| .ismc |
Smooth Streaming Client Manifest File |
| .ircp |
SpeedGrade IRIDAS Composite File |
| .igm |
Indigo Renderer Material File |
| .irrmesh |
Irrlicht Static Mesh File |
| .irr |
Irrlicht 3D Scene |
| .ix |
dtSearch Index File |
| .ivc |
InteliSea Vessel Configuration File |
| .ifcxml |
Industry Foundation Classes XML File |
| .igq |
Indigo Queue File |
| .jspx |
XML Java Server Page |
| .jnlp |
Java Web Start File |
| .jws |
Java Web Services File |
| .jasper |
JasperReports Data File |
| .jdf |
Adobe Acrobat Job Definition File |
| .jcp |
JCreator Project File |
| .jpd |
Java Process Definition |
| .jnp |
Java Web Start File |
| .jtx |
ESE Transaction Log |
| .jigsaw |
Jigsaw Explorer Save File |
| .kml |
Keyhole Markup Language File |
| .kon |
Yahoo! Widget XML File |
| .kdevprj |
KDevelop Project File |
| .kpf |
Komodo Project File |
| .kdenlive |
Kdenlive Project File |