Related Clues:
- Type of computer disc
- Format for Myst, back then
- Medium for the old Encarta encyclopedia
- Something computers cannot write to or erase
- Kind of connection port on a PC
- Format for older computer games
- Port letters
- Charging port, maybe
- Kind of computer port, in brief
- Obsolescent software format
- Computer port initials
- Kind of port on a computer, in brief
- Flash-drive port
- Format for the 1993 game 'Return to Zork'
- Modern sort of port