.AGE3XSAV File Extension
File TypeAge of Empires 3: The WarChiefs Save File
What is an AGE3XSAV file?
Save file used by Age of Empires 3: The WarChiefs, an expansion pack for the real-time strategy game series; contains game progress, such as resources, buildings, and settlers.
AGE3XSAV files are located in the \My Documents\My Games\Age of Empires 3\Savegame\ directory.