The Mass File Download App has an additional feature for file tracking downloaded files i.e. "Downloaded Files Tracking". This feature will help you track all downloaded files, attachments, notes, static resources, documents, and event logs, providing visibility into completed downloads.
If you would like to learn more about this feature, please visit the following link: Downloaded Files Tracking
PS: View Mass File Download, Salesforce file download app on Salesforce AppExchange: https://appexchange.salesforce.com/appxListingDetail?listingId=a0N3A00000EcsAOUAZ