You can generate a report on users who are active in more than one group. Such a report will present you with the user details, their role, the groups they belong to, and the rule method for the respective group.
- Go to Manage → Analytics.
- Choose 'List of users active in more than one group' from the sidebar.
- You will be shown a report based on the users who are active in more than one group.
- Click on PDF/CSV/Excel to view the report in the respective format.