Its best to keep it in the bag. What happens is that the bag "deflates" as its used. Thus no air or bacteria or mold will have a chance of getting in. If you put it into other containers it can get moldy despite preservatives. Id go by the best by date.
Secondary: GF Czech Lager
Waiting to be kegged, Italian Primitivo
Kegged&Ready: GF Orange&Coriander, GF Honey Lager, GF chocolate ale, GF English ale, Island mist (zinfandel), Island mist (cbry malbec).
Bottled: Infected Mead, Dry Hard ciders, Accidental Sorghumwine, various unnamed.