If you’ve bought a few containers of flour too much and you realize that you need to store them for a couple of months you probably start to ask yourself: “does flour go bad?“. Unfortunately, just like almost any other food, flour does go bad. Depending on the kind of flour and how it’s stored, it might take from a couple of months up to a year or even more. What you need to know, is to how to store flour so it can stay fine for as long as possible. The first thing you need to remember is that flour must not be kept anywhere near moisture.