| Acronym | Meaning |
| MNP | Microcom Networking Protocol |
| SSL | Secure Sockets Layer |
| TDMA | Time Division Multiple Access |
| FDD | Floppy Disk Drive |
| RTF | Rich Text Format |
| SMIF | Stream-based Model Interchange Format |
| FDM | Frequency Division Multiplexing |
| MAPI | Messaging Application Programming Interface |
| DSR | Data Set Ready |
| OLAP | Online Analytical Processing |