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 Format,(data storage format)(Amiga,Electronic Arts) |
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) |
IGR | Drawing design file (SmartSketch, by InterGraph) |
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) |
ION | Plain text (ASCII Mascot data file), (Matrox) |
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) |
IXF | Fax document file (IFX for FAX) |
IZT | Binary token file (IZT) |