.FOS File Extension

What is a .FOS file?

.FOS is a Game Files extension of a Binary format made by Bethesda Softworks. You can launch .FOS files on Windows.

How to make a .FOS file?

To create .FOS files, you have to use Bethesda Softworks Fallout 3 or any other program from the list below. You can download programs for Windows from official sources. .FOS file editor download is also available on its official web page. To learn more about .FOS file launcher and its alternatives, visit the program official web site.

How to open .FOS files?

You must have one of the programs that can open .FOS files. After the installation of the .FOS file viewer, you will be able to open all .FOS files.