Microsoft Office Outlook是微软办公软件套装的组件之一，它对Windows自带的Outlook express的功能进行了扩充，Outlook的功能很多。
Outlook.com is a free, personal email service from Microsoft. Keep your inbox clutter-free with powerful organizational tools, and collaborate easily with OneDrive and Office Online integration.
Outlook邮箱是 Microsoft 提供的免费个人电子邮件服务。 其附带的强大组织工具可以帮助您的收件箱保持整洁，并且可以方便地与 OneDrive 和 Office Online 集成。
Outlook.com is a free, personal email service from Microsoft. Keep your inbox clutter-free with powerful organizational tools, and collaborate easily with OneDrive and Office Online integration.
