: This is the industry standard. To download everything, connect to your server, select all files and folders in the remote pane (Ctrl+A), right-click, and select "Download." It handles the nested folders and keeps the structure intact.
If you are comfortable with the terminal or need to script the process, these tools are significantly more powerful for "mirroring" a server. Wget: The Best "Set and Forget" Tool ftp download everything
wget is built for recursive downloads. It can crawl through every subdirectory and pull every file. : wget -m ftp://username:password@server.com/ : This is the industry standard