If you need to change your current ManageCasa password, click the 'Forget Password?' link on the Sign In page (or click here www.managecasa.com/signin).
Next, enter the email address registered to the account and press 'Send Reset Password Link'.
You will receive an email with a button and link to reset your password.
You can also reset your password from inside your ManageCasa account. Simply navigate to the settings tab on the left navbar and click 'reset password'. Here you can enter your current password and enter a new password twice and save.