File formats: P
Every format whose extension starts with P.
Formats
| Format | Name | About | Main software | |
|---|---|---|---|---|
.PAGES | Apple Pages document | Apple Pages document: a ZIP package of IWA files and media. | Apple Pages | DocumentedViewerEditorOpen |
.PARQUET | Apache Parquet | Large tables stored column by column, compressed, with metadata at the end. | DuckDB | DocumentedViewerEditorOpen |
.PB | TensorFlow SavedModel | A TensorFlow model folder: saved_model.pb graph, variables and assets. | TensorFlow | DocumentedViewerEditorOpen |
.PB | Protocol Buffers binary data | Google’s compact binary messages, defined by a .proto schema. | Protoscope | DocumentedViewerEditorOpen |
.PBF | OpenStreetMap PBF | OpenStreetMap nodes, ways and relations in compressed Protocol Buffers blocks. | Osmium Tool | DocumentedViewerEditorOpen |
.PCAP | libpcap packet capture | Recorded network packets, each with a timestamp, after a 24-byte header. | Wireshark | DocumentedViewerEditorOpen |
.PCAPNG | PCAP Next Generation capture | Wireshark’s capture format: packets, interfaces and comments in typed blocks. | Wireshark | DocumentedViewerEditorOpen |
.PCD | Point Cloud Data | The Point Cloud Library’s format: a text header of fields, then the points. | CloudCompare | DocumentedViewerEditorOpen |
.PCL | Printer Command Language | HP’s printer language: escape sequences a driver sends to a laser printer. | GhostPCL | DocumentedViewerEditorOpen |
.PCM | Raw PCM audio | Bare audio samples with no header: the format must be known in advance. | Audacity | DocumentedViewerEditorOpen |
.PCX | PC Paintbrush image | ZSoft’s MS-DOS paint format: a 128-byte header and run-length encoded lines. | GIMP | DocumentedViewerEditorOpen |
.PDB | Microsoft program database | Debug symbols for Windows programs, in numbered streams. | Visual Studio | DocumentedViewerEditorOpen |
.PDF | Portable Document Format | Fixed pages that look the same everywhere, built from numbered objects. | Adobe Acrobat Reader | DocumentedViewerEditorOpen |
.PDN | Paint.NET image | Paint.NET’s layered working file, with a PDN3 signature and XML header. | Paint.NET | DocumentedViewerEditorOpen |
.PEM | Privacy-Enhanced Mail encoding | Keys and certificates as base64 text between BEGIN and END lines. | OpenSSL | DocumentedViewerEditorOpen |
.PFB | PostScript Type 1 font | Adobe’s PostScript font: cubic outlines in an encrypted PostScript program. | FontForge | DocumentedViewerEditorOpen |
.PFM | Portable Float Map | Uncompressed 32-bit float images after a three-line text header. | ImageMagick | DocumentedViewerEditorOpen |
.PFX | PKCS #12 key and certificate bundle | A private key and its certificates in one password-protected file. | Windows Certificate Import Wizard | DocumentedViewerEditorOpen |
.PI1 | DEGAS picture | Atari ST pictures from DEGAS: a palette and a copy of screen memory. | RECOIL | DocumentedViewerEditorOpen |
.PKL | Python pickle | Saved Python objects, rebuilt by stack-machine opcodes when loaded. | Python | DocumentedViewerEditorOpen |
.PLIST | Apple property list | Apple’s settings files: a tree of values saved as XML or as binary. | Xcode | DocumentedViewerEditorOpen |
.PLS | PLS playlist | An INI-style playlist of numbered File, Title and Length entries. | VLC media player | DocumentedViewerEditorOpen |
.PLT | HP-GL plot file | Pen plotter commands in plain text: two-letter instructions that draw lines. | Inkscape | DocumentedViewerEditorOpen |
.PLY | Polygon File Format | Stanford’s mesh and point cloud format, with a header that declares every property. | MeshLab | DocumentedViewerEditorOpen |
.PNG | Portable Network Graphics | Lossless raster images with transparency, stored in CRC-checked chunks. | GIMP | DocumentedViewerEditorOpen |
.POTX | PowerPoint template | A PowerPoint template: theme, masters and layouts in a PPTX-style package. | Microsoft PowerPoint | DocumentedViewerEditorOpen |
.PPM | Netpbm image (PPM, PGM, PBM) | Uncompressed colour, greyscale or black and white images with a tiny text header. | GIMP | DocumentedViewerEditorOpen |
.PPSX | PowerPoint show | A PPTX presentation marked to open straight into the slide show. | Microsoft PowerPoint | DocumentedViewerEditorOpen |
.PPT | PowerPoint 97–2003 presentation | PowerPoint’s binary presentation before PPTX: nested records in a compound file. | Microsoft PowerPoint | DocumentedViewerEditorOpen |
.PPTX | PowerPoint presentation | PowerPoint’s ZIP package of slides built on layouts and masters. | Microsoft PowerPoint | DocumentedViewerEditorOpen |
.PROCREATE | Procreate document | The iPad painting app’s working file: a zip with layer tiles and a preview. | Procreate | DocumentedViewerEditorOpen |
.PROJECT | Eclipse project description | Marks an Eclipse project: its name, builders and natures, as XML. | Eclipse IDE | DocumentedViewerEditorOpen |
.PRPROJ | Adobe Premiere Pro project | A Premiere Pro edit saved as gzip-compressed XML that points at the media. | Adobe Premiere Pro | DocumentedViewerEditorOpen |
.PS | PostScript | Adobe’s page description language: a program that draws each page. | Ghostscript | DocumentedViewerEditorOpen |
.PSD | Adobe Photoshop Document | Photoshop’s working file, with layers, masks and a flattened composite. | Adobe Photoshop | DocumentedViewerEditorOpen |
.PST | Outlook data file | A whole Outlook mailbox: folders, mail, calendar and contacts. | Microsoft Outlook | DocumentedViewerEditorOpen |
.PT | PyTorch model | Tensors saved by torch.save: a pickle and raw data in a ZIP archive. | PyTorch | DocumentedViewerEditorOpen |
.PTR | OS/2 colour pointer (CP) | A colour OS/2 mouse pointer: masks, a colour image and a hotspot. | ArcaOS | DocumentedViewerEditorOpen |
.PTR | OS/2 pointer (PT) | A black and white OS/2 mouse pointer, with its hotspot in the header. | ArcaOS | DocumentedViewerEditorOpen |
.PTS | Leica text point cloud | A text point cloud: a count, then one line per point with intensity and colour. | CloudCompare | DocumentedViewerEditorOpen |
.PTX | Pro Tools session | An Avid Pro Tools session: an obfuscated binary file beside an Audio Files folder. | Pro Tools | DocumentedViewerEditorOpen |
.PUB | OpenSSH public key | An SSH public key on one line: type, base64 key and a comment. | OpenSSH | DocumentedViewerEditorOpen |
.PY | marimo notebook | Reactive Python notebooks saved as plain .py files, one function per cell. | marimo | DocumentedViewerEditorOpen |
.PY | Python source code | Python programs and modules as UTF-8 text. | Python | DocumentedViewerEditorOpen |
.PYC | Compiled Python bytecode | Python’s cache of a compiled module: a version header and a code object. | Python | DocumentedViewerEditorOpen |