PK3 File - opening and understanding

Did your computer fail to open a PK3 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .PK3 files.

What is a PK3 file?

Files that contain the .pk3 file extension are most commonly associated with the Quake III gaming application, although other software games have also been known to use the PK3 file format.

The PK3 files that are used by the gaming software contain compressed game data files. These files store a variety of game details that are used by the game engine, such as the terrain maps, textures, audio clips and other data that is used by the computer in the play of the associated computer game.

The PK3 files on a user's computer can be manually modified in order to customize the content of the game.

Other popular gaming software that uses the PK3 file format include Star Wars Jedi Knight II and Soldier of Fortune II.

How to open PK3 files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension PK3 for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different PK3 openers which you will find listed below.

Suggest another file format using extension PK3

While we know of one file format using the .PK3 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .PK3 file.

Various viewers for this file format

These apps are known to open certain types of PK3 files. Remember, different programs may use PK3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

WinRARWinRARUser submitted
PowerArchiverPowerArchiverUser submitted
FilzipFilzipUser submitted
Quick ZipQuick ZipUser submitted
IZArcIZArcUser submitted
SkulltagSkulltagUser submitted
ZandronumZandronumUser submitted
AverZipAverZipUser submitted
Ashampoo ZIP ProAshampoo ZIP ProUser submitted
ZipItFastZipItFastUser submitted
We have not verified any software that we know for certain will work with PK3-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with PK3-files. If you know one, please use the 'Suggest a program' link below and tell us about it!