| File extension Name |
extension description |
| .9 | Screen Log File |
| .9 | IBM Voice Type Language Script Data File |
| .9 | Salt Lake City Game Music File |
| .9 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .90 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .900 | NCBridge NC900 Series Network Boot Software (Network Computing Devices, Inc.) |
| .906 | Calcomp Plotter File |
| .907 | Calcomp Plotter File |
| .90B3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .91 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .91 | Ventura Publisher 91x91 dpi Display Font |
| .911 | Config 911s File |
| .912 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .915 | Config 915e File |
| .917 | Trend Antivirus File |
| .92 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .92A | TI-92 Figure (Texas Instruments, Inc.) |
| .92B | TI-92 Backup (Texas Instruments, Inc.) |
| .92C | TI-92 Data (Texas Instruments, Inc.) |
| .92D | TI-92 GDB (Texas Instruments, Inc.) |
| .92E | TI-92 Expression (Texas Instruments, Inc.) |
| .92F | TI-92 Function (Texas Instruments, Inc.) |
| .92G | TI-92 Group (Texas Instruments, Inc.) |
| .92I | TI-92 Bitmap (Texas Instruments, Inc.) |
| .92K | TI-92 Application (Texas Instruments, Inc.) |
| .92L | TI-92 List (Texas Instruments, Inc.) |
| .92M | TI-92 Matrix (Texas Instruments, Inc.) |
| .92N | TI-92 (Texas Instruments, Inc.) |
| .92P | TI-92 Calculator Program (Texas Instruments, Inc.) |
| .92Q | TI-92 Certificate (Texas Instruments, Inc.) |
| .92R | TI-92 (Texas Instruments, Inc.) |
| .92S | TI-92 String (Texas Instruments, Inc.) |
| .92T | TI-92 Text (Texas Instruments, Inc.) |
| .92U | TI-92 OS Upgrade (Texas Instruments, Inc.) |
| .92X | TI-92 Macro (Texas Instruments, Inc.) |
| .92Y | TI-92 (Texas Instruments, Inc.) |
| .92Z | TI-92 Assembly Program (Texas Instruments, Inc.) |
| .93 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .93GS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .93GSV2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .94 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .940110 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .95 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .96 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .96 | Ventura Publisher 96x96 dpi Display Font |
| .98 | DLL Directx Migrate File |
| .999 | Sage Backup (Sage Software) |
| .999 | Multipass Security File |
| .99_ | Casino Game File |
| .9A | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .9B | Wavetool File |
| .9B | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .9BT | Wavetool File |
| .9DK | OS/2 Saved SKF Format File (IBM) |
| .9KP | Doom Archived TGA Graphics (Id Software, Inc.) |
| .9T | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .9XA | TI-92 Plus Figure (Texas Instruments, Inc.) |
| .9XB | TI-92 Plus Backup (Texas Instruments, Inc.) |
| .9XC | TI-92 Plus Data (Texas Instruments, Inc.) |
| .9XD | TI-92 Plus GDB (Texas Instruments, Inc.) |
| .9XE | TI-92 Plus Expression (Texas Instruments, Inc.) |
| .9XF | TI-92 Plus Function (Texas Instruments, Inc.) |
| .9XG | TI-92 Plus Group (Texas Instruments, Inc.) |
| .9XI | TI-92 Plus Bitmap (Texas Instruments, Inc.) |
| .9XK | TI-92 Plus Application (Circuit Analysis) (Texas Instruments, Inc.) |
| .9XL | TI-92 Plus List (Texas Instruments, Inc.) |
| .9XM | TI-92 Plus Matrix (Texas Instruments, Inc.) |
| .9XN | TI-92 Plus Application (Texas Instruments, Inc.) |
| .9XP | TI-92 Plus Calculator Program (Texas Instruments, Inc.) |
| .9XQ | TI-92 Plus Certificate (Texas Instruments, Inc.) |
| .9XR | TI-92 Plus (Texas Instruments, Inc.) |
| .9XS | TI-92 Plus String (Texas Instruments, Inc.) |
| .9XT | TI-92 Plus Text (Texas Instruments, Inc.) |
| .9XU | TI-92 Plus OS Upgrade (Texas Instruments, Inc.) |
| .9XX | TI-92 Plus Macro (Texas Instruments, Inc.) |
| .9XY | TI-92 Plus Archived Calculator Program (Texas Instruments, Inc.) |
| .9XZ | TI-92 Plus Calculator Program (Texas Instruments, Inc.) |