.BIG File Extension Information

What program uses .BIG file extension?

Program : Home World 2 SGA Archive
Program Website: Home World 2 SGA Archive
Company : Relic Entertainment Inc.
Company Website: Relic Entertainment Inc.

Extensions starting with

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | #-0-9