OL-DOS-pipe-file
OLE-Object-Linking-and-Embedding-OLE-custom-control-Microsoft
OLF-OyezForms-Legal-Documents-UK-Oyez
OLG-OATS-Log-File-AmsterCHEM
OL_-green-_-line-file
OLI-Text-file-Olivetti
OLK-Microsoft-Mail-Mailbag-Lock
OLK-Microsoft-Outlook-address-book
OLK-Outlook-Address-Book-Microsoft-Corporation
OLL-TrialDirector-Load-File-inData-Corporation
OL-MS-DOS-pipe-file
OLN-MS-Visual-C-Outline-examples
OLN-Visual-C-Outline-Examples-Microsoft-Corporation
OLR-Openlab-Raw-Format-Improvision
OLRW-Openlab-Raw-Format-Improvision
OLS-Microsoft-Office-list-shortcut-file
OLSR-Configuration-file-olsrd
OLSR-olsrd-configuration-Header
OLTB-Mac-File-Type
OLT-MS-Visual-C-Outline-examples
OLT-Orbit-Downloader-List-File-OrbitDownloader-com
OLV-OnLive-Traveler-Sound-File-The-Digital-Space-Commons
OLV-OyezForms-legal-document-file
OLV-Roller-Coaster-Tycoon-file
OMA-Audio-file-Labelgate-CD-2-MAGIQLIP2
OMA-Sony-OpenMG-Music-File
OMA-Sony-OpenMG-Music-Format-File-Sony-Corporation-of-America
OMB-Omnibus-Offline-Web-Storage-Alfega-Technologies-Inc
OMC-Atrac3-Sony-Music-Store-audio-file
OMCS-Office-Manager-Access-File
OMCS-Office-Manager-Enterprise-Document-Archive-Softwarebuero-Krekeler
OMD-Class-model-Prosa-OM
OMD-Prosa-OM-Class-Model
OMEG-MAC-CREATOR-CODE-Mathematica-all-kinds-of-files
OMEG-Mac-File-Type
OMFI-Open-Media-Framework-file
OMF-Open-Media-Format-File
OMG-O-O-DiskImage-backup-file
OMG-OpenMG-Audio-File
OMG-OpenMG-Jukebox-Sony
OMN-Omnipotent-collection-file
OM-Omicron-Compiler-File
OMO-OMake-Object-File
OMO-Oracle-Media-Objects-File
OMP-Office-Manager-Document-Archive
OMP-Office-Manager-Pro-Document-Archive-Softwarebuero-Krekeler
OMP-OpenMind-Project-MatchWare-A-S
OMS-Briggs-Softworks-Order-Maven
OMS-Omega-Downloader-Configuration-File
OMX-OMAX-Make-tool-path-data-with-rem-Header
TechTarget file types