.CON File Extension
File Type 1Battlefield 1942 Configuration File
File used by Battlefield 1942, a World War II first-person shooter game; saved in plain text and contains configuration information for the game, including video and input control settings; often used for fine-tuning game "mods."
Common CON files include video.con, videoDefault.con, maplist.con, and maplist.con.
File Type 2Concept Application Source File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
Source file of an application written for the Concept Application Server; allows bi-directional communication between the user and the server.
Can be accessed with a Web browser if the Concept Client (included with the Concept Server package) is installed. Concept URLs begin with "concept://" such as: