P
Source code (Pascal)
P
Application parameter file (ReaGeniX code generator)
P
Picture file (APPLAUSE)
PA1
Worktable (PageAhead)
PAB
Personal Address Book (Microsoft)
PAC
Package file (Sound Blaster Studio II)
PAC
Image (Stad)
PAD
Keypad definition (Telemate)
PAK
Compressed archive (PAK)
PAK
WAD file (Quake)
PAL
A compressed file (Generic)
PAL
Color palette (Microsoft)
PAN
Printer specific file (CorelDRAW)
PAQ
Password encrypted zip file (Hewlett-Packard)
PAR
Parts application (Digitalk PARTS)
PAR
Parameter file (Fractint)
PAR
Permanent output file (Microsoft Windows 3.x)
PAS
Source code file (Borland Pascal)
PAT
Hatch pattern file (DataCAD)
PAT
Pattern file (CorelDRAW)
PAT
Patch file (Advanced Gravis Ultrasound/Forte Technologies)
PAT
exePatch utility used for Warcraft2 (WarHack)
PB
Fax (FAXability Plus)
PB
Phone book (WinFax Pro)
PB
Setup file (PixBase)
PB1
Document (First Publisher for Windows)
PBA
Source code file (Powerbasic BASIC) (Genus)
PBD
Phone book (FaxNOW!-Faxit)
PBD
Dynamic library, an alternative to a native DLL (PowerBuilder)
PBF
Turtle Beach Pinnacle Bank File
PBI
Include file (PowerBasic) (Genus)
PBI
Profiler binary input file (Microsoft Source Profiler)
PBK
Microsoft Phonebook
PBL
Library file used in a development environment (PowerBuilder)
PBL
PowerBasic library (Genus)
PBM
Portable bitmap graphic
PBM
Planar bitmap graphic (XLib)
PBO
Profiler binary output (Microsoft Source Profiler)
PBR
Resource file (PowerBuilder)
PBT
Profiler binary table (Microsoft Source Profiler)
PC
Text file (IBM)
PC3
Custom palette (Harvard Graphics 3.0)
PC8
Ascii text IBM8 character set (NewWave Write)
PCB
Application data file (Microsoft Powerpoint)
PCC
Cutout picture vector graphics (PC Paintbrush)
PCD
Image (Kodak Photo-CD)
PCD
P-Code compiled test scripts as in Microsoft Test and Microsoft Visual Test
PCE
Maps Eudora mailbox names to DOS filenames
PCF
Profiler command file (Microsoft Source Profiler)
PCH
Patch file (Generic)
PCH
Precompiled header file (Microsoft C/C++)
PCI
PCI Miniport file (Microsoft Windows System file)
PCJ
Multimedia authoring tool graphics (IBM Linkaway-Live)
PCK
Pickfile (Turbo Pascal)
PCL
Printer Control Language file (printer-ready bitmap) (Hewlett-Packard)
PCM
Audio file
PCM
PCM file (OKI MSM6376 Sythesizer Chip)
PCP
Live Update Pro file (Symantec)
PCS
Animation (PICS)
PCS
Picture storage file (Microsoft)
PCT
PICT drawing (Macintosh)
PCW
Text file (PC Write)
PCX
PC Paintbrush bitmap (ZSoft)
PDA
Bitmap graphics
PDB
Data file (TACT)
PDB
Physical model backup file (PowerDesigner)
PDB
Database file (3Com PalmPilot)
PDD
Graphic image that can be opened with Paint Shop Pro and Adobe PhotoDeluxe
PDF
Portable Document file (Adobe Acrobat) (displayable with a Web browser)
PDF
Definition File
PDF
Printer Definition File (Netware)
PDF
Graphics file (ED-SCAN 24bit)
PDL
Project description language file (Borland C/C++)
PDM
Physical model file (PowerDesigner)
PDP
Print Shop Deluxe file (Broderbund)
PDQ
Flowcharting PDQ Lite file (Patton&Patton)
PDS
Photographic image file (origin not yet identified)
PDS
Hardware assembly source code file (Pldasm)
PDV
Printer driver (Paintbrush)
PDW
Document (Professional Draw)
PE3
Image archive file (Ulead PhotoImpact)
PE3
Image archive file (QuickViewer)
PE4
Image archive file (Ulead PhotoImpact v.4.0)
PEB
Program Editor bottom overflow file (Microsoft WordPerfect for Windows Library)
PED
Program Editor delete save file (Microsoft WordPerfect for Windows)
PEM
Program Editor macro (Microsoft WordPerfect for Windows library)
PEQ
Program Editor print queue file (Microsoft WordPerfect for Windows)
PER
Program Editor resident area file (Microsoft WordPerfect for Windows Library)
PES
Program Editor work space file (Microsoft WordPerfect for Windows Library)
PET
Program Editor top overflow file (Microsoft WordPerfect for Windows Library)
PF
Encrypted file (Alladin Systems)
PFA
Type 3 font (ASCII)
PFB
Type 1 font (binary)
PFC
PF Component file
PFC
Text file (First Choice)
PFC
Personal filing cabinet file (AOL)
PFF
Paraform file for 3D modeling (Scandata)
PFK
Programmable function keys (XTreePro)
PFM
Printer Font Metrics (Microsoft)
PFS
Database text file (PFS:Write)
PFT
Printer font (ChiWriter)
PG
Page cut/paste file (IBM LinkWay)
PGI
Printer graphics file device driver (PGRAPH Library)
PGL
Plotter drawing (Hewlett-Packard)
PGM
Portable Graymap (bitmap)
PGM
Program file (Signature)
PGN
Portable game notation file (ChessMaster and others)
PGP
PGP encrypted file
PGS
Manual page (man4dos)
PH
Temporary file generated by Microsoft Help Compiler
PH
Optimized .goh file (Geoworks)
PH
Perl header file
PH
Phrase-table (Microsoft C/C++)
PHN
Phone list (UltraFax)
PHN
Phone list (QmodemPro)
PHO
Phone database (Metz Phone for Windows)
PHP
HTML page that includes a PHP script
PHP3
HTML page that includes a PHP script
PHR
Phrases (LocoScript)
PHTML
HTML page that includes a PHP script
PHTML
Perl-parsed HTML
PI1
Low resolution picture file (Dages Elite)
PI2
Medium resolution picture file (Dages Elite)
PI3
High resolution picture file (Dages Elite)
PIC
Bitmap (PC Paint)
PIC
Pixar picture file (SDSC Image Tool)
PIC
Picture file (Lotus)
PIC
PICT drawing (Macintosh)
PIC
3D Image file (SoftImage)
PICT
PICT image file (Macintosh)
PIF
Program Information File
PIF
PIF drawing (IBM)
PIF
Vector graphics GDF file (IBM Mainframe)
PIF
Compressed archive (Macintosh)
PIG
WAD file (Lucas Arts Dark Forces)
PIN
Data file (Epic Pinball)
PIN
Data file (Epic Pinball)
PIX
Bitmap (Inset Systems)
PIX
Alias image file (SDSC Image Tool)
PJ
Project file (CA-SuperProject)
PJ
Source Integrity file (MKS)
PJT
Visual FoxPro memo file (Microsoft)
PJT
Visual Foxpro Project (Microsoft)
PJX
Visual FoxPro project file (Microsoft)
PK
Packed bitmap font file (TeX DVI)
PKA
Compressed file archive (PKARC)
PKG
Developer Studio application extension (similar to a DLL file) (Microsoft)
PKG
Installer script (NEXT)
PKR
Public Keyring (PGP)
PKT
Packet file (Fidonet)
PL
Interleaf printerleaf (or WorldView) format
PL
Source code file (Perl)
PL
Source code file (Prolog)
PL
Property list font metric file (TeX)
PL
Palette (Harvard Graphics)
PL1
Room plan (3D Home Architect)
PL3
Chart palette (Harvard Graphics 3.0)
PLB
Library file (Microsoft FoxPro)
PLC
Add-in file (Lotus 1-2-3)
PLG
A format use by REND386/AVRIL
PLI
Data description file (Oracle 7)
PLL
Pre-linked library file (Clipper 5)
PLM
Module (DisorderTracker2)
PLN
Spreadsheet (Microsoft WordPerfect for Windows)
PLR
Pilot file (Descent 1-3)
PLS
Sample file (DisorderTracker2)
PLS
MPEG PLayList file (used by WinAmp)
PLT
Drawing (HPGL Plotter)
PLT
Plot drawing (AutoCAD)
PLT
Palette (Generic)
PLT
Pre-linked transfer file (Clipper 5)
PLT
Sign-making software (Gerber Optical)
PLY
Data file (PopMail)
PLY
Presentation screen (Harvard Spotlight)
PM
Bitmap graphics (Presentation Manager)
PM3
Document (PageMaker 3.0)
PM4
Document (PageMaker 4.0)
PM5
Document (PageMaker 5.0)
PM6
Document (PageMaker 6.0)
PMC
Graphics (A4TECH Scanner)
PMM
Program file (Amaris BTX/2)
PN3
Printer device driver (Harvard Graphics 3.0)
PNG
Bitmap (Portable Network Graphics)
PNG
Browser catalogue (Paint Shop Pro)
PNG
Bitmap file (MacroMedia FireWorks)
PNM
Portable aNY Map graphics (PBM)
PNT
Graphic file (MacPaint)
PNT
QWK reader pointer file (MarkMail 2.x)
PNT
Pen Table plotting file (Pro/Engineer)
PNTG
Same as PNT file
POG
PIG file extension (Descent2)
POH
Optimized .goh file (Geoworks)
POL
Windows NT Policy file
POL
3D polygonal modeling file (Innovmetric)
POP
Popup file (Visual dBase)
POP
Message index (PopMail)
POT
PowerPoint template (Microsoft)
POV
Persistence of Vision file (Ray-Tracer)
POW
Chord chart (PowerChords)
PP
Compressed Amiga archive (POWERPACKER)
PP4
Bitmap (Picture Publisher 4)
PPA
PowerPoint Add-in (Microsoft)
PPB
Button bar for print preview (Microsoft WordPerfect for Windows)
PPD
PostScript Printer definition file specification (Adobe Acrobat v.4.0)
PPF
Pinnacle Program File (Turtle Beach)
PPI
Graphics file (Microsoft PowerPoint)
PPL
PolaroidPalettePlus ColorKey device driver (Harvard Graphics 3.0)
PPM
Portable Pixelmap bitmap
PPO
Pre-processed output file (Clipper 5)
PPP
Document or finished project (Parson Power Publisher)
PPP
Desktop publishing default output file (Serif PagePlus)
PPS
PowerPoint slide show (Microsoft)
PPS
Storyboard (Personal Producer)
PPT
PowerPoint presentation (Microsoft)
PQB
Master boot backup file (PowerQuest BootMagic)
PR2
Presentation (Aldus Persuasion 2.x)
PR2
Printer driver (dBase IV)
PR3
Postscript printer driver (dBase IV)
PR3
Presentation (Aldus Persuasion 3.x)
PRC
Resource (text or program) file (3com PalmPilot)
PRD
Printer driver (Generic)
PRE
Presentation (Lotus Freelance)
PRE
Settings (Programmer's WorkBench)
PRE
Settings (Microsoft C/C++)
PRF
System file (Microsoft Windows)
PRF
Settings file (Macromedia Director)
PRF
Pixel Run Format graphics (Improces-Fastgraph)
PRF
Printer driver (dBase IV)
PRF
Output file (Profiler)
PRG
Program source files (dBase IV, Clipper 5, and Microsoft FoxPro)
PRG
Program source files (Atari)
PRG
Program file (WAVmaker)
PRI
Printer definitions (LocoScript)
PRJ
Project file (3D Studio) (DOS)
PRM
Parameter file (Generic)
PRN
Print Table (space delimited text)
PRN
Windows Printer file (DataCAD)
PRN
Printer driver (Signature)
PRN
Text file (Lotus 1-2-3-Symphony)
PRO
Source code file (Prolog)
PRO
Configuration file (Pro/Engineer)
PRO
Graphics profile file (DOS)
PRO
Project file (Terramodel)
PRP
Data conversion saved project file (Oberon Prospero)
PRS
Presentation file (Harvard Graphics for Windows)
PRS
Printer resource font file (Microsoft WordPerfect for Windows)
PRS
Procedure file (dBase IV)
PRT
A print-formatted file
PRT
Printer driver (Dr. Halo)
PRT
Part file (Pro/Engineer)
PRT
Part file (CADkey)
PRV
Internet provider template file (psiMail)
PRX
Compiled program (Microsoft FoxPro)
PRZ
Graphics file (Lotus Freelance 97)
PS
Postscript-formatted file (a Postscript printer-ready file)
PSB
Sound Bank file (Pinnacle)
PSD
Bitmap (Adobe Photoshop)
PSE
Bitmap graphics (IBM printer Page SEgment)
PSF
Outline PostScript printer font (ChiWriter)
PSI
A-law audio file (psion)
PSM
Studio module (ProTracker)
PSM
Sound data file (Epic)
PSM
Symbol table of IDE (Turbo Pascal)
PSP
Image file (PaintShop Pro)
PSP
Procedure (Prodea Synergy)
PST
Personal Folder File (Microsoft Outlook)
PT3
Device driver (Harvard Graphics 3.0)
PT3
Template (PageMaker 3.0)
PT4
Template (PageMaker 4.0)
PTB
Script file (PubTech BatchWorks)
PTB
Table file (Pro/Engineer)
PTD
Table file (Pro/ENGINEER)
PTL
Petal file (ASCII version of Microsoft Visual Modeler)
PTM
Macro (PubTech BatchWorks)
PTM
Music module (MOD) (Polytracker)
PTR
QWK reader pointer file (QMail)
PUB
Publication (Ventura Publisher)
PUB
Document (Microsoft Publisher)
PUB
Public key ring file (PGP)
PUD
Map file (WarCraftII)
PUT
Compressed archive (PUT)
PVD
Script file (Instalit)
PVL
Library file (Instalit)
PVT
Local pointlist (Fidonet)
PW
Text file (Professional Write)
PWD
Word document (Microsoft Pocket)
PWL
Password list file (Microsoft Windows 9.x)
PWP
Image file (a roll of film viewed using Photoworks)
PWP
Text document (Professional WritePlus)
PWZ
PowerPoint wizard (Microsoft)
PX
Primary database index (Paradox)
PXL
Pocket Excel spreadsheet (Microsoft)
PY
Saved emessages (YAHOO)
PY
Python Script file
PYC
Python Compiled script file
PZD
Default settings (Pizazz Plus)
PZO
Overlay file (Pizazz Plus)
PZP
Palette (Pizazz Plus)
PZS
Settings (Pizazz Plus)
PZT
Transfer file (Pizazz Plus)
PZX
Swap file (Pizazz Plus)
P3
Project Planner file (Primavera)
P10
Plot 10 drawing (Tektronics)
P16
16 Channel Music file (ProTracker 16)
P22
Patch file (Patch 22)
P65
Document file (PageMaker 6.0)
P7C
Digital ID file (MIME)