Step 1 - Go to the "User" section and click "Manage Users" icon.
(see screenshot)

Step 2 - After completing Step 1 you have two options: either to click the "Edit" icon and to edit the user information or to delete the user by using the "Del" icon.
(see screenshot)

IMPORTANT: In the "Manager Users" section you can see the services installed to every user and its quota!

Please make sure that you are viewing the screenshots in their
original sizes as there is possibility that your browser is resizing
the images!!!

If you have more question regards this matter, please contact our
support team