Recovery options in Windows - Microsoft Support
Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.
Personalize your lock screen - Microsoft Support
Elevate your device by showcasing beautiful images from around the globe with Windows spotlight, or your favorite memories with a custom photo or a dynamic slide show as your lock screen background.. Stay informed and efficient with dynamic updates that bring weather, finance, sports, traffic, and app notifications right to your lock screen.
使用 Office 脱机安装程序 - Microsoft 支持
需要连接到 Internet 才能下载此安装文件，但一旦下载完成，就可以在方便的时候离线在电脑上安装 Microsoft 365。 如果你的 Microsoft 365 产品是 Office 家庭版 或 Office 商业版 计划的一部分，则以下步骤会有所不同，你需要为产品选择正确的选项卡。
适用于:
Office 2021, Office 2019, Office 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 小型企业管理员版, 由世纪互联运营的 Office 365 - 管理员版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版, Office.com
Set up email in the Mail app - Microsoft Support
Microsoft added OAuth support for Yahoo! accounts in the Windows 10 Creators update. To install the Creators Update now, go to the software download site, and select Update now.For more information about Windows updates, see Get the latest Windows update.. If you have a Japanese Yahoo! email account, you'll need to do the following:
适用于:
Windows 10 版邮件, Windows 10 版 Outlook 邮件
How to close your Microsoft account - Microsoft Support
Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.
锁定或解除锁定受保护工作表的特定区域 - Microsoft 支持
如何在 Excel 中锁定单元格以保护数据。 还可以解锁单元格区域并授予他人编辑权限。 清除此复选框 防止用户执行的操作 选定锁定单元格 将指针移向选中了“锁定”复选框（在“设置单元格格式”对话框的“保护”选项卡上）的单元格。默认情况下，允许用户选择锁定的单元格。
适用于:
Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
安装 Project - Microsoft 支持
Project Online Professional或Project Online 高级版： 如果你订阅了Project的基于云的解决方案之一，则你将看不到安装它的选项，除非你有分配的许可证。如果你是负责分配许可证的 Microsoft 365 管理员，请参阅向用户分配许可证。
适用于:
Project Online 桌面客户端, Project 专业版 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project 专业版 2016, Project Standard 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Office.com, Project for Office 365
Mouse and keyboard problems in Windows - Microsoft Support
Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.
Welcome to the MSN home page - Microsoft Support
MSN provides you with three quick ways to navigate through MSN to easily find what you need: The Mega menu located at the top left side of the page, brings you every section in just one easy step.