If you've lost the recordings for the application, then I recommend reinstalling a recovery solution. Luckily, there are free ones available for this procedure. For example, you can the install Recuva application. Download, install the package, then launch it and use the Wizard to configure the scanning parameters. Make sure to choose the partition where files were stored and the file type, then enable Deep Scan. Once you find the files, right click them and choose another location for restore.