LastPass User Manual An easy to understand guide on how to use LastPass.

Changing Your Account Email

It's easy to switch the email address attached to your LastPass account; no need to delete your account and start over.

You must login to LastPass from the website (https://lastpass.com):

Then launch your Account Settings dialog from the left-hand menu:

You can change your email or Master Password (you'll be prompted for your current Master Password to do so):

You can also change your Master Password from the LastPass Icon, you can go to LastPass -> My LastPass Vault:

From within your local Vault, click on the More dropdown menu and select Change Password:

LastPass cannot change your email or Master Password for you.