文件格式大全(I-R)

I Intermediate file (Borland C++)
IAN Text file (Sterling Software) (Groundworks COOL Business Team Mode
l)
IAX Bitmap (IBM Image Acess eXecutive)
IBM Compressed archive (ARCHDOS, IBM Internal only)
ICA Citrix file
ICA Bitmap graphic (Image Object Content Architecture)
ICB Targa bitmap
ICC Printer file (Kodak)
ICC Catalog file (IronClad)
ICD Drawing file (IronClad)
ICL Icon Library (Generic industry standard)
ICM Image Color Matching profile
ICN Icon source code
ICO Icon (Microsoft Windows 3.x)
ICS Scene file (IronClad)
ID Disk identification file (Generic)
IDB Intermediate file (Microsoft Developer)
IDD MIDI Instrument Definition
IDE Project file (Borland C++ v4.5)
IDF MIDI Instrument Definition (Windows 95 required file)
IDIF Identification file (Netscape saved address book)
IDQ Data Query (Internet)
IDW Vector graphic (IntelliDraw)
IDX Relational database index (Microsoft FoxPro)
IDX Relational database index (Symantec Q&A)
IDX Microsoft Outlook Express file
IDX Index file (Microsoft Clip Gallery v. 1.x)
IDX Index file (Pro/Engineer)
IFD Form (JetForm Design)
IFF Interchange file, (general purpose data storage format))
IFF Image (Sun TAAC/SDSC Image Tool)
IFO Digital Video Disk (DVD) datafile
IFO Graphic object layer data (ImageForge Pro)
IFP Script file (KnowledgeMan)
IFS Compressed fractal image (Yuvpak)
IFS System file (OS/2)
IFS Create executable library (ImageForge/ImageForge Pro)
IGES Initial Graphics Exchange Specification (Generic)
IGF Metafile (Inset Systems)
IIF Interchange file (QuickBooks for Windows)
IIM Music module
ILB Datafile (Scream Tracker)
ILBM Bitmap (graphic image)
ILK Program outline (Microsoft ILink incremental linker)
IM8 Raster graphic (Sun Microsystems)
IMA Image (WinImage)
IMA Vector graphic (EGO,Chart)
IMF MIDI music file (Corridor 7, Blake Stone, Wolfenstein 3D, Spear of
Destiny)
IMG Image (GEM)
IMG Bitmap graphic (Ventura Publisher)
IMP Spreadsheet (Lotus Improv)
IMQ Image presentation (ImageQ)
IMS Create executable library data (IconForge)
IN$ Installation file (HP NewWave)
IN3 Input device driver (Harvard Graphics v3.0)
INB Test script (Vermont High Test)
INC Include file (Assembler language or Active Server)
IND Index (dBase IV)
IND Shared Database file (Specifically in Microsoft Windows)
INF Information file (Generic)
INF Type I LaserJet font information file
INF Install script (Generic)
INI Initialization file (Generic)
INI Setup file (MWave DSP synth's mwsynth.ini GM)
INI Bank setup file (Gravis UltraSound)
INK Pantone reference fills file (CorelDRAW)
INL Inline function file (Microsoft Visual C++)
INP Source code for form, (Oracle,version 3.0 and earlier)
INRS INRS-Telecommunications audio
INS Install script (InstallShield)
INS Sign-up file (X-Internet)
INS Instrument file (Ensoniq EPS Family)
INS Sample (Cell/II MAC/PC instruments)
INS Datafile (Microsoft WordPerfect for Windows)
INS Installation script (1st Reader)
INS Instrument music file (Adlib)
INT Intermediate executable code (Produced when a source program is sy
ntax-checked)
INT Interfaced units (Borland)
INX Index file (Foxbase)
IO Compressed archive (CPIO)
IOB 3D graphics database (TDDD format)
IOC Organizational chart (Instant ORGcharting!)
IOF Findit document (Microsoft Findit)
ION File description (4dos descript.ion)
IPL Pantone Spot reference pallette (CorelDRAW)
IPS International patching system binary patch file
IQY Internet inquiry (Microsoft)
ISO Lists the files on a CD-ROM; based on the ISO 9660 CD-ROM file sys
tem standard
IRS Resource file (Microsoft WordPerfect for Windows)
ISD Spell checker dictionary (RapidFile)
ISH Compressed archive (ISH)
ISO ISO (International Standards Organization table, aka: ISO)
ISP Sign-up file(X-Internet)
IST Instrument file (Digitaltracker)
ISU Uninstall script (InstallShield)
IT Settings file (intalk)
ITF Interface file (JPI Pascal TopSpeed)
IT Music module (MOD) (Impulse Tracker)
ITI Instrument file (Impulse Tracker)
ITS Sample file (Impulse Tracker)
ITS Internet document set (possibly a Microsoft file)
IV Open Inventor file
IVD Microdata dimension or variable-level file (Beyond 20/20)
IVP User subset profile (Beyond 20/20)
IVT Table or aggregate data (Beyond 20/20)
IVX Microdata directory (Beyond 20/20)
IW Screensaver (Idlewild)
IW Presentation flowchart (IconAuthor-HSC Interactive)
IWA Text file (IBM Writing Assistant)
IWC Install Watch document
IWM Start file (IconAuthor)
IWP Text file (Wang)
IZT Binary token file (IZT)
===================================


JAR Java ARchive (a compressed file for applets and related files)
JAS Graphic (Generic)
JAVA Source code (Java)
JBD Datafile (SigmaScan)
JBF Image browser file (Paint Shop Pro)
JBX Project file (Project Scheduler 4.0)
JFF JPEG image
JIF JPEG image
JFIF JPEG image
JMP Discovery chart-to-statistics (SAS JMP)
JN1 Jill of the Jungle data (Epic MegaGames)
JNB Workbook file (Sigma Plot 5)
JOB Vector graphics file created by conversion of a IMG file (QuestVis
ion)
JOR Journal (Microsoft SQL Server)
JOU Journal backup (VAX Edt editor)
JPC Graphic (Japan PIC)
JPE JPEG image
JPEG JPEG compressed bitmap
JPG JPEG bitmap
JS JavaScript source code
JSD Jet Suite document (eFAX)
JSP A HTML page containing a reference to a Java servlet
JTF JPEG bitmap
JTF Fax document (Hayes JT Fax)
JTF Bitmap graphic (JPEG Tagged Interchange Format)
JTK Java ToolKit file (Sun Microsystems)
JW Text document (JustWrite)
JWL Library (JustWrite)
JZZ Spreadsheet (Jazz)
J62 Ricoh camera file
===================================


K25 Sample file (Kurzweil 2500)
KAR MIDI file (text+MIDI) (Karaoke)
KB Keyboard script (Borland C++ 4.5)
KB Program source code (Knowledge Pro)
KBD Keyboard mapping script (Procomm Plus, LocoScript, Signature)
KBM Keyboard mapping script (Reflection 4.0)
KCL Lisp source code (Kyoto Common Lisp)
KDC Image (Kodak Photo-Enhancer)
KEX Macro (KEDIT)
KEY Icon toolbar (DataCAD)
KEY Datafile (Forecast Pro)
KEY Keyboard Macro
KEY Security file (Such as a software registration number)
KFX Image (KoFax Group 4)
KIZ Digital postcard (Kodak)
KKW Contains all K-keywords in the RoboHELP Help project Index Designe
r not associated with topics
KMP KeyMaP (Korg Trinity)
KPP Toolpad (SmartPad)
KPS Bitmap graphic (IBM KIPS)
KQP Native Camera file (Konica)
KR1 Sample (multi-floppy) file (Kurzweil 2000)
KRZ Sample file (Kurzweil 2000)
KSF Sample File (Korg Trinity)
KYB Keyboard mapping (FTP)
KYE Game data (Kye)
===================================

L Source code (Lex)
L Source code (Lisp)
L Linker directive file (WATCOM wlink)
LAB Datafile (NCSS-SOLO)
LAB Label file (Visual dBase)
LAB Mailing labels (Microsoft Excel)
LAN Loadable module (LAN DLL) (NetWare)
LAY Word Chart layout (APPLAUSE)
LAY Clipart file (Printmaster Gold)
LBG Label generator data (dBase IV)
LBL Label (dBase IV)
LBL Label (Clipper 5)
LBL Label (dBFast)
LBM Bitmap (DeluxePaint)
LBM Linear Bitmap graphics (XLib)
LBO Compiled label (dBase IV)
LBR Compressed archive (LU)
LBR Display driver (Lotus 1-2-3)
LBT Labels (Microsoft FoxPro)
LBX Labels (Microsoft FoxPro)
LCF Linker control file (Norton Guides compiler)
LCH Used in a program (unknown) that monitors a network's response tim
e
LCK Lockfile (Paradox)
LCL Datafile (FTP)
LCN Lection document (Microsoft WordPerfect for Windows)
LCS Data History file (ACT!)
LCW Spreadsheet (Lucid 3-D)
LD Long distance area codes file (Telix)
LD1 Overlay file (dBase)
LDB Lock file (Microsoft Access)
LDF Library definition file (Geoworks Glue)
LDIF Structured text file used for sharing information between E-Mail
clients (Microsoft, Netscape and others)
LDL Library (Corel Paradox)
LEG Legacy document
LES System game profiles (same as REG file) (Logitec Entertainment)
LEV Level file (NetHack 3.x)
LEX Dictionary file (Generic)
LFD Data resource file (LucasArts Dark Forces)
LFP LaserForms Plus file (Evergreen)
LFT Loft file (3-D Studios) (DOS)
LFT Laser printer font (ChiWriter)
LG Logo procedure definition (LSRHS Logo)
LGC Application log file
LGD Application log file
LGO Logo file (PaintBrush)
LGO Header and footer logo (SuperFax)
LGO Startup logo (Microsoft Windows 3.x-9.x)
LHA Alternate file suffix for LZH
LHA Compressed Archive (LHA/LHARC)
LHW Compressed Amiga archive (LHWARP)
LIB Library file (Generic)
LIF Logical Interchange data (Hewlett-Packard)
LIF Compressed archive (Generic)
LIM Compressed archive (LIMIT)
LIN Line type file (DataCad)
LIN Interactive music sequencing data file (Electronic Arts)
LIS Output file produced by a Structured Query Reporting (SQR) program

LIS Listing (VAX)
LIX Logos library system file
LJ Text file (Hewlett-Packard LaseJet II printer)
LK Database file (OpenSight-16 bit)
LKO Linked object (Microsoft Outlook Express Junkmail file)
LL3 Document file (LapLink III)
LLX Exchange agent (Laplink)
LNK Shortcut file (Microsoft Windows 9.x)
LNK Linker response file (RTLink)
LNK Datafile (Revelation)
LOD Load file (Generic)
LOG Log file (Generic)
LOK Compressed file (FileWrangler)
LP A document reader used for downloading mortgage closing information
(DesertDocs)
LPC Printer driver (TEKO)
LPD Helix Nuts and Bolts file
LPI Information file for laser printers (common with some scanning sof
ware)
LRC Video phone file (Intel)
LRF Linker response file (Microsoft C/C++)
LRS Language resource file (Microsoft WordPerfect for Windows)
LSF Logos library system file
LSL Saved library (Corel Paradox)
LSL Script library (Lotus)
LSP AutoLISP, CommonLISP, and other LISP language files
LSS Spreadsheet (Legato)
LST List file (Generic)
LST Keyboard macro (1st Reader)
LST Spool file (Oracle)
LTM Form (Lotus Forms)
LU Library unit file (ThoughtWing)
LVL Miner Descent/D2 Level extension (Parallax Software)
LWD Text document (LotusWorks)
LWF Wavelet graphics file (Luratech)
LWLO Layered Object file (Lightwave)
LWOB Object file (Lightwave)
LWP Wordpro 96/97 file (Lotus)
LWSC Scene file (Lightwave)
LWZ Linguistically enhanced sound file (Microsoft)
LYR Layer file (DataCAD)
LZD Difference file for binaries (Ldiff 1.20)
LZH Compressed archive (LH ARC)
LZS Compressed archive (LARC)
LZS Data file (Skyroads)
LZW Compressed Amiga archive (LHWARP)
LZX Compressed archive (Generic)
===================================

M Program file (Matlab)
M Macro module (Brief)
M Standard package (Mathematica)
M11 Text file (MASS11)
M1V MPEG-related file (MIME type 'mpeg')
M3 source code file (Modula 3)
M3D 3D animation (Corel Motion)
M3U MPEG URL (MIME audio file) (MP3 Playlist)
M4 M4 Preprocessor file (Unix)
M_U Hard Drive Boot sector backup (MazeGold)
MA3 Macro (Harvard Graphics 3.0)
MAC Image (MacPaint)
MAC Macro (Generic)
MAD Module (Microsoft Access)
MAF Form (Microsoft Access)
MAG A graphics format found in some Japanese files
MAG MAG graphics format created by Woody Lynn (MPS Magro Paint System)

MAGIC Configuration file (Magic Mail Monitor)
MAI Mail (VAX)
MAK Project (Visual Basic or Microsoft C++)
MAK Makefile (Generic)
MAM Macro (Microsoft Access)
MAN Manual page output (Unix)
MAN Command module (Unix)
MAP Map file (Generic)
MAP WAD game file (Duke Nukem 3D)
MAP Color pallette (Generic)
MAP Format data (Micrografx Picture Publisher)
MAP Linker map file
MAP Map file used for color choices (Pro/Engineer)
MAP Map file (Atlas MapMaker)
MAP Network map (AccView)
MAQ Query (Microsoft Access)
MAR Report (Microsoft Access)
MAR Assembly program (VAX Macro)
MAS Graphics file (Lotus Freelance Smartmaster)
MAT Binary file (Matlab)
MAT Table (Microsoft Access)
MAUD Sample format (Maud)
MAX 3D scene (Kinetix 3D Studio Max)
MAX Document (Paperport)
MAX Layout file (OrCad)
MAX Source code (MAX)
MAZ Maze data file (Hover)
MAZ A format use by Division's dVS/dVISE
MB Memo field values for database (Paradox)
MB1 Data file (Apogee Monster Bash)
MBK Multiple index archive (dBase IV)
MBOX Mailbox file (Berkeley Unix)
MBX Extension Microsoft Outlook adds to saved email, Eudora mailboxes

MCC Calling card (Dialer10)
MCC Configuration file (MathCad)
MCD Document (MathCad)
MCF Font file (MathCad)
MCF Magic control file
MCI Command script (Media Control Interface)
MCP Project file (Metrowerks CodeWarrior)
MCP Application script (Capsule)
MCP Printer driver (MathCad)
MCR Keyboard macro file (DataCad)
MCW Document (Microsoft Word for Macintosh)
MCW Text document (MacWrite II)
MD Compressed archive (MDCD)
MDA Add-in file (Microsoft Access)
MDA Workgroup (Microsoft Access version 2)
MDB Database (Microsoft Access)
MDE MDE file (Microsoft Access)
MDL Spreadsheet (CA-Compete!)
MDL Music module (MOD) (Digital Trakker)
MDL Model (3D Design Plus)
MDL Model file (Quake)
MDL Model file element (Rational Rose)
MDM Modem definition (Telix)
MDN Blank database template (Microsoft Access)
MDT Data table (Microsoft ILink incremental linker)
MDT Add-in file (Data) (Microsoft Access)
MDW Workgroup (Microsoft Access)
MDX Multiple index file (dBase IV)
MDZ Wizard template (Microsoft Access)
ME ASCII text document (Generic)
MEB Macro editor bottom overflow library (Microsoft WordPerfect for Wi
ndows)
MED Music module (MOD) (OctaMed Music Editor)
MED Macro editor delete save file (Microsoft WordPerfect for Windows)

MEM Macro editor macro (Microsoft WordPerfect for Windows)
MEM Memory variable save file (Clipper)
MEM Memory variable save file (dBase IV)
MEM Memory variable save file (Microsoft FoxPro)
MEQ Macro editor print queue file (Microsoft WordPerfect for Windows L
ibrary)
MER Format for interchanging spreadsheet/database data; recognized by
Filemaker, Excel, and others
MER Macro editor resident area (Microsoft WordPerfect for Windows Libr
ary)
MES Macro editor workspace file (Microsoft WordPerfect for Windows)
MES Message file (Generic)
MET Presentation Manager metafile
MET Macro editor top overflow file (Microsoft WordPerfect for Windows
Library)
MET Document file (OmniPage Pro)
MEU Menu group (DOS Shell)
MEX Executable command (Matlab)
MEX Macro editor expound file (Microsoft WordPerfect for Windows)
MF Metafont text file
MFG Manufacturing file (Pro/ENGINEER)
MGF Font file (MicroGrafx)
MGF A file in a Materials and Geometry Format
MHT MHTML document (Microsoft)
MHTM MHTML document (MIME)
MHTML MHTML document (MIME)
MI Data file (Cocreate ME10)
MI Miscellaneous file (Generic)
MIC Image Composer file (Microsoft)
MID MIDI music
MIF Interchange format (Adobe FramMaker)
MIFF Machine Independent File (Generic)
MII Datafile (MicroStat-II)
MIM A multipart file in the Multi-Purpose Internet Mail Extensions (MI
ME) format; often created as the result of sending e-mail with attachm
ents in AOL. The files in a multipart MIM file can be "opened" (unarch
ived and separated into individual files) using Winzip or a similar pr
ogram.
MIME See MIM.
MIX Object file (Power C)
MIX Picture file (Microsoft PhotoDraw 2000)
MIX Picture file (Microsoft Picture-It!)
MIX Package file (Command & Conquer)
MIX Resource archive (Westwood Studios)
MJF Audio file similar to MP3 (Mjuice) (Opens with WinAmp)
MK Makefile (Generic)
MKE Makefile (Microsoft Windows SDK)
MKI Graphic Image (MagView 5.0) (Japanese)
MKS Datafile (TACT)
ML3 Project file (Milestones 3.x)
MLB Macro library (Symphony)
MLI A file in 3D Studio's Material-Library format
MLID Muliple link interface driver file (Generic)
MLM Groupwise email file (Novell Groupwise)
MM Text file (MultiMate Advantage II)
MMC Catalog file (Microsoft Clip Gallery 5.x)
MMF Mail message file (Microsoft Mail)
MME A multipart file in the Multi-Purpose Internet Mail Extensions (MI
ME) format; often created as the result of sending e-mail with attachm
ents in AOL. The files in a multipart MME file can be "opened" (unarch
ived and separated into individual files) using Winzip or a similar pr
ogram.
MMF Meal Master Format, a recipe catologing format
MMF Mail file (Microsoft)
MMG Beyond 20/20 table or aggregate data file
MML Bulk mail file (Created by MyMailList)
MMM Multimedia movie (Microsoft)
MMM Multimedia movie (MacroMind Director 3.x)
MMO Memo Writer file (RapidFile)
MMP MindManager file (MindMapor)
MMP Output video (Bravado)
MN2 Mission file (Descent2)
MN3 Mission file (Descent3)
MND Menu source (AutoCAD Menu Compiler)
MND, MNI Mandelbrot for Windows
MNG Map (DeLorme Map'n'Go)
MNG Multi-image Network Graphics
MNT Menu file (Microsoft FoxPro)
MNU Menu file (Visual dBase)
MNU Advanced macro (HP NewWave)
MNU Interact menu (Intertal Systems)
MNU Menu (AutoCAD Menu Compiler)
MNU Menu (Norton Commander)
MNX Menu (Microsoft FoxPro)
MNX Compiled menu (AutoCAD)
MNY Account book (Microsoft Money)
MOB Device definition (PEN for Windows)
MOD FastTracker, StarTrekker, Noise Tracker (etc.) music module file

MOD Spreadsheet (Microsoft Multiplan)
MOD Modula-2 source code file (Clarion Modula-2)
MOD Kernel module (Microsoft Windows 9.x)
MOD Amiga/PC tracker module
MON Monitor description (ReadMail)
MOV Movie (QuickTime for Microsoft Windows)
MOV Movie (AutoCAD/AutoFlix)
MOZ Zipped (Compressed) mod file
MP2 MPEG Audio Layer 2
MP3 MPEG Audio Layer 3 (AC3)
MPA MPEG-related file (MIME type 'mpeg')
MPC Calendar file (Microsoft Project)
MPD Database file (Microsoft Project)
MPE MPEG animation
MPEG MPEG animation
MPG MPEG animation
MPM Mathplan Macro library (Microsoft WordPerfect for Windows)
MPP Project file (Microsoft Project)
MPP Drawing file (CAD)
MPR Menus (compiled) (Microsoft FoxPro)
MPT Bitmap graphics (Multipage TIFF)
MPV View file (Microsoft Project)
MPX Compiled menu program (Microsoft FoxPro)
MPX Exchange file (Microsoft Project) used for exporting data
MP2 MPEG Audio Layer 2 file (MIME video file)
MP3 MPEG Audio Layer 3 (AC3) file
MRB Multiple resolution bitmap graphics (Microsoft C/C++)
MRI MRI Scan
MRS Macro resource file (Microsoft WordPerfect for Windows)
MSA Archive (Magic Shadow)
MSC Makefile (Microsoft C)
MSC Common console document (Microsoft Windows 2000)
MSD Diagnostics report file (Microsoft MSD) (Diagnostics)
MSDL Scene Description Language (Manchester)
MSG Mail message (Microsoft)
MSI Installer package (Microsoft Windows)
MSN Network document (Microsoft)
MSN Mission File (Descent)
MSP Paint bitmap (Microsoft)
MSP Windows Installer patch file
MSS Manuscript text file (Perfect Writer)
MSS Manuscript text file (Scribble)
MSS Manuscript text file (MINCE)
MSS Manuscript text file (Jove)
MST Windows Installer transform
MST Minispecification file (Prosa)
MST Setup script (Microsoft SDK)
MSW Text file (Microsoft Word)
MSX Compressed CP/M archive (MSX)
MTH Math file (Derive)
MTM Music module (MOD) (Multitracker)
MTW Datafile (Minitab)
MTX Twain device driver (32 bit)(UMax)
MU Menu (Quattro Pro)
MUL Online game called Ultima online
MUS Music (Generic)
MUS Interactive music audio data file (Electronic Arts)
MUS Music (MusicTime)
MUS10 Audio (Mus10)
MV Server-side script file (Miva)
MVA Video accelerator file (Matrox)
MVB Multimedia Viewer file (Microsoft)
MVC Image file (Sony Digital Mavica)
MVE Interplay video file (Descent2, Fallout2)
MVF Stop frame file (AutoCAD-AutoFlix)
MVI Movie command file (AutoCAD-AutoFlix)
MVW Log file (Saber LAN)
MWF Animation (ProMotion)
MWP Smartmaster file (Lotus WordPro 97)
MXD Map file (ArcInfo)
MXT Datafile (Microsoft C)
MYP Presentation file (Make Your Point)
===================================

NAN Nanoscope files (Raw Grayscale)
NAP Metafile (NAP)
NAP Video file (EnerGraphics)
NB Text file (Nota Bene)
NC Instructions for numerical control machine (CAMS)
NCB Developer Studio file (Microsoft)
NCC CNC (Computer Numeric Control) file (CamView 3D)
NCD Change directory (Norton)
NCF Command File (Netware)
NCF Internal clipboard (Lotus Notes)
NDB Network database (Intellicom)
NDO 3D low-polygon modeler (Nendo)
NDX Index file (dBase II-III-IV)
NDX Database file (1ACT! for Microsoft Windows)
NDX Index file (Cindex)
NEO Raster graphics (Atari Neochrome)
NES Emulator ROMS for game console (Nintendo)
NET Network configuration file
NET Netlist output file (Orcad Schematic Capture)
netCDF Network Common Data Form
NEW New info
NEZ Emulator file used for game consoles (NES)
NFF Neutral File Format
NFO Info file database text
NFO Infobase file (Folio)
NFT Template file (Netobject Fusion)
NG Online documentation database (Norton Guide)
NIL Icon Library file (EasyIcons-compatible) (Norton)
NIST Audio (NIST Sphere)
NLB Data (Oracle 7)
NLM Loadable Module (Netware)
NLS National Language Support file used for localization (for example,
by Uniscape)
NLU E-Mail Trigger file (Norton LiveUpdate)
NLX Form (FormWorx 3.0)
NOD File (Netobject Fusion)
NP Project schedule (Nokia Planner)
NP Project schedule (Visual Planner 3.x)
NPI Source for interpreter (dBase Application Generator)
NRF Data file (NICOLET)
NRG Image file (Nero)
NSF Database (Lotus Notes)
NSO Document file (NetObject Fusion)
NST Music module (MOD) (Noise Tracker)
NS2 Database (Lotus Notes version 2)
NS3 Database (Lotus Notes version 3)
NS4 Database (Lotus Notes version 4)
NT Startup files (Microsoft Windows NT)
NTF Database template (Lotus Notes)
NTR Executable ASCII text file
NTS Tutorial (Norton)
NTS Executable ASCII text file
NTX Index file (CA-Clipper)
NUF Message for new users (1st call) (Procomm Plus)
NWC Song file (Noteworthy Composer)
NWS News message (MIME RFC822) (Microsoft Outlook Express)
NXT Sound file (NeXT)
===================================

O Object file (Unix)
O Object file (Atari)
O Object file (GCC)
OAS Word processor document (Fujitsu OAS)(Japanese)
OAZ Fax (NetFax Manager)
OB Object cut/paste file (IBM LinkWay)
OBD Binder template (Microsoft Office)
OBD Binder (Microsoft Office)
OBJ Object file
OBR Object browser data file (Borland C++)
OBS Script (ObjectScript)
OBV Visual interface (ObjectScript)
OBZ Binder Wizard (Microsoft Office)
OCF Object craft file (Object Craft)
OCR Transcribed fax-to-text file (FAXGrabber)
OLE Object Linking and Embedding (OLE) custom control (Microsoft)
ODL Type library source (Visual C++)
ODS Mailbox file (Microsoft Outlook Express)
OFD Form definition (ObjectView)
OFF Object File (3D Mesh)
OFN FileNew file (Microsoft Office)
OFT Template (Microsoft Outlook)
OKR Feldeinteilung module file (3-D Fassade Plus)
OKT Music module (MOD) (Oktalyzer)
OLB Object Library (OLE) (Microsoft)
OLB Object library (VAX)
OLD Backup file (Generic)
OLE OLE object
OLI Text file (Olivetti)
OO1 Voice file (Typhoon)
OOGL Object Oriented Graphics Library
OOM Swap file (Shroom)
OPJ Project file (Orcad Schematic Capture)
OPL Organiser Programming Language source file (Psion/Symbian)
OPN Active options (Exact)
OPO Output executable file (OPL)
OPT Developer Studio file (Microsoft)
OPT Optimize support file (QEMM)
OPW Organization chart (Org Plus for Windows)
OPX Extension DLL (OPL)
OPX Inactive options (Exact)
ORA Parameter file (Oracle)
ORC Script (Oracle 7)
ORG Calendar file (Lotus Organizer)
OR2 Calendar file (Lotus Organizer 2)
OR3 Lotus Organizer 97 file
ORA Configuration file (Oracle 7)
OSS Search file (Microsoft Office)
OST Offline file (Microsoft Exchange/Outlook)
OTL Outline font description (Z-Soft Type Foundry)
OTL Template file (Super NoteTab) (Fookes)
OTL Template file (PrintMaster Gold)
OTX Text file (Olivetti Olitext Plus)
OUT Output file (Microsoft C)
OV Database file (Revelation-DOS)
OV1 Overlay file 
OV2 Overlay file
OVD Datafile (ObjectVision)
OVL Overlay file
OVR Overlay file
O$$ Outfile (Sprint)
===================================

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 Vi
sual 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-Pack
ard)
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 Pho
toDeluxe
PDF Portable Document file (Adobe Acrobat) (displayable with a Web bro
wser)
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)
PDT Database file (ProCite)
PDV Printer driver (Paintbrush)
PDW Document (Professional Draw)
PDX Database index file (ProCite)
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 Win
dows 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 Windo
ws Library)
PES Program Editor work space file (Microsoft WordPerfect for Windows
Library)
PET Program Editor top overflow file (Microsoft WordPerfect for Window
s 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) (Mi
crosoft)
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)
PM Module (Perl)
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)
PQI Drive image file (PowerQuest)
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 Pinball)
PSM Symbol table of IDE (Turbo Pascal)
PSP Image file (PaintShop Pro)
PSP Procedure (Prodea Synergy)
PSR Report file (PowerSoft)
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)
===================================

QAD Document (PF QuickArt)
QAG Quick Access Group data file (Norton Desktop)
QAP Application file (Omnis Quartz)
QBE Saved query (dBase IV)
QBE Saved Query (Quattro Pro)
QBO Compiled query (dBase IV)
QBS Program file (Microsoft QuickBasic)
QBW Spreadsheet data (QuickBooks for Windows)
QCP Voice file (Qualcomm Pure Voice)
QD0 Data file-segment 10 (Omnis Quartz)
QD1 Data file segment 1 (Omnis Quartz)
QD2 Data file segment 2 (Omnis Quartz)
QD3 Data file segment 3 (Omnis Quartz)
QD3D QuickDraw 3D Metafile (Apple)
QD4 Data file segment 4 (Omnis Quartz)
QD5 Data file segment 5 (Omnis Quartz)
QD6 Data file segment 6 (Omnis Quartz)
QD7 Data file segmnet 7 (Omnis Quartz)
QD8 Data file segment 8 (Omnis Quartz)
QD9 Data file segment 9 (Omnis Quartz)
QDF Data file (Quicken)
QDK Backup of startup files (QEMM)
QDT Data file from the Quicken UK Accountancy/Tax/Invoice program (Qui
ckBooks)
QDV Graphics file (Steve Blackstock Giffer)
QEF Query file (Microsoft Excel)
QEL Electronic library file (Quicken)
QFL Document (FAMILY LAWYER)
QFX Fax (QuickLink)
QIC Backup file (Microsoft)
QIF Image (MIME)(QuickTime)
QIF Import file (Quicken)
QLB Library file (Quick)
QLB Library file (Microsoft C/C++)
QLC Data (PostScript help file)
QLP Printer driver (QuickLink)
QM Motion file (Quality)
QM4 Option or services file (QMail 4.x Mail Door)
QPR Generated query program (Microsoft FoxPro)
QPR Print queue device driver (OS/2)
QPX Compiled query program (Microsoft FoxPro)
QQT Qardware definition file (Quick Qard Technology)
QRP Report builder file (Centura)
QRP Report file (Liberty for Windows 2.0)
QRS Equation Editor support file (Microsoft WordPerfect for Windows)

QRT QRT graphics file (Ray Tracer)
QRY Query (Microsoft)
QRY Query (dBase IV)
QSD Datafile (Quicken)
QST Tab file (Quake Spy)
QT Movie file (QuickTime)
QTI Image file (QuickTime)
QTIF Image file (QuickTime)
QTM Movie file (QuickTime)
QTP Preferences file (QuickTime)
QTS PICT image file (Macintosh)
QTS Image file (QuickTime)
QTX Image file (QuickTime)
QW Write program file (Symantec Q&A)
QWK Message file (QWK Reader)
QXD Data file (Quark Xpress)
QXL Element library (Quark Xpress)
QXT Template file (Quark Xpress)
===================================

R Ratfor file (FORTRAN Preprocessor)
R Resource file (Pegasus Mail)
RA Sound file (RealAudio)
RAD Radar data file (Radar ViewPoint)
RAM Metafile (RealAudio)
RAO ReadAllOver (YOUniverse)
RAR RAR compressed archive (Eugene Roshall's format)
RAS Bitmap (Sun Raster Images)
RAT Datafile (RATS)
RAW Raw File Format (bitmap)
RAW Raw signed PCM data
RAW Raw signed PCM data
RBF Datafile (Rbase)
RBH Maintained by RoboHELP, the RBH file adds to the information conta
ined in the Help project file
RC Resource script (Micosoft C/C++)
RC Resource script (Borland C++)
RC Configuration file (emacs)
RCG Newsgroup file (Netscape)
RD1 Registered level file (Descent1)
RDF Resource Description Framework file (related to XML and metadata)

RDF Compiled UIC source code (Geoworks UI Compiler)
RDF Research document information format
RDI Device-independent bitmap file
RDL Registered Level file (Descent)
RDX Datafile (Reflex)
REC Datafile (EpiInfo)
REC Recorded macro (Microsoft Windows 3.x)
REC Voice file (RapidComm)
REC Record file (Sprint)
RED Path information file (Clarion Modula-2)
REF Reference file (Generic)
REG Registration file
REG Registration file (Corel)
REG OLE registration file (Microsoft Windows 3.x)
REM Remarks file (Generic)
REP Reply file (QWK Reader)
REP Report file (Visual dBase)
REP Report file (Report Designer)
REP Report file (DataBoss)
REP Report file (CodeReporter)
REQ Request file (Generic)
RES Resource file (Microsoft Visual C++)
RES Compiled resource file (Borland C++)
RES Resource file (dBase IV)
REV Revision file (GeoWorks)
REX Source code file (REXX)
REX Report definition (Oracle)
REZ Resource file (Generic)
RF Raster graphics file (Sun)
RFT Revisable Form Text (part of IBM's DCA or Document Content Archite
cture)
RGB, SGI RGB files (Silicon Graphics)
RGX Symbol tables (ReaGeniX code generator)
RH Resource header file (Borland C++ 4.5)
RI Data file (Lotus 1-2-3)
RIB Graphics in Renderman format (3DReality)
RIC Fax document (Ricoh)
RIF RIFF bitmap graphics (Fractal Design Painter)
RIF Image file (Metacreations Painter 5)
RIP Graphics (remote access)
RIX Bitmap graphics (ColorRIX VGA Paint)
RL1 Regestered level file (Descent1)
RL2 Registered level file (Descent2)
RL4 Bitmap graphics file
RL8 Bitmap graphics file
RLA Wavefront raster image (SDSC Image Tool)
RLB Data file (Harvard Graphics Win 9.x)
RLC Graphics file (1 bit per pixel scanner output file)
RLE Run-Length Encoded bitmap (SDSC Image Tool)
RLZ Realizer source code file (CA-Realizer)
RM Video file (RealAudio)
RMD Document (Microsoft RegMaid)
RMF Rich Map Format (used by 3-D game editors to store a map)
RMF Rich music format (Beatnik)
RMI MIDI music
RMK Makefile (Clipper RMake)
RN Xpl Program file (Nota Bene)
RND Rendering slide (AutoCAD-AutoShade)
RNO Runoff file (VAX)
ROL FM music Adlib Music file (Roland)
ROM Cartridge-based home video game emulator file (exact copy of ROM c
ontents in cartridges from Atari 2600, Colecovision, Sega, Nintendo, e
tc.; not interchangeable between emulators)
ROV Data file (Rescue Rover)
RPD Database (RapidFire)
RPL Text document (Replica)
RPL Video file (Tomb Raider)
RPM Package Manager (RedHat Linux)
RPT Crystal Reports file ( and a sub-set of Microsoft Visual Basic)
RRS Saved game file (Ace Road Rash)
RS Datafile (Amiga Resource Reassembler)
RSB Red Storm bitmap (Rainbow 6 (Game) and several image editing progr
ams)
RSC Resource file (Generic)
RSL Paradox 7 reports (Broderland)
RSM Resume file (WinWay Resume Writer)
RSP Response file (Generic)
RS_ Resourse fork file (Macintosh Mac-ette)
RTF Rich Text Format document
RTF Help file script (Microsoft Windows 9.x)
RTL Run Time library (NU 7.0)
RTM Music module (MOD) (Real Tracker)
RTK Used by RoboHELP to simulate the search feature of Windows help
RTL Text file (Generic)
RTP Software update package data file (RTpatch)
RTS RTSL document (RealAudio)
RTS Runtime library file (CA-Realizer)
RTS RoboHELP to speed complex operations
RUL Extension used in InstallShield
RUN Compiled output p-code file (Softworks basic compiler) (SoftworksL
td)
RVP Scan Configuration file (MIME) (Microsoft)
RVW Review file (Generic)
RWS Resource Workshop data file (Borland C++)
RWX Script file (RenderWare)
RXX RAR compressed files from a multi-volume archive (xx = a number fr
om 01 to 99)
R8 Raw graphics (One byte per pixel) plane one (PicLab)
R8P Pcl 4 bitmap font (Intellifont)

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