Would an unopened 2016 bottle of ezy sauce be ok to use?
This has a tomato base and it could be loaded with botulism and you may not know it so do not take a chance even if it looks/smells okay.
Discard it and buy new or use something else instead.
This is to far gone, we are talking about years later! There is some length of time after one's date, but this is entirely to long for safety reasons. Here's why - www.fitibility.com/
That's too old, so I would think not. Best to toss and buy a new one.
I agree with the idea of tossing it out. I think it is too far passed it's expiration date.