GBX file is used as a container file to store the data related to any specific game. The file can store any type of game data in it and there is no limitation on the type of data being stored in this file type.

Initially this file format was used as text file and now the file is formatted as binary data. This allows the user to access a specific information in large amount of data in minimum possible time. Generally the file is divided into three sections; header, reference table and body. The data of the file is stored in body section.