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 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
Top File Extensions
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File Extension of the day
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MBOX

E-mail Mailbox Format

File with .MBOX extension contains an email message box file which stores list of messages for given recipient in sequential order. MBOX is a text ...