能的 Windows 键盘快捷方式 - Microsoft 支持
辅助功能快捷方式可帮助你将电脑与键盘或辅助设备结合使用。 下面是Windows 11辅助技术的键盘快捷方式列表，包括放大镜、高对比度等。 若要查看Windows 11中“讲述人”的键盘快捷方式和触摸手势列表，请参阅“讲述人”键盘命令和触摸手势。 “放大镜”键盘快捷方式
Download files from the web - Microsoft Support
Change the default download folder on your PC. Open Internet Explorer, select the Tools button, and then select View downloads. In the View Downloads dialog box, select Options in the lower-left. Choose a different default download location by selecting Browse and then selecting OK when you're done.