This article explains how to create a mailing list in Outlook. Mailing lists, also known as contact lists and contact groups, group multiple email addresses under an alias so that you can more easily send a message to all the members of that list. Instructions apply to Outlook 2019, 2016, 2013, 2010, Outlook for Microsoft 365, and Outlook.com.

Mailing lists are called contact groups in Outlook. Follow these steps to create a contact group and then add members to it in Outlook 2019, 2016, 2013, and Outlook for Microsoft 365.

Go to Start and select New Items > More Items > Contact Group.

In the Contact Group dialog box, place the cursor in the Name text box and type a name for the contact group.