.PKG File Extension

PKG files exist as 7 different types. Please find information about each of them below.

Type 1: Symbian Package File

Software such as CreateSIS and Easy SIS Creator needs instructions in the form of PKG files to build Symbian OS installer SIS files. These plain text PKG files define application languages, vendor nam...

General Information

Title PKG File Extension
Extension .pkg
Full Form Symbian Package File
File Type Installation Script
Developer Symbian Ltd.
MIME Type text/x-epoc-x-sisx-app

File Function

Primary Function Install applications
Additional Functions Define components, dependencies
Features Text-based, Script instructions

File Characteristics

Quality Script-based
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

Application Installation Yes
Package Creation Yes
Software Distribution Yes

Security and Practices

Security Risks Malicious code
Best Practices Validation, Signing

Historical/Version Information

Initial Release 1998
Latest Version Symbian Belle (2011)

Associated Types

Similar Extensions .sis, .sisx

Software Compatibility

Software Usage Policy OS Compatibility
Symbian SDK Free Windows
Carbide.c++ Free Windows
makesis Free Command-line tool
Ensymble Free Python script

Type 2: PlayStation Store Downloaded Package

A PKG file comes from the PlayStation Store. It holds games, movies, and demos for PS3 and PSP devices. Devices save PKG files in an encrypted format. Only compatible Sony devices recognize the format...

General Information

Title PKG File Extension
Extension .pkg
Full Form PlayStation Store Downloaded Package
File Type Package File
Developer Sony Interactive Entertainment
MIME Type application/octet-stream

File Function

Primary Function Store content
Additional Functions Install games, updates
Features Encrypted, Compressed

File Characteristics

Quality High
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Game Installation Yes
DLC Deployment Yes
Software Updates Yes

Security and Practices

Security Risks Piracy, Tampering
Best Practices Official downloads, Secure network

Historical/Version Information

Initial Release PS3 era
Latest Version PS5 compatible

Associated Types

Similar Extensions .pup, .sfo

Software Compatibility

Software Usage Policy OS Compatibility
PlayStation 3 Device-based PlayStation OS
PlayStation 4 Device-based PlayStation OS
PS Vita Device-based PlayStation OS

Type 3: macOS Installer Package

To open .pkg file, double-click on it. Installer will guide through installation. To install .pkg file on macOS, use Apple Installer or Terminal. Double-click file for Installer. Use command "sudo i...

General Information

Title PKG File Extension
Extension .pkg
Full Form macOS Installer Package
File Type Package File
Developer Apple Inc.
MIME Type application/x-newton-compatible-pkg

File Function

Primary Function Software installation
Additional Functions Distribution, Storage
Features Compressed, Bundled

File Characteristics

Quality Highly structured
Supports Layers N/A
Supports Transparency N/A
Editable Limited, With tools

Use Cases

Software Installation Yes
System Updates Yes
Application Bundling Yes

Security and Practices

Security Risks Malicious code
Best Practices Signed packages, Gatekeeper

Historical/Version Information

Initial Release 2001
Latest Version Varies with macOS

Associated Types

Similar Extensions .app, .dmg, .mpkg

Software Compatibility

Software Usage Policy OS Compatibility
Apple Installer Built-in macOS
Pacifist Paid, Free Trial macOS
Suspicious Package Free macOS

Type 4: Midtown Madness 2 3D Model

A PKG file is a geometry file for Midtown Madness 2. It is used in most objects except roads in cities. The PKG file structure has a "PKG3" header and PKGFile arrays. We have free online PKG file ap...

General Information

Title PKG File Extension (Midtown Madness 2)
Extension .pkg
Full Form Midtown Madness 2 3D Model File
File Type Game Data File
Developer Microsoft, Angel Studios
MIME Type application/octet-stream

File Function

Primary Function Store 3D models
Additional Functions Store textures, animations
Features Game asset, Binary format

File Characteristics

Quality Depends on model
Supports Layers No
Supports Transparency Yes
Editable With specific tools

Use Cases

Vehicle Modding Yes
Game Customization Yes
Fan-made Creations Yes

Security and Practices

Security Risks Low risk
Best Practices Scan for viruses, Use trusted sources

Historical/Version Information

Initial Release 2000
Latest Version Depends on tool

Associated Types

Similar Extensions .ar, .p3d, .viv

Software Compatibility

Software Usage Policy OS Compatibility
ZModeler Free, Paid versions Windows
MM2 Revisited Free Windows

Type 5: CoCreate OneSpace Modeling Package

A PKG file contains the compressed files needed to load a 3D model created with CoCreate Modeling. It makes them easier to transfer over the Internet. CoCreate Modeling is a 3D CAD program that allows...

General Information

Title CoCreate OneSpace Modeling Package File
Extension .pkg
Full Form Package File
File Type CAD File
Developer PTC
MIME Type application/octet-stream

File Function

Primary Function Store model
Additional Functions Package components, Archive project
Features 3D data, Assembly structure

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency Yes
Editable Yes

Use Cases

Mechanical Design Yes
Product Development Yes
Data Exchange Yes

Security and Practices

Security Risks File corruption
Best Practices Regular backup, Access control

Historical/Version Information

Initial Release Early 2000s
Latest Version Depends on PTC updates

Associated Types

Similar Extensions .asm, .prt, .mdlx

Software Compatibility

Software Usage Policy OS Compatibility
CoCreate Modeling Paid Windows

Type 6: Midori-OS Application

PKG file contains text information. It defines how to build installer for Symbian OS application. For example, it defines languages, vendor name, dependencies, files to copy, signature details. Symbia...

General Information

Title .PKG File Extension (Midori-OS)
Extension .pkg
Full Form Package File
File Type Application Installation File
Developer Midori-OS Developers
MIME Type application/octet-stream

File Function

Primary Function Software distribution
Additional Functions Installation, Update
Features Compressed, Encapsulated

File Characteristics

Quality High integrity
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Application Installation Yes
System Updates Yes
Software Distribution Yes

Security and Practices

Security Risks Tampering, Malicious code
Best Practices Signature verification, Trusted sources

Historical/Version Information

Initial Release Year of Midori-OS release
Latest Version Latest Midori-OS version

Associated Types

Similar Extensions .app, .msi, .deb, .rpm

Software Compatibility

Software Usage Policy OS Compatibility
Midori-OS Installer Free Midori-OS
Midori-OS Package Manager Free with Midori-OS Midori-OS

Type 7: Roku Channel Package

A developer uses the Roku Development Application Installer to package a channel's code and assets as a PKG file after developing their Roku channel. Developers can upload the channel to the Roku Chan...

General Information

Title PKG File Extension
Extension .pkg
Full Form Roku Channel Package
File Type Package File
Developer Roku, Inc.
MIME Type application/octet-stream

File Function

Primary Function Store channel
Additional Functions Update, Deploy channel
Features Encrypted, Compressed

File Characteristics

Quality Binary code
Supports Layers N/A
Supports Transparency N/A
Editable Indirectly

Use Cases

Roku Channel Development Yes
Streaming Content Yes
Software Updates Yes

Security and Practices

Security Risks Piracy, Malware
Best Practices Secure keys, Signing

Historical/Version Information

Initial Release 2008
Latest Version Depends on channel

Associated Types

Similar Extensions .zip, .tar, .rar

Software Compatibility

Software Usage Policy OS Compatibility
Roku Channel Developer Program Free Roku OS
Roku Channel Builder Roku device Roku OS