Hi chrisb64054279,
Are you referring to files stored in your Acrobat.com online account at https://cloud.acrobat.com/files? If so, what happens when you try to delete the files? Are you receiving an error message?
Please provide a few more details about the issue that you're encountering, including what operating system you're on, and what browser you're using (if any). We'll get this sorted out.
Best,
Sara