Click the "Download Sample Template" icon. Once downloaded, replace the 1 sample entry for "John Smith" with your own borrower data. Please make sure you keep the header row as it is. Make sure you do not keep the row with the sample entry of "John Smith". Once you have finished, save your file as a CSV file with a unique name of your choice.
At the moment, the fields in the sample template are the only fields that can be bulk-imported for the borrowers.