On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always.The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it.

If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

Note: If you use a Manual Table of Contents style, Word won't use your headings to create a table of contents and won't be able to update it automatically. Instead, Word will use placeholder text to create the look of a table of contents so you can manually type each entry into the table of contents.

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

Important: If you turn on two-step verification, you will always need two forms of identification.This means that if you forget your password, you need two contact methods. Or if you lose your contact method, your password alone won't get you back into your account—and it can take you 30 days to regain access.

In Date & time, you can choose to let Windows 10 set your time and time zone automatically, or you can set them manually.. To set your time and time zone in Windows 10, go to Start > Settings > Time & language > Date & time.. Open Date & time settings

使用自动筛选或内置比较运算符（如 Excel 中的“大于”和“前 10 个”）显示所需数据并隐藏其余数据。 筛选单元格或表格区域中的数据后，可以重新应用筛选器以获取最新结果，或者清除筛选器以重新显示所有数据。

Microsoft accounts are for personal use, and for accessing services like Outlook.com, Xbox or Skype. Microsoft work and school accounts are for organizations that use Microsoft 365 for business.. Choose your account type, or learn more about the differences.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

您可以将同一行或列中的两个或多个单元格合并为一个单元格。例如，您可以水平合并多个单元格，以创建横跨多个列的表格 ...