Click on the 'Profile' link located below the breadcrumbs at the top of the page.
Click on the 'Edit Tab'. Enter details about yourself in the form that is displayed.
Full Name - enter your full name.
Email - specify your email address.
Site Homepage - select a homepage for your site using the drop-down menu. This is the default page displayed to you when you login to the site.
Profile Picture - include an image in your profile using the browse option to upload the image file. This file can then be referenced in the profile description using regular Confluence markup.
Information about me - Enter information about yourself that other users can view (such as your professional information, hobbies, and other interests)
Confluence administrators can configure Confluence so that it masks email addresses (e.g. 'exampleUser at atlassian dot com'), protecting it from search engine spiders and the like.