| Abbreviation | Definition |
|---|---|
| ODC | OPeNDAP Data Connector |
| ODCS | Omni Directional Cell Site |
| ODE | Office Developer Edition |
| ODE | Open Dynamics Engine |
| ODIN | Open Documentary Information Navigator |
| ODL | Overlay Description Language |
| ODLM | Open Download Manager (software) |
| ODN | OCAP (OpenCable Application Platform) Digital Navigator |
| ODN | OCAP Digital Navigator |
| ODR | On-Demand Routing |
| ODSD | Ontology Driven Software Development |
| OE | Outlook Express |
| OEI | Open Extract Image |
| OEMT | Object Exchange Model Template |
| OEOP | Organisation and Environment Oriented Programming |
| OES | Order Entry System |
| OESS | Open Exchange Software Suite |
| OF | Open File |
| OFF | Object Factory Framework |
| OFFO | Objects For Formatting Objects |