unbox

verb

1. (transitive)To remove from a box.

   “The booksellers' tasks were to unbox, shelve, and handle cash.”

   “Clips in which children’s toys are unboxed are some of the most popular videos on YouTube.”

2. (transitive)To retrieve (a value of a primitive type) from the object in which it is boxed.

   “When a boxing or unboxing operation occurs in code, whether it was implicit or explicit, the IL generated includes the box or unbox command.”