According to Eatbydate.com, cheesecake usually has a sell by date, which is simply the last date that it should be sold, or a best by date which the manufacturer sets to guarantee product quality, not a date by which the product must be consumed. And because of this distinction, you may safely enjoy it even after its sell by date or best by date has lapsed.
The shelf life of cheesecake is influenced by a variety of factors, such as the type of cake, the preservatives used, the packaging date and how it is stored. When properly stored at or below 40°F, it is good for:
How Long Does Cheesecake Last? Shelf Life, Storage, Expiry via kwout
Cheesecake should never be a source for anything except pure bliss. Not distress. Not frustration. Certainly never tears, just dreamy, decadent, nonstop bliss. Check out this step-by-step recipe from Thekitchn.com that will help you make a creamy, no-fail cheesecake that is everything you ever dreamed it could be.