Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

键盘快捷方式是键或键组合，提供了一种替代通常使用鼠标完成的任务的替代方法。 如果要拍摄屏幕截图或截屏，请参阅 如何获取屏幕截图并向其添加注释。. 本文包括分类为的键盘快捷方式列表：

A message that is encrypted by Microsoft 365 Message Encryption is delivered to a recipient’s inbox just like any other email message. If the recipient has Outlook 2016 and a Microsoft 365 email account, they'll see an alert about the item's restricted permissions in the Reading pane.

Establishing internet boundaries is an important way to protect yourself and your family from inappropriate web content. Microsoft Family Safety web and search filters work across any Windows, Xbox and mobile device that has the Microsoft Edge browser and Family Safety apps installed.

Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive.. How you sign in to an installed Office app depends on your device.

Have Excel automatically fill your data when it detects a pattern. For example, the months of the year, the days in a month, or a sequence of numbers. You can also parse data, like splitting first and last names out of a column, or concatenate data, like joining first and last names from two columns.

A Desktop Alert is a notification that appears on your desktop when you receive a new email message, a meeting request, or a task request. By default, Desktop Alerts are turned on.

在 Windows 10 中，你可决定何时及如何获取最新更新以确保设备顺畅而安全地运行。 要管理你的选项并查看可用更新，请选择检查 Windows 更新。 或者选择"开始" 按钮 ，然后转到"设置>"&"> Windows"更新" 。 以下是你可能正在寻找的某些其他信息：

首先尝试以下操作. 首先尝试执行以下操作来帮助你解决连接问题或缩小该问题的范围。 运行获取帮助以排查和修复常见的连接问题。右击任务栏右侧的网络图标，然后选择“诊断网络问题”或打开“获取网络和 Internet 帮助”

Data sources. Your first step in setting up a mail merge is to pick the source of data you'll use for the personalized information. Excel spreadsheets and Outlook contact lists are the most common data sources, but if you don't yet have a data source, you can type it up in Word, as part of the mail merge process.