UK-English-language-translation-file
UKS-Microsoft-Works-File
UKS-Works-File-Microsoft-Corporation
UK-TAGCASE0-html-folder-file
UKX-Unreal-Animation-Package
UKX-Unreal-Tournament-animation-file
UL-Audio-file-ULAW
ULAW-CCITT-G-711-audio-US-Telephony
ULB-COBOL-Unisys-Library-file
ULD-Uploaded-file-information-Procomm-Plus
ULead-PhotoImpact-Temporary-File
ULF-data-MRF-Mapping-Tool-Kit-Universal-List-Format
ULF-Universal-List-File
ULF-Uniware-Layout-File-Uniware
ULP-EAGLE-Layout-Editor-Script-CadSoft-Computer-GmbH
ULP-Peugeot-Diag-2000-File
ULS-Internet-Location-Service
ULS-NetMeeting-user-location-service-file
ULT-Music-module-MOD-UltraTracker
ULW-Raw-micro-Law-Audio-File
ULW-u-Law-Audio-File
ULX-CLAN-Lexical-File-Child-Language-Data-Exchange-System
ULX-Glulx-data-file
ULZ-USBlyzer-Data-Capture-File
ULZ-USBlyzer-USBlyzer
UMB-Backup-file-archive-MemMaker
UMD-UMD-Photobook
UML-Visual-UML-Class-Diagram-Model-Visual-Object-Modelers-Inc
UMOD-Unreal-Self-extracting-MOD-File
UMOD-Unreal-Self-extracting-MOD-File-Epic-Games
UMOD-Unreal-Tournament-Module-File
UMP-UModel-Project-Altova
UMR-MyEclipse-UML-Model-Repository-Genuitec-LLC
UMS-Rune
UM-The-Land-Of-UM-World-File
UMX-Deus-Ex-file
UMX-Harry-Potter
UMX-U-MYX-Player-song-mix-data
UMX-Unreal-Music-Package
UMX-Unreal-Tournament-music
UNAUTH-SiteMinder-Unauthorized-Message-File
UNC-Files-and-Settings-Transfer-Wizard-Output-Folder-Note-folder-format
UND-A86-Assembler-Undefined-Symbols
UND-A86-UNDefined-symbols
UNF-Btreive-Unformatted-File
UNF-Universal-NES-Image-Interchange-File-Format
UNIC-Unic-Tracker-v1-v2-formats
UNI-Datafile-Forcast-Pro
UNIF-Universal-NES-Image-Interchange-File-Format
UNIKEY-Unikey-Software-Protection-Solution-SecuTech-Solution-Inc
TechTarget file types