Users will be able to restrict number of form instances on a form type via a form setting.
Set the “No of Form Instances allowed” form setting to required number of instances
Default value is blank which means infinite.
Maximum number of instances that can be specified for restriction
is 9999
Useful Links:
Manage Form Setting within Project
Import XLS file to the form on creation
Import XML file to the form on creation
Email in XLS file to Asite to Create Form