| ind | Zemax Input Data |
| indbc | Alteryx Designer Packaged In-DB Connections Data |
| index | DICT Index File |
| index | MySQL Binlog Index Data |
| index | WOW! Diagnostic Index Data |
| indexarrays | Mac OS X Spotlight Index Data |
| indk | Adobe InDesign Keyboard Shortcut Set |
| inds | Adobe InDesign Snippet |
| indx | CALDB Index |
| indx | Microsoft Mail Index Data |
| inetloc | Mac OS X Finder Internet Location |
| inf | Adobe Type Manager Font Information |
| inf | OS/2 IPF Hypertext Help System Data |
| inf | PTC Creo Information Data |
| inf | Ulead Photo Explorer Thumbnail Info |
| infini-d | Infini-D 3.0 Scene |
| info | Drupal Module Information Data |
| info | PTC Creo Parts Info Data |
| info | Spider File Storage Index |
| info | WOW! Diagnostic Firmware Module Info |
| info | ZoomBrowser EX Image Index Data |
| inf_loc | Windows Driver Information Cache File |
| ing | MasterCook Ingredients Data |
| ini | Google Picasa Album Info |
| init | WebMoney Keeper CLASSIC Temporary Keys Data |
| inix | Adobe InDesign INIX Data |
| inj | DAZ Studio 3D Morph Injection Data |
| injb | Adobe InDesign Job Bag Data |
| ink | CorelDraw Pantone Reference Fills Data |
| ink | InkML Data |
| ink | Mimio Studio Ink Data |
| ink | Tablet PC Digital Ink |
| inl | Inspiration Custom Symbol Library |
| inline | Base64 Encoded Inline Image |
| inlx | Adobe InDesign Interchange Library |
