- .m
Function (program) (Matlab)
- .m
Macro module (Brief)
- .m
Standard package (Mathematica)
- .m11
Text file (MASS11)
- .m3
Modula 3 source code file
- .m3d
3d animation macro
- .m4
M4 preprocessor file (unix)
- .m_u
Backup of boot sector, FAT and boot dir (MazeGold)
- .ma3
Macro (Harvard Graphics 3.0)
- .mac
Bitmap graphics (Macintosh MacPaint)
- .mac
Macro
- .mag
Woody Lynn's MAG graphics format (MPS Magro Paint System)
- .mai
Mail (VAX)
- .mak
Makefile
- .mak
Project file (Visual Basic)
- .man
Command manual
- .map
colour palette
- .map
Format data (Micrografx Picture Publisher)
- .map
Linker map file
- .map
Map (Atlas MapMaker)
- .map
Network map (AccView)
- .mar
Assembly program (VAX Macro)
- .mas
Smartmaster set (Freelance Graphics)
- .mat
Data file (Matlab)
- .max
Max source code file
- .mb
Memo field values for database (Paradox)
- .mbk
Multiple index file backup (dBASE IV)
- .mbx
Mailbox (Eudora/Zerberus)
- .mcc
Configuration file (Mathcad)
- .mcd
Document (Mathcad)
- .mcf
Font file (Mathcad)
- .mci
Mci command script (Media Control Interface)
- .mcp
Application script (Capsule)
- .mcp
Printer driver (Mathcad)
- .mcw
Text file (MacWrite II)
- .md
Compressed file archive created by MDCD (mdcd10.arc)
- .mda
Data (MS Access)
- .mdb
Database (MS Access)
- .mdl
Model (3D Design Plus)
- .mdl
Spreadsheet (CA-Compete!)
- .mdm
Modem definition (TELIX)
- .mdt
Data table (MS ILink incremental linker)
- .mdx
Multiple index file (dBASE IV)
- .me
Usually ASCII text file READ.ME
- .meb
Macro Editor bottom overflow file (WordPerfect Library)
- .med
Macro Editor delete save (WordPerfect Library)
- .med
Music (OctaMED)
- .mem
Macro Editor macro (WordPerfect Library)
- .mem
Memory variable save file (Clipper dBASE IV FoxPro)
- .meq
Macro Editor print queue file (WordPerfect Library)
- .mer
Macro Editor resident area (WordPerfect Library) (vakioalue)
- .mes
Macro Editor work space file (WordPerfect Library)
- .mes
Message
- .met
Macro Editor top overflow file (WordPerfect Library)
- .met
Document (Omnipage Pro)
- .meu
Menu group (DOS Shell)
- .mex
Mex file (executable command) (Matlab)
- .mex
Macro Editor expound file (WordPerfect Library)
- .mf
Metafont text file
- .mgf
Font (Micrografx)
- .mht
MS MHTML Document
- .mib
Snmp MIB file
- .mid
Standard MIDI file (music synthetizers)
- .mii
Datafile (MicroStat-II)
- .mix
Object file (Power C)
- .mk
Makefile
- .mke
Makefile (MS Windows SDK)
- .mki
Japanese graphics MAKIchan format (MagView 0.5)
- .mks
Data (TACT)
- .ml3
Project (Milestones 3.x)
- .mlb
Macro library file (Symphony)
- .mm
Text file (MultiMate Advantage II)
- .mmf
Mail message file (MS Mail)
- .mmm
Movie (RIFF RMMP format) (MacroMind Director 3.x)
- .mmo
Memo writer file (RapidFile)
- .mmp
Output video format from Bravado board
- .mnd
Menu source (AutoCAD Menu Compiler)
- .mng
Map (DeLorme Map'n'Go)
- .mnt
Menu memo (FoxPro)
- .mnu
Advanced macro (HP NewWave)
- .mnu
Menu (AutoCAD Menu Compiler Norton Commander Signature)
- .mnx
Compiled menu (AutoCAD)
- .mnx
Menu (FoxPro)
- .mny
Account book (MS Money)
- .mob
Device definition (PEN Windows)
- .mod
Modula-2 source code file (Clarion Modula-2)
- .mod
Windows kernel module
- .mod
Music (FastTracker many)
- .mon
Monitor description (ReadMail)
- .mov
Movie (AutoCAD AutoFlix)
- .mp2
Mpeg audio file (xing)
- .mpc
Calender file (MS Project)
- .mpg
Mpeg animation
- .mpm
Mathplan macro (WordPerfect Library)
- .mpp
Project file (MS Project)
- .mpr
Generated program (FoxPro)
- .mpt
Bitmap graphics (Multipage TIFF)
- .mpv
View file (MS Project)
- .mpx
Compiled menu program (FoxPro)
- .mrb
Multiple Resolution Bitmap graphics (MS C/C++)
- .mrs
Macro Resource file (WordPerfect for Win)
- .msc
Microsoft C makefile
- .msg
Message
- .msp
Bitmap graphics (Microsoft Paint)
- .mss
Manuscript text file (Perfect Writer Scribble MINCE Jove)
- .mst
Minispecification file (Prosa)
- .mst
Setup script (MS Windows SDK)
- .msw
Text file (MS Word)
- .msx
Compressed CP/M file archive created by MSX
- .mth
Math file (Derive)
- .mtm
Multitracker Module music
- .mtw
Datafile (Minitab)
- .mu
Menu (Quattro Pro)
- .mus
Sound file (MusicTime)
- .mvf
Stop frame file (AutoCAD AutoFlix)
- .mvi
Movie command file (AutoCAD AutoFlix)
- .mvw
Log file (Saber LAN)
- .mwf
Animation (ProMotion)
- .mxt
Data (MS C)
- .myp
Presentation (MM Make Your Point)
- .nap
Naplps file (VideoShow) (EnerGraphics)
- .nb
Text file (Nota Bene)
- .nc
Graphics (netcdf)
- .nc
Instructions for NC (Numerical Control) machine (CAMS)
- .ncc
Cnc (Computer Numeric Control) control file (CamView 3D)
- .ncd
Norton Change Directory support file (Norton Commander)
- .ndb
Network database (Intellicom Compex)
- .ndx
Index file (dBASE II III IV dBFast)
- .neo
Raster graphics (Atari Neochrome)
- .net
Network configuration/info file
- .new
New info
- .nfo
Info file
- .ng
Online documentation database (Norton Guide)
- .nlm
Netware Loadable Module
- .nlx
Form (FormWorx 3.0)
- .np
Project schedule (Nokia Planner) (Visual Planner 3.x)
- .npi
Source for DGEN.EXE intepreter (dBASE Application Generator)
- .nsf
Lotus Notes / Domino database
- .nst
Music (NoiseTracker)
- .nt
Startup files (Windows NT)
- .ntf
Lotus Notes / Domino template file
- .ntr
Executable ASCII text file (strip header and rename) (netrun31.zip)
- .nts
Tutorial (Norton)
- .nts
Executable ASCII text file (strip header and rename) (netsend1.zip)
- .ntx
Index (Clipper 5)
- .nuf
Message for new users on their 1st call (Procomm Plus)
- .nws
Info text file (latest news) (ASCII)
- .nxt
Sound (NeXT format)
- .o
Object file (unix Atari GCC)
- .o$$
Outfile (Sprint)
- .oaz
Fax (NetFax Manager)
- .ob
Object cut/paste file (IBM LinkWay)
- .obj
Object code (Intel Recolatable Object Module)
- .obr
Object browser data file (Borland C++)
- .obs
Script (ObjectScript)
- .obv
Visual interface (ObjectScript)
- .ocf
Object Craft File (Object Craft)
- .ocr
Incoming fax transcribed to text (FAXGrapper)
- .ocx
OLE custom control
- .odl
Type library source (Visual C++)
- .ofd
Form definition (ObjectView)
- .off
Object File Format vector graphics
- .okt
Music (Oktalizer)
- .olb
Object library (VAX)
- .old
Backup file
- .oli
Text file (Olivetti)
- .oom
Swap file (Shroom)
- .opn
Active options (Exact)
- .opt
Optimize support file (QEMM)
- .opw
Organization chart (Org Plus for Windows)
- .opx
Inactive options (Exact)
- .ora
Parameter file (Oracle)
- .org
Calendar file (Lotus Organizer)
- .otl
Outline font description (Z-Soft Type Foundry)
- .otx
Text file (Olivetti Olitext Plus)
- .out
Output file
- .ov1
Overlay file (part of program to be loaded when needed)
- .ov2
Overlay file (part of program to be loaded when needed)
- .ovd
Datafile (ObjectVision)
- .ovl
Overlay file (part of program to be loaded when needed)
- .ovr
Overlay file (part of program to be loaded when needed)
- .p
Pascal source code file
- .p
Rea-C-Time application parameter file (ReaGeniX code generator)
- .p
Picture file (APPLAUSE)
- .p16
Music (16 channels) (ProTracker Studio 16)
- .p22
Patch file (Patch22)
- .p65
Adobe Pagemaker v6.5
- .pa1
Worktable (PageAhead)
- .pac
Stad Image (graphics ?)
- .pac
Package (SBStudio II)
- .pad
Keypad definition (Telemate)
- .pak
Compressed file archive created by PAK (pak251.exe)
- .pal
colour palette
- .pan
Printer-specific file (copy to coreldrw.ink) (CorelDRAW)
- .par
Parts application (Digitalk PARTS)
- .par
Parameter file (Fractint)
- .par
Permanent output file (Windows 3.x)
- .pas
Pascal source code file
- .pat
Hatch patterns (AutoCAD Photostyler)
- .pat
Vector fill files (CorelDRAW)
- .pb
Fax (FAXability Plus)
- .pb
Phonebook (WinFax Pro)
- .pb
Setup file (PixBase)
- .pb1
Document (First Publisher for Windows)
- .pba
Powerbasic BASIC source code (Genus)
- .pbd
Phone book (FaxNOW! Faxit)
- .pbi
Powerbasic include file (Genus)
- .pbi
Profiler Binary Input (MS Source Profiler)
- .pbl
Powerbasic library (Genus)
- .pbm
Pbm Portable Bit Map graphics
- .pbm
Planar bitmap graphics (XLib)
- .pbo
Profiler Binary Output (MS Source Profiler)
- .pbt
Profiler Binary Table (MS Source Profiler)
- .pc
Text file containing IBM PC specific info
- .pc3
Custom palette (Harvard Graphics 3.0)
- .pc8
Ascii text IBM8 character set (NewWave Write)
- .pcc
Cutout picture vector graphics (PC Paintbrush)
- .pcd
Graphics (Kodak PhotoCD)
- .pcf
Profiler Command File (MS Source Profiler)
- .pch
Patch file
- .pch
Precompiled header (MS C/C++)
- .pcj
Multimedia authoring tool graphics (IBM's Linkaway-Live)
- .pck
Pickfile (Turbo Pascal)
- .pcl
HP-PCL graphics data (HP Printer Control Language)
- .pct
Bitmap graphics (Macintosh b&w PICT1 colour PICT2)
- .pcw
Text file (PC Write)
- .pcx
Bitmap graphics (PC Paintbrush)
- .pda
Bitmap graphics
- .pdb
Data (TACT)
- .pdd
Adobe PhotoDeluxe Image
- .pdf
Package Definition File
- .pdf
Graphics file (ED-SCAN 24bit format)
- .pdl
Project Description Language file (Borland C++ 4.5)
- .pds
Pds graphics
- .pds
Pldasm source code file (hardware assembly)
- .pdv
Printer driver (Paintbrush)
- .pdw
Document (Professional Draw)
- .peb
Program Editor bottom overflow file (WordPerfect Library)
- .ped
Program Editor delete save (WordPerfect Library)
- .pem
Program Editor macro (WordPerfect Library)
- .peq
Program Editor print queue file (WordPerfect Library)
- .per
Program Editor resident area (WordPerfect Library) (vakioalue)
- .pes
Program Editor work space file (WordPerfect Library)
- .pet
Program Editor top overflow file (WordPerfect Library)
- .pfa
Type 3 font file (unhinted PostScript font)
- .pfb
Type 1 font file
- .pfc
Text file (First Choice)
- .pfk
Programmable function keys (XTreePro)
- .pfm
Windows Type 1 font metric file
- .pfs
Database (PFS:FILE) text file (PFS:Write)
- .pft
Printer font (ChiWriter)
- .pg
Page cut/paste file (IBM LinkWay)
- .pgi
Printer Graphics File device driver (PGRAPH library)
- .pgm
Portable Grayscale bitMap graphics
- .pgm
Program (Signature)
- .pgp
Support file (Pretty Good Privacy RSA System)
- .pgs
Manual page (man4dos)
- .ph
Optimized .goh file (Geoworks)
- .ph
Perl header file
- .ph
Phrase-table (MS C/C++)
- .phn
Phone list (UltraFax QmodemPro)
- .pho
Phone database (Metz Phone for Windows)
- .phr
Phrases (LocoScript)
- .pic
Pixar picture file (SDSC Image Tool)
- .pic
Bitmap graphics (Macintosh b&w PICT1 colour PICT2)
- .pic
Bitmap graphics (many eg. Lotus 1-2-3 PC Paint)
- .pif
Program Information File (Windows 3.x)
- .pif
Vector graphics GDF format (IBM mainframe computers)
- .pit
Compressed Mac file archive created by PACKIT (unpackit.zoo)
- .pix
Alias image file (SDSC Image Tool)
- .pj
Project (CA-SuperProject)
- .pjt
Project memo (FoxPro)
- .pjx
Project (FoxPro)
- .pk
Packed bitmap font bitmap file (TeX DVI drivers)
- .pka
Compressed file archive created by PKARC
- .pkg
Installer script (Next)
- .pkt
Fidonet packet
- .pl
Perl source code file
- .pl
Prolog source code file
- .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 (FoxPro)
- .plc
Add-in file (functions macros applications) (Lotus 1-2-3)
- .pll
Pre-linked library (Clipper 5)
- .pln
Spreadsheet (WordPerfect for Win)
- .plt
Hpgl plotter file vector graphics (AutoCAD)
- .plt
Palette
- .plt
Pre-linked transfer file (Clipper 5)
- .ply
Data (PopMail)
- .ply
Presentation screen (Harvard Spotlight)
- .pm
Bitmap graphics (Presentation Manager)
- .pm3
Document (PageMaker 3)
- .pm4
Document (PageMaker 4)
- .pm5
Document (PageMaker 5)
- .pmc
Graphics (A4TECH Scanner)
- .pmm
Program file (Amaris BTX/2)
- .pn3
Printer device driver (Harvard Graphics 3.0)
- .png
Bitmap graphics (Portable Network Graphics)
- .pnm
Pbm Portable aNy Map (PNM) graphics
- .pnt
Macintosh painting
- .pnt
Qwk reader pointer file (MarkMail 2.x)
- .poh
Optimized .goh file (Geoworks)
- .pop
Messages index (PopMail)
- .pop
Pop-up menu object (dBASE Application Generator)
- .pov
Raytraced graphics image (Persistence Of Vision)
- .pow
Chord chart (PowerChords)
- .pp
Compressed Amiga file archive created by POWERPACKER
- .ppb
Button bar for Print Preview (WordPerfect for Win)
- .ppl
Polaroidpaletteplus ColorKey device driver (Harvard Graphics 3.0)
- .ppm
Portable Pixel Map graphics
- .ppo
Pre-processor output (Clipper 5)
- .ppp
Publication (PagePlus)
- .pps
Storyboard (Personal Producer)
- .ppt
General file extension (PowerPoint)
- .pr2
Presentation (Aldus Persuasion 2.x)
- .pr2
Printer driver (dBASE IV)
- .pr3
Postscript printer driver (dBASE IV)
- .pr3
Presentation (Aldus Persuasion 3.x)
- .prd
Printer driver (many)
- .pre
Presentation (Freelance Graphics)
- .pre
Settings (Programmer's WorkBench MS C/C++)
- .prf
Pixel Run Format graphics (Improces Fastgraph)
- .prf
Printer driver (dBASE IV)
- .prf
Profiler output
- .prg
Program (Atari)
- .prg
Program source (dBASE IV FoxPro Clipper 5 dBFast)
- .pri
Printer definitions (LocoScript)
- .prj
Project
- .prm
Parameters
- .prn
Printer driver (Signature)
- .prn
Text file (Lotus 1-2-3 Symphony)
- .pro
Prolog source code file
- .pro
Graphics profile file (DOS)
- .prs
Printer Resource eg. fonts (WordPerfect for Win)
- .prs
Presentation (Harvard Graphics Win)
- .prs
Procedure (dBASE IV)
- .prt
Printer driver (Dr.Halo)
- .prx
Compiled program (FoxPro)
- .ps
Postscript file (text/graphics) (ASCII)
- .psd
Graphics (Photoshop 3.0)
- .pse
Bitmap graphics (IBM printer Page SEgment)
- .psf
Outline PostScript printer font (ChiWriter)
- .psm
Music (MASI ProTracker)
- .psm
Symbol table of IDE (Turbo Pascal)
- .psp
Procedure (Prodea Synergy)
- .pt3
Device driver (Harvard Graphics 3.0)
- .pt3
Template (PageMaker 3)
- .pt4
Template (PageMaker 4)
- .ptb
Script (PubTech BatchWorks)
- .ptm
Macro (PubTech BatchWorks)
- .ptr
Qwk reader pointer file (QMail)
- .pub
Page template (MS Publisher)
- .pub
Public key ring file (Pretty Good Privacy RSA System)
- .pub
Publication (Ventura Publisher 1st Publisher)
- .put
Compressed file archive created by PUT (put334.zip)
- .pvd
Script (Instalit)
- .pvl
Library (Instalit)
- .pvt
Local Fidonet pointlist
- .pw
Text file (Professional Write)
- .pwl
Password List
- .pwp
Text document (Professional WritePlus)
- .px
Primary database index (Paradox)
- .py
Python script file
- .pyc
Compiled PYTHON 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)
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