Instructions for creating a Site Mailbox for a site in SharePoint 2013.
This article provides step by step instructions for creating a Site Mailbox for a site in SharePoint 2013.
Please make sure your on premise environment is configured according to the How do I setup Site Mailboxes in SharePoint 2013 article. If you are using Office 365 the environment is already configured for Site Mailbox support so you can follow the steps in this article without doing any prior setup tasks.
This article also details how to add additional Document Libraries to the Site Mailbox so they are synchronized and available to users in Outlook.
The entire process should take around 10-15 minutes, depending on your environment.