File extensions that begin with P.
Ext. Type of file
P65 Pagemaker document Ver. 6.5
P7S PKCS #7 signature
P10 Tektronix Plot10 plotter
PAK DOS PAK archive
PAL Windows palette
PAR Parity
PAR2 Parity
PAS Pascal source code
PAT CorelDRAW pattern
PBD PowerBuilder dynamic library
PBK Microsoft Phonebook
PBK Public encryption key
PBM Portable Bitmap
PCH Precompiled header
PCL HP LaserJet series
PCD Photo CD bitmap
PCM LaserJet cartridge info.
PCS PICS animation
PCT PC Paint bitmap
PCT Mac PICT image
PCW PC Write document
PCX PC Paintbrush bitmap
PDB eReader e-book
PDF Portable Document Format (Acrobat)
PDF Printer driver
PDF Printer description (QuarkXpress)
PDV PC Paintbrush printer driver
PDW HiJaak vector graphics
PEM Privacy Enhanced Mail (keys, certificates)
PFA Type 1 font (ASCII)
PFB Type 1 font (encrypted)
PFM Windows Type 1 font metrics
PGL HPGL plotter (vector graphics)
PIC Various vector formats:
PIC Lotus 1-2-3
PIC Micrografx Draw
PIC Mac PICT format
PIC IBM Storyboard bitmap
PIF Windows shortcut
PIF IBM Picture Interchange
PIN Epic Pinball data
PIT Mac Packit archive
PIX Inset Systems image
PKG NextStep installer package
PKG Sybase installation file package
PKR PGP public key (public keyring)
PL Perl library
PLS Playlist
PLT AutoCAD plotter file
PLT HPGL plotter file
PLX Executable Perl script
PM PageMaker graphics/text
PM Perl module
PMx PageMaker document (x=ver.)
PML PageMaker library
PMT PageMaker template
PNG PNG bitmap
POTX OpenXML PowerPoint template
POTM OpenXML PowerPoint template & macro
POV POV-Ray ray tracing
PP4 Picture Publisher 4
PPAM PowerPoint add-in (Open XML)
PPD PostScript printer description
PPK Putty private key
PPM Portable Pixelmap
PPS PowerPoint slide show
PPSM OpenXML PowerPoint show & macro
PPSX OpenXML PowerPoint show
PPT PowerPoint
PPTM PowerPoint macro
PPTX OpenXML PowerPoint
PRC HOOPS exchange format
PRD Microsoft Word printer driver
PRE Lotus Freelance
PRF Outlook profile settings
PRG dBASE source code
PRN XyWrite printer driver
PRN Temporary print file
PRS WordPerfect printer driver
PRS Harvard Graphics
PRT Formatted text
PS PostScript page description
PS1 PowerShell script version 1
PS2 PowerShell script version 2
PSD Photoshop native format
PSR Powersoft report
PST Outlook local data
PTx PageMaker template (x=ver.)
PUB Microsoft Publisher publication
PUB Ventura Publisher publication
PUZ Across puzzle
PVK Private encryption key
PWL Windows password list
PY Python program