ARCH-Anarchie
ARCHCFG-F-E-A-R-2-Project-Origin-configuration-file
ARCH-Illum-src-dotfiles-file
ARCHIMEDES-Speccy-Snapshot
ARCHITECT-London-Architect-Design-File-BSS-Audio
ARCHITECT-Unknown-Apple-II-File
ARCH-MAC-file-type
ARC-LH-ARC-old-version-compressed-archive
ARC-SQUASH-Compressed-archive
ARD-ALAN-map-600-map-file
ARD-Alphacam-router-drawing-file
ARD-ArtiosCAD-Workspace-File
ARD-Map-Holux-Alan
ARE-BioWare-Aurora-Engine-Area-BioWare-Corp
ARE-Infinity-Engine-area-description-v1-0-Header
ARENA-Quake-3-Engine-Arena-File
ARF-Advanced-Recording-File-WebEx
ARF-Automatic-Response-file
ARFF-Comma-separated-data-file
ARG-Arghos-Diffusion-eBook
ARG-AutoCAD-Profile-Export-Autodesk-Inc
ARG-Hdf-Fort-_ps-file
ARGO-ArgoUML-project-file
ARGO-ArgoUML-project-Header
ARH-Archivers-definitions-file-DN
ARH-ArheoStratigraf-Project-File
ARH-ArHymo-hydrologic-simulation
ARH-ProTool-Compressed-Project-File
ARI-ARI-Compressed-archive
ARI-Aristotle-audio-file
AR-Javasoft-JRE-1-3-Library-File
ARJ-Robert-Jung-ARJ-compressed-archive-ARJ
ARK-ARC-File-Archiver-CPM-Port-archive
ARL-AOL-v4-0-organizer-file
ARLC-Commandos-2-Men-of-Courage-game-file
AR-Linux-Unix-command-library
ARLOLD-AOL-6-Organizer-America-Online-Inc
ARLOLD-File
ARM-Acorn-ROM-Disk-Image-File
ARM-Alphacam-Router-Parmeter-Macro-Planit
ARM-Armadillo-Software-Protection-System
AR-Midtown-Madness-City-Add-on-Microsoft-Corporation
ARM-Unknown-Apple-II-File
ARMX-ASP-NET-Source-File-Microsoft-Corporation
ARMY-Impossible-Creatures-Collection-of-Created-Creatures-Microsoft-Corporation
ARN-Astronomical-Research-Network
ARN-Astronomical-Research-Network-image-format-file
ARN-CD-Autorun-Creator-package
ARN-XMap-flight-plan-file
ARO-SteelArrow-script-file
TechTarget file types