Properly stored, boxed chocolates will last for about 6 to 9 months at normal room temperature. When exposed to overly warm or humid temperatures, chocolate may develop a white film - this affects appearance only; the chocolate will still be safe to eat.

Does boxed chocolate expire?

For best results, store boxed chocolates at a moderate room temperature. ... Stored under those moderate temperatures, most types of boxed chocolates will retain their quality for at least 6 to 9 months, even after they been opened. It is shorter for chocolates filled with creams and caramels.

How long does it take for packaged chocolate to go bad?

As long as the package of the chocolate bar is unopened, dark chocolate should be fine for at least two years, white and milk ones for a year. Once the package is opened, dark chocolate should be of great quality for a year, white and milk ones for maybe 8-10 months.