Type: It is the table where want to import data.
Columns: Enter the names of the columns separated by comma. This should match with the ordering in the CSV file.
CSV File: Upload the CSV file. The CSV file should not contain ID column as it is automatically generated.
Available Columns: This is for reference. It contains all the columns available in the table.
For Users, the first column should contain email address.
If your CSV file contains name or other custom fields, enable custom fields option.
Increase PHP Max Execution Time to import large amount of data.