Because of its high cheese content, heavy cheesecake also needs to be kept at a lower temperature before serving so that it tastes better when served at a lower temperature, and once it exceeds the room temperature by too much, it will taste greasy and affect your appetite.

Again, heating, whether in the oven or microwave or otherwise, will cause the finished product to change shape, color and texture in a bad way.

If you don't think it's done, then it's not going to help. All baked cakes or breads (with the exception of those baked under water) can be remedied if you find that they are not fully cooked when they come out of the oven for a short period of time (less than 10 seconds), but once they are removed for a longer period of time and start to cool down, they will no longer be perfectly cooked. Not to mention that it's still refrigerated,