Click on users on the left panel
Click on the user you want to change.
Click impersonate on the bottom right.
Click the user name on the top right > My profile
Update the email address
Save
Sign Out
Click on users on the left panel
Click on the user you want to change.
Click impersonate on the bottom right.
Click the user name on the top right > My profile
Update the email address
Save
Sign Out