I

Intermediate file (Borland C++)

IAN

Text file (Sterling Software) (Groundworks COOL Business Team Model)

IAX

Bitmap (IBM Image Acess eXecutive)

IBM

Compressed archive (ARCHDOS, IBM Internal only)

ICA

Citrix file

ICA

Bitmap graphic (Image Object Content Architecture)

ICB

Targa bitmap

ICC

Printer file (Kodak)

ICC

Catalog file (IronClad)

ICD

Drawing file (IronClad)

ICL

Icon Library

ICM

Image Color Matching profile

ICN

Icon source code

ICO

Icon (Microsoft Windows 3.x)

ICS

Scene file (IronClad)

ID

Disk identification file (Generic)

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 (IntelliDraw)

IDX

Relational database index (Microsoft FoxPro)

IDX

Relational database index (Symantec Q&A)

IDX

Microsoft Outlook Express file

IDX

Index file (Microsoft Clip Gallery v. 1.x)

IDX

Index file (Pro/Engineer)

IFD

Form (JetForm Design)

IFF

Interchange file, (general purpose data storage format))

IFF

Image (Sun TAAC/SDSC Image Tool)

IFO

Digital Video Disk (DVD) datafile

IFO

Graphic object layer data (ImageForge Pro)

IFP

Script file (KnowledgeMan)

IFS

Compressed fractal image (Yuvpak)

IFS

System file (OS/2)

IFS

Create executable library (ImageForge/ImageForge Pro)

IGES

Initial Graphics Exchange Specification (Generic)

IGF

Metafile (Inset Systems)

IIF

Interchange file (QuickBooks for Windows)

IIM

Music module

ILB

Datafile (Scream Tracker)

ILBM

Bitmap (graphic image)

ILK

Program outline (Microsoft ILink incremental linker)

IM8

Raster graphic (Sun Microsystems)

IMA

Image (WinImage)

IMA

Vector graphic (EGO,Chart)

IMF

MIDI music file (Corridor 7, Blake Stone, Wolfenstein 3D, Spear of Destiny)

IMG

Image (GEM)

IMG

Bitmap graphic (Ventura Publisher)

IMP

Spreadsheet (Lotus Improv)

IMQ

Image presentation (ImageQ)

IMS

Create executable library data (IconForge)

IN$

Installation file (HP NewWave)

IN3

Input device driver (Harvard Graphics v3.0)

INB

Test script (Vermont High Test)

INC

Include file (Assembler language or Active Server)

IND

Index (dBase IV)

IND

Shared Database file (Specifically in Microsoft Windows)

INF

Information file (Generic)

INF

Type I LaserJet font information file

INF

Install script (Generic)

INI

Initialization file (Generic)

INI

Setup file (MWave DSP synth's mwsynth.ini GM)

INI

Bank setup file (Gravis UltraSound)

INK

Pantone reference fills file (CorelDRAW)

INL

Inline function file (Microsoft Visual C++)

INP

Source code for form, (Oracle,version 3.0 and earlier)

INRS

INRS-Telecommunications audio

INS

Install script (InstallShield)

INS

Sign-up file (X-Internet)

INS

Instrument file (Ensoniq EPS Family)

INS

Sample (Cell/II MAC/PC instruments)

INS

Datafile (Microsoft WordPerfect for Windows)

INS

Installation script (1st Reader)

INS

Instrument music file (Adlib)

INT

Intermediate executable code (Produced when a source program is syntax-checked)

INT

Interfaced units (Borland)

INX

Index file (Foxbase)

IO

Compressed archive (CPIO)

IOB

3D graphics database (TDDD format)

IOC

Organizational chart (Instant ORGcharting!)

IOF

Findit document (Microsoft Findit)

ION

File description (4dos descript.ion)

IPL

Pantone Spot reference pallette (CorelDRAW)

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 (Microsoft WordPerfect for Windows)

ISD

Spell checker dictionary (RapidFile)

ISH

Compressed archive (ISH)

ISO

ISO (International Standards Organization table, aka: ISO)

ISP

Sign-up file(X-Internet)

IST

Instrument file (Digitaltracker)

ISU

Uninstall script (InstallShield)

IT

Settings file (intalk)

ITF

Interface file (JPI Pascal TopSpeed)

IT

Music module (MOD) (Impulse Tracker)

ITI

Instrument file (Impulse Tracker)

ITS

Sample file (Impulse Tracker)

ITS

Internet document set (possibly a Microsoft file)

IV

Open Inventor file

IVD

Microdata dimension or variable-level file (Beyond 20/20)

IVP

User subset profile (Beyond 20/20)

IVT

Table or aggregate data (Beyond 20/20)

IVX

Microdata directory (Beyond 20/20)

IW

Screensaver (Idlewild)

IW

Presentation flowchart (IconAuthor-HSC Interactive)

IWA

Text file (IBM Writing Assistant)

IWC

Install Watch document

IWM

Start file (IconAuthor)

IWP

Text file (Wang)

IZT

Binary token file (IZT)


JAR

Java ARchive (a compressed file for applets and related files)

JAS

Graphic (Generic)

JAVA

Source code (Java)

JBD

Datafile (SigmaScan)

JBF

Image browser file (Paint Shop Pro)

JBX

Project file (Project Scheduler 4.0)

JFF

JPEG image

JIF

JPEG image

JFIF

JPEG image

JMP

Discovery chart-to-statistics (SAS JMP)

JN1

Jill of the Jungle data (Epic MegaGames)

JNB

Workbook file (Sigma Plot 5)

JOB

Vector graphics file created by conversion of a IMG file (QuestVision)

JOR

Journal (Microsoft SQL Server)

JOU

Journal backup (VAX Edt editor)

JPC

Graphic (Japan PIC)

JPE

JPEG image

JPEG

JPEG compressed bitmap

JPG

JPEG bitmap

JS

JavaScript source code

JSD

Jet Suite document (eFAX)

JSP

A HTML page containing a reference to a Java servlet

JTF

JPEG bitmap

JTF

Fax document (Hayes JT Fax)

JTF

Bitmap graphic (JPEG Tagged Interchange Format)

JTK

Java ToolKit file (Sun Microsystems)

JW

Text document (JustWrite)

JWL

Library (JustWrite)

JZZ

Spreadsheet (Jazz)

J62

Ricoh camera file