No, you cannot edit the email address of the users. The users have to edit their email address themselves. The users can change their email address by following the steps given below:
- Log in to http://accounts.zoho.com.
- In the Home page, click My Profile Info and select Email Address.
In the My Email Address page, click Edit to change the corresponding email address.
Enter the new email address and the password of the account you're currently logged into in the corresponding fields.
Click Update.