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

If the email message isn't sent successfully, for example because of connectivity problems or logon issues, it might be stuck in your Outbox folder. If you see a message in the Outbox folder, make sure your connection is working. The item is too old.

使用 Microsoft Forms ，可以在 Microsoft Teams 秒内创建即时实时轮询。 在 Teams 频道中发布投票，或在聊天窗格中快速收集反馈。

Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

Meeting options in Microsoft Teams. Meeting options are a group of settings that enable, limit, or turn off certain capabilities during a meeting. Organizers can change meeting options to affect how participants engage and interact during a meeting.

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.

Create a SharePoint team site to provide a location where you and your team can work on projects and share information from anywhere on any device. A team site includes a group of related web pages, a default document library for files, lists for data management, and web parts that you can customize to meet your needs.

培训：你和你的团队可以在 Microsoft Teams 中的团队和频道中进行协作。 发布公告、共享更新、查找文件等。 在此视频中了解如何使用。

频道是在 Teams 中协作的最佳位置，我们引入了一些更改，使你和你的团队成员更容易协同工作。 新的频道体验提供了一种有条理的透明方式来共享内容和进行引人入胜的对话。 翻转频道帖子的顺序. 现在，你可以将最近的活动显示在帖子列表的顶部 (或底部) 。

在 Microsoft Teams 中显示和隐藏频道，从而及时了解重要频道中的信息，并隐藏不需要的频道。 隐藏或显示频道. 从频道内，选择“更多选项” >“隐藏”。