GBSCR-GreenBlue-Services-Script-Ecyware
GBS-Game-Boy-music-Header
GBS-Gameshark-Online-Save-Snapshot
GBS-GTrek-Collective-GPS-Binary-File-GTrek-Ltd
GBS-Nintendo-GameBoy-music-audio-data
GBT-Adobe-Photoshop-File
GBT-Photoshop-File
GBX-Cyberboard-Gamebox-Dale-Larson
GBX-Cyberboard-Gamebox-Header
GBX-Game-data-package
GBX-Gerber-File
GBX-Gerber-PCB-File
GBX-Great-Budget-Budget-File-Great-Budget-Software
GBX-Nadeo-Game-File
GBX-Nadeo-Games-File-Format
GC1-Lisp-source-code-Golden-Common-Lisp-1-1
GC3-Lisp-source-code-Golden-Common-Lisp-1-1
GCA-GCA-File-Archive
GCA-G-Compression-Archiver-Compressed-File
GCA-G-Compression-Archiver-Header
GCA-IBM-GOCA-GCGW
GCART-Gaussian-Cartesian-chemical-modeller-output-file
GCB-Chord-Buster-Sequences-file
GCB-Guitar-Chord-Buster
GCC-GNU-C-file
GCCV-Mac-File-Type
GCD-Generic-TM-CADD-drawing-earlier-versions
GCF-ArcSoft-Greeting-Card-Creator-project-Header
GCF-Game-Cache-File
GCF-Global-Virtual-Accademy-GVA-XT-author-file
GCF-Graphing-Calculator-file
GCF-Greeting-Card-Creator-Project-ArcSoft
GCF-Half-Life-2-Episode-Two-game-cache-file
GCF-OptionSoft-WindowsXCompressor-archive-Header
GCF-Scream-Guralp-Compressed-Format-G-ralp-Systems-Ltd
GCF-Valve-Game-Cache-File-Valve-Corporation
GCF-WinXComp-grouped-compressed-file
GCG-GCG-8-Sequence-Chemical-File
GCG-GCG-Sequence-Chemical-file-Header
GC-GraphClick-File
GCI-GameCube-Save-File
GCI-GTA2-Game-File
GCI-Sonic-Adventure-DX-Saved-Game-File-Sega-of-America-Inc
GCI-Visual-EPR-Coseul-Exe-result-file
GCK-Giants-Citizen-Kabuto-Customized-Map-Planet-Moon-Studios
GCM-GameCube-image-file
GCM-Game-Cube-ROM
GCM-Group-Mail-CMessage-Store-File
GCO-Genbox-Family-History-Chart-Options-Thoughtful-Creations
GCP-Image-processing-file-Ground-Control-Point
TechTarget file types