If your apple (or any fruit) pie has sugar in it, it does not need to be refrigerated for up to two days, after that make sure it's well covered and then refrigerate for up to 2 more days. Pies with eggs or cream (like pumpkin or u003ca href=u0022https://www.thefreshcooky.com/mini-chocolate-french-silk-pies/u0022u003eFrench Silk Piesu003c/au003e require refrigeration.