Use the Block or Allow settings in Outlook Web App to help control unwanted and unsolicited email messages.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Overview of creating an organization chart. Use a SmartArt graphic to create an organization chart in Excel, Outlook, PowerPoint, or Word to show the reporting relationships in an organization, such as department managers and non-management employees.

Use the Reading Pane to preview items without opening them. You can choose whether to mark previewed messages as read or use single key reading. You can also preview up to three lines of a message in the message list, and you can split the message window in long messages.

Learn how to start a group chat in Microsoft Teams, share files and make calls with your friends or coworkers, outside of channels.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Learn how to use Image Creator in Paint to generate diverse and realistic images using a powerful AI model called DALL-E.

To change your translation preferences, go to Home > Translate > Translation Preferences.. Here you can set your preferred language. Translate part of an email. To translate just a bit of text from a message, select that text and right-click.

Choose from a variety of Surface devices and accessories to get help.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.