Only website administrators can change users’ email addresses and usernames. You cannot make these changes from your own account.

As a website administrator, follow these steps:

1. Click Admin in the top left of the toolbar.
2. Then go to Users > Users.
3. Click the user’s username, shown in blue.
4. In the window that opens, you can change the user’s email address and username.
5. Finally, click Save at the bottom: