I dont see any PDFS on the download, just junk files I cant use - like

I dont see any PDFS on the download, just junk files I cant use - like css.

As the guide states, the tool should download only a CSV  file with the submissions and the files as zip: 

"With our Data Export feature, you can download all of your forms as HTML files, your submission data as a CSV file, and uploaded files, all in a single .zip file."

Thanks.