You can manage portal users easily by inviting new users, assign the proper permissions, or delete their accounts permanently.
To open user management page, click on the [User Management] option in the drop-down menu.
The below user management page will be opened:
In the users list you can see for each user the username, email address, department, status, signup date, and total uploaded videos.
1- To invite new users to your portal, click on the "Invite Users" button 
2- To download the users information as CSV file, click on the "Download as CSV" button 
3- Change the value in the text box  to control how many users are listed per page.
4- Total count of the portal users are displayed here 
5- Use the search text box  to search and filter the users list
6- Click on "Previous" and "Next" buttons  to navigate through the users list pages
7- Click on the "Permissions" button  to define the user's permissions:
Create Channel: to enable the user define new channels in the portal.
Create Course: to enable the user define new courses in the portal.
Create Event: to enable the user define new events in the portal.
Admin: define the user as system administrator
8- Click on the "Delete" button  to delete the user's account.
9- Click on the "username" link  to open the user profile page: