The Archive is a promotional EP by American rock band Imagine Dragons, released for a limited time on February 12, 2013 on the United States iTunes Store through KIDinaKORNER and Interscope. The EP was released as a forerunner EP to sell tracks from the then-upcoming deluxe edition of the band's debut studio album Night Visions before it was released in the United States. Once the deluxe edition of the album was released in the United States on April 2, 2013, The Archive was taken down from the store permanently, being up for 48 days on the iTunes Store.

...
Wikipedia