FileInfo.com


.PK3 File Extension


File Type Id Software Game Mod File
File Format File
Common? No
File Description Compressed game data file used by Id Software games, such as Quake III and Return to Castle Wolfenstein; also used by other 3D action games such as Jedi Knight and Soldier of Fortune 2; may contain custom maps, textures, audio clips, or other data used for modifying gameplay.

Quake III PK3 map files should be saved in one of the following directories: "quake3/q3ut3/," "/quake3/baseq3/," or "/quake3arena/q3ut3/."

PK3 files are similar to .PAK game data files, but are based on a newer format; the contents of a PK3 file can be extracted using a file decompression program such as Corel WinZip or PKWARE PKZIP.
Program(s) that open pk3 files Windows: Mod Editor; PakScape PK3 Navigator; Referenced by various 3D action games

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/pk3