You can open text files, which can be in various formats, from plain text to DOCX. As previously mentioned, you can use this application to open mostly anything. When launched, File Viewer will display a blank user interface, on which you only need to drop a file to open it. The application works on Windows XP and all later versions, up to Windows 8 and it works even on older machines, due to its modest hardware requirements. You can install it in a matter of seconds, without the need to prepare any prerequisite tools or services. The application is free and it comes in a paid version as well, which offers more features. It can open Word documents, images, PDFs, video or audio files, and much more. The application provides support for over 120 file types. File Viewer Lite offers a better solution, regardless of what file extension you come across. When you encounter an unknown file type, you would have to search for a program to open the file and install it on your computer.