Online banking has been a key feature for Washington Mutual customers in the past. They offered a user-friendly online platform that allowed customers to manage their accounts, pay bills, transfer funds, and perform various banking transactions from the comfort of their homes. Customers could securely access their savings and checking accounts, view transaction histories, and monitor account balances. However, specific details regarding the online banking services, including current offerings, features, and access procedures, may vary. It is advisable for customers to visit the official Washington Mutual website to explore the current online banking options available. This will ensure that they receive the most accurate and up-to-date information on how to access their accounts online and any services that may be offered at this time.