OpenWith.org provides a free desktop utility that integrates itself with your shell context menu. Whenever you come across a file type you don’t recognise simply right click on the file and select "OpenWith.Org - How do I Open This?"
OpenWith.Org Desktop Application will open and display a list of applications installed on your computer which can open the file. If it doesn’t detect any supported applications on your system it will provide you with download links for required applications (freeware).
Its verys simple to use and really a good tool for those who doesn’t know how to open unknown files.
