To use secure FTP (SFTP) software on a PC, we recommend CoreFTP
For a Mac, we like Cyberduck
Both of these support the secure FTP port 22 using SSH to encrypt data in transit.
When using, be sure to click the box that says “SFTP” which accesses the secure port 22.
OLI’s Secure FTP Hosting clients also have access to an SSL web-based FTP, or Web-FTP.
No changes are needed to your FTP folders to use secure ftp, you simply use one of the above methods to access them.