.PAK File Extension

File Type 1

Video Game Package

Developer N/A
Popularity
4.1  |  758 Votes
Category Game Files
Format Binary

What is a PAK file?

A PAK file is an archive used by video games such as Quake, Hexen, Crysis, Far Cry, Half-Life, and Exient XGS Engine games. It may include graphics, objects, textures, sounds, and other game data "packed" into a single file. PAK files are often just a renamed .ZIP file.

More Information

PAK files are primarily used by video games but may also be used by other applications such as the Google Chrome web browser. The format for a PAK file used by one game may differ from the PAK format used for a different game. Therefore, you may have to try multiple programs before opening your PAK file.

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Programs that open or reference PAK files

Windows
Linux
Updated June 3, 2019
File Type 2

PAK (Packed) File

Developer N/A
Popularity
3.8  |  228 Votes
Category Compressed Files
Format Binary

What is a PAK file?

Compressed archive format originating from DOS that can contain many files; data in a PAK file may be compressed or uncompressed, but is usually compressed using ZLIB compression.

Programs that open or reference PAK files

Updated November 18, 2016
File Type 3

Simutrans Object File

Developer Simutrans
Popularity
3.8  |  89 Votes
Category Game Files
Format Binary

What is a PAK file?

File used by Simutrans, a free transportation simulation game; contains game object graphics and properties; compiled from a plain text ".dat" data file and a source .PNG image; used for game vehicles, buildings, terrain, and other objects.

More Information

To modify Simutrans objects, users typically don't edit the PAK files directly. Instead, they usually download the source DAT and PNG files used to package a PAK file, modify the files, and then re-pack the contents into a new PAK file. PAK files are built using the MakeObj.exe program.

Programs that open PAK files

Windows
Mac
Linux
Updated February 9, 2018
File Type 4

Skype Language Settings Package

Developer Microsoft
Popularity
3.9  |  28 Votes
Category Settings Files
Format N/A

What is a PAK file?

A PAK file is a package used by Microsoft Skype, a popular online video and audio communication program. It contains user interface (UI) settings in a particular language, such as English, Spanish, and French, that are applied to the Skype UI based on the locale of the user. PAK files are only used by the Windows version of Microsoft Skype.

More Information

PAK files are referenced by Skype and are not meant to be manually opened. PAK files can be found in the following directory in Windows:

C:\Program Files (x86)\Microsoft\Skype for Desktop\locales

NOTE: Language settings are stored in .LPROJ files in macOS.

Programs that open PAK files

Windows
Updated June 3, 2019
File Type 5

Gogii Games Package

Developer Gogii Games
Popularity
3.0  |  2 Votes
Category Game Files
Format N/A

What is a PAK file?

A PAK file is a package that contains resource files for video games developed by Gogii Games. It stores files, such as .PNG images or .MP3 audio, compressed in a proprietary format. Princess Isabella: The Rise of an Heir and Escape the Museum are examples of games that use PAK files.

More Information

Since forming in 2006, Gogii Games has developed games for various platforms, including Windows, Mac, Android, and iOS. The company utilizes a proprietary package format in many of its offerings. The package format uses the .pak file extension, which is also used by packages distributed in other games.

Most gamers will not encounter PAK files, since they are buried in a game's directory. However, gamers looking to modify a game may attempt to extract resources from a PAK file, alter them, and then re-package them in the PAK file.

Common PAK Filenames

data.pak - Name given to the main PAK file that stores resource files for a game. The file is typically very large.

How to open a PAK file

PAK files are not meant to be opened. Instead, they are referenced and loaded by the Gogii Games video game in which they are included.

Programs that open or reference PAK files

Updated March 8, 2022

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