.I Visual Studio Intermediate File .I00 DVD Shrink Part 1 File .I01 DVD Shrink Part 2 File .I02 DVD Shrink Part 3 File .I3D Houdini Image 3D File .I3PACK Point Blank Game Data File .I5Z IUCLID 5 Import/Export File .IAA INTUS Audio Archive .IAF Outlook Internet Account File .IAM Inventor Assembly File .IAS BitDefender file .IB InterBase Database .IB2 IncrediBots 2 Saved Challenge File .IB3 IncrediBots 3 Saved Challenge File .IBA iBooks Author Document .IBATEMPLATE iBooks Author Document Template .IBB ImgBurn Project File .IBCD InstantBingoCard Document .IBOOKS Multi-Touch iBook .IBP IsoBuster Managed Image Information File .IBPLUGIN Interface Builder Plug-in .IBQ IsoBuster Managed Image File .IBRO IncrediBots Robot File .IBT Texture and Model File .IC1 Low Resolution Imagic Graphics File .IC2 Medium Resolution Imagic Graphics File .IC3 High Resolution Imagic Graphics File .IC3D IC3D Scene File .ICA Image Object Content Architecture File .ICAL iCalendar File .ICALENDAR iCalendar File .ICALEVENT iCal Event File .ICALTODO iCal To Do File .ICAP InCopy Package File .ICB Targa ICB Bitmap Image .ICBU iCal Backup File .ICC ICC Profile .ICD Installable Client Driver File .ICE ICE File Archive .ICF Zoom Router Configuration File .ICG Image Comparer results file .ICHAT iChat Saved Chat Log .ICL Windows Icon Library File .ICM Image Color Matching Profile .ICMA InCopy Assignment File .ICML InCopy Document .ICN Windows Icon File .ICNS Mac OS X Icon Resource File .ICO Icon File .ICON Icon Image File .ICONPACKAGE IconPackager Theme File .ICONTAINER CandyBar iContainer File .ICPR IconUtils Project File .ICR Image Comparer Results File .ICS iCalendar File .ICURSORFX iCursor Effect File .ID Lotus Notes User ID File .ID2 Windows Live Messenger Emoticon File .IDAP Adobe InDesign Assignment Package .IDB Visual Studio Intermediate Debug File .IDC Internet Database Connector File .IDE Borland C++ Project file .IDEA Adobe Ideas Document .IDF MIDI Instrument Definition File .IDL Interface Definition Language File .IDLK Adobe InDesign Lock File .IDML Adobe InDesign Markup Language File .IDMS Adobe InDesign Snippet .IDPK Adobe InDesign Package for GoLive File .IDPP Adobe InDesign Preflight Profile .IDT Windows Installer Database Text Archive File .IDV Inventor Design View File .IDW Inventor Drawing .IDX Index file .IDX0 Runescape Cache Index File .IDX255 Runescape Cache File .IES IES Photometric Data File .IF Procedimientos-Uno IFWin Project File .IFAITH iFaith SHSH File .IFC Industry Foundation Classes File .IFCXML Industry Foundation Classes XML File .IFCZIP Compessed IFC File .IFD InForm Document .IFF Interchange File Format .IFL 3ds Max Image File List .IFO DVD-Video Disc Information File .IFP GTA Animation File .IFS InfoSlips Package .IFW INTUS Firmware File .IGC Anime List Builder Input File .IGES IGES File .IGG SuiteProfiler Color Map File .IGM Indigo Renderer Material File .IGMA INTUS Graph Mask Archive .IGN RoboHelp Ignore List File .IGP Igor Published Music Notation File .IGR SmartSketch drawing design file .IGS IGES Drawing File .IGT iGrafx Document Template .IGX iGrafx Document .IHW IN-HEH Timeline Workspace .IHX IN-HEH Timeline Database .II IconWorkshop Extended Information File .IIF Intuit Interchange Format File .IIL CleanSweep Installation Log .IIM iMacro Macro File .IIP ThinAnywhere configuration file .IIQ Phase One RAW Image .IIT Install Creator Project File .IIX Translation Memory Index File .IK CryENGINE IK Animation File .IKF INTUS Keyboard File .ILBM Interleaved Bitmap Image .ILDOC QuickSilver Document .ILK Incremental Linking File .IMA Generic disk image .IMAGE Apple Disk Image .IMAPMBOX IMAP Mailbox .IMD GIS Image Metadata File .IME Windows Input Method Editor File .IMF Id Music File .IMG Disc Image Data File .IMG3 iPhone IMG3 File .IMGA Aleph One Image File .IMI Magellan Map File .IMJ JFIF Bitmap Image .IML IntelliJ IDEA Module .IMMODULES GTK+ Module File .IMOVIEPROJ iMovie Project File .IMOVIEPROJECT iMovie Project .IMP FileMaker Pro import data filter .IMR Impromptu Report File .IMT IMNET Graphics image file .IMY iMelody Ringtone File .IMZ WinImage Compressed Disk Image .IN Spyware File .INC Include File .INCA InCopy CS3 Assignment File .INCD InCopy Document .INCP InCopy CS3 Package File .INCT InCopy Template .INCX InCopy CS3 Interchange File .IND Adobe InDesign graphics document file .INDB Adobe InDesign Book File .INDD Adobe InDesign Document .INDESIGNPLUGIN Adobe InDesign Plug-in .INDK Adobe InDesign Shortcut Set File .INDL Adobe InDesign Library .INDP Adobe InDesign CS3 Package File .INDS Adobe InDesign Snippet File .INDT Adobe InDesign Template .INETLOC Internet Location .INF Setup Information File .INF_LOC Windows Driver Information Cache File .INFO Generic Information File .INFOPATHXML Microsoft InfoPath Form .ING MasterCook Ingredients File .INI Windows Initialization File .INK Pantone Reference File .INL C++ Inline File .INLK Adobe InDesign Lock File .INM FaxMaster Document .INMS Adobe InDesign Menu Set File .INO Inno Setup script file .INP Abaqus Input File .INPROGRESS Time Machine Backup Progress File .INS LaTeX Installer Script .INT SGI Integer Image .INTERNETCONNECT Apple Internet Connect Document .INV INVedit File .INX Adobe InDesign Interchange File .IOBIT Advanced SystemCare Rollback File .ION File Description File .IOPLIST Mac OS X IOPLIST File .IP IconPackager Theme File .IPALIAS iPhoto Alias File .IPCC iPhone Carrier Bundle .IPCH Intellisense Precompiled Header File .IPD BlackBerry Backup File .IPF SMS Installer Script .IPG iPod Game File .IPHOTO iPhoto Library File .IPHOTOPROJECT iPhoto Print Project .IPICK iPick Football Image .IPJ Inventor Project File .IPK Shana Informed Filler file .IPL CorelDRAW Pantone spot reference palette file .IPLB iPhoto Library Archive Document .IPMETA Apple iPhoto Metadata File .IPN Inventor Presentation File .IPOD Rockbox Firmware File .IPP Inline Guard Macro File .IPR IntelliJ project XML data file .IPROJECT iClone Project File .IPS Internal Patching System Patch File .IPSPOT iPhoto Spot File .IPSW iPod and iPhone Software Update File .IPT Inventor Part File .IPTHEME IconPackager Raw Theme File .IPX IPIX Image .IQY Internet Query .IRCP SpeedGrade IRIDAS Composite File .IRF Autodesk Impression drawing file .IROCK intelliRock Sensor Data File .IROS Adobe Save For Web Settings File .IRP Microsoft ISA Server Report Generator output file .IRR UVBrewer brewer lamp file .IRS Adobe Save For Web Settings .IRX Brewer Irradiation File .IS1 SmartWare input screen file .ISC Xilinx Device Configuration File .ISD Flexera InstallShield Dialog Box File .ISE InstallShield Express Project File .ISF Inspiration Flowchart Document .ISH ISH Compressed Archive .ISH1 Animation-ish Wiggledoodle-ish Document .ISH2 Animation-ish FlipBook-ish Document .ISH3 Animation-ish Advanced-ish Document .ISM InstallShield project file .ISMA IIS Smooth Streaming Audio File .ISMC Smooth Streaming Client Manifest File .ISMCLIP iStopMotion Animation Clip .ISMV IIS Smooth Streaming Video File .ISN Installer Source Files .ISO Disc Image File .ISOZ Compressed Arbortext IsoDraw Illustration .ISP IIS Internet Service Provider Settings .ISPC Image Surfer Pro Collection File .ISR InstallShield uninstall information file .ISS Inno Setup Script .IST Adobe ImageStyler file .ISU InstallShield uninstall script file .ISZ Zipped ISO Disk Image .IT Impulse Tracker Module .ITA IconTweaker Theme Archive .ITC iTunes Cover Flow Data File .ITC2 iTunes Cover Flow Data File 2 .ITDB iTunes Database File .ITE iTunes Extras File .ITEMDATA-MS Windows 8 Start Screen Item Data File .ITHMB iPod and iPhone Photo Thumbnails File .ITI Impulse Tracker Instrument .ITK ScummVM Game Data File .ITL iTunes Library File .ITLP iTunes LP Album File .ITLS iTunes Live Stream URL .ITM iThink Model File .ITMS iTunes Music Store Link File .ITMSP iTunes Store Package .ITN TomTom Navigator Itinerary File .ITPC iTunes Podcast Link File .ITR Icy Tower Replay File .ITS Impulse Tracker Sample .ITT IconTweaker Theme File .ITW InTouch With Database File .ITX ITX Form Template .IUP Fritz Update File .IUS InfoTMIC Firmware Update File .IV Open Inventor Scene Graph File .IV2I Norton Ghost Incremental Virtual Volume Image .IVA Surveillance Video File .IVC iView MediaPro catalogue file .IVD Bitdefender Incremental Virus Definitions File .IVE OpenSceneGraph Binary File .IVF Indeo Video Format File .IVR Internet Video Recording .IVS Internet streaming video .IVT Beyond 20/20 Table File .IVUE Live Picture IVUE Image .IW Chain Engineering Database File .IWD Call of Duty Game Data File .IWDGT iWeb Widget File .IWI Infinity Ward Texture File .IWS Trojan-Downloader.JS.Agent file .IWXDATA iWorx Data File .IWZ InstallShield Express 2 Project File .IX dtSearch Index File .IX2 WordPerfect Address Book File .IXA Ulead Disc Image format .IXB Ulead Disc Image .IZE IZArc Archive .IZZ Isadora Media Control Project .IZZY Isadora Project