Hello! @darlneh
Welcome to the LastPass Community.
If you are looking to change your email address on file, please access your account using a computer, once in your vault , please go to the bottom right corner click on Account Settings, General Tab, then go to Login Credentials > Account Email, change the email address on file and click on Update at the bottom of the page, you will get a verification email before the process finish.
Please let me know if you need additional help.
Greetings!
Verlaine | Customer Care
