G

Data chart (APPLAUSE)

GAL

Album (Corel Multimedia Manager)

GAM

Fax document (GammaFax)

GB

Emulator ROM image file (Nintendo GameBoy)

GBC

Color emulator ROM image file (Nintendo GameBoy)

GBL

Global definitions (VAXTPU Editor)

GC1

Lisp source code (Golden Common Lisp 1.1)

GC3

Lisp source code (Golden Common Lisp 1.1)

GCD

Generic (TM) CADD drawing (later versions)

GCP

Image processing file (Ground Control Point)

GDB

Database file (InterBase)

GDF

Dictionary file (GEOS)

GDM

Bells, whistles, and sound boards module

GED

Genealogical data (GEDCOM)

GED

Graphic Environment Document (drawing)

GED

Graphics editor native format (Arts & Letters)

GED

Graphics editor file (EnerGraphics)

GEM

Metafile (GEM)

GEM

Vector graphics (Ventura Publisher)

GEN

Generated text (Ventura Publisher)

GEN

Compiled template (dBase Application Generator)

GEO

Geode (Geoworks)

GetRight

Unfinished-Download (GetRight)

GFB

Compressed gif image (GIFBLAST)

GFC

Patton&Patton Flowcharting 4 flowchart

GFI

Graphics Link presentation (Genigraphics)

GFT

Font (NeoPaint)

GFX

Genigraphics Graphics Link presentation

GIB

Chart (Graph-in-the-Box)

GID

Windows 95 global index (containing help status)

GIF

Bitmap (CompuServe)

GIM

Graphics Link presentation (Genigraphics)

GIW

Presentation (Graph-in-the-Box for Windows)

GIX

Graphics Link presentation (Genigraphics)

GKH

Ensoniq EPS family disk image

GKS

GripKey document (Gravis)

GL

Animation file (GRASP graphical System for Presentation)

GLM

Datafile (Glim)

GLS

Datafile (Across)

GLY

Glossary (Microsoft Word)

GMF

CGM Graphics (APPLAUSE)

GMP

Tile map (Geomorph) (SPX)

GMR

Graphical monitor record (Schlafhorst Automation)

GNA

Graphics Link presentation (Genigraphics)

GNO

Genealogy document file (Genopro)

GNT

Generated executable code (Micro Focus)

GNX

Graphics Link presentation (Genigraphics)

GOC

Goc sorce code (Geoworks)

GOH

Goc header (Geoworks)

GP

Geode parameter file (Geoworks Glue)

GPH

Graph (Lotus 1-2-3/G)

GPK

Program package (Omnigo)

GPP

Graph paper application file (GraphPap) (Generates graph paper)

GR2

Screen driver (Microsoft Windows 3.x)

GRA

Graph (Microsoft)

GRA

Datafile (SigmaPlot)

GRB

Shell Monitor (MS-DOS v5.0)

GRD

Image processing grid (CHIPS)

GRF

Grapher (Golden Software) graph

GRF

Graph (Charisma Graph Plus)

GRP

Program Manager Group (Microsoft)

GRP

Pictures group (PixBase)

GRY

Raw graphic (GREY)

GS1

Presentation (GraphShow)

GSD

Vector graphic (Professional Draw)

GSM

Audio stream Raw GSM (6.10 audio stream)

GSM

Audio stream Raw 'byte aligned (GSM 6.10 audio stream)

GSM

GSM w.o. header/VoiceGuide/RapidComm file (US Robotics voice modems)

GSM

GSM w. header/QuickLink file (US Robotics voice modems)

GSP

Sketch pad file (GeoMeter Sketch Pad)

GSP

Zip file (Gnuzip) (Allows for output to html)

GSW

Worksheet (GraphShow)

GTK

Music module (Graoumftracker) (old) (MOD)

GT2

Music module (Graoumftracker) (new) (MOD)

GUP

Data (PopMail)

GWP

Greetings WorkShop file

GWX

Graphics Link presentation (Genigraphics)

GWZ

Graphics Link presentation (Genigraphics)

GXL

Graphics library (Genus)

GZ

Compressed file (Unix gzip)

G721

Raw CCITT G.721 //$bit ADPCM data

G723

Raw CCITT G.723 3 or 5bit ADPCM data

G8

Raw Graphics (one byte per pixel) Plane III (PicLab)


H

Program header (C)

HA

Compressed archive (HA)

HAM

Driver file (Novell Netware)

HAM

Vector graphics saved file (Amiga)

HAP

Compressed archive (HA)

HBK

Handbook (MathCad)

HBK

Accounting data file (Humanic Software)

HCM

Configuration file (IBM HCM)

HCOM

Sound Tools file (HCOM)

HCR

Production configuration file (IBM HCD/HCM)

HDF

National Center for Supercomputing Applications (NCSA) Geospatial Hierarchical Data

HDF

Help file (Help development kit)

HDL

Alternate download listing (ProComm Plus)

HDR

Database header (Pc-File+)

HDR

Datafile (Egret)

HDR

Message header text (ProComm Plus)

HDR

Message header text (1st Reader)

HDW

Vector graphics (Harvard Draw)

HDX

Help index (AutoCAD)

HDX

Help index (Zortech C++)

HED

Document (HighEdit)

HEL

Hellbender saved game (Microsoft)

HEX

Macintosh BinHex 2.0 file

HFI

HP font info (GEM)

HGL

Drawing file (HP Graphics Language)

HH

Help system map (Generic)

HH

Header file (C++)

HHH

Precompiled header (Power C)

HHP

Help information for remote users (ProComm Plus)

HIT

Audio file (HitPlayer)

HLB

Help library (VAX)

HLP

Help file (Generic)

HLP

Windows Help file (DataCAD)

HMI

Human machine interfaces MIDI music file (Descent)

HMM

Alternate mail read option menu (ProComm Plus)

HMP

Human machine interfaces MIDI music file (Descent)

HNC

Program files (CNC)

HOG

Lucas Arts Dark Forces WAD file

HOG

Mission file (Descent 1-2)

HOG

Main data package file (Descent3)

HOT

Document file (HotSend)

HP8

Ascii text Roman8 character set (NewWave Write)

HPC

Font language file (Hewlett-Packard)

HPF

HP LaserJet font (Adobe Pagemaker)

HPF

Partial download file (HotLine)

HPG

HPGL Plotter vector graphics (AutoCAD)

HPG

HPGL Plotter vector graphics (Harvard Graphics)

HPI

Font information (GEM)

HPJ

Help Project file (Visual Basic)

HPK

Compressed archive (HPACK)

HPM

Emm text (HP NewWave)

HPM

Alternative menu for privileged users (ProComm Plus)

HPP

Program header (C++)

HPP

Header file (Zortech C++)

HQX

BinHex (Macintosh 4.0)

HRF

Rastor graphic (Hitachi)

HRM

Alternate menu for limited users (ProComm Plus)

HS2

Monochrome image (Postering)

HSC

FM synthesized music file (Used by many old games, e.g.:FINTRIS, ROL)

HSI

Graphic (Handmade Software, Inc.)

HST

History file (Generic)

HST

History file (ProComm Plus)

HT

HyperTerminal file

HTA

A HTML file that has been used to by viruses to update the system registry

HTM

A Web page (a file containing Hypertext Markup Language - HTML - markup)

HTML

A Web page (a file containing Hypertext Markup Language - HTML - markup)

HTT

Hypertext template (Microsoft)

HTX

Template (Extended HTML)

HWD

Presentation (Hollywood)

HWP

Korean word processor document format (HanGul)

HXM

HAM extension (Descent2)

HXM

Alternate protocal selection menu (ProComm Plus)

HXX

Header file (C++)

HY1

Hyphenation algorythm (Ventura Publisher)

HY2

Hyphenation algorythm (Ventura Publisher)

HYC

Datafile (Microsoft WordPerfect for Windows)

HYD

Hyphenation dictionary (Microsoft WordPerfect for Windows)

HYM

3D Image binary file (Hymarc Scandata Scanner)

HYP

Compressed archive (HYPER)

H!

On-line Help (Flambeaux Help!)

H++

Header file (C++)

H--

Header file (Sphinx C--)