We can always encounter unknown file types and it's up to us to look online for something that is capable of opening those files. In certain cases, you may be lucky and find a free application for your unknown files, but in other situations, you may only find expensive pieces of software. A much better alternative is to use File Viewer Plus. This lightweight utility provides full support for over three hundred file formats. Documents, images, media files and even files you may never have heard of can be opened, viewed and, in some cases, edited