安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
安装 Windows 7 Service Pack 1 (SP1) Windows 7 支持已于 2020 年 1 月 14 日结束。. 我们建议你转到 Windows 11 电脑来继续从 Microsoft 接收安全更新。. 获取 SP1的推荐（并且最简单）方法是在“控制面板”中的“Windows 更新”中打开自动更新，然后等待 Windows 7 通知你 SP1 已准备 ...
Find and replace text - Microsoft Support
Go to Home > Replace. Enter the word or phrase you want to replace in Find what. Enter your new text in Replace with. Choose Replace All to change all occurrences of the word or phrase. Or, select Find Next until you find the one you want to update, and then choose Replace. To specify only upper or lowercase in your search, select More > Match ...
Applies To:
Word for Microsoft 365, Word for the web, Word 2021, Word 2019, Word 2016
KB4073119：防范基于芯片的微架构和推理执行侧信道漏洞的 Windows 客户端 IT 专业人员指南
本文为影响许多新式处理器和操作系统的一类基于硅的微体系结构和推测执行侧信道漏洞提供了指导。. 这包括 Intel、AMD 和 ARM。. 可在以下 ADV（安全公告）和 CVE（常见漏洞和披露）中找到这些基于芯片的漏洞的特定详细信息：. ADV180002 | 缓解推测执行侧信道漏洞 ...
Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To:
Microsoft account dashboard
在 PowerPoint 中使用平滑切换 - Microsoft 支持
以下是操作方法：. 在左侧的缩略图窗格中，单击要向其应用切换的幻灯片，该幻灯片应是要在其中添加应用了平滑效果的对象、图片或文字的第二张幻灯片。. 在“ 切换 ”选项卡上，选择“ 平滑 ”。. 注意: 在 PowerPoint for Android 中，选择“ 切换 ”>“ 切换效果 ...
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint for iPad, PowerPoint for iPhone, PowerPoint for Android tablets, PowerPoint for Android phones, PowerPoint Mobile
将 Windows 电脑用作移动热点 - Microsoft 支持
通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。. 你可以共享 WLAN、以太网或手机网络数据连接。. 如果你的电脑具有手机网络数据连接并且共享该连接，它将使用流量套餐数据。. 选择 “开始 ”，然后选择 “设置” > “网络& Internet > 移动 ...
Fix Bluetooth problems in Windows - Microsoft Support
Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...
Camera doesn't work in Windows - Microsoft Support
If that doesn't work, or your camera is built in on your device, try this: Select Start , type device manager, then select it from the search results. Find your camera under Cameras, Imaging devices , or Sound, video and game controllers. If you can't find your camera, select the Action menu, then select Scan for hardware changes.
OneDrive 동기화 문제 해결 - Microsoft 지원
OneDrive 동기화 문제 해결. 죄송합니다. OneDrive를 동기화하는 중 문제가 발생했습니다. 아래 목록에서 PC에 표시되는 아이콘을 선택하면 다시 동기화하는 데 도움이 되는 단계가 표시됩니다. 참고 사항: 작업 표시줄 또는 알림 영역에 OneDrive 아이콘이 표시되지 ...
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Office 365 Small Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business
AVERAGE 函数 - Microsoft 支持
注意: AVERAGE 函数用于计算集中趋势，集中趋势是统计分布中一组数的中心位置。. 最常用的集中趋势度量方式有以下三种：. 平均值 ：平均值是算术平均值，由一组数相加然后除以数字的个数计算而得。. 例如，2、3、3、5、7 和 10 的平均值为 30 除以 6，即 5。. 中 ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016