| .EXEMPLE | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .EXPLOSION | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .EYA | ESRI China (Beijing) | Fichiers graphiques | eYaViewer Graphics File | Unknown Software | Unknown Developer |
| .F07 | Unknown Developer | Fichiers de police d’écriture | DOS 7-pixel Screen Font | Unknown Software | Unknown Developer |
| .F0A | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .F1C | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .F3 | Unknown Developer | Fichiers divers | FLASH BIOS File | Unknown Software | Unknown Developer |
| .F32 | FMJ-Software | Fichiers audio | Raw 32-Bit Audio File | Unknown Software | Unknown Developer |
| .F3LA | Corel | Fichiers graphiques | Corel Texture File | Unknown Software | Unknown Developer |
| .FAST | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FC | OpenText | Fichiers de paramètres | FirstClass Settings File | Unknown Software | Unknown Developer |
| .FCX | Patton & Patton Software | Fichiers 3D | Flow Charting Diagram File | Unknown Software | Unknown Developer |
| .FDCSS | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FDV | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FEL | Unknown Developer | Fichiers divers | Uncommon File Extension | Unknown Software | Unknown Developer |
| .FENDER | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FFR | Unknown Developer | Fichiers compressés | FFR Compressed Archive | Unknown Software | Unknown Developer |
| .FILE | Unknown Developer | Fichiers divers | Generic Windows File | Unknown Software | Unknown Developer |
| .FILELOCK | Unknown Developer | Fichiers cryptés | FileLock Data | Unknown Software | Unknown Developer |
| .FILES | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FILTER | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FIM | Terry W Gintz and Jules Ruis | Fichiers de données | Fractal Imaginator Data Or Parameter | Unknown Software | Unknown Developer |
| .FINAL | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FIQ | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FISH | Unknown Developer | Fichiers de données | 3D Fish Tank File | Unknown Software | Unknown Developer |
| .FIX | Corey Zeke Womack (Torrunt) | Fichiers graphiques | Vimage Image File | Unknown Software | Unknown Developer |
| .FIXED | Unknown Developer | Fichiers divers | DLLbackup Root File | Unknown Software | Unknown Developer |
| .FJO | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FLE | Unknown Developer | Fichiers de paramètres | Scanner Settings File | Unknown Software | Unknown Developer |
| .FLETCH | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FLEX | Unknown Developer | Fichiers de données | Flexi Data Smoothing File | Unknown Software | Unknown Developer |
| .FMC | Interscape | Fichiers de données | FormConnect Form File | Unknown Software | Unknown Developer |
| .FN_ | Unknown Developer | Fichiers CAD | CAD File | Unknown Software | Unknown Developer |
| .FONTS | Unknown Developer | Fichiers de police d’écriture | Font File | Unknown Software | Unknown Developer |
| .FORMATTER | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FORUM | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .FR12 | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FR6 | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FSE | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FSF | Microsoft Corporation | Fichiers temporaires | Microsoft Office Cache Data | Unknown Software | Unknown Developer |
| .FUQ | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .FUZZY | Unknown Developer | Fichiers de données | Fuzzy Logic File | Unknown Software | Unknown Developer |
| .FVP | Unknown Developer | Fichiers de paramètres | File Viewer Plus Batch Presets File | Unknown Software | Unknown Developer |
| .FVT | Fast Search & Transfer ASA | Fichiers vidéo | FAST Search & Transfer Video File | Unknown Software | Unknown Developer |
| .FWF | Unknown Developer | Fichiers de données | Xwave FWF Data | Unknown Software | Unknown Developer |
| .G1L | Casio Computer Co., Ltd. | Fichiers de données | Casio Model 9860 Data | Unknown Software | Unknown Developer |
| .G1M | Casio Computer Co., Ltd. | Fichiers de développeurs | Casio Model 9860 BASIC Program File | Unknown Software | Unknown Developer |
| .G3L | Unknown Developer | Fichiers divers | Uncommon File Extension | Unknown Software | Unknown Developer |
| .G8A | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GAMDB00P | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GEOM | Unknown Developer | Fichiers divers | AVS Application Visualization System File | Unknown Software | Unknown Developer |
| .GERMAN | Unknown Developer | Fichiers divers | Unknown Apple II Data File | Unknown Software | Unknown Developer |
| .GHI | Unknown Developer | Fichiers de paramètres | NCSA Mosaic Configuration File | Unknown Software | Unknown Developer |
| .GIF_ | Unknown Developer | Fichiers divers | GIF Image Filter Databgif File | Unknown Software | Unknown Developer |
| .GKNOTE | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GL3 | Unknown Developer | Fichiers de données | Green Line File | Unknown Software | Unknown Developer |
| .GLJ | Unknown Developer | Fichiers divers | Uncommon File Extension | Unknown Software | Unknown Developer |
| .GLX | Unknown Developer | Fichiers divers | Uncommon File Extension | Unknown Software | Unknown Developer |
| .GOH | Geoworks Ensemble | Fichiers de données | Geoworks GOC Header File | Unknown Software | Unknown Developer |
| .GON | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GQ | Unknown Developer | Fichiers de données | QLFC Archive Or Epson Printer Page Description Language | Unknown Software | Unknown Developer |
| .GQA | Hummingbird Ltd. | Fichiers de données | BI/Query Data Model Admin Layer | Unknown Software | Unknown Developer |
| .GR3 | Orchid Technology KK | Fichiers système | Graphics Device Driver | Unknown Software | Unknown Developer |
| .GRAPHICS | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .GRIP | World Meteorological Organization | Fichiers de données | Gridded Binary File | Unknown Software | Unknown Developer |
| .GRQ | Barco Graphics | Fichiers graphiques | Quickstep Barco Graphics File | Unknown Software | Unknown Developer |
| .GRS | Headlight Software | Fichiers de paramètres | GetRight Skin | Unknown Software | Unknown Developer |
| .GSFX | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GSV | Mad Catz | Fichiers de jeu | GameShark Saved Game | Unknown Software | Unknown Developer |
| .GSW | Unknown Developer | Fichiers de feuille de calcul | GraphShow Worksheet File | Unknown Software | Unknown Developer |
| .GWQA | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GX1 | Unknown Developer | Fichiers graphiques | Show Partner Graphics File | Unknown Software | Unknown Developer |
| .GYS | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .GZ0 | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .H! | Perfect world Inc. | Fichiers de base de données | Perfect Database Help Database File | Unknown Software | Unknown Developer |
| .H1 | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .HAI | Unknown Developer | Fichiers divers | Ntgraph Nt09b-2b Emx Lib File | Unknown Software | Unknown Developer |
| .HARP | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .HBQ | Unknown Developer | Fichiers divers | Uncommon File Extension | Unknown Software | Unknown Developer |
| .HEAD | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .HEADER | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .HEC | Unknown Developer | Fichiers de données | Grafic Pvquan Quant File | Unknown Software | Unknown Developer |
| .HED | XnSoft | Fichiers graphiques | Hi-Eddi Image File | Unknown Software | Unknown Developer |
| .HELPER | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .HER | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .HEY | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .HFI | Hewlett-Packard | Fichiers de police d’écriture | HP Font | Unknown Software | Unknown Developer |
| .HFX | Smith Micro Software | Fichiers de données | HotFax Data File | Unknown Software | Unknown Developer |
| .HIGH | Apple | Fichiers de données | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .HJD | Unknown Developer | Fichiers divers | Uncommon File Extension | Unknown Software | Unknown Developer |
| .HLG | BMERC | Fichiers de données | BMERC Homolog File Format | Unknown Software | Unknown Developer |
| .HLW | Unknown Developer | Fichiers de données | Win32/AMalum.EDHZ Data | Unknown Software | Unknown Developer |
| .HM4 | Lorex Technology | Fichiers de sauvegarde | Lorex Backup File | Unknown Software | Unknown Developer |
| .HNB | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .HNL | Unknown Developer | Fichiers de données | Hunter MFC Data | Unknown Software | Unknown Developer |
| .HNM | Cryo Interactive Entertainment | Fichiers vidéo | Cryo HNM Movie Soundtrack | Unknown Software | Unknown Developer |
| .HNQ | Unknown Developer | Fichiers divers | Hunter File | Unknown Software | Unknown Developer |
| .HNT | Unknown Developer | Fichiers divers | Hunter CSV Based Collections | Unknown Software | Unknown Developer |
| .HNY | Unknown Developer | Fichiers divers | Unknown File Type | Unknown Software | Unknown Developer |
| .HOF | Unknown Developer | Fichiers de jeu | Hall Of Fame Data | Unknown Software | Unknown Developer |
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