Browse alphabetically: I

File extension File description Developer/Producer
.i
Visual Studio Intermediate File Microsoft
.i00
DVD Shrink Part 1 File DVD Shrink
.i01
DVD Shrink Part 2 File DVD Shrink
.i02
DVD Shrink Part 3 File DVD Shrink
.i3d
Houdini Image 3D File Side Effects
.i3pack
Point Blank Game Data File Zepetto
.i5z
IUCLID 5 Import/Export File IUCLID
.iaa
INTUS Audio Archive PCS Systemtechnik
.iaf
Outlook Internet Account File Microsoft
.iam
Inventor Assembly File Autodesk
.ias
Intermodulation Analysis System File Professional Wireless
.ib
InterBase Database Embarcadero Technologies
.ib2
IncrediBots 2 Saved Challenge File IncrediBots
.ib3
IncrediBots 3 Saved Challenge File IncrediBots
.iba
iBooks Author Document Apple
.ibatemplate
iBooks Author Document Template Apple
.ibb
ImgBurn Project File Lightning UK!
.ibcd
InstantBingoCard Document InstantBingoCard.com
.ibooks
Multi-Touch iBook Apple
.ibp
IsoBuster Managed Image Information File Smart Projects
.ibplugin
Interface Builder Plug-in Apple
.ibq
IsoBuster Managed Image File Smart Projects
.ibro
IncrediBots Robot File IncrediBots
.ibt
Texture and Model File Eidos
.ic1
Low Resolution Imagic Graphics File Atari
.ic2
Medium Resolution Imagic Graphics File Atari
.ic3
High Resolution Imagic Graphics File Atari
.ic3d
IC3D Scene File IronCAD
.ica
Citrix ICA File Citrix
.ical
iCalendar File N/A
.icalendar
iCalendar File N/A
.icalevent
iCal Event File Apple
.icaltodo
iCal To Do File Apple
.icap
InCopy Package File Adobe Systems
.icb
Targa ICB Bitmap Image Avid Technology
.icbu
iCal Backup File Apple
.icc
ICC Profile N/A
.icd
Installable Client Driver File Microsoft
.ice
ICE File Archive N/A
.icf
Zoom Router Configuration File Zoom Telephonics
.icg
Image Comparer Gallery File Bolide Software
.ichat
iChat Saved Chat Log Apple
.icl
Windows Icon Library File Microsoft
.icm
Image Color Matching Profile N/A
.icma
InCopy Assignment File Adobe Systems
.icml
InCopy Document Adobe Systems
.icn
Windows Icon File N/A
.icns
Mac OS X Icon Resource File Apple
.ico
Icon File N/A
.icon
Icon Image File N/A
.iconpackage
IconPackager Theme File Stardock
.icontainer
CandyBar iContainer File Panic
.icpr
IconUtils Project File Aha-Soft
.icr
Image Comparer Results File Bolide Software
.ics
iCalendar File N/A
.icursorfx
iCursor Effect File GioFX
.id
Lotus Notes User ID File IBM
.id2
Windows Live Messenger Emoticon File Microsoft
.idap
Adobe InDesign Assignment Package Adobe Systems
.idb
Visual Studio Intermediate Debug File Microsoft
.idc
Internet Database Connector File Microsoft
.ide
Inventor iFeature File Autodesk
.idea
Adobe Ideas Document Adobe Systems
.idf
MIDI Instrument Definition File N/A
.idl
Interface Definition Language File Microsoft
.idlk
Adobe InDesign Lock File Adobe Systems
.idml
Adobe InDesign Markup Language File Adobe Systems
.idms
Adobe InDesign Snippet Adobe Systems
.idpk
Adobe InDesign Package for GoLive File Adobe Systems
.idpp
Adobe InDesign Preflight Profile Adobe Systems
.idt
Windows Installer Database Text Archive File Microsoft
.idv
Inventor Design View File Autodesk
.idw
Inventor Drawing Autodesk
.idx
Movie Subtitle File N/A
.idx0
Runescape Cache Index File Jagex
.idx255
Runescape Cache File Jagex
.ies
IES Photometric Data File Illuminating Engineering Society
.if
Procedimientos-Uno IFWin Project File Procedimientos-Uno
.ifaith
iFaith SHSH File iH8sn0w
.ifc
Industry Foundation Classes File BuildingSMART
.ifcxml
Industry Foundation Classes XML File N/A
.ifczip
Compessed IFC File N/A
.ifd
InForm Document Fly Software
.iff
Interchange File Format Electronic Arts
.ifl
3ds Max Image File List Autodesk
.ifo
DVD-Video Disc Information File N/A
.ifp
GTA Animation File Rockstar Games
.ifs
InfoSlips Package InfoSlips
.ifw
INTUS Firmware File PCS Systemtechnik
.igc
Anime List Builder Input File IGC
.iges
IGES File N/A
.igg
SuiteProfiler Color Map File Dana Foy
.igm
Indigo Renderer Material File Glare Technologies
.igma
INTUS Graph Mask Archive PCS Systemtechnik
.ign
RoboHelp Ignore List File Adobe Systems
.igp
Igor Published Music Notation File NoteHeads
.igr
Igor Engraver File NoteHeads
.igs
IGES Drawing File N/A
.igt
iGrafx Document Template iGrafx
.igx
iGrafx Document iGrafx
.ihw
IN-HEH Timeline Workspace IN-HEH
.ihx
IN-HEH Timeline Database IN-HEH
.ii
IconWorkshop Extended Information File Axialis Software
.iif
Intuit Interchange Format File Intuit
.iil
CleanSweep Installation Log N/A
.iim
iMacro Macro File iOpus
.iip
Install Creator Pro Project File Clickteam
.iiq
Phase One RAW Image Phase One
.iit
Install Creator Project File Clickteam
.iix
Translation Memory Index File SDL
.ik
CryENGINE IK Animation File Crytek
.ikf
INTUS Keyboard File PCS Systemtechnik
.ilbm
Interleaved Bitmap Image Electronic Arts
.ildoc
QuickSilver Document BroadVision
.ilk
Incremental Linking File Microsoft
.ima
Sage ACT! Email Message Sage
.image
Apple Disk Image N/A
.imapmbox
IMAP Mailbox Apple
.imd
GIS Image Metadata File N/A
.ime
Windows Input Method Editor File Microsoft
.imf
Id Music File id Software
.img
Macintosh Disk Image Apple
.img3
iPhone IMG3 File Apple
.imga
Aleph One Image File Bungie Studios
.imi
Magellan Map File Magellan
.imj
JFIF Bitmap Image Pegasus Image Corporation
.iml
IntelliJ IDEA Module JetBrains
.immodules
GTK+ Module File N/A
.imovieproj
iMovie Project File Apple
.imovieproject
iMovie Project Apple
.imp
Audition Impulse File Adobe Systems
.imr
Impromptu Report File IBM
.imt
My Time Data File Intuit
.imy
iMelody Ringtone File N/A
.imz
WinImage Compressed Disk Image Gilles Vollant
.in
Spyware File N/A
.inc
Include File N/A
.inca
InCopy CS3 Assignment File Adobe Systems
.incd
InCopy Document Adobe Systems
.incp
InCopy CS3 Package File Adobe Systems
.inct
InCopy Template Adobe Systems
.incx
InCopy CS3 Interchange File Adobe Systems
.ind
Memory Stick Formatting File Sony
.indb
Adobe InDesign Book File Adobe Systems
.indd
Adobe InDesign Document Adobe Systems
.indesignplugin
Adobe InDesign Plug-in Adobe Systems
.indk
Adobe InDesign Shortcut Set File Adobe Systems
.indl
Adobe InDesign Library Adobe Systems
.indp
Adobe InDesign CS3 Package File Adobe Systems
.inds
Adobe InDesign Snippet File Adobe Systems
.indt
Adobe InDesign Template Adobe Systems
.inetloc
Internet Location N/A
.inf
Setup Information File N/A
.info
ZoomBrowser Image Index File Canon
.infopathxml
Microsoft InfoPath Form Microsoft
.inf_loc
Windows Driver Information Cache File Microsoft
.ing
MasterCook Ingredients File N/A
.ini
Windows Initialization File N/A
.ink
Mimio Ink Data File Mimio
.inl
C++ Inline File Microsoft
.inlk
Adobe InDesign Lock File Adobe Systems
.inm
FaxMaster Document N/A
.inms
Adobe InDesign Menu Set File Adobe Systems
.ino
Arduino Sketch File Arduino
.inp
Abaqus Input File Dassault Systemes
.inprogress
Time Machine Backup Progress File Apple
.ins
Internet Settings File Microsoft
.int
SGI Integer Image Silicon Graphics
.internetconnect
Apple Internet Connect Document Apple
.inv
INVedit File Copyboy
.inx
Adobe InDesign Interchange File Adobe Systems
.iobit
Advanced SystemCare Rollback File IObit
.ion
File Description File N/A
.ioplist
Mac OS X IOPLIST File Apple
.ip
IconPackager Theme File Stardock
.ipalias
iPhoto Alias File Apple
.ipcc
iPhone Carrier Bundle Apple
.ipch
Intellisense Precompiled Header File Microsoft
.ipd
BlackBerry Backup File Research In Motion
.ipf
SMS Installer Script Microsoft
.ipg
iPod Game File Apple
.iphoto
iPhoto Library File Apple
.iphotoproject
iPhoto Print Project Apple
.ipick
iPick Football Image iPick Sports
.ipj
Inventor Project File Autodesk
.ipk
Itsy Package N/A
.ipl
GTA Item Placement File Rockstar Games
.iplb
iPhoto Library Archive Document Apple
.ipmeta
Apple iPhoto Metadata File Apple
.ipn
Inventor Presentation File Autodesk
.ipod
Rockbox Firmware File Rockbox
.ipp
Inline Guard Macro File N/A
.ipr
InstallShield Professional Project File Flexera Software
.iproject
iClone Project File Reallusion
.ips
Internal Patching System Patch File N/A
.ipspot
iPhoto Spot File Apple
.ipsw
iPod and iPhone Software Update File Apple
.ipt
Inventor Part File Autodesk
.iptheme
IconPackager Raw Theme File Stardock
.ipx
IPIX Image Minds-Eye-View
.iqy
Internet Query Microsoft
.ircp
SpeedGrade IRIDAS Composite File Adobe Systems
.irf
CCTV DVR H.264 Video File iVIEW Technology
.irock
intelliRock Sensor Data File Engius
.iros
Adobe Save For Web Settings File Adobe Systems
.irp
Internet Researcher Project File Zylox Software
.irr
Brewer Lamp File Brewer Data Management Software
.irs
Adobe Save For Web Settings Adobe Systems
.irx
Brewer Irradiation File Brewer Data Management Software
.is1
M3 Sakura Real-Time Save 1 File M3 Sakura
.isc
Xilinx Device Configuration File Xilinx
.isd
Flexera InstallShield Dialog Box File Flexera Software
.ise
InstallShield Express Project File Flexera Software
.isf
Inspiration Flowchart Document Inspiration
.ish
ISH Compressed Archive N/A
.ish1
Animation-ish Wiggledoodle-ish Document FableVision
.ish2
Animation-ish FlipBook-ish Document FableVision
.ish3
Animation-ish Advanced-ish Document FableVision
.ism
IIS Smooth Streaming Manifest File Microsoft
.isma
IIS Smooth Streaming Audio File Microsoft
.ismc
Smooth Streaming Client Manifest File Microsoft
.ismclip
iStopMotion Animation Clip Boinx Software
.ismv
IIS Smooth Streaming Video File Microsoft
.isn
Installer Source Files N/A
.iso
Disc Image File N/A
.isoz
Compressed Arbortext IsoDraw Illustration PTC
.isp
IIS Internet Service Provider Settings Microsoft
.ispc
Image Surfer Pro Collection File Surfing After Dark
.isr
GoMoku Game File N/A
.iss
InstallShield Silent Response File Flexera Software
.ist
InstallShield Project Template File Flexera Software
.isu
InstallShield Uninstaller Script Flexera Software
.isz
Zipped ISO Disk Image EZB Systems
.it
Impulse Tracker Module N/A
.ita
IconTweaker Theme Archive Joost Verburg
.itc
iTunes Cover Flow Data File Apple
.itc2
iTunes Cover Flow Data File 2 Apple
.itdb
iTunes Database File Apple
.ite
iTunes Extras File Apple
.itemdata-ms
Windows 8 Start Screen Item Data File Microsoft
.ithmb
iPod and iPhone Photo Thumbnails File Apple
.iti
Impulse Tracker Instrument N/A
.itk
ScummVM Game Data File ScummVM
.itl
iTunes Library File Apple
.itlp
iTunes LP Album File Apple
.itls
iTunes Live Stream URL Apple
.itm
iThink Model File isee systems
.itms
iTunes Music Store Link File Apple
.itmsp
iTunes Store Package Apple
.itn
TomTom Navigator Itinerary File TomTom International
.itpc
iTunes Podcast Link File Apple
.itr
Icy Tower Replay File Muskedunder Interactive
.its
Impulse Tracker Sample N/A
.itt
IconTweaker Theme File Joost Verburg
.itw
InTouch With Database File Prairie Group
.itx
ITX Form Template IBM
.iup
Fritz Update File ChessBase
.ius
InfoTMIC Firmware Update File Shanghai InfoTM Microelectronics
.iv
Open Inventor Scene Graph File Visualization Sciences Group
.iv2i
Norton Ghost Incremental Virtual Volume Image Symantec
.iva
Surveillance Video File N/A
.ivc
InteliSea Vessel Configuration File InteliSea
.ivd
Bitdefender Incremental Virus Definitions File Bitdefender
.ive
OpenSceneGraph Binary File OSG Community
.ivf
Indeo Video Format File Intel
.ivr
Internet Video Recording RealNetworks
.ivs
Initialization Vector File N/A
.ivt
Beyond 20/20 Table File Beyond 20/20
.ivue
Live Picture IVUE Image HSC Software
.iw
Chain Engineering Database File IWIS
.iwd
Call of Duty Game Data File Activision
.iwdgt
iWeb Widget File Apple
.iwi
Infinity Ward Texture File Activision
.iws
IntelliJ IDEA Web Page JetBrains
.iwxdata
iWorx Data File iWorx Systems
.iwz
InstallShield Express 2 Project File Flexera Software
.ix
dtSearch Index File dtSearch
.ix2
WordPerfect Address Book File Corel
.ixa
Ulead Disc Image format Corel
.ixb
Ulead Disc Image Corel
.ize
IZArc Archive IZArc
.izz
Isadora Media Control Project TroikaTronix
.izzy
Isadora Project TroikaTronix