Restorer Ultimate has a built-in previewer to preview both existing and deleted files before their actual recovery. This feature is especially useful to estimate chances to recover files successfully.
To preview a file
or control-click the file on the Contents pane and select Preview on the contextual menu,
If the previewer cannot recognize the format of the file it will be opened in the Text/Hexadecimal Editor.
If you have several files open in the previewer, you may instantly close all of them by selecting Close All Previews in the contextual menu of the Contents pane.