idx | Galactic IDX Library |
| Intuit Quicken Index Data |
| LaTeX Unsorted Index Data |
| Microsoft Outlook Express Mailbox Index |
| Microsoft SQL Server Constraints |
| PTC Creo Instance Index Data |
| SmartWare Index Data |
| Sunnysoft InterWrite Index Data |
| Treepad Database Index |
idz | Autodesk Inventor Compressed Content Library |
| I-DEAS Data |
ie | MyEclipse Image |
ie3 | Internet Explorer Related Data |
ied | ISIS Event Data File |
ief | iCE CFR Raw Data |
| ISIS Control File |
iei | Image Eye Index Cache |
iel | ParticleIllusion SE Emitter Library |
iem | Informix Error Message |
ienv | iData 3 Envelope Template Data |
ies | IESNA Photometric Data |
ie_ | Compressed IEC File |
if90 | Programmer's Notepad Data |
ifaith | iFaith SHSH Data |
ifc | Industry Foundation Classes Data |
ifczip | Compressed IFC Data |
ifd | Adobe Output Designer Form |
iff | SmartWare Temporary Merge Data |
ifi | inFlow Inventory Database Backup |
ifiction | Zoom iFiction File |
ifl | Autodesk 3D Studio Max Image File List |
iflv | InfoLevin Database |
ifm | Brighterion iPrevent Fraud Model |
| RSView Machine Edition Information Message |
| Shana Informed Filler Form Data |
ifn | IGOR Pro Formatted Notebook File |
ifo | ImageForge Pro Graphic Object Layer Data |
| RSView Machine Edition Information Setup Data |
ifol | Instant File Opener Data |
ifp | KnowledgeMan Script |
ifs | Ant Movie Catalog Script |
| FractInt IFS File |
| InfoSlips Package |
| OS/2 Warp Installable Filesystem Data |
ift | BSL Inverse Fourier Transform Data |
| IGOR Pro Formatted Notebook Template File |
ifw | INTUS Terminal Firmware |
ig | iSpy Event Data |
igb | Google Earth Model File |
igc | Anime List Builder Data |
igd | TIBCO Spotfire Graph Definition |
igl | inSORS Grid Layout File |
igm | Indigo Material Data |
| IOCOM Visimeet Data |
igma | INTUS Terminal Graph Mask Archive |
ign | Adobe RoboHelp Ignore List |
| ICQ Ignore List |
igq | Indigo Queue Data |
igr | Igor Engraver Data |
igs | Indigo Renderer Scene |
igt | ImageGadget Template |
igtheme | ImageGlass Theme |
igtx | IGOR Pro Text |
igv | Integrative Genomics Viewer Data |
igw | Interactive Groundwater Modeling Data |
iha | Proficy Historian Archive |
ihand | iClone Hand Data |
ihc | Proficy Historian Configuration |
ihs | Bink Inbound History Data |
ihw | IN-HEH Timeline Workspace |
ihx | IN-HEH Timeline Database |
ii | IconWorkshop Extended Information |
iib | Lotus Notes Incremental Backup Data |
iic | ISIS Initial Conditions Data |
iid | Instantiated IED Description Data |
iie | SimSystem IIe Emulator Data |
iif | Shana Informed Filler Interchange Document |
iii | Know Your Stuff File |
iil | Norton CleanSweep Installation Log |
iio | CoreFSIF IO Stream Data |