Common File Extensions

File Extensions U-Z

U Extensions    Go to V      Go to W     Go to X     Go to Y     Go to Z

U

Subsampled Raw YUV Bitmap

U8

Raw Unsigned 8-Bit Audio Data

U96

EasyZip Temporary File

UAP

User Agent Wireless Telephony Profile

UB

Raw Unsigned Byte

UBB

BASIC UBAS File

UBD

BASIC UBAS File

UC2

Compressed File

UCN

Compressed Archive

UCS

Universal Classification Standard Database File

UDB

Works File and Windows 2000 Uniqueness Database File

UDF

Excel User Defined Function and Windows NT Uniqueness Database File

UDL

Data Link

UDW

Raw Unsigned Double-Word

UE2

Encrypted Archive

UEF

Unified Emulator Format

UFA

UFA Compressed File Archive

UHA

UHARC Compressed Archive

UHS

Universal Hint System File

UI

User Interface

UKS

Works File

ULS

Internet Location Service

UMB

MemMaker Backup Archive

UMI

CDDB Database and PC Music Library in PlayCenter

UND

A86 Assembler Undefined Symbols

UNF

Btreive Unformatted File

UNQ

Fax View File

UNT

AutoCAD Unit Definition

UNX

Text File

UPD

dBASE Update File and Universal Print Driver

UPF

Universal Picture Format Bitmap

UPG

Firmware Upgrade File

UPO

dBASE Compiled Update File

UPR

FileMaker User Spelling Dictionary

UPS

Works File

UPT

Connectivity Memory Model Update Timing Input File

URI

List of Uniform Resource Identifiers

URIS

List of Uniform Resource Identifiers

URL

Internet Location

URLS

GetRight URL List

USA

Office Header File

USL

LaserJet Landscape Font

USP

LaserJet Portrait Font and PageMaker Printer Font

USR

User Database

USTAR

POSIX tar Compressed Archive

UTL

QuickBooks Data

UU

Compressed Archive File

UUD

Uudecoded

UUE

Uuencoded

UW

Raw Unsigned Word

UWL

WordPerfect User Word List (Corel)

UX

UNIX File

UZE

Ultimate Zip Compresion Agent

V Extensions     Go to U     Go to V     Go to X     Go to Y     Go to Z

V

Subsampled Raw YUV Bitmap

V$$

Cheyenne/Inoculan AntiVirus Temporary File

VAF

Visual Studio Common Tools Vanalyzer Project Item

VAL

dBASE Values and Paradox Validity Checks

VAM

Visual Studio Common Tools Vanalyzer Project Item

VAP

Annotated Speech Audio

VAR

Commonly used extension for Variables File

VB

VBScript File or Any VisualBasic Source

VBA

VBase File

VBB

VirtualBoss Backup File (VirtualBoss Development Co.)

VBD

ActiveX

VBD

Visual Basic 5 Active Document

VBF

Outlook Free/Busy File

VBG

Visual Basic Group Project

VBK

VisualCADD Backup File

VBL

User Control Licensing File

VBN

Norton Corporate Anti-Virus Quarantined File

VBO

Access Package Deployment References

VBP

Visual Basic Ver. 4.0-6.0 Project

VBPROJ

Visual Studio .NET Visual Basic Project

VBPROJ.USER

Visual Studio .NET File

VBR

Remote Automation Registration Files

VBS

MPEG Movie Clip and VBScript Script File

VBS

VBScript Script File

VBW

Visual Basic Project Workplace

VBX

Visual Basic Extension

VBZ

Wizard Launch File

VCA

Visual Clip Art

VCD

VisualCADD Drawing File

VCL

Borland Visual Component Library

VCM

Visual Component File

VCP

Visual C++ Wordspace Information

VCS

vCalendar File

VCT

FoxPro Class Library

VCW

Visual C++ Workbench Information File

VCWIN32

Visual C Make File

VCX

FoxPro Class Library or Spreadsheet File

VDA

CAD File

VDB

Norton AntiVirus Update File

VDB

PC-cillin Quarantined File

VDF

Commonly used extension for Anti-virus Definition Files

VDM

VDM Play

VDP

Visual Studio .NET Setup and Deployment Project

VDPROJ

Visual Studio .NET Setup and Deployment Project

VDX

Vector Graphic File and Virtual Device Driver

VEM

Voice E-mail File

VER

TurboTax Installed Version Record

VEW

Lotus Approach or Novel Groupwise View File

VFA

FontLab Database File

VFB

Font Description File

VFD

Virtual Floppy Drive Image

VFF

DESR VFF Greyscale Bitmap Image

VFM

Ventura Publisher Font Metrics File

VFW

Video for Windows

VGA

VGA Screen Driver

VGR

Ventura Graphic

VHD

Virtual PC File

VHDL

VHDL Design File

VH~

V-help file

VID

Media Player Video

VIR

Virus Infected File

VKL

Virtual Edit

VL

Visual Labels File

VLB

Corel Ventura Library

VLM

Novell Virtual Loadable Module

VMB

Quicken 2002 Order File

VMC

Virtual Memory Configuration

VMDC

VMware Virtual Disk File

VMDK

VMware Virtual Disk File

VME

Virtual Matrix Encryption File

VMF

FaxWorks Audio File

VNC

Virtual Network Computing

VOC

Creative Labs Sound and other sound files

VOR

OpenOffice.org Template

VP

Ventura Publisher File

VPF

Vector Product Format

VPS

Visual Pinball Script

VPT

Visual Pinball Table

VRB

Dictionary File

VRF

Oracle 7 Configuration File

VRM

Quattro Pro Overlay File

VRML

Virtual Reality Modeling Language

VRO

DVD Recorder File

VRS

WordPerfect Graphics Driver

VRT

Virtual World

VRW

VREAMScript Command Language ActiveX 3D

VS

Vivid Include File

VS2

Roland-Bass Transfer File

VSB

VSampler Soundbank

VSC

VirusScan Configuration

VSD

Visio Drawing

VSH

VirusShield Configuration File

VSK

Microsoft Development Common IDE File

VSL

Visio Library

VSM

VisSim Simulation Model

VSR

Access Branded Report Format

VSS

Visio Stencil

VST

Visio Template

VSW

Visio Workspace File

VSX

XML for Visio Stencil File

VTM

Cold Fusion Studio Query

VTS

VTune Performance Monitor Project File (Intel)

VTX

XML for Visio Template File

VUE

dBASE View File and Schedule+ Configuration File

VWR

PC Tools File Viewer

VWT

MGI VideoWave Video Wave Thumbnail

VXD

Virtual Device Driver

VXML

VoiceXML Source File

VXP

VTune Performance Monitor Pack and Go File (Intel)

VXS

Voice Xpress User Profile

VXX

IOsubsys Driver File

W Extensions  Go to U      Go to V     Go to X     Go to Y     Go to Z

W$

Modem Bitware Fax Disk3 File

W20

Windows 2000 Related File

W31

Windows 3.1 Startup File

W32

Win32 File

W40

Win95 Backup File

W44

dBASE Temporary File

W51

WordPerfect Ver. 5.1 Document

W60

WordPerfect Ver. 6.0 Document

W61

WordPerfect Ver. 6.1 Document

W95

Windows95-related Data File

W98

Windows98-related Data File

WAB

Outlook Address Book

WAD

Programming Library

WAL

Winamp3 Skin Format

WAP

WAVPAC Filtered .WAV File Output

WAR

Java Web Archive

WAS

Procomm Plus Script Source Code File

WAT

IBM Voice Type Language Map File

WAV

Waveform Audio

WAVE

Waveform Audio

WAX

Windows Media Audio Redirector

WA_

Doko Compressed Install File

WA~

Outlook Address Book Temporary File

WB

Dictionary Project Data File

WB1

QuattroPro for Windows

WB2

QuattroPro for Windows

WB3

QuattroPro for Windows

WBD

Works Database File

WBF

Windows Batch File

WBK

Word Backup and WordPerfect Workbook

WBMP

Wireless Bitmap File Format

WCD

WordPerfect Macro Token List

WCH

Corel Office PerfectScript

WCM

Corel Presentations and WordPerfect Macro

WCP

WordPerfect Product Information

WDB

Works Database

WDL

Windows XP Watchdog Log File

WDM

Visual Interdev98 Templates Web Project Items File

WEB

Corel Xara Web Document

WEBPNP

Support for Internet Printing

WED

Windows Editor File

WFM

dBASE Form Designer Form Object

WFN

Corel Symbols and Fonts

WFO

Delphi Runimage Delphi Demos Doc Formdll DB File

WFP

Turtle Beach WaveFront Program

WFS

Windows Installation Script

WFT

WaveFront 3D Object

WFW

Pci Smc File

WFX

WinFax Data File

WG1

Lotus 1-2-3 Worksheet

WG2

Lotus 1-2-3 Worksheet

WGL

Wingate License File

WHT

NetMeeting Old Whiteboard Document

WI

Wavelet Image and All Corel Products Compressed Image

WIF

Wavelet Image File and Window Intermediate File Template

WIL

WinImage File

WIN

FoxPro/dBASE Window File and Windows Backup File

WIP

Windows Installer Project

WIZ

Word Wizard File

WK!

Lotus Spreadsheet File

WK1

1-2-3 Spreadsheet File

WK3

Lotus Spreadsheet File

WK4

Lotus Spreadsheet File

WKB

Workbook and WordPerfect and WordPerfect for Windows Document

WKQ

Quattro Spreadsheet

WKS

Lotus or Works for Windows Spreadsheet File

WKZ

Compressed Spreadsheet

WLD

Acrobat Distiller

WLG

Dr. Watson Log

WLL

Word Add-in

WLZ

WinImage File

WM

Windows Media A/V File

WM$

BASIC VB

WM2D

Working Model Motion Simulation

WM5

Dyndlg2 File

WMA

Windows Media Audio File

WMC

WordPerfect Macro

WMD

Windows Media Download File

WMDB

Media Player Ver. 9+ Library

WME

Windows Media Encoder Session Profile

WMF

Windows Metafile

WML

Wireless Markup Language File

WMP

Windows Media Player File

WMR

Windows Media Recorder Media Stream

WMS

Windows Media Skin File

WMV

Windows Media File

WMX

Audio Playlist

WMZ

Windows Media Compressed Skin File

WNF

Outline Font

WOA

Windows Swap File

WOC

Windows OrgChart Organization

WP

WordPerfect Document

WP4

WordPerfect Ver. 4 Document

WP5

WordPerfect Ver. 5.0/5.1/5.2 Document

WP6

WordPerfect Ver. 6.0/6.1 Document

WPA

ACT! Word Processor Document

WPB

openCanvas Image

WPC

Word and Write File Converter

WPD

Windows Printer Driver and ACT! Word Processor Document

WPF

WordPerfect Text File

WPG

WordPerfect/Drawperfect Graphic

WPJ

Watcom C/C++ Project

WPK

Keyboard Information File and WordPerfect Macro

WPL

PFS WinWorks Spreadsheet

WPM

WordPerfect Macro

WPP

WordPerfect Color Palette

WPS

Works Text Document

WPT

WordPerfect Template

WPW

PerfectWorks Document and WordPerfect Document

WPX

Printer Information File

WQ

Spreadsheet

WQ!

Compressed Quattro Pro Spreadsheet

WQ1

Quattro Pro Spreadsheet

WQ2

Quattro Pro Spreadsheet

WR!

Compressed Lotus Spreadsheet

WRI

Write Document

WRK

Spreadsheet File

WRML

Plain Text VRML File

WRS

WordPerfect Windows Printer Driver

WS

Windows Script File and WordStar Ver. 5.0/6.0 Document

WS1

WordStar for Windows Ver. 1 Document

WS2

WordStar for Windows Ver. 2 Document

WS3

WordStar for Windows Ver. 3 Document

WS4

WordStar for Windows Ver. 4 Document

WS4D

Web Server 4D Custom Web Page

WS5

WordStar for Windows Ver. 5 Document

WS6

WordStar for Windows Ver. 6 Document

WS7

WordStar for Windows Ver. 7 Document

WSA

Animation Shop Workspace

WSC

Windows Script Component

WSD

WordStar Ver. 2000 Document

WSDL

Web Services Description Language

WSF

Windows Script File

WSH

Windows Script Host Settings File

WSI

Wise Windows Installer Project

WSP

Paint Shop Pro Workspace and Visual C++, FORTRAN Workspace Info

WST

WordStar Text File

WSX

WinMX Protocol List

WSZ

WinAmp Skin Zip File

WS_

Visc15 Adressen Setup File

WT

WildTangent Branded .X 3D Model

WT2

WordExpress Document Template

WTA

WinTune DLL

WTC

Watertec Encrypted Database (Watertite Limited)

WTD

WinTune Document

WTH

WildTangent Says Hello

WTK

WinTalk URL Address

WTR

Winter Windows Scheduler File

WTS

WION Technology Setup (WION Technology)

WTX

ASCII Text

WVE

Component of a DIVX Movie Conversion

WVL

Wavelet Compressed Bitmap

WVX

Windows Media Redirector

WVZ

Brazilian Music Format

WWB

WordPerfect Button Bar

WWD

Works Wizard File

WWF

WWF Rant Pakk Sound File

WWK

WordPerfect Keyboard Layout

WWL

Word Add-in File

WWP

Works Wizard File

WWS

Works Wizard File

WZ

WinAmp Skin

WZS

MS Word Wizard

X Extensions     Go to U      Go to V     Go to W     Go to Y     Go to Z

X

Direct3D Object

X01

Paradox Secondary Index

X02

Paradox Secondary Index

X03

Paradox Secondary Index

X04

Paradox Secondary Index

X05

Paradox Secondary Index

X06

Paradox Secondary Index

X07

Paradox Secondary Index

X08

Paradox Secondary Index

X09

Paradox Secondary Index

X10

X Window Dump Bitmap

X11

X Windows System Window Dump Bitmap

X13

Hooligans

X16

Macromedia Program Extension

X32

Macromedia Program Extension

X3D

Xara 3D Project File

X3F

Sigma Camera RAW Picture File (Sigma)

X4M

TeamLinks Mail File Data

X5

Rockwell Software Logix 5 File

X64

C64 Emulator Disk Image

XA

Extended Architecture File

XAB

Mail Address Book

XAD

eXotic AdLib Format

XAR

Corel Xara Drawing

XBF

Database File

XBL

Extensible Binding Language

XBM

X Bitmap Graphic

XB~

IC File

XC

X Server Constant Screen Image Bitmap

XCF

GIMP Image File

XDB

Norton AntiVirus Update File

XDF

Extended Disk Format Image

XDK

XML Development Kit Project

XDP

UNIX File

XDS

OpenGL Performer Script

XEX

KERMIT Control File

XFD

XML Form in XFDL Format

XFDF

Acrobat Forms Document

XFM

OmniForm XML Format

XFN

Ventura Printer Font

XFR

Ventura Publisher Bitmap Editor Font File

XFX

Fax File

XG0

Database Index; Paradox Secondary Index

XG1

Database Index

XG1

Techno Toys XG-909 MIDI Drum Machine File

XG2

Database Index

XG3

Database Index

XG4

Database Index

XG5

Database Index

XGO

Paradox Database-related File

XHDML

XML Version of HDML File

XHT

Extensible HyperText Markup Language File

XHTM

Extensible HyperText Markup Language File

XHTML

Extensible HyperText Markup Language File

XHTML

Libxml HTML File

XIF

Xerox Image File

XJS

WinExplorer Java Script

XJT

Compressed GIMP Image with Properties of GIMP

XJTGZ

Compressed GIMP Image with Properties of GIMP

XJTZ2

Compressed GIMP Image with Properties of GIMP

XL

Excel Spreadsheet

XLA

Excel Add-in

XLB

Excel Worksheet

XLC

Excel Chart

XLD

Excel Dialog

XLK

Excel Backup

XLL

Excel Add-in

XLM

Excel Macro

XLR

Works

XLS

Excel or Works Worksheet

XLSHTML

Excel HTML Document

XLSMHTML

Excel Archived HTML Document

XLT

Excel Template

XLTHTML

Excel HTML Template

XLV

Excel VBA

XLW

Excel Workspace

XLXML

Excel XML Worksheet

XMI

Winamp Extended MIDI File

XML

Extensible Markup Language File

XMLBACKUP

EnABLE Backup File

XMP

Graphic File

XMS

AutoCAD External Message

XMX

AutoCAD External Message Compiled File

XNK

Exchange Shortcut

XNML

NML Language Language Extension

XP

System Utility File

XPL

Music File

XQT

SuperCalc Macro Sheet

XRF

Cross Reference

XSC

XML Schema

XSD

XML Schema

XSL

XML Stylesheet

XSLT

XSL Transform File

XSU

Fortran Libf77 File

XTD

XML Type Definition

XTP

XTree Data File

XUL

XML User Interface Language

XVP

Xview Package File

XVS

Xview Scene Package File

XWD

X Windows Dump

XWP

Xerox Writer Text File

XWS

Xara Webstyle File

XX

Xxencoded File

XXE

Xxencoded File

XXL

Archive

XXT

Extension DLL

Y Extensions     Go to U      Go to V     Go to W     Go to X     Go to Z

Y

Desktop Color Separation Specification Yellow Layer

Y01

Paradox Secondary Index

Y02

Paradox Secondary Index

Y03

Paradox Secondary Index

Y04

Paradox Secondary Index

Y05

Paradox Secondary Index

Y06

Paradox Secondary Index

Y07

Paradox Secondary Index

Y08

Paradox Secondary Index

Y09

Paradox Secondary Index

YBK

Encarta Yearbook

YBS

YBS Compressed Archive

YC

YAC Compressed Archive

YEL

Yellow Color Separation

YENC

yEnc Encoded File

YG0

Paradox Secondary Index

YG1

Paradox Secondary Index

YG2

Paradox Secondary Index

YG3

Paradox Secondary Index

YG4

Paradox Secondary Index

YGM

YahooGroupManager Ver. 1.x Database

YGM2

YahooGroupManager Ver. 2.x Database

YGO

Paradox Database-related File

YIF

Graphic

YMG

Yahoo! Messenger File

YNC

yEnc Encoded File

YPL

Yahoo! Player Playlist

YPS

Yahoo! Messenger File

YPT

Cryptic File

YSP

Bitmap Graphic

YUV

Color Space Pixel Format

YUV3

CCIR 601 2:1:1 Bitmap

YYC

Wave Sapphire Distribution File

YZ

YAC Compressed Archive File

YZ1

DeepFreezer Compressed Archive

Z Extensions     Go to U     Go to V      Go to W     Go to X     Go to Y    

Z

UNIX Compressed Archive File

Z0

ZoneAlarm Mailsafe Renamed .JS File

Z01

WinZip Split Compressed Archive

Z02

WinZip Split Compressed Archive

Z03

WinZip Split Compressed Archive

Z04

WinZip Split Compressed Archive

Z05

WinZip Split Compressed Archive

Z1

ZoneAlarm File

Z2

ZoneAlarm Mailsafe

Z3

ZoneAlarm Mailsafe

Z3D

Zmodeler Model File

Z4

ZoneAlarm Mailsafe

Z5

ZoneAlarm Mailsafe

Z6

ZoneAlarm Mailsafe

Z7

ZoneAlarm Mailsafe

Z8

ZoneAlarm Mailsafe

Z9

ZoneAlarm Mailsafe

ZABW

AbiWord Compressed Document

ZAP

FileWrangler Compressed File

ZBF

Z-Buffer Radiance File

ZBX

Disk Volume Identification

ZC

Zipkey Configuration File

ZDB

EPSQ Security Officer Submission

ZFD

ABC Programming Language Zeroadic Function

ZFS

C++ Assembly Source

ZH

Communicator Java Classes File

ZH_TW

Communicator Java Classes File

ZIP

Compressed Archive File

ZKA

Quicken6 File

ZL

Easy CD Creator Drag to Disk File

ZMK

Z-Up Maker Project File

ZMS

ECLIPSE Server Macro Script File

ZMV

ZSNES Movie File

ZOO

ZOO Compressed Archive File

ZPD

ABC Programming Language Zeroadic Function

ZPJ

ECLIPSE Server Project File

ZPK

Z-Firm Package

ZPL

ZIG File

ZPW

ZippedWeb Archive

ZS

ECLIPSE Server Script File

ZTE

E-Tabs Reader File

ZTL

ZBrush ZTool Native File

ZTM

ZTreeWin Macro

ZW

Chinese Text

ZWL

WinLabel Ver. 3.0 Label

ZZ

ZZip Compressed Archive

ZZE

ASCII Encoded File Archive