| fdprj | FluidDraw Project |
| fep | Microsoft WEFT Project |
| ffd | ffDiaporama Project |
| ffproject | FaceFilter Project |
| fg | FaceGen Project |
| fgp | Flash Gallery Builder Project |
| fgx | Formula Graphics Project |
| fh* | Adobe Freehand MX Project |
| fhprj | FlipHTML5 Project |
| fire | CoffeeCup FireStarter Project |
| fl | Adobe Flash Project |
| flipanim | FlipAnim Project |
| flow3dproj | FLOW-3D Project |
| flp | Adobe Flash Project File |
| CorelFlow Flowchart Project |
| FlipAnim Project |
| flprj | MadCap Flare Project |
| flw | Fusion Flow Data |
| RealFlow Project |
| flyp | Mapwing Tour Project |
| fm | FieldMOVE Project |
| fmj | FaceMorpher Project |
| fmp | FantaMorph Project |
| fmpx | Flood Modeller Project |
| fmr | BrainVoyager QX Functional Project |
| fms | FotoMagico Slideshow |
| fmz | Form Z Project |
| fog | Fontographer Font Project |
| fp | FastPaste Project |
| fpdx | Utilius Fairplay Project |
| fpg | FPS Creator Game Project |
| fpj | CryENGINE Facial Editor Project |
| FARSITE Project |
| fpr | Audit Workbench Project |
| frg | Sound Forge Pro Project |
| frj | FreeForm-J Project |
| fsp | Flash Slideshow Builder Project |
| fspr | FMOD Studio Project |
| fsprj | Flashcard Studio Project |
| fspro | FMOD Studio Project |
| fsproj | CoffeeCup FireStarter Project |
| Visual F# Project |
| fspy | fSpy Project |
| fsr | String-O-Matic Project |
| ftd | FFTDesigner Project |
| ftvx | FLV Editor Project |
| fun | Koolmoves Project |
| fup | FairUse Wizard Project |
| fvm | Fast Video Maker Project |
| fvp | FactoryLink Project |
| fwc | SIMATIC WinCC Project |
| fws | Faro SCENE Laser Scanner Project |
| fwt | Faceware Analyzer Tracking Project |
| fwz | Simfatic Forms Project |
| fxcop | Microsoft FxCop Project |
| fxcproj | Nvidia FX Composer Project |
| fxp | Adobe Flex Project |
| fz | Fritzing Sketch File |
| fzz | Fritzing Shareable Project |
| g1w | Casio fx-9860G SDK Project |
| gadgeprj | Ashampoo Gadge It Project |
| gameproj | GameSalad Windows Project |
| gan | GanttProject Project |
| gar | Ghidra Project Archive |
| gbap | GLBasic Project |
| gbp | gBurner Project |
| gbproj | GarageBand Project |
| gbsproj | GB Studio Project |
| gcdp | Greeting Card Studio Project |
| gcf | Greeting Card Creator Project |
| gcplus | Extron Global Configurator Plus Project |
| gcpro | Extron Global Configurator Pro Project |
| gcproj | Genome Compiler Project |
| gdf | GRAFIK Eye Designer Project |
| gdfmakerproject | GDF Editor Project |
| gdg | GDevelop Project |
| gdp | GUI Design Studio Project |
| Scrolling Game Development Kit Project |
| geany | Geany Project |
| gem | Amulet GEMstudio Project |
| geo | Map Maker Project |
| geoproj | DataGeosis Office Project |
| gepd | NatureMaps Project |
| gephi | Gephi Project |
| ght | Norton Ghost Project |
| gi2 | Ghost Installer v3 Project |
| gid | GiD Project Directory |
| ginspect_prj | GOM Inspect Project |
| gkd | Shoot Em Up Kit Project |
| gla | Sothink SWF Easy Project |
| glade | Glade Project |
| gnv | GenVision Project |
| godot | Godot Engine Project |
| gp | Gofer Project |
| gpj | Autorun-Autoplay Tools Project |
| gINT Project |
| Grapher Project |
| jGRASP Project |
| MULTI IDE Project |
| gpr | Babylon Glossary Builder Project |
