| 0 | Inno setup binary file |
| 000 | (000-999) Sequentially numbered backup files; MS Doublespace compressed data file; Geoworks data file |
| 00B | PenSoft Payroll backup file |
| 001 | (001-999) HJSplit file (file splitter); Fax data file (various); Tagged Image Format file |
| 01B | PenSoft Payroll backup file |
| 075 | Ventura Publisher 75dpi screen characters |
| 085 | Ventura Publisher 85dpi screen characters |
| 091 | Ventura Publisher 91dpi screen characters |
| 096 | Ventura Publisher 96dpi screen characters |
| 0B | PageMaker printer font LineDraw characters |
| 1 | Inno Setup binary file |
| 10X | Gemini Bitmap printer graphics file |
| 113 | Iomega backup file |
| 123 | Lotus |
| 12M | Lotus Smartmaster |
| 12U | PageMaker font |
| 15U | PageMaker printer font |
| 196 | Computer Snooper log file |
| 1PE | TurboTax form file |
| 1ST | Information (e.g., README.1ST) |
| 1TX | 1toX (Logipole) |
| 22 | Clipstream 20 Kb stream |
| 24B | 24-bit graphic file |
| 286 | Windows standard mode driver |
| 2D | 2D VersaCAD drawing file |
| 2GR | Windows EGA/VGA screen grabber |
| 301 | Fax data |
| 303 | Seq-303 settings |
| 320 | Chromelion demo data file |
| 323 | H.323 Internet telephony |
| 340 | Chromelion demo data file |
| 386 | Windows enhanced mode driver or swap file |
| 3D | VersaCAD 3D drawing file |
| 3DM | 3D Modeler file |
| 3DP | Serif 3D Plus |
| 3DS | 3D Studio Graphic |
| 3DV | Visual component file |
| 3DZ | Easy 3D Creator project file |
| 3FX | Corel Chart 3D effect |
| 3GR | Windows SVGA/XVGA screen grabber |
| 3IN | MSN setup information |
| 3TA | Triple-T animation |
| 3TP | Triple-T plug-in |
| 44 | Clipstream 32 Kb stream |
| 411 | Sony Mavica data file |
| 4GE | Informix 4GL compiled code |
| 4GL | Informix 4GL source |
| 4SW | 4DOS swap file |
| 4TH | FORTH program |
| 4V | Quartet music file |
| 669 | 669 Tracker Module; Unis Composer music file |
| 8 | A86 assembler program file |
| 8BA | Adobe PhotoDeluxe plugin (also ends in E, F, I, X, & Y) |
| 8BF | Filter Factory file |
| 8M | PageMaker Math 8 printer font |
| 8U | PageMaker Roman 8 printer font |
| 906 | Calcomp plotter |
| 917 | Trend antivirus |
| |
| ### | Temporary file (Used with QTIC) |
| #01 and higher | Method of numbering picture files scanned from a roll of film |
| #24 | Locoscript 24-pin printer data file |
| #IB | Locoscript Dot Matrix data file |
| #SC | Locoscript Dot Matrix data file |
| #ST | Locoscript Dot Matrix printer definition file |
| |
| $$$ | Generic temporary file; Used by OS/2 to keep track of archived files |
| $$A | OS/2 |
| $$F | OS/2 Database |
| $$P | OS/2 Notes (Text files) |
| $$S | OS/2 Spreadsheet |
| $D$ | OS/2 Planner data file |
| $DB | dBase temporary data file |
| $ED | MS C/C++ temporary editor file |
| $LN | Borland C++ TLink response file |
| $VM | MS Windows Virtual Manager 3.11 temporary file |
| |
| @@@ | Screen files used in the installation and instruction on use of such applications as Microsoft Codeview for C |
| |
| _DD | Norton Disk Doctor recovered file |
| _DM | Nuts n Bolts Disk Minder recovered file (Helix Software now part of McAfee) |
| |
| ?q? | Squeeze |
| ??? | Dictation file, playable by BCB Voice Systems software, where the extension is the dictator's initials |
| |
| ~ | Temporary file |
| ~AP | Borland C++ AppExpert Project database file |
| ~DE | Borland C++ Project backup file |
| ~DF | Borland Delphi backup file |
| ~DP | Borland Delphi backup file |
| ~MN | Norton Menu Backup |
| ~NT | NT install files (Used between first and second reboot) |
| ~PA | Borland Delphi backup file |
| ~PR | Terramodel Project backup |
| ~SG | TapCIS Message index file |
| ~$~ | 1st Reader temporary file |
2010 Liberty Boy
Le Havre