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

Backup Format

A BKUP file, which full name is Backup File, are used by various programs and scripts for creating and storing backup copies . It is a general form...

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