| Acronym | Meaning |
| MDI | Multiple Document Interface |
| AVI | Audio/Video Interleaved Format |
| SGML | Standard Generalized Markup Language |
| PUP | Potentially Unwanted Program |
| ICANN | The Internet Corporation For Assigned Names And Numbers |
| PIM | Personal Information Manager |
| CMYK | Cyan Magenta Yellow Black (Key) |
| IMHO | In My Humble Opinion |
| USENET | User Network |
| ECN | Explicit Congestion Notification |