.??_ Files ending in "_" are often compressed install files of the same
name (e.g., .EX_ expands to .EXE, .DL_ expands to .DLL, etc.)
.PMD Pagemaker File
.PME Plazmic Media Engine File
.PMF ArcReader GIS Mapping File
.PMG Pagemaker Group File (EPS graphic)
Paint Magic [XnView]
.PMI Pegasus Mail Message Folder Index File
.PML NT4 Performance Monitor Log File
Pegasus Mail Distribution List
PADGen Program Information
Windows Performance Monitor File
.PMM Pegasus Mail Mail Message Folder
Amaris BTX/2 Program
.PMO Print Master Gold Text
.PMP Sony DSC-F1 Cyber-shot [Acdsee] [XnView]
.PMR Windows Performance Monitor File
.PMW Windows Performance Monitor File
.PN3 Harvard Printer Driver (Harvard Graphics taken over by Serif)
.PND DATAIR Pension System Pending File
.PNF Precompiled Setup Information (Temporary file seen during installs)
.PNG Portable (Public) Network Graphic (proposed GIF replacement) [XnView] [IrfanView]
PaintShop Pro Browser
Fireworks Image File
.PNL PEERNET Label Designer File
.PNM PBM Portable Any Map Graphic [XnView]
.PNR PEERNET Label Designer File
.PNS PEERNET Label Designer File
.PNT MacPaint Bitmap Graphic [XnView]
Paperport Thumbsview
MarkMail Qwk Reader Pointers
World Data Bank II Country Data File (derived from CIA data)
.PNTG MacPaint Bitmap Graphic [XnView]
.PNU PEERNET Label Designer File
.PO2 STABCAL (stability calculation for aqueous systems) File
.PO3 STABCAL (stability calculation for aqueous systems) File
.PO5 STABCAL (stability calculation for aqueous systems) File
.POC PocoScript File
.POD Terminal Velocity Archive [Dragon UnPACKer]
.POG Descent2 File
.POH Optimized Geoworks .GOH File
.POL Music File
AscToHTM Policy File
Windows Policy File
.POLICY Java Policy File
.POO Poo Patrol Game File (unverified)
.POP dBase Popup Menu
PopMail Message Index
.POS ProCite Output Styles
QuickPOS IIF File (see IIF above)
.POT PowerPoint Template [Buy Office XP at Shop.Microsoft]
.POV Persistence of Vision Ray-tracer
.POW PowerChords Chord Chart
.PP Compressed Amiga Archive File
.PP2 Curious Labs Poser Prop File
.PP4 Picture Publisher
.PP5 Picture Publisher
.PPA PowerPoint Add-in [Buy Office XP at Shop.Microsoft]
.PPB WordPerfect Print Preview Button Bar
.PPD PostScript Printer Description
.PPF Turtle Beach Pinnacle Program File
Jasc Paint Shop Pro 7 Preset File
Micrografx Picture Publisher File (Micrografx now part of Corel)
PlayStation Patch File
.PPG MS PowerPoint Ppresentation
Professor Franklin's Photo Print Gold
.PPI MS PowerPoint Graphics File [Buy Office XP at Shop.Microsoft]
.PPJ Adobe Premiere Video Editing File
.PPL Harvard Polaroid Palette Plus ColorKey Driver (Harvard Graphics taken over by Serif)
.PPM PBM Portable Pixelmap Graphic [XnView] [IrfanView]
.PPMA Portable Bitmap [XnView]
.PPO Clipper Preprocessor Output
.PPP Serif PagePlus Publication
Enfocus Preflight Profile
Parson Power Publisher
Punk Productions Picture [XnView]
.PPR Cognos PowerPlay OLAP Multidimensional Cube
.PPRINT Pics Print File
.PPS PowerPoint Slideshow [XnView] [Buy Office XP at Shop.Microsoft]
.PPT PowerPoint Presentation [XnView] [Buy Office XP at Shop.Microsoft]
.PPX Serif PagePlus Publication
Cognos PowerPlay OLAP Reporting
.PPZ PowerPoint Packaged Presentation [Buy Office XP at Shop.Microsoft]
.PQ Adobe Pagemaker Default Printer Style
.PQA Palm Query Application File (database for wireless access)
.PQI Power Quest Drive Imaging Software
.PQW Corel Presentations 9 Runtime
.PQX Power Quest DRive Image Index
.PR EROSION 3D Precipitation Parameters [Format (pdf)]
Sun Icon/Cursor [XnView]
.PR1 OzWin CompuServe E-mail/Forum Access Purged Message File
.PR2 Persuasion Presentation
dBase IV Printer Driver
Proteus Session (personal light and sound stimulation system)
.PR3 dBase IV PostScript Printer Driver
Aldus Persuasion Presentation
.PRB xyALGEBRA File
.PRC Palmpilot Resource File [File Format]
Picture Gear Pocket [XnView]
.PRD Printer Driver
.PRE Freelance Presentation
MS Programmer's WorkBench Settings
.PREFS Preferences File (various)
.PRF Preferences File (various)
dBase IV Printer Driver
Monarch Portable Report File (data mining)
Profiler Output
PICS Rules File
Polychrome Recursive Format [XnView]
Fastgraph Pixel Run Format Grahics
.PRG Program File (various)
OzWin CompuServe E-mail/Forum Access Purged Message File
WAVmaker Program
Atari Program
SHARP MZ-series Emulator File
SpecEm Snapshot
.PRI LocoScript Printer Definitions
Prisms [XnView]
.PRJ Project File (various)
3D Studio File
HitPlayer Advanced Playlist File
Monarch File (data mining)
.PRK Tony Hawk's Pro Skater 2 Saved Park
CampgroundMaster/ResortMaster Database
.PRL Process Revolution Object Library File (Diagrams, Process Maps, Flow Charts)
.PRM Parameter File
.PRN Printer Text File (various)
HP Printer Control Language [SwiftView]
DataCAD Windows Printer File
XYWrite Printer Driver
PostScript File
.PRO Guitar Chord File [On-line Guitar Archive]
PROLOG Program File
Creamware Pulsar Audio File
Sid Meier's SimGolf
.PRP Palace Prop File
InstantDB Database File
.PRS Printer Resource File
WordPerfect Printer Resource Font File
dBase Procedure
Harvard File (Harvard Graphics taken over by Serif)
.PRT Printer Configuration (various)
Printer-formatted File
SCEdit Part File (Roland Sound Canvas sound modules; MIDI-related)
Unigraphics Part File (CAD modeling data)
CADKEY Part File
Pro/ENGINEER Model File
Associated with the W32/Parrot-A worm; particularly if found in the
Windows directory along with .EXE files of the same root name.
Process Revolution Template File (Diagrams, Process Maps, Flow Charts)
.PRV PsiMail Internet Provider Template
Previous Version (used for files that change)
.PRX Foxpro Compiler Program
Process Revolution Diagram File (Diagrams, Process Maps, Flow Charts)
.PRZ Freelance Graphics 97 File
.PS PostScript [Ghostscript] [XnView]
.PSB Pinnacle Sound Bank
Project Scheduler Configuration File
.PSD Photoshop Format [XnView] [IrfanView]
Apple Viewer File
DESIGN II for Windows General Flowsheet (Refining Process Simulation)
.PSE IBM Printer Page Segment Bitmap [XnView]
.PSF Chiwriter PostScript Printer Font
PhotoStudio Graphic [XnView]
.PSH Punch Home Design Series CAD Data File
.PSI PSION A-law Audio
.PSM Turbo Pascal Symbol Table
Protracker Studio Module Format
Epic Games Sound Data
SolidEdge CAD File
PrintShop Mail (desktop publishing)
.PSMDOC PrintShop Mail (desktop publishing)
.PSMODEL Delcam Powershape (3D CAD)
.PSN Post-itŪ Software Notes
.PSP PaintShop Pro Image [XnView] [IrfanView]
Project Scheduler Planning File
Prodea Synergy Procedure
.PSR Project Scheduler Resource File
.PSS Sony Playstation Game File
Axialis Screen Saver Producer File
.PST MS Outlook Personal Folder File
Ulead Pattern [XnView]
.PSW WinXP Backup Password File
.PSX Dirty Little Helper Chat File
X-Plorer/X-Ploder, Cheat Machine, etc. Single Game Save
.PSY PLD2 System File
Psychedelic Windows Products
.PT Kodak Precision Transform [Download]
PassMark PerformanceTest File
.PT3 Harvard Device Driver (Harvard Graphics taken over by Serif)
PageMaker Template
.PT4 PageMaker Template
.PT5 PageMaker Template
.PTB Power Tab Guitar Tablature Editor
PubTach Batch Works Script
.PTC NRG Symphonie Patch File
.PTDB Peachtree Accounting Database
.PTH 4D Database Windows Pathname Document
.PTI IBM Configurator Configuration
.PTK Red Alert 2 File
.PTM PolyTracker Music Module
MS MapPoint Map
PubTech BatchWorks Macro
.PTN PaperPort Thumbnail Images (Hidden file: PPTHUMB.PTN)
.PTP Act! Modem Sync File
.PTR QMail Qwk Reader Pointer
.PTS Infinity Engine Game Tileset
Halflife Map Creation Debug File
.PTT MS MapPoint Template
.PTX E-Transcript of Court Proceedings [Viewer]
.PUB PGP Public Key Ring
Ventura Publisher
MS Publisher Document
The Sims (Maxis) Family Data
Print Perfect Gold Template
.PUBHTML MS Publisher HTML Document
.PUBMHTML MS Publisher Archived HTML Document
.PUD Warcraft II PUD Map [PUD Browser] [PUD Format]
.PUF Puffer Encrypted File (File & E-mail Encryption)
.PUT Instalit Script
.PUZ Across Lite Crossword Puzzle [FAQ]
Packed MS Publisher File
.PVA Hauppauge DVB-Software
.PVL Instalit Library
.PVS Scarlett Expert System Compiler Reserved Words File (Scarlett is not presently available)
.PVT Local Fidonet Pointlist
.PW Professional Write Text File
.PWA Password Agent File
.PWC COSMI Street Maps and Vacation Planner
.PWD Pocket Word Document
AutoCAD Password File (ACAD.PWD)
Password Pro File
.PWF ProCite Workforms
.PWI Notes for Windows CE
.PWL Password List
.PWP Photoworks Image File
Professional WritePlus Document
Seattle Film Works Multi-image File (Actually MGI PhotoSuite File) [Filmworks Viewer] [XnView]
.PWT HotDog PageWiz Template
MS Pocket Word Template File
Autocad Publish-to-Web Template
.PWZ PowerPoint Wizard [Buy Office XP at Shop.Microsoft]
.PX Primary Index
Paradox Primer Database Index
.PXA Pixia Color Painter File [Japanese] [XnView]
Pegs [XnView]
.PXB Pixibox [XnView]
.PXD eJay Mixer File
.PXE Partial XML Envelope
.PXI Pixie File (scalable vector images viewed with an applet)
Note: The file $$d2k.pxi is associated with a Trojan
.PXL Pocket Excel Spreadsheet
.PXN PictureWorks PhotoEnhancer Graphic Image (Kodak format not now supported)
.PXR Pixar Picture [XnView]
.PXS Pegs [XnView]
.PY PYTHON Script
Yahoo Saved Messages
Oracle Batch Procedure
.PYC Compiler PYTHON Script
.PZ2 Curious Labs Poser Pose File
.PZ3 Curious Labs Poser Document
.PZA MGI PhotoSuite II/III/4 Album File
.PZC GraphPad Prism Script
.PZD Pizazz Plus Defaults
.PZF GraphPad Prism Project
.PZL Puzzle [XnView]
Lode Runner Game Puzzle
.PZM GraphPad Prism
.PZO Pizazz Plus Overlay
.PZP Pizazz Plus Palette
MGI PhotoSuite II/III/4 Project File [XnView]
.PZS Pizazz Plus Settings
MGI PhotoSuite II/III/4 Slide Show File
.PZT Pizazz Plus Transfer File
GraphPad Prism Template
.PZX Pizazz Plus Swap File
.PZZ Curious Labs Compressed Poser File
