info.xml contains the description that the mod author added to the mod, and script.cs is the install script. If you open the fomod folder, you will see at least two files, info.xml and script.cs, though there may very well be more.

This is because that a fomod is “just” a zipped fomod ready mod with the file extension changed to. Try to rightclick a fomod file and chose 7-zip->Open Achive, you will see that it contains the mod files and a fomod folder – just like a fomod ready mod. This xml file contains the information on what were installed, so do not tinker with it! The first thing you will notice is that next to the installed fomod files, there is an xml file with the same name. The FOMOD file formatīrowse to your Fallout 3/fomm/mods folder. To use this tutorial, you will need 7-zip. Thus, it is mostly interesting for the mod author, though the mod user may find some parts of it interesting. This tutorial will investigate the FOMOD file format and how you can make your own. The first tutorial focused on how to use the Package Manager from the mod users point of view. This is the second tutorial in a series on how to get the most of the Package Manager in Fallout Mod Manager.

Fallout mod manager