: Data related to asymmetric civilization design , landmark buildings for advancing ages, and unique unit abilities.

Key features and contents typically found in Age of Empires IV data files or updates include:

: Files for use with the Content Editor , which allows for creating custom maps, tuning packs (modifying unit stats), and new game modes.

: If sourced from the Digital Deluxe Edition , the zip may contain the official soundtrack, a unit counter chart, and digital art.

: Information for core civilizations like the English, Chinese, Mongols, and French , as well as expansion civilizations such as the Ottomans, Malians, Byzantines, and Japanese .