This file is NOT found in the fallout3 folder in the BethesdaSoftworks folder. esms in the GECK, you need to change this setting in the GECKCustom.ini file:
esms, you can use FOMM or FO3Edit to convert an. The main practical difference is that without Version Control or GECK Extender, GECK will not create master files. Master files and plugins are largely identical in format, but have some important distinctions in practice.
(However, not all game data files are master and plugin files. The GECK is the tool we use to view and edit master files and plugins. A master file acts as a database of all of the data for the world, including object data, dialogue, gameplay settings, object placements, AI settings, landscape, script commands, cells, etc. esp - ie, Fallout3mod.esp) are the core data files of Fallout 3.
esm - ie, Fallout3.esm) and Plugin files ("TES files" or "mods" for short - files with.