How can I add custom fields?

How can I add custom fields?

You can add custom fields and capture information specific to your business requirements by following the steps below:

Log in to Zoho CRM with Administrator's privilege.
Click Setup > Customization > Modules and Fields.
Select the Module from the drop-down list.
In the List of Modules page, click New Custom Field.
In the New Custom Field page, do the following:

In the Select Field Type section, select the data type.
In the Provide Field Details section, specify the custom field details.

Click Save.

Note:

You cannot customize all the fields but you can edit or replace certain fields.
In Zoho CRM you can delete only the custom fields.