There are three options available to Office 365 administrators for managing user accounts. These are:
To manage users via the Microsoft Online Portal the first step is to log in to http://portal.microsoftonline.com with your administrative credentials.
On logging in to the Admin interface, you will be able to create new users by using the Add new users shortcut or by clicking on the Users menu under Management:
As highlighted in Chapter 2, Getting Familiar with the Office 365 Admin Portal, the Users page is also where existing users can be modified ...