To change or edit the user email address, please follow the below steps:
1. Navigate to Settings (top right corner)
2. Under Marketplace > Zoho
3. Click on Zoho Directory and then click on "Configure"
4. Click on the "View" option within "Sign-in Activity"
5. Click on "Users" and Select the required User
6. Click on "Manage Email Address"
7. Click on "Add Email" and enter the new email id
8. Click on "Add" to add a new email ID and make it a primary email ID by clicking on a star icon and then click on "Add"