Properly stored cheese cannot go bad. A 10-20 year old cheddar can be sold for $20+ per pound.
Can it be frozen?
Ooh, nom nom nom - where can I get some?
It should be turned to age right. I remember back when they had the federal “Food Commodity” program. We got blocks of American cheese that was as sharp as extra sharp cheddar because it had been stored so long. It was desirable.:)