of 1 
| Extension | File Type Developer | File Category | File Type Description | Primary Software | Primary Software Developer |
|---|---|---|---|---|---|
| .I | Microsoft Corporation | Developer Files | Visual Studio Intermediate File | Microsoft Visual Studio | Microsoft Corporation |
| .I3 | elego Software Solutions GmbH | Developer Files | Modula-3 Interface Source Code | Modula-3 | elego Software Solutions GmbH |
| .IAP | BioWare | Developer Files | Infinity Engine Add-on Patcher File | Baldur's Gate | BioWare |
| .ICE | Raphaël et Béatrice Mounier | Developer Files | ICE File Archive | ALZip | ESTsoft |
| .IDAPI | Borland | Developer Files | Borland Database Engine IDAPI Data | Borland C++ | Micro Focus International plc |
| .IDB | Microsoft Corporation | Developer Files | Visual Studio Intermediate Debug File | Microsoft Visual Studio | Microsoft Corporation |
| .IDL | Microsoft Corporation | Developer Files | Interface Definition Language File | Microsoft Visual Studio | Microsoft Corporation |
| .IDT | Microsoft Corporation | Developer Files | Windows Installer Database Text Archive File | Windows Installer | Microsoft Corporation |
| .IHT | Unknown Developer | Developer Files | Intranet Connector Script File | Unknown Software | Unknown Developer |
| .II | Axialis Company | Developer Files | IconWorkshop Extended Information File | Axialis IconWorkshop | Axialis Company |
| .IJS | Open Source | Developer Files | J Interpretor Script | J language | Open Source |
| .IJX | Jsoftware | Developer Files | J Language Execution Window | J language | Open Source |
| .IK | Ola Bini | Developer Files | Ioke Script | Ioke | Ola Bini |
| .ILE | Cadence Design Systems | Developer Files | Encrypted Cadence SKILL File | SKILL | Cadence Design Systems |
| .ILK | Microsoft Corporation | Developer Files | Microsoft Visual Studio Linker Input File | Microsoft Visual Studio | Microsoft Corporation |
| .IMI | Embarcadero Technologies | Developer Files | Turbo Pascal DOS File | Turbo Pascal | Embarcadero Technologies |
| .IML | JetBrains | Developer Files | IntelliJ IDEA Module | Microsoft Notepad | Microsoft Corporation |
| .IMP | Lotus Software | Developer Files | Improv Spreadsheet File | Lotus 1-2-3 | IBM |
| .INC | Microsoft Corporation | Developer Files | Include File | MacroMates TextMate | MacroMates |
| .INH | Microsoft Corporation | Developer Files | Visual Basic Basfwin File | Microsoft Visual Basic | Microsoft Corporation |
| .INL | Microsoft Corporation | Developer Files | C++ Inline File | C++ | Bjarne Stroustrup |
| .INO | Jordan Russell | Developer Files | Inno Setup Script | Microsoft Notepad | Microsoft Corporation |
| .IPP | The Eclipse Foundation | Developer Files | Inline Guard Macro File | Microsoft Visual Studio | Microsoft Corporation |
| .IPR | Flexera Software | Developer Files | InstallShield Project | InstallShield | Flexera Software |
| .IPS | ZeroSoft Zophar | Developer Files | Internal Patching System Patch File | MultiPatch patching tool | Open Source |
| .IQT | Tektronix | Developer Files | Tektronix File | The MathWorks MATLAB | MathWorks |
| .IS | elego Software Solutions GmbH | Developer Files | Intermediate Assembly File | Modula-3 | elego Software Solutions GmbH |
| .ISA | Adobe Systems Incorporated | Developer Files | Adobe Photoshop ImageReady Action Data | Adobe Photoshop | Adobe Systems Incorporated |
| .ISC | Xilinx, Inc. | Developer Files | Xilinx Device Configuration File | Xilinx Platform Studio (XPS) | Xilinx, Inc. |
| .ISM | Microsoft Corporation | Developer Files | IIS Smooth Streaming Manifest File | Microsoft IIS | Microsoft Corporation |
| .IST | Flexera Software | Developer Files | InstallShield Project Template File | InstallShield | Flexera Software |
| .IVU | IMMERVISION ENABLES | Developer Files | ImmerVision XML User Interface | PURE Player | IMMERVISION ENABLES |
| .IWB | Ionic Wind | Developer Files | IWBasic Source Code File | IonicWind IWBasic | Ionic Wind |
| .IWS | JetBrains | Developer Files | IntelliJ IDEA Web Page | Internet Explorer | Microsoft Corporation |
| .IWZ | Flexera Software | Developer Files | InstallShield Express 2 Project File | InstallShield | Flexera Software |
| .IX3 | Lokasoft | Developer Files | Rebel Chess Program File | Rebel | Lokasoft |
| .IXX | Bjarne Stroustrup | Developer Files | C++ Include File | C++ | Bjarne Stroustrup |
| .IZS | Evrsoft | Developer Files | 1st Page 2000 JavaScript Example File | 1st Page 2000 | Evrsoft |
Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall
“FileViewPro eliminates the time and frustration of trying to track down a specific piece of software to open a specific file.” - Tucows
*Files that are not supported can be opened in binary format.
Copyright © 2010-2023 FileViewPro