This article explains how to send an email to every person in your Outlook address book. The instructions in this article apply to Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010, and Outlook for Microsoft 365.

You can easily email everyone in your address book by adding all of your contacts to the Bcc field.

Go to the Home tab and select New Email to start a new message.

In the new message window, select To.