| AIFF Audio Interchange File Format | AVI Animations file | BAK Backup |
| BFF Binary File Format Definition | BIG Chinese | BIN Binary File |
| BIT Bitmap X11 | BMP Bitmap graphic | BNK Adlib instrument bank |
| CDF Common Format Scientif.data | CFF Compact Font Format Speci. | CIF Windows Clipboard Format |
| CMF Creative Music File Format | COM DOS based application | CRD Windows Card-file Format |
| CSS Cascading Style Sheets | CSV Comma Separated Value Files | CHK Lost cluster data |
| DAM MapInfo native data format | DIZ Program description | DLL Dynamic Link Library |
| DOC Microsoft Binary File Format | DOC documents and text files | EPS Encapsulated Postscript |
| EXE File Structure Execut. | FFA PR: Microsoft Fast-Find | GID Generated Index |
| GIF Graphics Interchange Format | HEX Hexadecimal formats | HTML HTML Specification |
| HTTP Hypertext Transfer Protocol | ICMP Internet Control Message Prot. | ICO Icon resources |
| IDF Instrument Definition File Format | IDX Outlook Express Format | IFFStandard InterchangeFormat |
| INI Initialization file | JPG Joint Photography Group | LNK LINK file format |
| MAP Borland MAP format | MBX Mailbox file format | MID MIDI Association |
| MOV QuickTime Movie Format | MPEG Compressed audio/video | NITF National Imag. Transm. Format |
| NLM Net-ware Module Format | NMGF Graphical Information format | NTX Clipper NTX Format |
| ODF Open Document Format | OFF Object File Format | OKT Octal Formats |
| OLD Backup Format | OMF Object Module Format | OPL PSION Organizer files |
| PAC PACSON/SOU file formats | PAF Personal Ancestral format | PAK Quake PAK Format |
| PAX Secure Image Format | PBM Portable Bitmap format | PCD Kodak CD format (RTF) |
| PCF PCF-File Format | PCS Embroidery file format | PCX PCX Format Technical Ref. |
| PDB Palm Pilot database format | PDF Portable Document Format. Acrobat | PDS Planetary Data System |
| PES Embroidery file format | PGM Portable Grey-map format | PGN Portable Game Notation Format |
| PGP Message Format | PIC LOTUS 1-2-3 .PIC File Format | PIF Program Information File Format |
| PIX LUMENA .PIX/BPX file formats | PK Bitmap font format | PKT Mail file format |
| PLM Disorder Tracker file format | PLY Auto-desk Animator Format | PM Power Music format |
| PNG Portable Network Graphics Specif | PPD PostScript Printer Descrip.Format | PPM Portable Pixel-map |
| PRC Palm Pilot execut.files | PRN Windows PRN Print File | PS16 Pro-tracker Studio 16 Format |
| PSID Sid-tune file formats (Word) | PSM Pro-tracker Studio Module Format | PSP Paint Shop Pro Format |
| PTM Poly-tracker Module Format | QFX Quick Link Fax Image Format | QIF Quicken Interchange Format |
| QWD Quake World format | RAR Compressed archive file | 1st ASCII text program information |
| LAY Word chart layout | RAS Sun Raster-file Format | RAW RAW Sound format |
| RBS Re-Birth 2.0.1 Format | RES Win32 Resource Format | RLE ULAH RLE Format.Acrobat |
| ROL Adlib .ROL format | RTF Rich Text File Format | RTM Real Tracker Module Format |
| S19 Motorola S-record format | S3M Scream Tracker Format | SAIF Spatial Archive Interch. Format |
| SAM AMI PRO doc. format | SAT ACIS file format | SFX Sound module format |
| SGF Smart Game Format | SGI Image File Format | SHD Shell Data file |
| SNM Netscape Mail Format | SNOOP Capture file format | SPC Galactic Indust. Format |
| SSS Studio Session Song Format | STL Rapid prototyping format | STM Scream Tracker Format |
| STR Structure list.DBASE | SVF Serial Vector Format | SYS System file |
| TAR Compressed archive file | TFM Font metrics format | TFMX ProfessionalSong Format |
| TG4 Tiled CCITT Fax format | TGA Targa image format | TIFF Tagged Image File Format |
| TJS Track-Joy Tracker format | TNT Total Annihilation MAP Format | TP? Tracker Packer format |
| TPU Turbo Pascal format | TXT Text file | UDF Universal Disk Format.Acrobat |
| VER Version description file | VIFF Visual file format | VIV VIVO, compressed video |
| VOC Creative Voice format | WAL Quake2 image format | WAV WAVE formats compression |
| WIF Weaving Information Format | WN Wanton Packer format | WRI Windows 3.1 Write Format |
| XBM X Bit-Map Format | XLS Microsoft Excel Format | XMS XMS-Tracker Format |
| XPM X Pix-Map Format(Acrobat) | ZEN Packer format | ZIP Compressed archive file |
