Bill, if "the public_html folder" is where it works then yes.

If you are given FTP credentials to get to the server for your site and you need to load into "the public_html folder" then you type in public_html into the Sub-folder box:

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FileZilla does the exact same job.

Your HTML files will be immediately under your public_html folder and index_html_files folder will be there too.
Acorn