File formats starting with a letter I

File formats starting with a letter I

.i Borland C++ Intermediate Preprocessor Output Format
.i00 Split MDS Disk Image Format
.i01 Split Disk Image Format
.i02 Split Disk Image Format
.i03 Split Disk Image
.i04 Split Disk Image
.i05 Split Disk Image
.i17 Pixel PowerCollage Image
.i18 Pixel Power Collage Image Format
.i1c IBM Voice Type Languages Newuser
.i1i IBM Voice Type Languages Newuser
.i2c IBM Voice Type Languages Newuser
.i2d Wyse Device Management Thin Client Disk Image
.i2g Intergeo I2G Geometric
.i2i IBM Voice Type Languages Newuser
.i32 NI LabView
.i3a Point Blank Game
.i3animpack Point Blank Game
.i3c IBM Voice Type Languages Newuser
.i3chr Point Blank Game
.i3d Houdini Image 3D Format
.i3exec Point Blank
.i3i IBM Voice Type Languages Newuser
.i3pack Point Blank Game Data Format
.i3s Point Blank Game
.i5d IUCLID XML Backup
.i5s IUCLID Compressed Backup
.i5z IUCLID Import Or Export Format
.i64 Interactive Disassembler
.ia1 Infinite Algebra 1
.ia2 Infinite Algebra Assignment
.ia64 HP-UX
.iaa INTUS Audio Format
.iad Symantec Patch Management
.iaf Microsoft Outlook Exported Account And Email Setting Format
.iai Nova Logic Item Attributes Info
.iak MAIL.DAT Information Access Key
.ial Microsoft SharePoint List Activity
.iam Autodesk Inventor Assembly Format
.iao ImperiumAO Data
.iar CD Katalog
.ias BitDefender Format
.ib InterBase Database Format
.ib2 IncrediBots World Map Format
.ib3 IncrediBots World Map Format
.ib7 Pixel Power Collage Image Format
.iba IBooks Author E-book Format
.ibak Password Safe Backup
.ibank IBank Accounting Data
.ibatemplate IBooks Author Template Format
.ibb LIGHTNING UK! ImgBurn Project Format
.ibcd InstantBingoCard Document Format
.ibd MySQL InnoDB Database Table
.ibe IBECrypto Encrypted
.ibf Final Fantasy XI Game
.ibg IBridge Project Workspace
.ibi Raven Software ICARUS Compiled Script
.ibk Sound Blaster FM Instrument Bank
.ibl IBasic Component Language
.ibm Commodore Amiga Graphics
.ibn WinIQSIM
.ibooks IBooks E-book Format
.ibp IsoBuster Managed Image Information Format
.ibplugin Interface Builder Extension
.ibq IsoBuster Managed Image Format
.ibro IncrediBots Robot Format
.ibs I2 IBase
.ibt Thief Deadly Shadows Texture And Model Format
.ibv IGOR Pro Binary Variable
.ibw IGOR Pro Binary Wave
.ibx Interscope BlackBox
.iby Symbian ROM Image Component Include
.ibz MySQL InnoDB Database Table Compressed Backup
.ic ASwin Project
.ic0 HSPICE Output
.ic1 Atari Bitmap Image Format
.ic2 Atari Bitmap Image Format
.ic3 Atari Bitmap Image Format
.ic3d IC3D Scene Format
.ic4 SADiE Interchange Data
.ic5 Interactive Image Creator Image Project
.ic8 Neo Geo BIOS
.ica Citrix Independent Computer Architecture Format
.ical ICalendar Calendar File Format (Microsoft Outlook, Apple ICal)
.icalendar ICalendar Calendar File Format (Microsoft Outlook, Apple ICal)
.icalevent Apple ICal Document Format
.icaltodo Apple ICal Document Format
.icap Adobe InDesign Format
.icb Truevision Targa Format
.icbu Apple ICal Calendars Backup Format
.icc International Color Consortium Profile File Format
.icd Microsoft Windows OpenGL Installable Client Driver Format
.ice IceChat IRC Client Script Format
.icf Zoom Router Configuration Format
.icg Image Comparer Result
.ichat Apple IChat Saved History Format
.ichattransfer Apple IChat Transfer
.ici Ampac
.icl Icon Library Format
.icm Windows Image Color Matching Format
.icma Adobe InDesign Format
.icml Adobe InDesign Format
.icms RagTime Extensions
.icn Icon Format
.icns Apple Icon Graphic Format
.ico Icon Format
.icoa IBM Image Object Content Architecture (IOCA) Bitmap Graphics
.icon Icon Image Format
.iconbox IconBox
.iconboxicon IconBox
.iconpackage IconPackager Theme Format
.icontainer Icon Container Library Format
.icp Unix IContact Parameter
.icpr IconUtils Project Format
.icq ICQ Archive
.icr Image Comparer Result
.ics ICalendar Calendar File Format (Microsoft Outlook, Apple ICal)
.icst Adobe InCopy Document Preset
.icte Apple Mac Internet Configuration
.icursorfx ICursor Effect Format
.icw Microsoft Internet Explorer Internet Connection Wizard
.icx Remote Call Profiler Summary View
.icxs ITunes
.icz Lib2Def Output
.id IBM Lotus Notes ID Format
.id2 Microsoft Live Messenger Avatar Format
.id3 IData 3 Data
.id31 Helium Music Manager Id3 Tags Export
.id32 Helium Music Manager Id3 Tags Export
.ida Microsoft IIS Server
.idap Adobe InDesign Format
.idata IData 2 Data
.idb Microsoft Visual Studio Developer Intermediate Debug Format
.idb2 InfoStat Database
.idc Internet Database Connector Document Format
.idd Adobe InDesign For Mac Document
.ide Borland C++ Project Format
.idea Adobe Ideas Vector Drawing Format
.idemo InstantDemo Project
.identcache Delphi Temporary Cache
.identifier Microsoft Windows Zone Identifier
.idf Microsoft Windows 95 MIDI Instrument Definition Format
.idg Majax Settings
.idh OpenCBM
.idi I-DEAS Web Access
.idif Netscape Saved Address Book Identification
.idl Visual Studio Visual C++ Interface Definition Library Format
.idlk Adobe InDesign Lock Format
.idll CodeWarrior DLL
.idm IData Mobile Data
.idml Adobe InDesign Markup Format
.idms Adobe InDesign Format
.idp IBM Personal Communications Interchange Document Profile
.idpk Adobe InDesign Format
.idpp Adobe InDesign Format
.idq Microsoft Internet Explorer Data Query
.idrc Adobe InDesign Resource
.ids Infinity Game Engine
.idt Windows Installer Exported Database Table Format
.idv Autodesk Inventor Design View Tree
.idw AutoDesk Inventor Drawing Format
.idx Index Format
.idx0 RuneScape Cache Index Format
.idx255 RuneScape Cache Index Format
.idx_dll Microsoft Office IDX_DLL
.idz I-DEAS Web Access
.ie3 Internet Explorer 3
.iebarzip Explorer Bar Icon Pack
.iec Microsoft HTML Converter
.iei Image Eye Thumbnail Cache
.iel ParticleIllusion SE Emitter Library
.iem Informix Error Message
.ienv IData 3 Envelope Template
.ies IESNA Photometric Data Format
.iex The Tuttles Madcap Misadventures
.if IFwin Project Format
.if9 Pixel Power Collage Image
.ifaith IFaith Format
.ifb Oracle Siebel Interface Configuration
.ifc Industry Foundation Classes Format
.ifcxml Industry Foundation Classes XML Format
.ifczip Compessed IFC Format
.ifd Adobe Output Designer Form (Jet Form Design Form)
.iff Autodesk Maya Image Interchange Format
.ifl 3D Studio Max Animation Format List Control Format
.iflv InfoLevin Database
.ifm Brighterion IPrevent Fraud Model
.ifn IGOR Pro Formatted Notebook
.ifo DVD Movie Information File Format
.ifp Grand Theft Auto Animation Format
.ifr Formula One 2001 Game
.ifs InfoSlips Secure Information Package Format
.ift Canon Settings
.ifu All Image Image
.ifv Indeo Video Format
.ifw INTUS Firmware Format
.ifx Rational XDE
.ifz All Image Compressed Image
.ig Instagram JPEG Picture Image
.ig2 IGES CAD
.iga CARIS GIS Corner Georeferencing Coordinate
.igb Google Earth Model
.igc Anime List Builder Input Format
.ige Erdas Imagine Large Raster Spill
.iges Initial Graphics Exchange Specification Format
.igg SuiteProfiler Color Map Format
.igi Indigo Renderer Picture Image
.igl IGOR Game
.igm Indigo Renderer Material Texture Format
.igma INTUS Graphics User Interface Format
.ign Adobe RoboHelp Ignore List Format
.igo Instagram JPEG Picture Image
.igp Igor Player Format
.igr SmartSketch Drawing Design Format
.igs IGES ASCII CAD Format
.igt IGrafx Document Template
.igv Integrative Genomics Viewer
.igx IGrafX FlowCharter Flow Chart Or Process Model Format
.igy Microsoft Excel Web Query
.igz Gzipped Image
.iha GE Historian Archive
.ihc Proficy Historian
.ihf IGOR Pro Help
.ihs Bink Inbound History
.ihtml Inline HyperText Markup Language
.ihw IN-HEH Timeline Workspace Format
.ihx IN-HEH Timeline Database Format
.ii IconWorkshop Extended Information Format
.iid IInstaller Idirectory
.iie SimIIe Emulator
.iif QuickBooks Interchange Format
.iii Know Your Stuff
.iil CleanSweep Installation Log
.iim IOpus Internet Macro Format
.iimg Interleaf Image Format
.iip ThinAnywhere Configuration Format
.iiq Phase One RAW Image Format
.iis PHOTOfunSTUDIO HD Video
.iit Install Creator Settings Format
.iix Trados Translation Memory Index Format
.ijs J Interpretor Script Format
.ik CryENGINE IK Animation Format
.ikf INTUS Keyboard Settings Format
.ikmp SampleTank Preset
.iks Microsoft InkSeine Document
.il Euphoria Shrouded Source Code
.il3 ParticleIllusion 3 Emitter Library
.ila LohnViewer Document
.ilabel IData 3 Template Label
.ilb Scream Tracker Data
.ilbm Interleaved Bitmap Format
.ildoc BroadVision QuickSilver Document Format
.ilf Alim
.ilg MakeIndex Error Log
.ilht Safari Internet Location
.ilk Incremental Linking Format
.ill Illust Logic Puzzle
.ilm Opus Creator Multimedia
.ilock IData
.ilp Gurobi Optimizer Temporary
.ils Internet Security And Acceleration Server Summary
.ilx Interlex Vocabulary
.im SunOS Grey Scale Bitmap
.im24 Bitmap Graphic
.im32 Sun 32bit Raster
.im5 Visilog Image
.im7 DaVis Graphics
.im8 Sun Raster Graphic
.ima Generic Disk Image
.ima4 Apple QuickTime IMA4 Encoded Audio
.image ShrinkWrap Disk Image Format
.imap Merak Mail Server Internet Message Access Protocol
.imapmbox Apple Mail Format
.imb IncredMail Adress Book And Temporary Contacts
.imc LucasArts Game Sound
.imd GIS Image Metadata Format
.ime Global Input Method Editor
.imelody IMelody Mobile Phone Ring-tone Format
.imesx Microsoft Office IME Search Provider Definition
.imf Apogee IMF Audio File Format
.img Floppy Image Image Format
.img3 Apple IOS Img3 Encrypted Or Signed Container Format
.imga Marathon 2 Aleph One Image Format
.imgb Final Fantasy XII Model
.imgpart Apple Mac NDIF Split Image
.imh IncrediMail Contacts Export
.imi Magellan Map Format
.imj Pegasus Image Corp Format Bitmap Graphics Format
.imk IncrediMail Licence
.iml ACT! Internet Mail Message Format
.imm IncrediMail Deleted Email Messages List
.immodules GTK+ Module Format
.imn IncrediMail Notify
.imo IMON Manager Settings
.imotion IClone Motion Capture
.imovieevent IMovie Library
.imovielibrary IMovie Event Library
.imoviemobile IMovie Project Package
.imovieproj Apple IMovie Project Format
.imovieproject Apple IMovie Project Format
.imp FileMaker Pro Import Data Filter
.imported UTorrent Torrent
.imr IBM Cognos Impromptu Report Format
.ims IconForge Create Executable Library Data
.imscc Canvas Exported Course
.imsp Survey Designer Survey
.imt IMNET Graphics Image Format
.imtx IMindMap Template
.imv ImageMixerVCD Project
.imw IncrediMail Sound
.imx DaVis Image
.imy IMelody Mobile Phone Ring-tone Format
.imz WinImage Compressed Disk Image
.in McAfee Antivirus Format
.in3 Harvard Graphics Input Device Driver
.in4 InfoBlaster IN4 Registry
.in7 Ox Data
.ina MS-DOS
.inb Rebel Assault Backup
.inc HTML Server Side Include Format
.inca Adobe InDesign Format
.incd Adobe InDesign Format
.incp Adobe InCopy CS3 Package Format
.inct Adobe InCopy Template Format
.incx Adobe InDesign Format
.ind Adobe InDesign Graphics Document Format
.indb Adobe InDesign Book Format
.indd Adobe InDesign Document Format
.indesignplugin Adobe InDesign Plugin Format
.index Eclipse Help Index
.indexArrays Mac OS X Spotlight
.indexCompactDirectory Mac OS X Spotlight
.indexDirectory Mac OS X Spotlight
.indexPositions Mac OS X Spotlight
.indexPositionTable Mac OS X Spotlight
.indk Adobe InDesign Format
.indl Adobe InDesign Object Library Format
.indn Adobe InDesign For Mac
.indp Adobe InDesign Package Format
.inds Adobe InDesign Format
.indt Adobe InDesign Template Format
.indx Microsoft Mail Index
.inetloc Apple Mac OS X Finder Internet Location Format
.inf Windows Installation Script Format
.info ZoomBrowser Image Index Format
.info-1 Cygwin Info
.info-10 Cygwin Info
.info-11 Cygwin Info
.info-12 Cygwin Info
.info-13 Cygwin Info
.info-14 Cygwin Info
.info-15 Cygwin Info
.info-16 Cygwin Info
.info-17 Cygwin Info
.info-18 Cygwin Info
.info-19 Cygwin Info
.info-2 Cygwin Info
.info-20 Cygwin Info
.info-21 Cygwin Info
.info-22 Cygwin Info
.info-23 Cygwin Info
.info-24 Cygwin Info
.info-25 Cygwin Info
.info-26 Cygwin Info
.info-27 Cygwin Info
.info-28 Cygwin Info
.info-29 Cygwin Info
.info-3 Cygwin Info
.info-30 Cygwin Info
.info-4 Cygwin Info
.info-5 Cygwin Info
.info-6 Cygwin Info
.info-7 Cygwin Info
.info-8 Cygwin Info
.info-9 Cygwin Info
.infopathxml Microsoft InfoPath Form Format
.inf_loc Microsoft Windows Installation Format
.ing MasterCook Ingredients Format
.ingr Intergraph Raster File Format
.inh Microsoft Visual Basic Basfwin
.ini Text Configuration Format
.ini-dist PHP INI
.ini-recommended PHP INI
.ini2 Text Configuration
.init WM Keeper CLASSIC Temporary Keys
.inix Adobe InDesign
.injb Adobe InDesign
.ink Mimio Ink Data Format
.inl Microsoft Visual C++ Inline Function Format
.inlk Adobe InDesign Lock Format
.inm FaxMaster Document
.inms Adobe InDesign Menu Set Format
.inn Phantasmagoria Ini
.ino Inno Setup Script Format
.inp Abaqus Input Format
.inprogress Apple Mac OS X Time Machine Temporary Format
.inputplugin Apple Mac OS X PluginIM Input Method
.inpx PTV Vissim Network
.inrs Adobe InDesign For Mac
.ins InstallShield Script Format
.insaniquariumdeluxesavedgame Insaniquarium Deluxe Save Game
.insp Microsoft Visual Studio Inspector
.inss Apple Mac OS X Setup Assistant ISP Info Document
.inst RMCProfile Peak Profile
.installhelper Apple Mac OS X Install Helper Document
.installlog Microsoft .NET Installation Log
.install_backup AVG Shell Extension Module
.insx InScribe XML Document
.int SGI Integer Image
.int? Quicken For Mac
.intaglio Intaglio Drawing
.internetconnect Apple Mac OS X System Preferences Internet Connect Document Format
.intu Quicken For Mac
.inuse Text Configuration File (in Use)
.inv Minecraft INVedit Format
.inventor SGI Open Inventor
.inx Adobe InDesign Interchange File Format
.in_ Microcoft Setup Information
.io CPIO Compressed File Archive
.iobit Advanced SystemCare PRO Backup Format
.ioc Winamp Io Extension
.ioca IBM Image Object Content Architecture (IOCA) Bitmap Graphics
.iok Omniscope Configuration
.ion Description Format
.ioplist Apple Mac OS X Ioplist Format
.ior Maxwell Render Index Of Refraction
.ip IconPackager Theme Format
.ip3 ParticleIllusion Project
.ipa IPhone Application
.ipalias Apple IPhoto Alias Format
.ipb IPhone Perl Script
.ipc IncrediFlash Tools Image
.ipcc Apple IOS Carrier Update Format
.ipch Microsoft Visual C++ Intellisense Precompiled Header Format
.ipd BlackBerry Backup (pre 2012) Format
.ipdb IP Address Tracker IP Database
.ipf Microsoft SMS Installer Script
.ipg IPod Game Package Format
.iph InterPaint (Hires) Image Format
.iphoto Apple IPhoto Library Format
.iphotoproject Apple IPhoto Printing Project
.ipi Microsoft Windows Installer
.ipick IPick Football Picture Image Format
.ipj AutoDesk Inventor Project Format
.ipk Shana Informed Filler Format
.ipkg Indicore SDK Package
.ipl CorelDRAW Pantone Spot Reference Palette Format
.ipl22 PLATO Learning Network Temporary
.iplb Apple IPhoto Library Archive
.ipmeta Apple IPhoto Library Metadata Format
.ipn AutoDesk Inventor Presentation File Format
.ipo InstallShield Object Project
.ipod Rockbox Executable Application
.ipp Inline Guard Macro Format
.ipproj Microsoft Visual Studio InfoPath Project
.ipr IntelliJ Project XML Data Format
.iproject IClone Project Format
.ips International Patching System Binary Patch Format
.ipspot Apple IPhoto Index Format
.ipsw IPhone, IPad Or IPod Touch Software Firmware Update Format
.ipt AutoDesk Inventor Part Format
.iptheme IconPackager Theme Format
.iputils Gnome Desktop
.ipx Ipix Spherical Panorama Format
.ipz ICQ Plus Skin
.iqc CADIQ Comparison Analysis Result
.iqd Impromptu Defintion
.iqf Integra Query
.iqp 20-20 Office Sales Exported Quote
.iqr Cadiq View Analysis Results Data
.iqs CADIQ Summary Log
.iqt Tektronix
.iqu AmeriCalc Update
.iqy Microsoft Excel Internet Query Format
.iraf IRAF
.irafhosts IRAF User
.irbrc Ruby
.irc JIRCii Script
.ircp Adobe SpeedGrade Project Format
.ird Microsoft Money Temporary
.irev Runtime Revolution Script
.irf Autodesk Impression Drawing Format
.irg Sofya Database Interclass Relation Graph
.iris Silicon Irix Graphics Raw Format
.irix6 Irix 6
.irix64biT Irix 64 Bit Make
.irl IBM WebSphere ILOG JRules Rule Language
.irobo RoboMind Source Code
.irock IntelliRock Sensor Data Format
.iros Adobe Save For Web Settings Format
.irp Microsoft ISA Server Report Generator Output Format
.irr UVBrewer Brewer Lamp Format
.irrmesh Irrlicht Static Mesh
.irs Adobe Photoshop Optimized Setting Format
.irv XMap Workfile
.irx UVBrewer Brewer Lamp Irradiation Format
.is InStereo Audio
.is1 SmartWare Input Screen Format
.is2 SmartWare Input Screen
.is3 SmartWare Input Screen
.is4 SmartWare Input Screen
.isa Adobe Photoshop ImageReady Action
.isale ISale Auction
.isaletemplate ISale Template
.isallic ISale License
.isb Vanguard Music
.isc Xilinx Device Configuration Information Format
.iscorrupt Skype
.isd InstallShield Dialog Format
.ise InstallShield Express Project Format
.isf Inspiration Diagram Format
.isff Intergraph Standard File Format
.ish ISH Compressed Archive
.ish1 Animation-ish Wiggledoodle-ish Document Format
.ish2 Animation-ishFlipBook-ish Document Format
.ish3 Animation-ish Advanced-ish Document Format
.isl InstallShield Temporary Installer
.ism InstallShield Project Format
.isma IIS Smooth Streaming Audio Format
.ismc Smooth Streaming Client Manifest Format
.ismclip IStopMotion Animation Clip
.ismv Smooth Streaming Fragmented MPEG-4 Video Format
.isn InstallShield Installer Source Format
.iso CD/DVD/HD DVD/Blu-ray Disc ISO Binary Image Format
.isoz Arbortext IsoDraw Compressed Drawing Format
.isp Internet Service Provider Settings Format
.ispc Image Surfer Pro Album Format
.isq MicroCT Image
.isr InstallShield Uninstall Information Format
.iss ISS Picture Image Format
.ist Adobe ImageStyler Format
.istg ISOE Imagine Stage
.isu InstallShield Uninstall Script Format
.isv IDL ITools State
.iswp Apple ITunes IOS Firmware Update
.isx Intrasis Object
.isym ArchiCAD For MAC Geometric Description Language
.isz UltraISO Compressed Disk Image Format
.it Impulse Tracker Music Module Format
.ita IconTweaker Theme Archive
.itb ITunes Library Extras
.itc ITunes Cover Flow Data Format
.itc2 Apple ITunes Cover Flow Data Format
.itcl Cygwin Iwidgets Scripts
.itd SDL Trados Translation
.itdb Apple ITunes Database Format
.ite Apple ITunes Extras Format
.itemdata-ms Windows 8 Start Screen Item Data Format
.itg Intergraph Format Bitmap Graphics
.ithmb Apple IPhone, IPad, IPod Thumbnail Image Format
.iti Impulse Tracker Instrument
.itk ScummVM Game Data Format
.itl Apple ITunes Music Database Format
.itlp Apple ITunes LP Format
.itls Apple ITunes Live Stream Format
.itm IThink Model Format
.itms Apple ITunes Store URL Format
.itmsp Apple ITunes Store Package Format
.itmz IThoughtsHD Mind-map Document
.itn TomTom Navigator Itinerary Format
.itp BioWare Aurora Game Engine Palette
.itpc Apple ITunes Podcast Subscription Format
.itq SAIA S-Web Variable Initialization
.itr Icy Tower Format
.its Impulse Tracker Sample Format
.itt IconTweaker Theme Format
.itw InTouch With Database Format
.itx IBM FileNet EForms ITX Form Template Format
.itxib Apple ITunes Dump
.itz Impulse Tracker Music Module
.iup ChessBase Fritz Update Format
.ius InfoTMIC Android Update Format
.iv SGI Inventor VRML Format
.iv2i Norton Ghost Disk Drive Image
.iva Surveillance Video Format
.ivb Truevision Targa Format Bitmap Graphics
.ivc IView MediaPro Catalogue Format
.ivd Bitdefender Incremental Virus Definitions Format
.ive OpenSceneGraph Format
.ivex Worldviz Vizard Encrypted
.ivf Indeo Video Format
.ivi MSDN InfoViewer Topic
.ivl IBM ILOG JViews Maps Map
.ivm Interactive Visual Media Video Format
.ivp Panorama
.ivr Virtual Reality World (iSeeMedia Image World)
.ivs Internet Streaming Video
.ivt Beyond 20/20 Table Aggregate Data Format
.ivu ImmerVision XML User Interface
.ivue Live Picture Image Format
.ivwr IntelliView Offline Report
.ivx Beyond 20/20 Microdata Directory
.iw Chain Engineering Database Format
.iw4 DjVu Image Format
.iw44 DjVu Image Format
.iwb Common File Format
.iwc Installwatch Database
.iwd Call Of Duty Game Archive Format
.iwdgt Apple IWeb Widget Format
.iwi Infinity Ward Texture Format
.iwl WebSite X5 License
.iwm IWriteMusic
.iwp InfinityQS ESPC
.iwprj Website X5 Project
.iws Trojan-Downloader.JS.Agent Format
.iwt Sunnysoft InterWrite Full Keyboard Skin
.iwxdata IWorx Data Format
.iwz InstallShield Express Project Format
.iwzip Website X5 Project
.ix DtSearch Index Format
.ix2 Rebel Chess Program Database Format
.ix3 Instant.Exe 3.0 Script
.ix4 Rebel Chess
.ixa Ulead Disc Image Format
.ixb Ulead Disk Image Format
.ixc ArcView Geocoding Index For Read-write Coverages
.ixf Integration Exchange Format
.ixi IxiQuarks Preferences
.ixl DB/TextWorks Database Indexed List
.ixs ArcView Geocoding Index For Read-write Shape
.ixw ERDAS IMAGINE Toolbar Setting
.izd Intrexx Application Export Format
.ize IZArc Encrypted Archive Format
.izs 1st Page 2000 JavaScript Example
.izz Isadora Media Control Project Format
.izzy Isadora Project Format
I cannot see the file extensions. What should I do?

File extensions are not normally displayed to users. To change this, go to Control Panel, select Appearance and Personalization and Folder Options. Next, select the View and find the option "Hide extensions for known file types". The option should be deselected (cleared) and confirmed with OK.