To edit the freight estimator login first go to the "Freight" tab.
Next select your preferred freight company under the "Estimator" menu at the top of the window.
If you have not set up the selected freight company previously you will be prompted to enter your login credentials.
If you are not prompted click the "Log In" button in the lower right hand corner of the window to enter or change the login credentials for the selected company.
Changing the freight estimator login is a permission based privilege. Only admin level users or ones who have had the privilege added to their role will be able to make changes to the freight estimator login.
To adjust privileges associated with user roles please see the following article.
How Do I Setup & Apply New Roles?