.PUP File Extension

PUP files exist as 3 different types. Please find information about each of them below.

Type 1: PlayStation 3 Update File

General Information

Title PUP File Extension
Extension .pup
Full Form PlayStation 3 Update Package
File Type System Update File
Developer Sony
MIME Type application/x-psp-update

File Function

Primary Function Update firmware
Additional Functions Upgrade software, Patch system

File Characteristics

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

Use Cases

System Update Yes
Performance Improvement Yes
Feature Addition Yes

Security and Practices

Security Risks Unauthorized modifications
Best Practices Download from official source, Verify file integrity

Historical/Version Information

Initial Release 2006
Latest Version Varies by update

Associated Types

Similar Extensions .pbp, .sfo, .pkg

Software Compatibility

Software Usage Policy OS Compatibility
PlayStation 3 Console Free PlayStation 3 OS
Sony Media Go Discontinued Windows

Type 2: Puppy Linux DotPup Installer Package

The .PUP file extension has two known uses. One is for Puppy Linux DotPup Installer Packages. Another is for Sony PlayStation Update Packages. On Linux, PUP files are often called DotPup files. They ...

General Information

Title PUP File Extension
Extension .pup
Full Form Puppy Linux DotPup Installer Package
File Type Package Installer File
Developer Puppy Linux Community
MIME Type application/octet-stream

File Function

Primary Function Install software
Additional Functions Deliver libraries, Provide documentation
Features Self-contained, Easy installation

File Characteristics

Quality Varies with content
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Operating System Customization Yes
Software Distribution Yes
System Recovery Yes

Security and Practices

Security Risks Malicious code
Best Practices Verify source, Check integrity

Historical/Version Information

Initial Release 2005
Latest Version Depends on package

Associated Types

Similar Extensions .pet, .sfs

Software Compatibility

Software Usage Policy OS Compatibility
Puppy Linux Free Linux

Type 3: PlayStation 4 or 5 Update File

The PS4UPDATE1 file contains core updates for the PS4 system firmware stored on the SPI flash. These include the GameOS/x86 kernel, usermode, Bluray Drive, EAP, EMC, Syscon, and SAM. The PS4UPDATE2 fi...

General Information

Title PUP File Extension
Extension .pup
Full Form PlayStation Update Package
File Type System Update File
Developer Sony Interactive Entertainment
MIME Type application/x-psp2-updatelist

File Function

Primary Function System Update
Additional Functions Firmware Installation, Recovery Mode Update
Features Encrypted, Signed

File Characteristics

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

Use Cases

Console Updating Yes
System Recovery Yes
Firmware Reinstallation Yes

Security and Practices

Security Risks Tampering Risk
Best Practices Official Source, Secure Storage

Historical/Version Information

Initial Release PS4 (2013), PS5 (2020)
Latest Version Varies with release

Associated Types

Similar Extensions .pkg, .mds, .mdf

Software Compatibility

Software Usage Policy OS Compatibility
PlayStation 4 Free PlayStation 4 System
PlayStation 5 Free PlayStation 5 System