RE4 is a unique file extension native to Resident Evil 4 computer game. RE4 files store vital information used by the game’s engine during gameplay. RE4 is a binary format and cannot be converted into other formats.

Resident Evil 4 was developed by Capcom and gained a lot of popularity among gamers. Players control their character form third-person perspective and their main goal is to survive in a remote, zombie-infested village. The game was released in 2005r.