Change your name
To change your e-mail display name:
1) Log on as the primary user. 2) Go to Settings from Web Home. 3) Choose Mail. 4) Select Your name in e-mail. 5) Type in the new name.

To change an e-mail name for a secondary user, follow steps 1 and 2. Choose Extra Users, and then select the secondary user whose display name you want to change. Enter a new first and last name and choose Done.