Learn about channels in Microsoft Teams. 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.

Delete all your unwanted email or spam to free up space in Outlook.

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。

To stay updated when a SharePoint document or an item on your site changes, create an alert. You can set up an alert for a list, library, folder, file, or list item.

Select Advanced, then under Outlook Start and Exit, select the Empty the Deleted Items folder upon exiting check box.

Learn how to create, use, and manage Microsoft 365 Groups for collaboration, planning, and communication.

注意: 可以使用你拥有的电子邮件地址作为 Microsoft 帐户，或者在注册时选择“获取新电子邮件地址”或“改用电子邮件”来 ...

了解如何在 Outlook 中打开共享邮箱。 共享邮箱允许一组用户通过公用邮箱查看和发送电子邮件、共享日历，并打开联系人列表。

激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 本文将帮助你找出并改正 Windows 中常见的激活错误。

Learn more about premium features in Outlook.com available to Microsoft 365 Home and Microsoft 365 Personal subscribers.