ESS is the extension given to files associated with certain parts of the action RPG series The Elder Scrolls (Skyrim, Oblivion, and Morrowind). ESS is a file used to store saves. This solution allows you to save the progress made by the player in the game and continue it at a later time.

The Elder Scrolls is a series produced by Bethesda and released on platforms such as Microsoft Windows, Xbox 360 or Sony Playstation 3.