How many custom fields in Zoho CRM is dependent on two factors. Firstly it depends on which Edition you are using: Free Edition: No custom fields Stand Edition: 10 fields per module Professional Edition: 155 fields per module (Note: Activities module ...
Zoho CRM Enterprise Edition allows to have a maximum of 300 custom fields be module. However different field types have individual limits, i.e. how many you are allowed per module. The key fields are as follows: Field Type Field Limits String Fields ...