Sorted alphabetically: U

#File extensionThe full name of the file
 
1 U File Extension Unreal Tournament Class Package
2 U00 File Extension The Price Is Right 2010 Game
3 U01 File Extension Barudan Embroidery
4 U08 File Extension UFile Data
5 U10 File Extension UFile 2010 Tax Return
6 U11 File Extension UFile 2011 Tax Return
7 U12 File Extension UFile 2012 Tax Return
8 U14 File Extension Embird Embroidery Software Data Format
9 U255LAW File Extension Exponential 8-bit Sound
10 U2CAR File Extension NFS:U2 Car
11 U32 File Extension Authorware Cover
12 U3D File Extension Universal 3D Format
13 U3I File Extension U3 Application Information Format
14 U3P File Extension U3 Smart Application
15 U8 File Extension 3D Lemmings Audio Format
16 U96 File Extension EasyZip Temporary
17 UAE File Extension WinUAE Configuration
18 UAL File Extension Entrust Unattended Login Credentials
19 UAP File Extension SIMATIC WinCC User Archive Export
20 UAQ File Extension Microsoft Windows Action Queue
21 UAR File Extension Uniface Deployment Archive Format
22 UAS File Extension Ulead PhotoImpact Backup
23 UASSET File Extension UnrealEd Resource Format
24 UAV File Extension OpenPilot UAV Settings
25 UAX File Extension Unreal Audio Package
26 UB File Extension Unsigned Byte Audio Format
27 UBIFS File Extension Linux UBIFS Image
28 UBJ File Extension Universal Binary JSON Format
29 UBM File Extension IPhoto Mtwain Install
30 UBOT File Extension UBot Project Format
31 UBOX File Extension Universe Sandbox Data Format
32 UBR File Extension IIS WCAT Configuration
33 UBX File Extension U-center UBX GPS Log Data Format
34 UBZ File Extension Open-Sankore Document Format
35 UC File Extension UnrealScript Class
36 UC2 File Extension UltraCompressor 2 Archive
37 UCB File Extension Unstoppable Copier Batch Scirpt Format
38 UCCAPILOG File Extension Microsoft UCC API Log Format
39 UCD File Extension Prosa Diagram
40 UCE File Extension Windows UCE System Format
41 UCF File Extension WebEx Media Format
42 UCI File Extension UFS Explorer Backup Format
43 UCL File Extension Unreal Tournament Cache Format
44 UCLS File Extension ObjectAid UML Explorer Class Diagram
45 UCM File Extension Crazy Machines Model Format
46 UCP File Extension SmartWare Communications Profile
47 UCR File Extension MicroSim PCBoard Unrouted Nets Report
48 UCS File Extension Homeworld Localized Unicode Strings
49 UCSETTINGS File Extension Universal Converter Settings
50 UCT File Extension UC Browser Theme Format
51 UCV File Extension Universal Converter Conversion
52 UCX File Extension Rational XDE
53 UD File Extension OmniPage User Dictionary
54 UDA File Extension ZEMAX Model Data
55 UDB File Extension Dynamics AX User Database Format
56 UDC File Extension Adobe InDesign User Dictionary
57 UDCX File Extension Universal Data Connection Format
58 UDEB File Extension Debian Package Format
59 UDF File Extension Universal Disk Format Format
60 UDG File Extension UDraw(Graph)
61 UDI File Extension CorelDRAW Draw Script Textures Bitmap
62 UDID File Extension Google Android Unique Device IDentifier
63 UDIF File Extension Apple Mac OS X Universal Disk Image Format
64 UDK File Extension Unreal Engine Map Format
65 UDL File Extension Microsoft Universal Data Link Format
66 UDM File Extension MapView User Module
67 UDO File Extension Moray UDO 3D
68 UDP File Extension Corel VideoStudio Scene Information
69 UDR File Extension Jade Unstructured Data Resource Format
70 UDS File Extension FIMware Database Format
71 UDT File Extension User Defined Type Data Format
72 UDW File Extension Raw Unsigned DoubleWord (32-bit) Data
73 UDX File Extension PI Expert Design Software
74 UDZ File Extension UDA ConstructionSuite Data Format
75 UEA File Extension Protector Suite QL Encrypted Archive
76 UEC File Extension UltraEdit Settings Format
77 UEED File Extension Uconomix Encryption Engine Encrypted Directory
78 UEF File Extension Unified Emulator Format Format
79 UEL File Extension Tekla Structures Custom Components Data Format
80 UEM File Extension LDC Region Data Format
81 UENC File Extension UltraEdit Encrypted Text
82 UES File Extension Ulead Photo Explorer Slide Show
83 UEW File Extension UltraEdit Wordfile
84 UEZ File Extension Ulead COOL 3D Graphics
85 UF File Extension Crestron SIMPL+ X Generation Compiled Data Format
86 UFA File Extension GIF Animator Animation Object Information
87 UFC File Extension SATURN Suite
88 UFDR File Extension UFED Physical Analyzer Report Package
89 UFF File Extension DataWave SciWorks Physiological Data
90 UFI File Extension UFOCaptureV2
91 UFM File Extension Unicode TrueType Font Format
92 UFO File Extension Ulead Format Object
93 UFP File Extension Ulead Photo Project
94 UFR File Extension Ultra Fractal Format
95 UFRAW File Extension UFRaw Data Format
96 UFS File Extension FreeBSD Unix Format System Format
97 UFSUZIP File Extension Compressed Unix Format System Format
98 UFX File Extension Ultimate 3D Game Engine Material
99 UGC File Extension Ace Of Spades Game Data Format
100 UGD File Extension Need For Speed Underground
101 UGI File Extension MultiGo Game Data Format
102 UGP File Extension Aroma Unit Genome Position Data Format
103 UGR File Extension Apophysis Gradient
104 UGZ File Extension MultiGo Compressed Game Data Format
105 UHA File Extension UHarc Compressed Archive
106 UHH File Extension Eurotherm Hydra History Encrypted
107 UHS File Extension Universal Hint System Binary
108 UHTM File Extension Unreal Tournament
109 UHTML File Extension UHTML Document Format
110 UI File Extension User Interface Format
111 UIBAK File Extension UltraISO Backup Disk Image
112 UIC File Extension COCO Unit ICon
113 UID File Extension IBM Voice Type Users
114 UID-ZPS File Extension Zoner Photo Studio Picture Autobackup
115 UIF File Extension Universal Image Format Disc Image
116 UIL File Extension IBM AIX User Interface Language
117 UIN File Extension ICQ 2001 Saved ICQ Contact Information
118 UIR File Extension LabWindows User Interface Resource
119 UIS File Extension WindowBlinds User Interface Specification
120 UIT File Extension UIX XML Template
121 UITEST File Extension Microsoft Visual Studio Data Format
122 UIX File Extension UiXML Page
123 UIZ File Extension Spybot Search & Destroy Updater
124 UK File Extension English (British) Language Translation
125 UKA File Extension Fifa World Cup Game Data
126 UKE File Extension Ulead VideoStudio Data Format
127 UKR File Extension Adobe Acrobat Language Resource Data Format
128 UKS File Extension Microsoft Works
129 UKX File Extension Unreal Animation Package
130 UKY File Extension UltraMixer Licence Key
131 UL File Extension Windows Updates Downloader Update List Format
132 ULAW File Extension Raw U-Law Audio Format
133 ULB File Extension COBOL Unisys Library
134 ULC File Extension RevaSoft ULC Application Format
135 ULD File Extension Unified Luminaire Datafile
136 ULF File Extension Universal List Format
137 ULG File Extension ULG Bitmap Image Format
138 ULI File Extension Microsoft Office Data Format
139 ULP File Extension EAGLE Script
140 ULS File Extension NetMeeting User Location Service Format
141 ULT File Extension UltraTracker Module
142 ULW File Extension U-Law Audio Format
143 ULYS File Extension Ulysses Project
144 ULZ File Extension USBlyzer Data Capture Format
145 UM3 File Extension XWE Data Format
146 UM4 File Extension Samsung Smart TV Video Format
147 UMAP File Extension Unreal Tournament Map Format
148 UMB File Extension MemMaker Backup
149 UMC File Extension SIMPL Application Format
150 UMD File Extension UMD Mobile Ebook
151 UMF File Extension MediaHolder Universal Media Format Format
152 UML File Extension UML Data Object Model
153 UMLCLASS File Extension UML Class Model
154 UMLX File Extension Visual UML XML Model
155 UMM File Extension Unified Molecular Modeling
156 UMOD File Extension Unreal Tournament Module Format
157 UMP File Extension UModel Project
158 UMPROFILE File Extension UltraMon Display Profile Format
159 UMR File Extension MyEclipse UML Model Repository
160 UMS File Extension Rune 3D Mesh Format
161 UMSHORTCUT File Extension UltraMon Data Format
162 UMV File Extension Are You Afraid Of The Dark? Video Data Format
163 UMX File Extension Deus Ex Format
164 UNA File Extension SIMS Unauthorized Data
165 UNAUTH File Extension SiteMinder Unauthorized Message Format
166 UNAVAILABLE File Extension Al-Namrood Ransomware Affected Format
167 UNCOMPRESSED_SIZE File Extension Singularity Game
168 UNF File Extension Btreive Unformatted
169 UNI File Extension MikMod UniMOD Module
170 UNIF File Extension Universal NES Image Format ROM Image Format
171 UNITXT File Extension YS FLIGHT Language
172 UNITY File Extension Unity Scene Format
173 UNITY3D File Extension Unity Web Player Format
174 UNITYPACKAGE File Extension Unity Package Format
175 UNITYPROJ File Extension Unity 3D Project
176 UNIT_VARIANT File Extension Total War Unit Variant Settings
177 UNIX File Extension Unix
178 UNK File Extension UVProbe Format
179 UNKNOWN File Extension Unknown Format Type
180 UNKNOWN_VIDEO File Extension Youtube API Video Information Format
181 UNL File Extension Garmin Unlock Format
182 UNQ File Extension ACT! 3.0 Email Message Attachment
183 UNR File Extension Unreal Level Map
184 UNREAL File Extension Unreal Tournament Link Format
185 UNRST File Extension OPM Data Format
186 UNS File Extension Visual Navigation Suite Export Or Import Settings
187 UNT File Extension AutoCAD Unit Definition Format
188 UNUSED File Extension Photoline 4 Defaults
189 UNV File Extension BusinessObjects Universe
190 UNX File Extension Unix Text Format
191 UOF File Extension Uniform Office Document
192 UOL File Extension PhotoImpact Clipart Image
193 UOP File Extension Uniform Office Presentation
194 UOS File Extension Uniform Office Spreadsheet
195 UOT File Extension Uniform Office Document
196 UPC File Extension Ultimate Paint Component
197 UPD File Extension Program Update Information
198 UPDATE File Extension ISAPI Update Format
199 UPDATR File Extension IConomy Update Format
200 UPDF File Extension UltraPdf Publication
201 UPF File Extension Nokia Phone Digital Photo Format
202 UPG File Extension Firmware Upgrade Format
203 UPI File Extension Ulead PhotoImpact Plugin
204 UPJ File Extension Ulead Project
205 UPK File Extension Unreal Engine 3 Package
206 UPK0 File Extension Metro 2033 Game
207 UPK1 File Extension Metro 2033 Game Data Format
208 UPKG File Extension Unreal Engine Package Flag Format
209 UPL File Extension StarMoney Agent Download
210 UPLUGIN File Extension Unreal Tournament Plugin Format
211 UPM File Extension PenMail
212 UPO File Extension DBASE Compiled Update Data
213 UPOI File Extension IGO Points Of Interest Format
214 UPP File Extension Ghostscript Uniprint Unified Printer Parameter
215 UPR File Extension FileMaker User Spelling Dictionary
216 UPROJECT File Extension Unreal Tournament Game Data Format
217 UPS File Extension Microsoft Works
218 UPX File Extension Ultimate Packer For EXecutables Format
219 UPZ File Extension StarMoney Agent Download
220 UQM File Extension The Ur-Quan Masters Game Data Format
221 URC File Extension Unicenter Remote Control
222 URD File Extension Ultra Recall Database
223 URD-JOURNAL File Extension Ultra Recall Journal Update
224 URF File Extension AppFace Skin
225 URL File Extension Internet Shortcut
226 URLS File Extension GetRight Internet Shortcuts List
227 URL_ File Extension Internet Shortcut - URL - Uniform Resource Locator
228 URN File Extension H3DAPI Uniform Resource Name Data Format
229 URP File Extension Universal Report
230 URQ File Extension Review QuickChart Chart
231 URR File Extension Uniface Signatures Format
232 URS File Extension ControlDraw User Requirement Specifier
233 URT File Extension Utah Raster Toolkit Format
234 US File Extension English Language Translation
235 US? File Extension Microsoft Word Font
236 USA File Extension Microsoft Office Headers Format
237 USB File Extension SiSoftware Sandra
238 USBLOG File Extension Usb Sniffer Log Format
239 USC File Extension USC Module Definition
240 USDX File Extension Tom Clancys Rainbow Six: Vegas Game Data Format
241 USDZ File Extension USDZ Augmented Reality Format Format Format
242 USECASEDIAGRAM File Extension Microsoft Visual Studio Use Case Diagram
243 USEQ File Extension USeq Genome Data Format
244 USER File Extension Visual Studio Project User Options Format
245 USERKIT File Extension DrumCore Audio Format
246 USERPROFILE File Extension Norton Antivirus User Profile Format
247 USERSETTINGS File Extension User Settings Format
248 USERTILE-MS File Extension Windows 8 User Tile Format
249 USF File Extension Nintendo 64 Music Format
250 USFLIB File Extension Nintendo 64 Song Library
251 USG File Extension PC-Doctor For Windows
252 USH File Extension Creston SIMPL Windows
253 USI File Extension UsiXML UI Description
254 USL File Extension ProWORX Nxt USL Loadable
255 USM File Extension USM Game Video Format
256 USP File Extension PageMaker Printer Font
257 USR File Extension FileMaker Pro Database Format
258 USS File Extension WinUAE Saved State
259 UST File Extension WiFi SiStr Exported User Theme Format
260 USTAR File Extension Uniform Standard Tape Archive Format Format
261 USV File Extension LG Xenon Mobile Phone Contact List Format
262 USX File Extension Unreal Static Meshes
263 USZ File Extension Stardock WindowBlinds SkinStudio Data Format
264 UT2 File Extension Unreal Tournament Map
265 UT2LINK File Extension Unreal Tournament 2004 Game Data Format
266 UT2MOD File Extension Unreal Tournament 2003/2004 Module Format
267 UT3 File Extension Unreal Tournament 3 Map Format
268 UT4MOD File Extension Unreal Tournament 2004 Module
269 UT8 File Extension Ghost Master Language Format
270 UTB File Extension µTBackup Backup
271 UTC File Extension Bioware Creature Format
272 UTD File Extension BioWare Aurora Game Engine Door
273 UTE File Extension BioWare Aurora Game Engine Encounter
274 UTF8 File Extension Unicode UTF8-Encoded Text Document
275 UTI File Extension Spybot - Search & Destroy Includes
276 UTL File Extension QuickBooks Data
277 UTM File Extension BioWare Aurora Game Engine Store
278 UTP File Extension BioWare Aurora Game Engine Placeable Object
279 UTPART File Extension µTorrent Unfinished Download
280 UTS File Extension Spybot - Search & Destroy Include
281 UTT File Extension BioWare Aurora Engine Trigger
282 UTW File Extension Unity Whirld Format
283 UTX File Extension Unreal Texture Package
284 UTXT File Extension Unicode Text Format
285 UTZ File Extension UIQ Theme Package
286 UU File Extension Uuencoded Format
287 UUD File Extension UUDecoded Format
288 UUE File Extension Uuencoded Format
289 UUM File Extension Minuum Keyboard Backup Format
290 UUS File Extension Ultra Utility Skin
291 UV2 File Extension µVision Project
292 UVCAB File Extension UVScreenCamera Films
293 UVF File Extension Uncertain Value Format
294 UVKBK File Extension Ultra Virus Killer Backup Information Format
295 UVKEY File Extension Ultra Virus Killer License Format
296 UVKSR File Extension Ultra Virus Killer System Repair Settings Format
297 UVN File Extension Yamaha Tyros Audio Format
298 UVNTS File Extension UVScreenCamera Notes
299 UVOPT File Extension µVision Project Options Format
300 UVOPTX File Extension µVision Configuration Format
301 UVPRJX File Extension µVision Project Format
302 UVPROJ File Extension µVision4 Project
303 UVPROJX File Extension µVision Project Format
304 UVR File Extension UVR Mesh
305 UVS File Extension UVScreenCamera Segments
306 UVSEG File Extension UVScreenCamera Segments
307 UVU File Extension Movie Maker Video Data Format
308 UVW File Extension 3D Studio MAX UVW Coordinates
309 UVX File Extension Unreal Tournament 2003 Saved Game
310 UW File Extension Unsigned Word Audio Format
311 UWF File Extension UltraTracker Wave Format
312 UWL File Extension User Word List Format
313 UXDC File Extension Microsoft Excel Data Retrieval Service Connection
314 UXF File Extension UMLet UML EXchange Format
315 UXX File Extension Unreal Tournament Cache
316 UXY File Extension Barudan Embroidery Outline
317 UYVY File Extension YUV 16-bit Image Format
318 UZ2 File Extension Unreal Tournament Compressed
319 UZE File Extension UltimateZip Compressed Archive
320 UZED File Extension Family Tree Builder Compressed Unicode GEDCOM Data Format
321 UZIP File Extension FreeBSD Compressed Disk Image
322 UZY File Extension Backdoor.Sokacaps
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File Extension of the day
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HTML

Hypertext Markup Language Format

HTML files are used by web browsers for rendering WWW pages. What kind of data can HTML files store? HTML files store information in plain text f...

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