| ICA |
Bitmap
graphic (Image Object Content Architecture) |
| ICB |
Targa
bitmap |
| ICC |
Printer
file (Kodak) |
| ICL |
Icon
Library |
| ICM |
Image
Color Matching profile |
| ICN |
Icon
source code |
| ICO |
Icon |
| ICS |
Calendar
File Outlook |
| ICS |
Scene
file (Iron Clad) |
| ID |
Disk
identification file |
| IDB |
Intermediate
file (Microsoft Developer) |
| IDD |
MIDI
Instrument definition |
| IDE |
Project
file (Borland C++ v4.5) |
| IDF |
MIDI
Instrument Definition (Windows 95 required file) |
| IDIF |
Identification
file (Netscape saved address book) |
| IDQ |
Data
Query (Internet) |
| IDW |
Vector
graphic (Intelli Draw) |
| IDX |
Relational
database index (Microsoft Fox Pro) |
| IDX |
Relational
database index (Symantec Q&A) |
| IDX |
Microsoft
Outlook Express file |
| IDX |
Index
file (Microsoft Clip Gallery v. 1.x) |
| IFF |
Interchange
file, (general purpose data storage format)) |
| IFO |
Digital
Video Disk (DVD) data file |
| IGES |
Initial
Graphics Exchange Specification |
| IIF |
Interchange
file (QuickBooks for Windows) |
| IIM |
Music
module |
| ILB |
Data
file
(Scream Tracker) |
| ILBM |
Bitmat |
| ILK |
Program
outline (Microsoft ILink incremental linker) |
| IM8 |
Raster
graphic (Sun Microsystems) |
| IMA |
Image
(Win Image |
| IMG |
Image
file |
| IMP |
Spreadsheet
(Lotus Improv) |
| IMQ |
Image
presentation (ImageQ) |
| INS |
Installation
file (HP New Wave) |
| INC |
Include
file (Assembler language or Active Server) |
| IND |
Shared
Database file (Specifically in Microsoft Windows) |
| INF |
Information
File |
| INI |
Initialization
file |
| INK |
Pantone
reference fills file (Corel DRAW) |
| INL |
Inline
function file (Microsoft Visual C++) |
| INRS |
INRS-Telecommunications
audio |
| INS |
INRS-Telecommunications
audio |
| INS |
Instrument
file (Ensoniq EPS Family) |
| INS |
Sample
(Cell/II MAC/PC instruments) |
| INS |
Data
file (WordPerfect for Windows) |
| INT |
Intermediate
executable code (Produced when a source program is syntax-checked) |
| INT |
Interfaced
units (Borland) |
| INX |
Index
file (Foxbase) |
| IOB |
3D
graphics database (TDDD format) |
| IOF |
Findit
document (Microsoft Findit) |
| ION |
File
description (4dos description) |
| IPL |
Pantone
Spot reference palette (Corel DRAW) |
| IPS |
International
patching system binary patch file |
| IQY |
Internet
inquiry (Microsoft) |
| ISO |
Lists
the files on a CD-ROM; based on the ISO 9660 CD-ROM file system
standard |
| IRS |
Resource
file (WordPerfect for Windows) |
| ISD |
Spell
checker dictionary (Rapid File) |
| ISH |
Compressed
archive |
| ISO |
ISO
(International Standards Organization table |
| IST |
Instrument
file (Digital tracker) |
| ISU |
Uninstall
script (Install Shield) |
| ITF |
Interface
file (JPI Pascal Top Speed) |
| ITS |
Internet
document set |
| IV |
Open
Inventor file |
| IVF |
Indeo
Video File |
| IW |
Screensaver
(Idlewild) |
| IW |
Presentation
flowchart |
| IWA |
Text
file (IBM Writing Assistant) |
| IWC |
Install
Watch document |