| 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 (Generic industry standard) |
| 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 (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 (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) |
