If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Recall a message in Outlook on the web. Select Sent Items in the left folder pane, then double-click the sent message to open it in a separate window. From the ribbon, select Recall Message, then select OK in the confirmation dialog box. Shortly thereafter, you'll receive a Message Recall Report in your inbox.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content.

Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.

请确保将音频输入和输出分配给要用于群聊天的音频设备。 在 “群”小组件中，选择 “群”选项 … 按钮，然后选择“群”音频。 在“音频”输出和“音频”输入下，从选择下拉列表中选择音频设备。

The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk. Your certificate might be stored on a smart card, or might be a file that you store on your computer. Follow the instructions provided by your organization to use your certificate. Install the S/MIME control.

如果你无法在 Xbox 主机上从游戏聊天切换到群聊天，则 Xbox 服务或你的网络连接可能有问题。 请尝试以下解决方案来修复该问题，以便你可以使用群聊天。

RSS Feeds are an easy way to stay up to date with your favorite websites, such as blogs or online magazines. If a site offers an RSS feed, you get notified whenever a post goes up, and then you can read a summary or the whole post.