| Extension |
Meaning / Link |
| .P |
PASCAL Program File,
Applause Picture |
| .P10 |
Tektronix Plot 10
Drawing, Certificate Request |
| .P65 |
Pagemaker
6.5 File |
| .P7C |
Digital ID File |
| .P7M |
PKCS
#7 MIME Message |
| .P7R |
Certificate Request
Response |
| .P7S |
PKCS #7 Signature |
| .PAB |
MS Personal Address
Book |
| .PAC |
SB Studio II Package |
| .PAD |
Telemate Keypad
Definition |
| .PAG |
Property Page File |
| .PAK |
Compressed Archive
File, Quake WAD File |
| .PAL |
Color Palette, Adobe
Pagemaker Library Palette, Compressed File |
| .PAN |
Chromeleon Control
Panel |
| .PAR |
Fractint Parameter
File |
| .PAS |
Pascal Source Code |
| .PAT |
AutoCAD
Hatch Pattern, Patch, Corel
Vector Pattern, Advanced Gravis Ultrasound, Forte Tech.
Patch |
| .PB |
WinFax
Pro Phone Book |
| .PBD |
PowerBuilder Dynamic
Library, Faxit
Phone Book |
| .PBF |
Turtle Beach
Pinnacle Bank File |
| .PBK |
MS Phonebook |
| .PBL |
PowerBuilder Library |
| .PBM |
UNIX Portable Bitmap |
| .PBR |
PowerBuilder
Resource |
| .PBI |
Profiler Binary
Input |
| .PBM |
PBM Portable Bit Map
Graphic |
| .PBO |
Profiler Binary
Output |
| .PBT |
Profiler Binary
Table |
| .PC |
PC-specific Text
File |
| .PC3 |
Harvard
Custom Palette (Harvard Graphics taken over by Serif) |
| .PC5 |
Rockwell Software
Logix 5 File |
| .PC8 |
ASCII Text IBM-8 |
| .PCA |
PCAnywhere
Registry Backup |
| .PCB |
Protel Technology
Advanced PCB Design, MS
PowerPoint Application Data File |
| .PCC |
Image File |
| .PCD |
Photo-CD Image,
P-Code Compiled Test Scripts |
| .PCE |
Eudora
Mailbox Name Map |
| .PCF |
Profiler Command
File
|
| .PCH |
Patch File, MS
C PreCompiled Header |
| .PCK |
Turbo Pascal Pick
File |
| .PCL |
HP-PCL Graphic Data
File (HP Printer Control Language) |
| .PCM |
Sound File, OKI
MSM6376 Synth Chip PCM Format |
| .PCP |
Symantec
Live Update Pro |
| .PCS |
PICS Animation |
| .PCT |
Bitmap Graphic
(Apple PICT Format Usually) |
| .PCW |
PC Write Text File |
| .PCX |
PC Paintbrush Bitmap
Graphic |
| .PDB |
Palmpilot Database
File, Pegasus DataBase,
Tact File, QuickPOS
Database File,
Program DataBase file in Microsoft .NET framework |
| .PDD |
Adobe
PhotoDeluxe Image |
| .PDF |
Printer Description,
Adobe Acrobat File, Netware
Printer Definition File, MS Package Definition File
(Inventory-related) |
| .PDG |
PrintShop Deluxe
File |
| .PDI |
MS
Powerpoint File |
| .PDQ |
Patton & Patton
Flowcharting PDQ Lite File |
| .PDR |
Port or Printer
Driver |
| .PDS |
PDS Graphic, Telsis
HiCall Program File |
| .PDT |
ProCite Primary
Database |
| .PDV |
Paintbrush Printer
Driver |
| .PDX |
Paradox Files,
ProCite Database Keys, Acrobat Catalog Index |
| .PEB |
WordPerfect Program
Editor Bottom Overflow File |
| .PED |
WordPerfect Program
Editor Delete Save |
| .PEM |
WordPerfect Program
Editor Macro |
| .PEQ |
WordPerfect Program
Editor Print Queue File |
| .PER |
WordPerfect Program
Editor Resident Area |
| .PES |
WordPerfect Program
Editor Work Space File |
| .PET |
WordPerfect Program
Editor Top Overflow File |
| .PF |
Monitor or Printer
Profile File, Aladdin Systems Private Files Encrypted File |
| .PFA |
Outline Font (ASCII) |
| .PFB |
Outline Font
(Binary) |
| .PFC |
PF Component |
| .PFE |
Programmers File
Editor |
| .PFK |
XTree Programmable
Function Keys |
| .PFM |
Printer Font Metrics |
| .PFP |
Panorama Factory
Project File |
| .PFR |
PaintShop
Pro File |
| .PFT |
Chiwriter Printer
Font |
| .PGL |
Graphics (Plotter) |
| .PGM |
Portable Graymap
Graphic, Chromeleon Batch Program |
| .PGP |
Program Parameter,
Pretty Good Privacy |
| .PGX |
Binary Property Page
File |
| .PH |
PERL Header, MS Help
Compiler Phrase Table |
| .PHD |
PC Help Desk File |
| .PHO |
Phone List |
| .PHP |
PHP Script, MS
Picture It! Publishing Project File |
| .PHR |
NoExcuse Phrase
Checker, LocoScript Phrases |
| .PIC |
PC Paint Bitmap
Graphic, Lotus Picture,
Macintosh PICT Drawing |
| .PIF |
Windows
Program Information File, IBM PIF Drawing |
| .PIG |
Lucas Arts Dark
Forces WAD File |
| .PIM |
PixMaker Project
File |
| .PIN |
Pushpin Set, Epic
Pinball Data File |
| .PIT |
Macintosh Compressed
Archive File |
| .PIX |
PrintMaster Graphic
File, Inset Systems Bitmap |
| .PJ |
MKS Source Integrity
File |
| .PJL |
ProCite Term Lists
and Journal Title Lists |
| .PJT |
Foxpro
Project Memo |
| .PJX |
Foxpro
Project |
| .PKA |
Compressed Archive
File |
| .PKB |
QuickPOS
(Point-Of-Sale) Keyboard Layout File |
| .PKG |
MS
Developer Studio Application Extension, AppleLink Package
Compression Format File |
| .PKO |
PublicKey Security
Object |
| .PKR |
PGP Public Keyring |
| .PL |
Harvard
Palette (Harvard Graphics taken over by Serif), PERL Program
File |
| .PL3 |
Harvard
Chart Palette (Harvard Graphics taken over by Serif) |
| .PLB |
Foxpro
Library |
| .PLB |
LogoShow Screensaver |
| .PLC |
Lotus
Add-in |
| .PLD |
PLD2
Source File (program due out 1Q2001) |
| .PLG |
REND386/AVRIL File |
| .PLI |
Oracle
7 Data Description |
| .PLL |
Prelinked Library |
| .PLM |
DisorderTracker2
Module |
| .PLN |
WordPerfect
Spreadsheet File |
| .PLR |
Descent
Pilot File |
| .PLS |
DisorderTracker2
Sample, WinAmp MPEG PlayList File, Shoutcast File, MYOB
Data File |
| .PLT |
AutoCAD
HPGL Vector Graphic Plotter File, Gerber Sign-making
Software File |
| .PLY |
Autodesk
Polygon |
| .PM |
PM Graphic or Perl
Module |
| .PM3 |
PageMaker
3 Document |
| .PM4 |
PageMaker
4 Document |
| .PM5 |
PageMaker
5 Document |
| .PM6 |
PageMaker
6 Document |
| .PML |
NT4 Performance
Monitor Log File, PADGen Program Information |
| .PN3 |
Harvard
Printer Driver (Harvard Graphics taken over by Serif) |
| .PNG |
Public (Portable)
Network Graphic (proposed GIF replacement), PaintShop
Pro Browser |
| .PNM |
PBM Portable Any Map
Graphic |
| .PNT |
MacPaint File |
| .POG |
Descent2
File |
| .POL |
Music File, AscToHTM
Policy File |
| .POP |
dBase
Popup Menu |
| .POS |
ProCite Output
Styles, QuickPOS
IIF File |
| .POT |
PowerPoint
Template |
| .POV |
Persistence of
Vision Ray-tracer |
| .PP |
Compressed Archive
File |
| .PP4 |
Picture Publisher |
| .PP5 |
Picture Publisher |
| .PPA |
PowerPoint
Add-in |
| .PPB |
WordPerfect Print
Preview Button Bar |
| .PPD |
PostScript Printer
Description |
| .PPF |
Turtle Beach
Pinnacle Program File |
| .PPI |
MS
PowerPoint Graphics File |
| .PPL |
Harvard
Polaroid Palette Plus ColorKey Driver (Harvard Graphics
taken over by Serif) |
| .PPM |
PBM Portable
Pixelmap Graphic |
| .PPO |
Clipper Preprocessor
Output |
| .PPP |
Serif
PagePlus Publication, Parson Power Publisher |
| .PPS |
PowerPoint
Slideshow |
| .PPT |
PowerPoint
Presentation |
| .PPX |
Serif
PagePlus Publication |
| .PPZ |
PowerPoint
Packaged Presentation |
| .PQ |
Adobe
Pagemaker Default Printer Style |
| .PQI |
Power Quest Drive
Imaging Software |
| .PR2 |
Persuasion
Presentation |
| .PR2 |
dBase
IV Printer Driver |
| .PR3 |
dBase
IV PostScript Printer Driver |
| .PRC |
Palmpilot Resource
File |
| .PRD |
Printer Driver |
| .PRE |
Freelance
Presentation |
| .PRF |
Preferences File
(various), dBase IV Printer
Driver, Profiler Output, PICS
Rules File |
| .PRG |
Program File
(various), OzWin Purged Messages File, WAVmaker Program |
| .PRI |
LocoScript
Printer Definitions |
| .PRJ |
Project File, 3D
Studio File, HitPlayer
Advanced Playlist File |
| .PRM |
Parameter File |
| .PRN |
Printer Text File, DataCAD
Windows Printer File, XYWrite Printer Driver, PostScript
File |
| .PRO |
Profile, PROLOG
Program File,
Terramodel
software |
| .PRS |
Printer Resource
File, WordPerfect Printer Resource
Font File, dBase Procedure,
Harvard File (Harvard
Graphics taken over by Serif) |
| .PRT |
Printer
Configuration, Printer-formatted File, Unigraphics
Part File (CAD modeling data) |
| .PRV |
PsiMail Internet
Provider Template, Previous Version (used for files that change) |
| .PRX |
Foxpro
Compiler Program |
| .PRZ |
Freelance
Graphics 97 File |
| .PS |
PostScript |
| .PSB |
Pinnacle Sound Bank |
| .PSD |
Photoshop
Format, Apple Viewer File |
| .PSF |
Chiwriter PostScript
Printer Font |
| .PSI |
PSION A-law Audio |
| .PSM |
Turbo Pascal Symbol
Table, Protracker Studio Module Format, Epic Games Sound Data |
| .PSP |
PaintShop
Pro Image |
| .PST |
MS
Outlook Personal Folder File |
| .PSY |
PLD2
System File (program due out 1Q2001) |
| .PT3 |
Harvard
Device Driver (Harvard Graphics taken over by Serif) |
| .PT3 |
PageMaker
Template |
| .PT4 |
PageMaker
Template |
| .PT5 |
PageMaker
Template |
| .PTM |
PolyTracker Music
Module |
| .PUB |
PGP Public Key Ring,
Ventura Publication, MS
Publisher Document |
| .PUF |
Puffer Encrypted
File |
| .PW |
Professional Write
Text File |
| .PWA |
Password
Agent File |
| .PWD |
Pocket Word Document |
| .PWF |
ProCite Workforms |
| .PWL |
Password List |
| .PWP |
Photoworks Image
File |
| .PWZ |
PowerPoint
Wizard |
| .PX |
Primary Index,
Paradox Primer Database Index |
| .PXL |
Pocket Excel
Spreadsheet |
| .PY |
PYTHON Script, Yahoo
Saved Messages |
| .PYC |
Compiler PYTHON
Script |
| .PZD |
Pizazz Plus File |
| .PZO |
Pizazz Plus File |
| |
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