| 1. | .iv | 3D object (Open Inventor format) |
| 2. | .iv-vrml | Inventor VRML Format document |
| 3. | .ivb | Bitmap graphics (Truevision Targa format) |
| 4. | .ivd | Microdata dimension or variable-level file (Beyond 20/20) |
| 5. | .ivp | User subset profile (Beyond 20/20) |
| 6. | .ivr | Virtual reality world (live picture) |
| 7. | .ivt | Information title (InfoViewer) ◊ Table or aggregate data (Beyond 20/20) |
| 8. | .ivx | Microdata directory (Beyond 20/20) |
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