I use Nexus Mod Manager and lately happened when I started vanilla Skyrim launcher it messed up the order of my installed mods.

So I would like to ask - where Skyrim stored information about active mods and their order to be able to make a copy of that file?

I use Nexus Mod Manager and lately when I start the vanilla Skyrim launcher it messes up the order of my installed mods.

So I would like to ask - where does Skyrim store information about active mods and their order, and is it possible to make a backup copy of that file or files?