Active content is additional functionality in a file or program, such as macros, add-ins, or data connections. This article lists types of active content that can be blocked by settings in Trust Center and which, when present in a document, cause display of the Message Bar when you open your file.

Reputation-based protection. Reputation-based protection leverages what Microsoft knows about various sites, services, and publishers, as well as threats we've seen in action to help protect you from malicious or potentially unwanted apps, files, or websites.

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

In the Focus assist settings, you can limit late-night notifications using the Automatic rules section. To do that, select During these times and turn on the toggle. Then, select Start time or End time, pick a time, and select the check mark to save your changes. You can also choose what days you want to apply the rule, and what types of notifications you'd still like to receive during the ...

Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)

1. Sign in with your Microsoft account. You will be prompted to Sign in with Microsoft account. If you have an existing Microsoft account on your mobile device then you will be asked to confirm your account, then click Continue.. If you don't have an existing Microsoft account on your mobile device then you will be asked to sign into your account or create a new one, then click Continue.

如果在使用消息时遇到问题，这些疑难解答提示可能会有所帮助。 将媒体添加到对话. 消息框下方有三个按钮，可帮助你在消息中插入内容。 表情符号按钮和 gif 按钮会打开一个菜单，你可以在其中快速搜索所需内容。

We would like to show you a description here but the site won’t allow us.

在Windows Defender防火墙中打开端口时，允许流量进入或传出设备，就像在防火墙中钻了一个洞一样。 这会降低设备安全性，并可能为黑客或恶意软件创造机会，使其能够利用其中一个缺口访问您的文件，或使用设备将恶意软件传播到其他设备。

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。