How-To Create New User in Office365 From an Administrator Point of View
1. Sign-in https://admin.microsoft.com using an administrator account.
2. Click on Add User under User management on the middle of the screen or click on Users -> Active Users -> Add a user on the left side of the screen.
3. Fill in all necessary fields and check/uncheck all necessary boxes then click Next.
4. Assign any licenses, if needed then click Next.
5. Fill in all necessary fields under Profile info for new user then click Next.
6. Review all information for new user then click Finish adding.
7. Click Close. New user has now been added in Office 365.