When creating a new ZOHO CRM User, they have the option to update their own personal information in their account
1. Updating your own personal settings
a. Access your Account by Going to Setup> General>
Personal Settings in the top right hand corner of any screen in your CRM
b. Once in Personal Settings you can update User Information, Address Information, Social profiles, Local Information, Signature, Display Format and Preferences, Themes
c. Click Save at the bottom of the page.