Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

How to start voice typing. To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically. Wait for the "Listening..." alert before you start speaking.

To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears. Note: You can also mention someone simply by typing their name.

在 Microsoft Teams 中向频道发送消息. 转到 Teams 中的任何频道时，你将看到的第一个选项卡是 “帖子 ”。. 将帖子视为一个大型群组对话。. 有权访问该频道的每个人都可以在“ 帖子 ”选项卡上查看消息。. 关于通道中的消息，另一个关键事项是，对频道消息的 ...

If you're receiving unwanted emails, you can block the email addresses and domains you don't want to receive email messages from. Add any email address or domain to your blocked senders list to send these emails directly to your Junk Email folder. , type the email address or domain that you want to block and select.

This article describes how to change keyboard layouts for the Microsoft keyboards listed in the "Applies To" section. You can configure your keyboard to use a different language or keyboard layout, such as Canadian Multilingual, Spanish, or United States-Dvorak.

See the following for more information about working with PowerPoint. Create a basic presentation in PowerPoint for the web. Upload a PowerPoint presentation created elsewhere. Share and co-author a presentation by using PowerPoint for the web. Get PowerPoint for the web from Office.com.

To resolve this, see Troubleshoot problems with the Windows Media Player app. 0xC00D1163. This error may occur when there are issues with digital rights management (DRM) for protected content. If you're unsure about the error code, refer to the error types below and the instructions to resolve it.

下面是如何分别构造 AND 、 OR 和 NOT 函数的概述。. 当将它们分别与 IF 语句组合使用时，应按如下方式表达：. AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)