How to turn a Google Group into a user

Problem

How to turn a Google Group into a user account.

Environment

Solution

This is working to product specification, it is not currently possible to turn a Google Group into a user account. This is a workaround available:
  1. Rename the Google Group (change its email address).
  2. Delete the group's email alias associated with the renamed group.
  3. Create a new user with the desired email address (the group's original address).
  4. Create a routing rule in a way all messages sent to that address are also delivered to the group members.

Cause

Let's refer to the following articles: