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# 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
5 File Associations

.PKG File Extension

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File TypePlayStation Store Downloaded Package
DeveloperSony
Popularity
3.9 (56 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files
File Format Description

File downloaded from Sony's PlayStation Store, an online store with games, movies, and demos for PS3 and PSP devices; used specifically for downloadable games, game updates, and demos; saved in an encrypted format that is only recognized by compatible Sony devices.

Packages downloaded from the PlayStation Store can be transferred to a PSP or PS3 via USB, Memory Stick, or a network connection.

Program(s) that open .PKG files
Microsoft Windows Logo
Windows
Icon Transfer to a Sony PS3 or PSP
Mac OS X Logo
Mac OS
Icon Transfer to a Sony PS3 or PSP
Updated 1/8/2009

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File Type
This file is saved in a zipped format.
You can view the contents by unzipping it with a file decompression program.
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CoCreate OneSpace Modeling Package File
DeveloperParametric Technology
Popularity
3.6 (7 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
Category3D Image Files
File Format Description

File created by CoCreate software programs, which are used for 3D modeling; contains the files for a 3D model in a compressed format; used to reduce the size of a model design for transferring over the Internet.

PKG files in Modeling 2005 or earlier use proprietary and CPIO (.CPIO files) compression. PKG files in Modeling 2006 and later use Zip compression.

NOTE: CoCreate OneSpace Modeling is now known as CoCreate Modeling. It was also previously known as OneSpace Designer Modeling and SolidDesigner.

Program(s) that open .PKG files
Microsoft Windows Logo
Windows
Icon Parametric Technology CoCreate Modeling
Adobe Acrobat Icon Adobe Acrobat XI
Updated 3/31/2010

Mac OS X Installer Package Icon
File TypeMac OS X Installer Package
DeveloperApple
Popularity
3.5 (6 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCompressed Files
File Format Description

Package of compressed installer files used to install a software program; commonly used for installing software in Mac OS X; may be installed individually or referenced by an installer script included with the software.

Double-click the package to install the files. Right-click (Control-click) and select "Show Package Contents" to view the files stored in the package. Apple Installer is the built-in utility for opening PKG files included with Mac OS X.

Program(s) that open .PKG files
Mac OS X Logo
Mac OS
Apple Installer Icon Apple Installer
CharlesSoft Pacifist Icon CharlesSoft PacifistExternal Link
Updated 1/23/2012

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File Type
This file is saved in a plain text format.
Therefore, you can view the contents of the file in a text editor.
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Symbian Package File
DeveloperNokia
Popularity
3.0 (5 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategorySettings Files
File Format Description

Package created for Symbian OS devices; contains instructions that are required to create a .SIS file, including the vendor name, software dependencies, and application files to copy; stored in a plain text format.

PKG files are used to build a SIS file with the "makesis" command, which is part of the CreateSIS utility.

Program(s) that open .PKG files
Microsoft Windows Logo
Windows
Icon CreateSIS
Icon Easy SIS CreatorExternal Link
Icon UnSISExternal Link
Updated 4/14/2010

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File TypeMidtown Madness 2 Model File
DeveloperMicrosoft
Popularity
2.8 (4 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
Category3D Image Files
File Format Description

Game data file used by Midtown Madness 2 (MM2), a 3D racing game; saves a 3D model of a car; located within .AR game archives and can be edited with ZModeler.

Program(s) that open .PKG files
Updated 1/29/2013