This guide demonstrates how you can update or delete the credentials saved in Single Sign-on applications.
Click on the blue My Apps Secure Sign-in Extension icon in the top right corner of your web browser.
Select My apps.
This will bring you to a page listing all your Single Sign-on applications. Hover the app and click on the three dots in the top right-hand corner.
Select Manage your application.
Click on the Accounts tab. Then click the edit icon under "Accounts I Manage"
Enter your username in the 1 * field and enter your new password in the 2 * field.
You will see a message saying your account info has been edited successfully.