Log in with your EKU email username and password in one software or web-based application, and then
Access many other applications that you use throughout the day without having to enter your username and password again.
Without it, you might have a different username and password for different applications that you use. Or, you would be required to type your credentials every time you open a new website or application that required you to authenticate as an EKU user.
Applications that use single sign-on (SSO)
A wide variety of applications at EKU are set up to use the single sign-on process. Here are just a few:
Google G Suite of applications
Office 365 applications