After scanning process, you can preview the file before it could be recovered. To preview the file, double click on the file whose preview is to be seen. this will display the preview of the file as below.
Image File Preview

Figure a : File Preview
To view the image file properties click "Image properties" tab in Preview window(See Figure a). This would display the properties of selected image file.
If preview is not available this doesn't mean that file is not recoverable. There are many reasons why a file will not be shown in preview but it is still recoverable. If you need to recover a file and it fails to show the preview, you should still proceed to recover the file.