file extension Windows/OS2/Apple/Unix/Dos

File ExtensionsWindows/OS2/Apple/UNIX

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I = Borland C++ Preprocessor : intermediate preprocessor output file
I = IDATM chemical modeller output file
I = Phase Vocorder : Analysis data
I = Progress Include File
I0 = Winter Windows Scheduler file
I00 = Winphone phonebook
I01 = Winphone phonebook
I02 = Winphone phonebook
I08 = wisosparbuch2008file open with: "%ProgramFiles%\WISO\Sparbuch 2008\wiso2008.exe" "%1"
I09 = wisosparbuch2009file open with: "%Applications%\WisoSpar2009\wiso2009.exe" "%1"
I16 = Nokia Logo File
I17 = Pixel Power Collage image format
I18 = Pixel Power Collage image format
I1C = "IBM Voice Type" languages Newuser file
I1I = "IBM Voice Type" languages Newuser file
I2C = "IBM Voice Type" languages Newuser file
I2I = "IBM Voice Type" languages Newuser file
I3 = Modula-3 : Interface source
I3C = "IBM Voice Type" languages Newuser file
I3I = "IBM Voice Type" languages Newuser file
I_I = Eru/erd file
IA = Game: roland garros tennis persons file
IAF = MS Outlook 97 and 2000 E-mail Account Settings
IAM = AutoDesk Inventor Assembly
IAN = Sterling Software COOL Business Team Model Text File Sterling now Computer Associates.
IAP = 256 color Palette ASM
IAX = IBM Image Access eXecutive file : IBM mainframe and workstation image prgs
IB7 = Pixel Power Collage image format
IBA = Image format unknown
IBA = MDE InfoHandler Infobase File
IBC = Outlook.File.ibc open with: "%ProgramFiles%\MICROS~3\Office12\OUTLOOK.EXE" /v "%1"
IBD = PDS Picture
IBG = PDS format : Bitmap graphics - planetary images by NASA
IBK = Sound Blaster Instrument Bank
IBM = ARCHDOS : Compressed file archive (Internal IBM only)
IBM = Commodore Amiga graphics
IBP = ibp_auto_file open with: "%Root%\Tools\IsoBuster\IsoBuster.exe" "%1"
IBQ = ibq_auto_file open with: "%Root%\Tools\IsoBuster\IsoBuster.exe" "%1"
IBQ01 = ibq01_auto_file open with: "%Root%\Tools\IsoBuster\IsoBuster.exe" "%1"
IBY = ROM image component include file
IC = Modula-3 : M3CG intermediate language file
IC = Spice : Initial Condition
IC0 = Mime: application/vnd.commerce-battelle
IC1 = Atari Image : Bitmap graphics
IC1 = Mime: application/vnd.commerce-battelle
IC2 = Atari Image : Bitmap graphics
IC2 = Mime: application/vnd.commerce-battelle
IC3 = Atari Image : Bitmap graphics
IC3 = Mime: application/vnd.commerce-battelle
IC4 = Mime: application/vnd.commerce-battelle
IC5 = Mime: application/vnd.commerce-battelle
IC6 = Mime: application/vnd.commerce-battelle
IC7 = Mime: application/vnd.commerce-battelle
IC8 = Mime: application/vnd.commerce-battelle
IC? = 2d Graphic
IC_ = Compressed Ict file
ICA = Citrix file
ICA = IBM MO : DCA - IOCA 1 bit-bitmap
ICA = Mime: application/vnd.commerce-battelle
ICA = Misc
ICAp = (MAC FILE_TYPE) Internet Config
ICAp = (MAC FILE_TYPE) Internet Preference File
ICB = Image Capture Board image format
ICB = Truevision Targa format : Bitmap 2d graphics
ICC = Animation Softdisk
ICC = International Color Consortium profile for printers & scanners (Apple ColorSync 2.0)
ICC = IronCAD Catalog file
ICC = Kodak Camera file
ICC = Mime: application/vnd.commerce-battelle
ICD = IronCAD 2D CAD File
ICD = Mime: application/vnd.commerce-battelle
ICD = Rayman2 game file
ICE = Archive .LZH/.Lharc (Cracked LHA) (old Lha)
ICE = Cooltalk audio
ICE = Mime: x-conference/x-cooltalk
ICF = Cheyenne AntiVirus
ICF = Mime: application/vnd.commerce-battelle
ICL = icon library ImageForge
ICL = icon library ImageForge PRO
ICL = icon library pc tools
ICL = icon library: ActivIcons
ICM = Earl F. Glynn color tablecolor table
ICM = ICC Profile; Image Color Matching Profile
ICMP = Internet Control Message Protocol
ICMS = Ragtime extensions file
ICN = Icon language source code file
ICN = Micrografx Icon
ICN = RIP icon : Graphics
ICN = SunOS mono icon
ICNS = icnsfile open with: "%ProgramFiles%\Axialis\IconWorkshop\IconWorkshop.exe" %1
icns = (MAC FILE_TYPE) Icons File
ICO = Gimp Icon
ICO = Icon ICE icon viewer
ICO = Mime: image/x-icon
ICO = Unix : Icon image
ICO = Windows 3.x/95/NT Icon Resource
ICO_ = (MAC FILE_TYPE) Windows Icon
icon = (MAC FILE_TYPE) Folder Custom Icon
ICON = Icon 8 chemical modeller output file
ICON = Unix : Icon image (1bit black and white Sun icon file)
ICONTAINER = iclfile open with: "%ProgramFiles%\Axialis\IconWorkshop\IconWorkshop.exe" %1
ICONTAINER = IrfanView open with: "%ProgramFiles%\IrfanView\i_view32.exe" "%1"
ICP = Unix : Parameter file (IContact)
ICQ = ICQ files archive files and exported address book.
ICR = NCSA Telnet Interactive Color Raster graphic file : Bitmap graphics
ICS = Image Cytometry
ICS = Inovate 3D CAD File
ICS = IronCAD 3D CAD File
ICS = Outlook Calendar File
ICS = SwiftView Command File
ICT = image related file ( TIFF and ISO)
ICTE = (MAC FILE_TYPE) Internet Config
ICV = film .AVI (Bond)
ICV = In Chair Viewing
ICW = Icon file
ICW = MS Internet Explorer Internet Connect Wizard
ICX = More Than Words file
ID = 3d Graphic
ID = Disk Identification File
ID = Gamecode
ID = Lotus Notes ID File
ID = MS Data Map Microsoft MS Data Map
ID3 = ID3 resource
ID_ = C Poet compressed Disk1 file
IDA = MS Server File (Code Red Worm attaks default.ida)
IDB = A-B-CD Info file
IDB = Delphi Pascal Object file
IDB = IDA : Database
IDB = MS Developer Intermediate MDPX File
IDC = Core Software tech IDC file : Bitmap graphics
IDC = IDA C language source code file
IDC = Internet Database Connector : Document
IDC = Mime: text/plain
IDC = SQL (Structured Query Language) file. Information needed to access an ODBC database.
IDD = MIDI Instrument Definition
IDE = Borland C++ : Project
IDE = gen. file used to store settings for an IDE compiler
IDE = Integrated Development Environment Configuration File
IDE = Sophos Anti-Virus Virus IDEntity File
IDF = Identification file
IDF = Sound
IDF = Windows 95 : MIDI Instrument Definition
IDIF = Netscape saved address book : Identification file
IDL = Snappy Devdocs
IDL = Visual C++ : Interface definition library file
iDLL = (MAC FILE_TYPE) CodeWarrior DLL
IDM = Ulead Photo Express messages file
IDMEF = Snort file
IDO = DICTWB file
IDQ = Data Query Internet IE Explorer
IDQ = SQL (Structured Query Language) query
iDrw = (MAC FILE_TYPE) ClarisImpact Drawing
IDS = 3D data file for Minos
IDS = IDA : Imported names format
IDS = Scene file (Infini-D)
IDS = WFO-A : Data
IDT = Identification
IDW = Aldus IntelliDraw Vector Graphic
IDW = AutoDesk Inventor Drawing
IDX = Corel QuickFinder Information
IDX = FAX file
IDX = Header information (CMYK image) (Stork format)
IDX = ICQ index
IDX = Index file (Microsoft Clip Gallery v. 1.x)
IDX = Index file Pro/Engineer
IDX = Index file, used by many applications
IDX = LaTeX index
IDX = Microsoft Outlook Express file: mailbox
IDX = Misc
IDX = Relational database index (Microsoft FoxPro)
IDX = Symantec Q&A relational database index file
IDX = temporary Internet Mail file AOL
IDY = Index file
IE1-3 = Internet Explorer 3 Address Book
IE3 = Internet Explorer 3 file
IEE-695 = IEEE 695 information (postscript)
IEF = Image Exchange Format : Bitmap graphics
IEF = Mime: image/ief
IEFS = Mime: image/ief
IEL = Erazer98 file
IEM = Informix error message
IES = Photometric File Data
IF9 = Pixel Power Collage image format
IFD = Jet Form Design Form
IFF = Alias Wavefront image
IFF = Amiga IFF/8SVX Interchange File Format : Bitmap graphics
IFF = Amiga IFF/8SVX Interchange File Format : Sound
IFF = Bitmap image , many formats
IFF = Bitmap image Amiga IFF ILBM
IFF = Bitmap image Deluxe Paint
IFF = Bitmap image Electronic Arts
IFF = Bitmap image Sun TAAC Image File Format
IFF = DESR VFF greyscale bitmap image
IFF = Graphic, Sound (Interchangeable File Format)
IFF = Image Deluxe paint, Electronic Arts
IFF = Maya image format
IFF = Philips CDi File
IFF = ProWrite Document
IFF = Simple Musical Score
IFF = Sun TAAC Image File Format : SDSC Image Tool
IFF = TDI Explore image
IFF = TextCraft Document
IFILE = Amaya i386 file
IFM = Mime: application/vnd.shana.informed.formdata
IFN = Amma Lsb v1.0 init file
IFO = DVD datafile : Digital Video Disk
IFO = ImageForge Pro : Graphic object layer data
IFO = Info file
IFP = KnowledgeMan : Script
IFR = Game: Formula 1racing Databin Cars _common file
IFS = Fractint : Iterated function system fractal
IFS = IconForge ImageForgePro Image EXE Library
IFS = Mime: image/ifs
IFS = OS/2 installable file system
IFS = YuvPak : Fractal image compressed file
IFX = IMAGINE effect file
IG = Modula-3 : Generic interface source
IGES = Draft for IGES 5.x
IGES = Initial 2D/3D Graphics Exchange Specification ( many prgs, Autocad and sim..)
IGES = Mime: application/iges
IGES = Mime: model/iges
IGF = Bitmap Picture : Hijack graphics bitmap
IGF = Image Systems
IGF = Inset Systems metafile
IGF = Misc
IGF = Sound file
IGF = vector graphics
IGL = inSORS IG Layout File http://www.insors.com
IGM = inSORS IG Meeting File http://www.insors.com
IGN = ICQ ignore list
IGP = Igor Reader Sheet Music File
IGR = SmartSketch : Drawing design file
IGS = 2D or 3D CAD model : Initial Graphics Exchange Specification format
IGS = CAD overlay 4.1-7.2 (releases 12&13 and S8 release 14)
IGS = IGS setup existing account
IGS = Image Systems Grayscale, 8-bits
IGS = Mime: application/iges
IGS = Mime: model/iges
IGT = ImageGadget Template by altuit http://www.altuit.com
IGV = inSORS IG Venue File http://www.insors.com
IGX = iGrafx flow chart and process model
IHP = Watcom : Help file
IHS = Bink/+ : Inbound History
IHTML = yet another HTML format , see html,htm,stm,dhtml,mhtml,thtml,shtml,..................
II = gcc : Preprocessed C++ source code
IID = Tonline Bsw4 install Iid file
IIF = Mime: application/vnd.shana.informed.interchange
IIF = QuickBooks for Windows : Interchange file
III = Intel IPhone-compatible
III = Mime: application/x-iphone
IIM = Image Inshape
IIM = Music Module
IIMG = Interleaf image format
IKO = Windows Icon Resource see ico
IL = default extension of .NET Assembler(ILASM.EXE) (IL = Intermediate Language)
IL = Fortran 90 : Inline expansion file
IL = Icon Library : HDC Designer Icon Lin Dll format
ILB = Scream Tracker : Data
ILBM = Amiga Interleaved BitMap format : Bitmap graphics
ILG = MakeIndex (TeX) track file
ilht = (MAC FILE_TYPE) Internet Location File
iLib = (MAC FILE_TYPE) ClarisDraw Art Library
ILK = Microsoft Link : incremental linker info
ILL = 2d Graphic
ILL = Agati illustrated image file
ILL = ILL Transaction File
ILM = Amiga IFF Image
ilma = (MAC FILE_TYPE) Mailto UR
ILS = Win3 Winword file
ILSR = Iomega reader
IM = 3d Graphic
IM = Sun raster file : grey Bitmap graphics
IM04 = Image Sun Raster
IM1 = 1bit Sun raster file : Bitmap graphics
IM24 = 24bit Sun raster file : Bitmap graphics
IM30 = Image Sun Raster
IM32 = 32bit Sun raster file : Bitmap graphics
IM5 = Image IM5 (Visilog)
IM8 = 8bit Sun raster file : Bitmap graphics
IM? = 2d Graphic
IM_ = Midiprg Improve compressed file
IMA = AIM Grey Scale image
IMA = EGO - Chart - Autumn : Mirage vector graphics
IMA = Mime: application/x-ima
IMA = WinImage : Graphics
IMA = Zenographics image
IMAGE = Disk Copy, ShrinkWrap : Disk Image
IMAGINE = Object & Texture Imagine 3.0
IMAKE = Imake file
IMAP = Mime: application/x-httpd-imap
IMC = game sound similar to wav Dark Forces, Phantom Menace and X-Wing Alliance
IMD = Mime: application/immedia
IME = WINXP SYSTEM32 DLLCACHE file
IMF = ImageForge Image EXE Library saved filtered brushes
IMF = MIDI music file Corridor 7
IMF = MIDI music file Blake Stone
IMF = MIDI music file Spear of Destiny
IMF = MIDI music file Wolfenstein 3D
IMG = ADEX Corporation ChromaGraph graphics cards : Bitmap graphics : 4bit or 8bit
IMG = Alias Research, Vivid ray-tracer : Bitmap graphics (24bit RLE)
IMG = ArcView : ERDAS Imagine image file
IMG = Bitmap Graphic (several programs)
IMG = CloneCd Related File
IMG = Disk Copy, ShrinkWrap : Disk Image
IMG = Erdas Imagine MIS Picture Format
IMG = Image Whatnot Picture Format
IMG = Old or New style Gem Format
IMG = Planetary Data System image format
IMG = Radiance Picture Format
IMG = Starbase Picture Format
IMG = Ventura Publisher : Bitmap graphics VDI image format
IMH = IncrediMail contacts exportfile
IMH = IRAF format files image format
IMI = Turbo Pascal Dos file
IMJ = Pegasus Image Corp format : Bitmap graphics
IMP = Crayola Art Image
IMP = FileMaker Pro : Import data filter
IMP = IMP : Compressed file archive
IMP = Lotus Improv : Spreadsheet
IMP = Lotus Improv Spreadsheet
IMP = Mime: application/vnd.accpac.simply.imp
IMP = Pascal implementation
IMP = Urban Chaos Game File
IMQ = ImageQ : Image presentation
IMQ = Planetary images by NASA (compressed PDS format)
IMS = IconForge : Create executable library data
IMS = Mime: application/immedia
IMS = Music file
IMS = Rebel Assault file
IMT = IMNET Graphics format
IMZ = WinImage compressed file
IN = Input file
IN = McAfee Antivirus : EDISKDOS.in
IN$ = HP NewWave : Installation file
IN0 = backup of INI
IN1 = Ini file back
IN2 = InoculateIT virus scanner
IN3 = Input Device driver of HARVARD GRAPHICS 3.0
IN_ = MS Setup information (not!! compressed text)
INA = Dos file
INB = Rebel Assault backup
INB = Vermont HighTest : Test script
INC = Active Server include file
INC = Astro windows file
INC = INClude file (several programming languages)
INC = JAWS text file
INC = MS-Backup incremental file
INC = PovRay 2 or 3
INC = Spice : Include file subcircuit
INC = Wincommander include file
INCDSENDTO = lnkfile special configuration file for application(binary format)
IND = dBase IV or DataPerfect Index
IND = LaTeX or TeX makeindx index
IND = Shared Database file (Specifically in Microsoft Windows)
IND = windows/applog index
inDd = (MAC CREATOR CODE) Indesign's Document (also *.indd) (PC ext: IND)
inDd = (MAC FILE TYPE) Indesign's Document
INDD = Adobe Indesign Document
INDEX = Index file
INDIGO = Indigo Graphics Format
inDn = (MAC CREATOR CODE) InDesign
inDn = (MAC FILE TYPE) Indesign's Document (also *.indd) (PC ext: IND)
IndX = (MAC FILE_TYPE) EasyView Index
Indx = (MAC FILE_TYPE) Microsoft Mail Index
INF = "AUTORUN.INF", auto-start CD-ROM
INF = Adobe Type Manager font information
INF = BLUEWAVE inf file
INF = General information file
INF = Hypertext help system file (OS/2 Buch)
INF = Inspiration Mind Mapping Software File(ver 7-)
INF = Mime: application/inf
INF = OS/2 2.0 Information Presentation Facility (IPF) Data Format
INF = Type 1 LaserJet font information file (soft font installers)
INF = Windows setup file/ install script
INFINI-D = Infini-D 3.0 Format
INFO = Amiga : Icon Data
INFO = unix : GNU info reader (output from texinfo)
INFO-1 = cygwin info file
INFO-10 = cygwin info file
INFO-11 = cygwin info file
INFO-12 = cygwin info file
INFO-13 = cygwin info file
INFO-14 = cygwin info file
INFO-15 = cygwin info file
INFO-16 = cygwin info file
INFO-17 = cygwin info file
INFO-18 = cygwin info file
INFO-19 = cygwin info file
INFO-2 = cygwin info file
INFO-20 = cygwin info file
INFO-21 = cygwin info file
INFO-22 = cygwin info file
INFO-23 = cygwin info file
INFO-24 = cygwin info file
INFO-25 = cygwin info file
INFO-26 = cygwin info file
INFO-27 = cygwin info file
INFO-28 = cygwin info file
INFO-29 = cygwin info file
INFO-3 = cygwin info file
INFO-30 = cygwin info file
INFO-4 = cygwin info file
INFO-5 = cygwin info file
INFO-6 = cygwin info file
INFO-7 = cygwin info file
INFO-8 = cygwin info file
INFO-9 = cygwin info file
INFOPATHXML = InfoPath.Document.2 open with: "%ProgramFiles%\Microsoft Office\Office12\INFOPATH.EXE" "%1" Content Type application/ms-infopath.xml
INGR = Intergraph Raster File Format
INH = Visualbasic Basfwin file
INI = file used by many prgs to set parameters for a program start
INI = Gravis UltraSound : Bank setup file
INI = MWave DSP synth's mwsynth.ini GM-setup
INIT = (MAC FILE_TYPE) Extension
INK = CorelDraw : Pantone reference fills file
INK = Mimio Ink File
INL = MS Visual C++ Inline Function File
INM = Fax master file
INN = Micro Focus COBOL/2 : Overlay
INN = PHANTASMAGORIA ini file
INO = Inno setup Script Files file
INP = Oracle Source Code
INRS = INRS-Telecommunications audio : Sound
INS = Ensoniq EPS Family Instrument
INS = Inspiration Mind Mapping Software File(ver-6)
INS = InstallShield Script
INS = Internet Naming Service
INS = Microsoft IIS : Internet communications settings
INS = Mime: application/x-insight
INS = Mime: application/x-internet-signup
INS = Mime: application/x-internett-signup
INS = Mime: application/x-NET-Install
INS = Netware installation file
INS = Sample Cell/II MAC/PC instruments
INS = WordPerfect File
INS = X-Internet sign-up file
INSIGHT = Mime: application/x-insight
INST = 3d Graphic
INST = Mime: application/x-install
INST = Object Oriented Graphics Library (OOGL)
INT = Borland Interface Units
INT = Delphi Pascal; Delphi Interface (Include file)
INT = Foxpro Code Page
INT = Intermediate Code used for syntax checking (various)
INT = Signature - Micro Focus COBOL/2 : Intermediate code (semi-compiled)
INTELLIFONT = Intellifonts (outline typefaces used in hp laserjet)
INTER = Interspector Project File
Intl = (MAC FILE_TYPE) Intel Vide
INTO = Interspector Object File
INTU = (MAC FILE_TYPE) Quicken
INT¶ = (MAC FILE_TYPE) Quicken
INV = Windows Update file
INVENTOR = SGI Open Inventor: Open Inventor File Translator
INX = Foxpro file Index PR: FOXBASE
IN~ = King's Quest 7, Grabriel Knight, compressed file
IO = CPIO : Compressed file archive
IO = Modula-3 : Object file
IOB = 3D object, Imagine 1, 2 or Turbo Silver TDDDB format
IOC = Instant ORGcharting! : Organizational chart
IOCA = Image Object Content Architecture : Bitmap graphics
IOF = Microsoft Findit : Findit document
ION = 4DOS descript.ion file : File descriptions
ION = gen description file
ION = Mascot data file : Plain text
IP = IconPackager Icon Set
IP = Interactive Physics : Data
IP = Internet Protocol
IP = Mime: application/x-ip2
IP = NRC Inspection Manual : Inspection Procedures
IP = Profile
IPD = InstallPROG 6 EDBS Install Database
IPE = System.ini et Win.ini backup made by Wacom Pen
IPF = Microsoft SMS Installer Script (with System Management Server 2.0)
IPG = Mindjongg Format image format
IPH = InterPaint (Hires) image format
IPK = Mime: application/vnd.shana.informed.package
IPL = Corel Pantone Spot Reference Palette
IPL = Ink Palette
IPL = InstallPROG 6 EDBS File Library
IPL = IPLab 3.1
IPN = AutoDesk Inventor Presentation
IPPROJ = VisualStudio.ipproj.8.0 open with: "%ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\\devenv.exe" "%1" Content Type text/plain
IPR = IntelliJ Project XML data
IPS = International patching system binary patch file
IPS = IPIX : IPScript
IPS = Mime: application/x-ipscript
IPT = AutoDesk Inventor Part
IPT = InterPaint (Multicolor) image format
IPTC = Newswire profile
IPU = Internet Phone User ( Vocaltech IPhone )
IPX = Interactive Pictures Corporation AV File
IPX = Ipix Spherical panorama
IPX = Mime: application/x-ipix
IQ = IBM query file
IQD = Webstir file
IQI = IBM query
IQR = IBM query
IQT = IBM query
IQY = Excel Web Internet Query
IRC = IRCAM format : Sound
IRCAM = IRCAM SoundFile files
IRD = Ird Append file
IRF = Phonecat2 Ocp97 file
IRIS = Silicon Irix Graphics Raw Red, Green and Blue bytes image
IRIX = Irix (make-) file
IRIX6 = Irix 6 file
IRIX64BIT = (make-) file for Irix 64 bit
IROS = Photoshop.IRSettings special configuration file for application(binary format)
IRS = WordPerfect IRS Resource File
IRTP = Graphicon-2000 Interactive Real-Time PHIGS : Graphics file format
IS = Modula-3 : Intermediate assembly file
ISD = RapidFile : Spelling Checker dictionary
ISF = Inspiration Mind Mapping Software File
ISFF = Intergraph Standard File Format (see .DGN)
ISH = Compressed file archive by ISH
ISH = Image Speeder Image
ISH = Image System (Hires) image format
ISL = Inno Setup 1.3 file
ISM = Image System (Multicolor) image format
ISM = Mime: model/vnd.gdl
ISM = Mime: model/vnd.gs.gdl
ISO 9660 = iso 9660 cd-rom file system format
ISO = CALS ISO 8613 : Bitmap graphics
ISO = Easy CD Creator CD image file
ISO = International Standards Organization : ISO-9660 table
ISO = ISO Buster File
ISO-11172 = mpeg 1 spec.(iso 11172)
ISP = Internet/Internationnal Communication Settings parameter file
ISP = Microsoft IIS : Internet Service Provider settings Microsoft IIS
ISP = Mime: application/x-internet-signup
ISP = X-Internet sign-up file
ISR = Go-Moku game file
ISS = InstallShield Silent Response File
ISS = ISS image format
issp = (MAC FILE_TYPE) Internet Search Sitelesrc
IST = Digitrakker Instrument File (by n-Factor)
IST = Imagine staging : stage editor file
IST = IsoStar Library of intermolecular interactions
IST = MakeIndex (TeX) style index
IST = Mime: chemical/x-isostar
ISTR = IsoStar Library of intermolecular interactions
ISTR = Mime: chemical/x-isostar
ISU = Easy CD Creator 4 Uninstall File
ISU = InstallShield Uninstall Script Uninst.exe
ISU = Mime: video/x-isvideo
ISU = Netscape File
ISZ = WinMount.isz open with: %ProgramFiles%\WinMount\WinMount.exe "%1"
IT = Impulse Tracker Music Module MOD
IT = intalk : Settings
IT = Mime: audio/it
IT = Mime: audio/x-mod
IT = Read.it
ITA = read me in italy
ITC = Uthscsa Imagetool Calibration file
ITCL = cygwin iwidgets3.0.0 scripts file
ITD = System Dll file
ITF = JPI TopSpeed Pascal : Interface file
ITG = Intergraph Format : Bitmap graphics
ITH = InTether technology secured file
ITI = Impulse Tracker Instrument
ITK = cygwin itk3.0 file
ITM = Item / Article / Zone
ITP = Mime: application/vnd.shana.informed.formtemp
ITS = Impulse Tracker Sample
ITS = International translation
ITS = Internet Explorer Document Set
ITSS = MS-ITSS File, open with: Internet Explorer -nohome ms-itss
ITU = Sheffield dictionary file
ITW = IT Works application data file
ITX = Texture IMAGINE
ITZ = Mime: audio/x-mod
IV = Inventor VRML Format /SGI Inventor graphics programming package. ivview SGI machines
IV = Mime: application/x-inventor
IV-VRML = Inventor VRML Format document
IVB = Truevision Targa format : Bitmap graphics
IVD = Beyond 20/20 : Microdata dimension or variable-level file
IVF = Indeo Video File
IVF = Mime: video/x-ivf
IVI = MSDN (Microsoft Developer's Network) InfoViewer 5.0 topic
IVP = Beyond 20/20 : User subset profile
IVQ = MSDN InfoViewer 5.0 index full-text searches
IVR = live picture : Virtual reality world
IVR = Mime: i-world/I-vrml
IVR = Mime: i-world/i-vrml
IVT = Beyond 20/20 : Table or aggregate data
IVT = Misc info
IVT = MSDN InfoViewer 5.0 Information Title
IVU = Picture : IVUE Live Picture Drawing
IVUE = Live Picture multi-view format
IVX = Beyond 20/20 : Microdata directory
IVY = Mime: application/x-livescreen
IW = IBM updater file
IW = IconAuthor - HSC InterActive : Presentation flowchart
IW = Idlewild : Screensaver jar archiv
IW4 = DjVu image format
IW44 = IrfanView open with: "%ProgramFiles%\IrfanView\i_view32.exe" "%1"
IW44 = IrfanView.DJVU open with: "%Root%\Tools\IrfanView\i_view32.exe" "%1"
IWA = Text file PR: IBM Writing Assistant
IWC = Installwatch Database (install monitor)
IWC = WaveLet format image format
IWM = IconAuthor start file (AimTech Corp)
IWP = Wang : Text document
IWZ = ItemWizard.exe (MagicItem Plugin for Content Manangement Utility for Hemingway Content Management System: www.altuit.com)
IX = Framemaker Index File
IX = Modula-3 : Linker information
IX = Paperport Search File
IXC = ArcView : geocoding index for read-write coverages
IXF = IFX for FAX : Fax document file
IXI = AlephOne.Document open with: ALEPHOne.EXE /dde
IXS = ArcView : geocoding index for read-write shapefiles
IZO = ISOpen2 open with: "%ProgramFiles%\ISOpen\ISOpen.exe" "%1"
IZT = IZL : Binary token file

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Universal dump-utility for non-destructive dump/list/search string etc dump.zip

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V- W - X - Y - Z - OTHER - Allowed chars in Filenames - what is an extension?

 

If you find an extension missing, write! No guarantee given for completeness or correctness. If you feel an extension is outdated, write!
Authors and retailers: it is in the interest of us all and our customers to avoid the double use of extensions! Please help us keep this compilation up todate!
Send extension data to: update@file-ext.4uj.org
Any questions for not listed extensions or "what program opens xxx": search@file-ext.4uj.org
Any other questions, remarks, praise, flaming or reproach: info@file-ext.4uj.org
Compilation Copyright (c) 2002 R.Bitsch, Compilation Copyright (c) 2009,2010 R.Cooper-Bitsch