In the MO2 description it says it wont work with fo3 fnv ect and then i scrolled down a little more and it said it works with fo3 and nv so im confused on what to use should i use the old MO or MO2? Showing 1 - 6 of 6 comments. Home Discussions Workshop Market Broadcasts. Mod organizer 2 fallout 3 Mod organizer 2 fallout 3 On by Kat