| File extension Name |
extension description |
| .7 | IBM Voice Type Language Script Data File |
| .7 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .7 | Salt Lake City Game Music File |
| .7 | Screen Log File |
| .71% | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .710 | Korg Triton Music Workstation |
| .712 | HTMST712 File |
| .72 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .720 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .73C | TI-73 Complex Number (Texas Instruments, Inc.) |
| .73D | TI-73 Debugger File (Texas Instruments, Inc.) |
| .73G | TI-73 Group (Texas Instruments, Inc.) |
| .73I | TI-73 Bitmap (Texas Instruments, Inc.) |
| .73K | TI-73 (Texas Instruments, Inc.) |
| .73L | TI-73 List (Texas Instruments, Inc.) |
| .73M | TI-73 Matrix (Texas Instruments, Inc.) |
| .73N | TI-73 Real Number (Texas Instruments, Inc.) |
| .73P | TI-73 Calculator Program (Texas Instruments, Inc.) |
| .73Q | TI-73 Certificate (Texas Instruments, Inc.) |
| .73S | TI-73 String (Texas Instruments, Inc.) |
| .73T | TI-73 Table Setup (Texas Instruments, Inc.) |
| .73V | TI-73 (Texas Instruments, Inc.) |
| .73W | TI-73 Window Setup (Texas Instruments, Inc.) |
| .73Y | TI-73 (Texas Instruments, Inc.) |
| .73Z | TI-73 Zoom (Texas Instruments, Inc.) |
| .747 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .75 | Ventura Publisher 75x75 dpi Display Font |
| .777 | 777 Compressed File Archive |
| .7A | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .7B | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .7DK | OS/2 Saved SKF Format File (IBM) |
| .7PS | Manual PS File |
| .7T | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .7Z | 7-Zip Compressed File (Igor Pavlov) |