XfilesPro, a leading external file storage & collaboration solution for Salesforce is now supporting Salesforce Professional license Orgs. With XfilesPro, upload & collaborate unlimited Salesforce files of any size to an external Cloud (AWS, Google Drive, OneDrive, Dropbox) or On-premise (FTP, SMB Windows Share, FILE) storage system & save high Salesforce file storage costs using XfilesPro. Check the app in the AppExchange for more details: https://sforce.co/2XTDQRT