P files exist as 5 different types. Please find information about each of them below.
Type 1: Python Pickle File
The python standard library json module loads files named with a .json extension. Using .pickle would minimise any chance of accidental use by other programs. The pickle module would load a .pickle ex...
General Information
| Title | PYTHON PICKLE File Extension |
| Extension | .p, .pkl |
| Full Form | Python Pickle File |
| File Type | Data File |
| Developer | Python Software Foundation |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Data serialization |
| Additional Functions | Data storage, Data exchange |
| Features | Binary format, Serializable objects |
File Characteristics
| Quality | Binary encoded |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | Indirectly |
Use Cases
| Machine Learning | Model storage |
| Data Science | Dataset storage |
| Application State | Preservation |
Security and Practices
| Security Risks | Arbitrary code execution |
| Best Practices | pickle alternatives, Secure deserialization |
Historical/Version Information
| Initial Release | Python 0.9 (1991) |
| Latest Update | Python 3.10 (2021) |
Associated Types
| Similar Extensions | .py, .pyc, .pyo |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Python |
Free | Windows, Mac, Linux |
Type 2: Pascal Source Code
General Information
| Title | Pascal File Extension |
| Extension | .p |
| Full Form | Pascal Source Code File |
| File Type | Source Code File |
| Developer | Niklaus Wirth |
| MIME Type | text/x-pascal |
File Function
| Primary Function | Contain Pascal code |
| Additional Functions | Compile to executable |
| Features | Structured, Strong typing |
File Characteristics
| Quality | Depends on code |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Yes |
Use Cases
| Software Development | Yes |
| Academic Purposes | Yes |
| System Programming | Less common |
Security and Practices
| Security Risks | Code injection |
| Best Practices | Code review, Unit testing |
Historical/Version Information
| Initial Release | 1970 |
| ISO Standard | ISO/IEC 7185:1990 |
Associated Types
| Similar Extensions | .pas, .pp, .lpr |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Free Pascal |
Free | Windows, Mac, Linux |
 Embarcadero Delphi |
Commercial | Windows |
 Lazarus IDE |
Free | Windows, Mac, Linux |
Type 3: LightWave Plug-in
You must have LightWave 3D software installed. Associate LightWave 3D program for *.p files. On Windows, right-click a *.p file. In the dialog, select LightWave 3D program. Or browse to locate the pro...
General Information
| Title | P File Extension |
| Extension | .p |
| Full Form | LightWave Plug-in File |
| File Type | Plug-in File |
| Developer | NewTek |
| MIME Type | application/octet-stream |
File Function
| Primary Function | Extend software |
| Additional Functions | Add features, Provide effects |
| Features | Customization, Enhancement |
File Characteristics
| Quality | Plugin dependent |
| Supports Layers | Varies |
| Supports Transparency | Varies |
| Editable | No |
Use Cases
| 3D Modelling | Yes |
| Animation | Yes |
| Rendering | Yes |
Security and Practices
| Security Risks | Code execution |
| Best Practices | Verified sources, Regular updates |
Historical/Version Information
| Initial Release | 1990s |
| Latest Version | Depends on plugin |
Associated Types
| Similar Extensions | .lwo, .lws, .lscript |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| LightWave 3D |
Paid | Windows, Mac |
Type 4: Applause Picture
General Information
| Title | Applause Picture File |
| Extension | .p |
| Full Form | Applause Picture File |
| File Type | Bitmap Image File |
| Developer | Unknown |
| MIME Type | image/x-p |
File Function
| Primary Function | Store image |
| Additional Functions | Display bitmap |
| Features | Indexed colors |
File Characteristics
| Quality | Fixed resolution |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | Yes |
Use Cases
| Graphic Design | Yes |
| Web Graphics | Limited |
| Digital Art | Yes |
Security and Practices
| Security Risks | Low risk |
| Best Practices | Verify source |
Historical/Version Information
| Initial Release | Unknown |
| Latest Version | N/A |
Associated Types
| Similar Extensions | .bmp, .gif, .png |
Type 5: MATLAB P-Code File
General Information
| Title | MATLAB P-Code File |
| Extension | .p |
| Full Form | Protected MATLAB File |
| File Type | Executable Code File |
| Developer | MathWorks |
| MIME Type | application/matlab-pcode |
File Function
| Primary Function | Execute MATLAB functions |
| Additional Functions | Obfuscate code, Protect IP |
| Features | Byte-code, Non-readable |
File Characteristics
| Quality | High performance |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | No |
Use Cases
| Numerical Computing | Yes |
| Algorithm Development | Yes |
| Data Analysis | Yes |
| Prototyping | Yes |
Security and Practices
| Security Risks | Reverse engineering |
| Best Practices | Version control, Backup |
Historical/Version Information
| Initial Release | Before 2000 |
| Latest Version | MATLAB R2022b (2022) |
Associated Types
| Similar Extensions | .m, .mat, .fig |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| MATLAB |
Licensed | Windows, Mac, Linux |