PRB-xyAlgebra-Probabilities-File
PR_-Compressed-Project-File
PR_-compressed-proj-file
PRC-Resource-text-or-program-file-3com-PalmPilot
PRDG-Elastic-Reality-Project
PRD-Printer-driver-Generic
P-ReaGeniX-Code-Generator-Application-Parameter-File
PREEXTENSIONMANAGER-Macromedia-Dreamweaver-4-Configuration-Menus-file
PREF-Macintosh-Preferences-File
PREFPANE-Mac-OS-X-System-Preference-Pane
PREF-Preference-file
PREFS-Eclipse-project-settings-file
PREFS-Preferences-File
PREL-Adobe-Premiere-Elements-Project
PREP-AMBER-PREP-chemical-modeller-input-file
PRE-Presentation-Lotus-Freelance
PREP-Unknown-Apple-II-File
PRER-Mac-File-Type
PR-EROSION-3D-Precipitation-Parameters
PRES-Chooser-Extension
PRE-Settings-Microsoft-C-C
PRE-Settings-Programmer-s-WorkBench
PRETTY-Prettyalign-output-file
PREXPORT-Premiere-Preset-Adobe-Systems-Incorporated
PRF2-Nord-Modular-G2-Performance-Clavia-DMI-AB
PRFL-Mac-File-Type
PRF-Microsoft-outlook-profile-file
PRF-Output-file-Profiler
PRF-Pixel-Run-Format-graphics-Improces-Fastgraph
PRF-Printer-driver-dBase-IV
PRF-Settings-file-Macromedia-Director
PRG-Program-file-WAVmaker
PRG-Program-source-files-Atari
PRG-Program-source-files-dBase-IV-Clipper-5-and-Microsoft-FoxPro
PRH-Cold-Fusion-Studio-3-1-Project
PRH-HomeSite-3-0-Project
PRI-Printer-definitions-LocoScript
PRIVY-PrivyPad-SlavaSoft-Inc
PRJPCB-Altium-Designer-Project-Altium-Limited
PRJ-Project-file-3D-Studio-DOS
PRJZIP-Maestro-Compressed-Project-Schr-dinger-LLC
PRK-CampgroundMaster-ResortMaster-Database
PRK-Campground-Master-Resort-Master-Database-Cottonwood-Software
PRKLOG-Campground-Master-Resort-Master-Log-File-Cottonwood-Software
PRK-Thrillville-Park-File
PRK-Tony-Hawk-s-Pro-Skater-2-saved-park
PRL-Paint-Shop-Pro-Presets-file
PRL-Paint-Shop-Pro-Rough-Leather-Preset-Corel-Corporation
PRL-Perl-Script
PRL-Process-Revolution-Object-Library-file
TechTarget file types