Problem with CSV: It is rare for a CSV file to have an error with downloading. Typically, an error occurs due to a campaign having many influencers or posts. Contact your account manager to assist you if this is not the case.
Problem with Powerpoint: If you are having issues downloading a PPT file, ensure you have the latest version of PowerPoint installed. The file's standard error is too large if your PowerPoint is up to date or using Google Slides. If this happens, contact your account manager, who can download the file from their end and send it to you.