How to get a list of users who don’t belong to any organization

Overview

How can I get a list of users who don’t belong to any Organization (including their email addresses)?

Conditions

•  Enterprise account
•  Administrators only

Procedure

There are two ways to accomplish this request, however only the first one will provide email addresses of the users. 

Option 1: 

You can create a Customer List with the following filters:

• Role is End User
• Organization is (leave blank) 

Option 2: You can create a custom report in Insights.

• Select How: Organization filtered to (empty value​)
• Select How: User
• Select How: User role (filter by end-user if you do not want to include agents):