Windows 设备上的用户帐户名称显示已登录 Microsoft 帐户或工作/学校帐户的名称。 若要更改登录的用户，请选择任务栏上的 ...

在 https://teams.microsoft.com 查找 Web 上的 Teams。. 若要使用 Teams，需要一个具有商业或企业 Microsoft 365 许可证计划的 Microsoft 365 帐户。 有关详细信息，请参阅如何访问 Microsoft Teams。. 有关 Web 上 Teams 支持的浏览器的信息，请参阅 Microsoft Teams 的 Web 客户端。

Learn how to filter the contacts in the People app on your Windows 10 PC so you can see all of your Skype contacts.

使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.

可以使用拖放功能打开使用 windows新版 Outlook 中的扩展名 .eml .msg .oft 保存的电子邮件。

Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.

在 Outlook 中查找电子邮件地址？ 使用 "搜索通讯簿" 框。

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.