UNITY3D-Unity-Scene-Web-Player-File
UNITY-Unity-Scene-File
UNI-UniMod-music-module-MOD-MikMod
UNIX-Text-File
UNIX-Unix-file
UNIXYZ-UniChem-chemical-modeller-output-file
UNIXYZ-UniChem-XYZ-chemical-modeller-input-file
Unknown-file-extension
UNKNOWN-None
UNKNOWN-Unknown-File-Type
UNK-Unknown-File
UNL-Garmin-Unlock-File
UNL-Informix-Binary-File-Created-by-UNLOAD-Command
UNM-XMap-Flight-Plan-or-Flight-Plan-Statistic-File-Delorme
UN_-Ntgraph-Setup30-file
UNQ-ACT-3-0-Email-message-attachment
UNQ-ACT-Saved-Unknown-Attachment-Best-Software-CRM-Division
UNR-Unreal-Game-Data-File
UNR-Unreal-Map-File
UNR-Unreal-Map-Header
UNS-Visual-Navigation-Suite-export-or-import-settings
UNT-AutoCAD-Unit-Definition-Autodesk-Inc
UNUSED-Photoline4-Defaults-file
UNV-BusinessObjects-universe-file
UNV-Forecast-Pro-Univariate-Forecast-File-Business-Forecast-Systems-Inc
UNV-I-DEAS-file
UNV-SDRC-I-DEAS-File
UNX-Text-file-Unix-specific-information
UOF-Uniform-Office-Format-Header
UOF-Uniform-Office-format-Unified-Office-Format
UOL-PhotoImpact-Clipart-Images
UOL-PhotoImpact-Object-Library-File
UOML-UniqueObject-Markup-Language-UOML-is-a-XML-based-markup-language
UOP-Ultima-Online-Patch-File
UOP-Uniform-Office-Format-presentation
UOS-Unified-Office-format-spreadsheet
UOT-Unified-Office-format-text
UP2-Audio-file
UP2-Ulead-COOL-3D-Plugins-Board-File
UPA-Universal-Programmer-Analyser-File
UPC-Ultimate-Paint-component
UPC-Ultimate-Paint-J-T-L-Development-Inc
UPDATE-ISAPI-Loader-New-ISAPI-Application-EGGcentric
UPDATE-ISAPI-update-file
UPDATE-Unknown-Apple-II-File
UPDF-UltraPdf-Publication-Software995
UPD-Updated-program-data-dBase
UPD-Updated-program-data-Generic
UPF-Bitmap-image-Universal-Picture-Format
UPF-Nokia-Phone-Digital-Photo-Nokia
TechTarget file types