How to recover deleted files (pictures, videos and Excel files) from usb flash drive and external hard drive

Use “Undelete” to recover deleted files (pictures, videos and Excel files) from usb flash drive and external hard drive

Use “Full Scan” mode to recover deleted files (pictures, videos and Excel files) from usb flash drive and external hard drive which can not be found with “undelete” ,show as raw partition,partitons which are not NTFS,nor exfat,nor fat32. With deep and full scan