打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：. 选择“ 开始 ” ，然后打开“ 设置 ” 。. 在“ 隐私和安全 ” 下面，选择“ Windows 安全 ” >“ 防火墙和网络保护 ”。. 打开 Windows 安全中心设置. 选择网络配置文件： 域网络 、 专用网络 或 公用网络 ...
Office Help & Training
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在Windows 11电脑上启用虚拟化 - Microsoft 支持
在Windows 11电脑上启用虚拟化. 虚拟化可让你的电脑模拟不同的操作系统，例如 Android™ 或 Linux。. 通过启用虚拟化，你可以访问更大的应用库，以便在电脑上使用和安装。. 如果你在电脑上从Windows 10升级到Windows 11，这些步骤将帮助你启用虚拟化。. 注意: 许多 ...
Use your Windows PC as a mobile hotspot - Microsoft Support
If your PC has a cellular data connection and you share it, it will use data from your data plan. Select Start , then select Settings > Network & internet > Mobile hotspot. For Share my internet connection from, choose the internet connection you want to share. For Share over, choose how you want to share your connection—over Wi-Fi or Bluetooth.
Add pictures or attach files to email messages in Outlook
To insert a picture that displays in the body of an email message, use the following steps: Position your cursor where you want the image in your message. In the ribbon, select Insert, then Pictures. Browse your computer or online file locations for the picture you want to insert. Select the picture, then select Open.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
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 ...
Lock or unlock specific areas of a protected worksheet
If prompted, enter the password to unprotect the worksheet. Select the whole worksheet by selecting Select All. On the Home tab, select the Font Settings popup launcher. You can also press Ctrl+Shift+F or Ctrl+1. In the Format Cells dialog box, select the Protection tab and uncheck the Locked box and then select OK.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
SharePoint help & learning
The SharePoint landing page serves as a comprehensive resource for end users exploring functionalities of SharePoint. It offers guidance on getting started with SharePoint, including how to sign in, create SharePoint sites, and set up pages to organize content effectively. Users can access tutorials on managing documents and libraries within SharePoint, as well as leveraging data and lists for ...
Office Help & Training
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Office Help & Training
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