If you're an administrator and you'd like to manage your organization's distribution groups, go to the Exchange admin center. Non-administrators who want to manage or join distribution groups can do so by navigating to this portal.

Export Outlook email, contacts, and calendar to move them to another computer or so that you can make a backup of your information.

Share an Outlook mailing list, known as a contact group or distribution list, with other people by including it in the body of an email message.

Synchronization of contacts between your Outlook account and your Apple iPhone or iPod touch requires Apple iTunes. You can configure which items are synchronized during a one-time set up process. After the initial setup, each time that you connect your iPhone or iPod touch to your computer, the changes made on your computer or device are synchronized.

Outlook stores backup files containing email, calendars, contacts, tasks, and notes on your computer. Learn how to find them.

如果尝试将 Outlook.com 帐户添加到 Outlook 或其他邮件应用，可能需要 POP、IMAP 或 SMTP 设置。 可以在下面找到它们，也可以在 Outlook.com 设置 中查看它们。 Outlook 和 Outlook.com 可能能够自动检测帐户的邮箱设置，但对于其他非Microsoft帐户，可能需要联系电子邮件提供商了解其设置。

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

了解如何与最多 5 人共享Microsoft 365 家庭版或Microsoft 365 高级版订阅权益。 管理与你共享 Office 的邀请、设备和人员。

培训：观看并了解如何在 Outlook 中创建电子邮件联系人组，以便你可以通过电子邮件发送组，而不用单独发送电子邮件。