.PAB - Personal Address Book - Microsoft ( file extension ).

.PAK - Quake game data ( file extension ).

.PAL - Paintbrush palette ( filename extension ).

.PAS - Pascal program file

.PAT - Pattern - Corel Draw ( file extension pat ).

.PBK - Microsoft Phonebook ( filename extension pbk ).

.PBM - Portable Bit Map

.PCD - Photo CD format

.PCL - HP LaserJet

.PCM - LaserJet cartridge information

.PCS - PICS animation (file extension).

.PCT - PC Paint

.PCW - PC Write

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.PDF - Portable document format for Adobe Acrobat file ( file extension .pdf )

     

.PDV - PC Paintbrush printer driver

.PFA - Type 1 font - ASCII

.PFB - Type 1 font - encrypted

.PFM - Postscript Font Metrics; Windows Type 1 font metrics

.PGL - HPGL 7475A plotter - vector graphics

.PGM - Portable Gray Map bitmap ( filename extension ).

.PHTML - HTML document with preprocessing instructions (PPIs) ( file extension ).

.PIC - PICT graphics format, or PIXAR picture file

.PICT - Macintosh QuickDraw/PICT This kind of file stores images in QuickDraw vector format. PICT2 can have grayscale bitmapped images also.

.PIF - Program Information File - Windows

.PIT - PackIt - Macintosh compression

.PIX - Inset Systems graphics

.PJX - Project file - Visual FoxPro ( filename extension ).

.pkg - AppleLink package compression format These files are decodable by StuffIt Expander.

.PL - Perl script ( file extension pl ).

.PLT - Plotter drawing ( file type ).

.PM - PageMaker

.PM3 - PageMaker 3 document

.PM4 - PageMaker 4 document

.PM5 - PageMaker 5 document

.PNG - 1. Portable Network Graphics bitmap.
2. Paint Shop Pro Browser ( file extension png ).

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.POV - Persistence Of Vision raytracer ( file type pov ).

.PPA - PowerPoint Add-in - Microsoft ( filename extension ).

.PPD - PostScript Printer Description

.PPM - Portable PixelMap ( filename extension ).

.PPS - PowerPoint Slideshow ( filename extension pps ).

.PPSX - Microsoft PowerPoint 2007 XML Show ( filename extension ppsx ).

.PPT - PowerPoint presentation ( file extension ppt ).

.PRD - Printer driver - Microsoft Word, Word Perfect, Microsoft Works (filename extension).

.PRG - A dBASE source code file

.PRJ - Project file

.PRN - (1.) Print file - temporary (2.) XyWrite printer driver (3.) PostScript file

.PRS - WordPerfect printer driver

.PRT - Formatted text ( file extension .prt )

.PS - PostScript. This is a plain text file.

.PSD - Photoshop Document

.PST - Personal folder file (PST). The file where Microsoft Office Outlook stores its data is .pst

.PUB - PUB is a Microsoft Publisher file. Publisher can be used to create .pub files such as newsletters, flyers, and brochures.Open pub file with Microsoft Publisher software. ( file extension .pub ).

.PWD - Pocket Word document - Microsoft ( filename extension ).

.PWZ - Microsoft PowerPoint Wizard ( filename extension ).