How do I update the primary email address in Vtiger CRM from my Preferences page?

Follow these steps to change the Primary email:

1. Log in to your CRM account.
2. Click the User Menu on the top right corner of the CRM screen.
3. Click My Preferences. The My Preferences page opens. 
4. Click the More icon on the top right corner. 
5. Select Change Primary Email. A change Primary Email window opens.
6. Enter or select the following information to change the primary email address:
   1. New Primary Email - Enter the new primary email address. 
   2. Confirm Password - Enter your current password to authorize the change.
7. Click Save.