See formats of file

You don't need open original program that you can see also media(avi, mpg, wmv), internet(html, xml), office(doc, xls), image(bmp, jpg, ico, gif, png, wmf, tga, tiff, pcx, psd...) and files format text, binary, hex, unicode (volume un-limited), etc...
You can download program Universal Viewer 1.5 (750 KB) free, open source :
http://www.totalcmd.net/download/php?id=ATViewer.Exe