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