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

Contact Support. 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.

Standard channels are available to all team members in Teams. Most channels are standard channels. If you need a smaller, specific audience for a particular subject, you can use a private channel. Shared channels are for collaborating with people inside and outside your team or organization.

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

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.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

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。

答复现有邮件会话或开始新对话会打开一个撰写框，以便键入邮件并设置邮件格式。 任一选项都会向特定频道中的每个人发送消息， (整个团队) 。 撰写完邮件后，选择“ 发送 (”（如果是回复) ）或“ 发布 (”（如果是帖子) ）。 你的消息现已在频道中直播。

如何与人员共享频道. 转到要共享的频道，然后选择“ 更多选项 ” > 共享频道 > 与其他人共享 。. 键入组织中要与之共享频道的人员的姓名，并从列表中选择他们。. 若要与组织外部的人员共享，请键入其电子邮件地址，并从列表中选择他们。. 然后选择“ 共享 ...

如果所购买的 Office 或 Microsoft 365 随附有产品密钥，请在你的产品所对应的下列网站中输入产品密钥。. 输入密钥后，便可以下载并安装 Office，或可以续订 Microsoft 365 订阅。. 提示: 通过业务助手获取技术专业知识。. 与我们的小型企业顾问联系，帮助使 Microsoft 365 ...