Learn how to manage your Microsoft subscription, including billing, renewal, and cancellation options.

When you start typing in the To, Cc, and Bcc fields in Outlook, you'll see suggestions appear based on what you've entered. Select a tab option below for the version of Outlook you're using. What version of Outlook do I have?

试一试！ 首次使用 Outlook 收件箱，了解各项内容的组织方式。 Outlook 布局概述 “文件夹”窗格中提供有文件夹。

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

若要在 Outlook.com 中获取支持，请单击此处或选择菜单栏上的帮助，然后输入查询。 如果自助服务无法解决问题，请向下滚动到“仍需要帮助？”，然后选择“是”。 若要在 Outlook.com 中联系我们，需要登录。

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

Put people who need to be informed on the Cc line. Put people who need to respond or take action on the To line. Use a signature when appropriate, but keep your signature simple, short, professional, and if possible, free of graphics.

如果要在现有的 Outlook.com 帐户中使用新的电子邮件地址，请按照本文中的说明创建电子邮件别名。 这将为您提供一个额外的电子邮件地址，该地址使用相同的收件箱、联系人列表和帐户设置作为您的主电子邮件地址。

If you think someone might have unauthorized access to your account, we can protect you by signing you out from all of your trusted devices. Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console.

选择“已发送项目”文件夹。 选择或双击邮件，以在另一窗口中打开它。 选择“文件”>“信息”。 选择“重新发送”或“回顾”，然后选择两个选项之一。 选择“回顾此邮件...”以删除或替换已发送的消息。 选择“ 重新发送此邮件...” 以再次发送包含更新内容或更改收件人的选项的邮件。