If you have Iscte account credentials in the format xxnes@iscte-iul.pt and the corresponding password, click on “login.iscte-iul.pt” and log in using your Iscte account credentials (e.g., xxnes and the corresponding password).
In the “ISCTE.solutions” tab, select “Personal Area” → “ISCTE Contacts” → “View Contacts”.
Choose the type of contact (Offices, Telephone Extensions or Lockers) by clicking on the respective tabs.
Click on the ‘Make Default’ option in the line of information you wish to make preferred.