aiff sound file Windows media Player

.!!! Netants temporary file Netants

.ani animated mouse

.arj compression File ARJ

.avi movie file Windows media Player

.awd fax document

.bak backup file

.bas Basic language Basic

.bat DOS batch file

.bin MAC binary code file Stuffit Expander

.bmp Image file drawing/viewing software

< p>.cab compressed file Winzip

.cdr Corel drawing file Corel Draw

.chk The file created after Scandisk inspection can be deleted

.com DOS command File self-execution

.cpx Cryptapix encrypted picture file Cryptapix

.cur static mouse

.dbf database file dBase, FoxBase, Access

.dll application extension

.doc document file Word

.dwg AutoCAD file AutoCAD

.eps Illustrator drawing file Adobe Illustrator

.exe executable file self-execution

.fon font file

.gb GB code file NJX word processing

.get Getright temporary file

.gif 256-color image file drawing/viewing software

.gz Compressed file Winzip for UNIX or LINUX

.hqx Macintosh file Stuffit Expander

.htm Web Browser

.html Web Browser

.ico Icon

.ini Configuration Settings Notebook or WordPad

.ipx IPX demo file browser installed with IPX plug-in

.jiff image file drawing/viewing software

.jpeg compressed image file drawing/viewing software Software

.jpg Compressed image file drawing/viewing software

.js javascript

.lnk Corresponding program for shortcut connection file connection files< /p>

.m3u Winamp playlist Winamp

.mid sound file Windows media Player

.vod Quicktime image file Quick Time

.mp3 compression Music file Winamp

.mpeg Image Windows media Player

.mpg Image Windows media Player

.njx NJX document NJX word processing

< p>.pcb Electronic circuit diagram design file Protel PCB

.pdf Portable document format, containing pictures, text, etc. Adobe Acrobat, Adobe Acrobat Reader

.pm5 PageMaker 5 typesetting file Page Maker

.ppt Power Point fileMicrosoft Power Point

.ps GhostScript

.psd Photosh

op file Adobe Photoshop

.pub Publisher typesetting file Microsoft Publisher

.qt Quicktime image file Quick Time

.ra Real Audio sound file Real Audio

.ram Real Audio image file Real Audio

.rar compressed file Winrar

.rsf Richwin font file

.sch electronic schematic design file Protel Schematic

.scr Screen saver file

.sea Macintosh startup file

.sit Compressed Stuffit Expander

.swf Flash animation file browsing Install Macromedia flash plug-in

.sys system file

.tar UNIX compressed file Winzip

.tif high-quality image file drawing/viewing software< /p>

.tiff high-quality image file drawing/viewing software

.tmp temporary file can be deleted

.ttf font file

.txt plain text file notebook or all word processing systems

.vbs Visual Basic programming file Microsoft Viasual Basic

.viv VIVO image file browser with VIVO plug-in

.vqf Compressed sound file Yamaha SoundVQ Player

.wav Uncompressed sound file Windows media Player

.wk1 Lotus 123 calculation software file Lotus 123, Excel

.wq1 Q-Pro trial calculation software file Q-Pro, Excel

.wri Write text document Word

.xls Excel trial calculation software file Microsoft Excel

.Z UNIX compressed file Winzip

.zip compressed file Winzip

Image file:

bmp Windows or OS/2 Bitmap

clp Windows Clipboard

cup Dr. Halo

dib Windows or OS/2 DIB

emf Windows Enhanced Meta file

eps Encapsulated PostScript

fpx Flash Pix

gif Compuserver

iff Amiga

img GEM Paint

jpg JPEG - JFIF Compliant

lbm Deluxe Paint

mac Mac Paint

msp Macrosoft Paint

pbm Potable Bitmap

pct Macintosh Pict

pcx Zsoft Paintbrush

pic PC Paint

png Portable Network Graphics

ppm Portable Pixelmap

psd Photoshop

psp Paint Shop Pro Image

ras S

un Raster Image

raw Eaw File format

rle Windows or CompuServer RLE

sct SciTex Continuous Tone

tga Truevision Targa

tif Tagged Image file format

wmf Windows Meta File

wpg WordPefect Bitmap

.ACA

Microsoft proxy use Role document

.ace

A compressed format document with a compression rate even higher than WinRAR. It can be opened using tools such as WINACE

.acf

System management configuration

.acm

Audio compression management driver, which provides encoding and decoding functions of various sound formats for Windows systems

.acs

Same as .acm, but saved locally

.ADE

Microsoft Access Project Extension

.ADN

Microsoft Access blank project template

.ADP

Microsoft Access project

.aif

Sound file, supports compression, can Use Windows Media Player and QuickTime Player to play

.AIF

audio files, use Windows Media Player to play

.AIFC

audio files , use Windows Media Player to play

.AIFF

Audio files, use Windows Media Player to play

.ani

Animated Cursor file extension name, such as an animated hourglass.

.ans

ASCII character graphic animation file

.ap

Application file, existing in Dbase, Foxbase, Foxpro system software Environment

.app

Application files exist in the environment of Dbase, Foxbase, and Foxpro system software

.arc

An earlier compressed file, you can use WinZip, WinRAR, PKARC and other software to open

.arj

compressed files. You can use WinZip, WinRAR, PKARC and other software to open

.art

It is the most commonly used image format in America Online. If you use Windows 2000, you must install a patch to view it

.asc

ASCII text files that can be processed by all types of word processing components.

Some systems may also use these file extensions

to indicate that the file contains image information

.asf

Data files or Lotus Screen file under 1-2-3

.asf

The video stream supported by Microsoft Media Player can be played using Windows Media Player

.ash

Assembly language include files, similar to .h files in C/C++

.asm

Assembly language source program files, generally compiled using MASM or Turbo ASM

.asp

Microsoft video streaming files can be opened using Windows Media Player

.asp

Active Server Page proposed by Microsoft , is a server-side script, often used in large-scale website development, supporting database connections, similar to PHP.

It can be written using Visual InterDev, which is currently very popular

.asx

A shortcut to Windows Media media files

. au

is a commonly used sound file format on the Internet. It is mostly created by Sun workstations and can be played using the software Waveform Hold and Modify.

LiveAudio in Netscape Navigator can also play .au files

.avi

A Windows multimedia file format using the Microsoft RIFF specification for storing sound and moving pictures

.awd

Fax browsing document, used for fax display

.awp

Fax keyword browser

.aws

Fax Signature Viewer

.adm

ADM_auto file

.b64

Base64 encoded files can be encoded using WinZip

.bak

Backup files are generally auxiliary files created automatically or through commands, which contain a certain file The latest version and has the same file name as the

file

.bas

Basic language source program file, which can be compiled into an executable file, The current Basic development system uses Visual Basic

.bat

batch files. In MS-DOS, the .bat file is an executable file and consists of a series of commands, including Contains calls to other programs

.bbs

Electronic bulletin board system article information file

.bfc

Windows briefcase file

.bin

Binary file, its purpose depends on the system or application

.bmp

Bitmap bitmap file, which is Paint's own format developed by Microsoft can be supported by a variety of Windows and Windows NT platforms and many applications

programs. It supports 32-bit colors and is a resource file format used to create icons for the Windows interface.

.bw

It is a black and white graphics file format that contains various pixel information

.c

C language source program file , compiled under the C language compiler using

.cab

The compressed package format developed by Microsoft, commonly used in software installation programs, uses the utility program that comes with Windows, Extract.exe You can

decompress it, WinZip, WinRAR, etc. all support this format

.cad

AUTOCAD graphics file

.cal

Calendar files in Windows

.cbx

Tag files exist in the environment of Dbase, Foxbase, and Foxpro series software

.cda

CD audio track saved on AudioCD

.cdf

Internet Explorer channel file

.cdr

A graphics file format in CorelDraw, which is a graphics image file format that can be used in all CorelDraw applications

.cdx

Index file, exists In Dbase, Foxbase, Foxpro system software environment

.cfg

Configuration file, a file used by the system or application software to configure its own functions and features

.chm

Compiled HTML file, often used to create help files and electronic documents

.clp

File format in the clipboard under Windows

p>

.cmd

The batch file used for Windows NT/2000 actually has the same function as the BAT file, just to be different from the BAT under DOS/Windows 9x

Difference

.cmf

Sound card standard music files, FM synthesizers, etc. can be played back

.cnf

NetMeetting conference connection file

.cnt

Online help file directory index file, usually saved together with the .hlp file of the same name

.col

Provided by Autodesk A palette file format created by programs such as Animator and Autodesk Animator Por, which stores the RGB values ??of various items in the palette

.com

DOS executable command file, generally less than 64KB

.cpd

Fax cover file

.cpe

Fax cover file File

.cpi

International code page, used to provide code page information for the corresponding country

.cpl

Control panel extension file , Windows operating system uses

.cpp

C++ language source program, a very powerful language, with corresponding development systems on various platforms

. crd

Card file in Windows

.crd

Card file in Windows

.crt

Certificate authentication file used for security purposes

.csv

Comma-delimited text file, generally used for data exchange between different applications

.cur

The cursor resource file format under Windows can be edited with cursor editing software

.css

Text/css file

. dat

Data file, used in the application program

.dat

The image and sound file in the VCD can be called by the VCD player software, or through the VCD Machine playback

.dbf

Database file, Foxbase, Dbase, Visual FoxPro,

Database files generated by other database processing systems

.dcx

Fax browsing document files

.ddi

Image files, DUP , HD, IMG and other tools can expand

.dev

device driver

.dib

device-independent bitmap file, which It is a file format whose purpose is to ensure that bitmap graphics created with a certain application can be loaded or displayed the same by other applications

.dir

Directory files

.dll

Windows dynamic link libraries are almost everywhere, but sometimes conflicts between different versions of DLLs can cause various problems< /p>

.doc

It is a document created by Word, the word processing software in Microsoft Office, which currently has the highest market share

.dos

Some system files of MS-DOS reserved by Windows

.dot

The document template file of Microsoft Word can simplify the creation of some commonly used format documents through templates, and can be built-in Embed VBA program

to realize certain automation functions

.drv

Device driver file, used in various systems

.dwg

The drawing file of AutoCAD is also a format supported by many drawing software and is often used to share data

.dxb

A file created by AutoCAD Medium graphics file format

.dxf

Drawings exchange format, a computer-aided design file format originally developed for use with AutoCAD to facilitate the use of graphics files

Transfer between applications, it stores graphics in ASCII mode, and is very accurate in expressing the size of graphics

.der

Certificate file

.dic

Txt file

.emf

The Windows 32-bit extended metafile format developed by Microsoft. Its overall design goal is to make up for the The deficiencies of the *.wmf file format used in Microsoft Windows

3.1 (Win16) make metafiles easier to use

.eps

Use PostScript language A graphics file format described, which is saved as a text file and can print high-quality graphics on a PostScript graphics printer. It can represent up to 32-bit graphics.

.err

Compilation error file exists in Dbase, Foxbase, Foxpro series software environments

.exe

executable file, although the suffix name is the same, But with different formats and versions

.exp

The display card driver used by 3DS

.exc

Txt file

p>

.fky

key macro file, exists in the environment of Dbase, Foxbase, Foxpro series software

.flc

Autodesk Animator and Animatorpro Animation file, supports 256 colors, the largest image resolution is 64000*64000, supports compression,

Widely used in animation sequences in animation graphics, computer-aided design and computer game applications

.fnd

Saved search results

.fon

Bitmap font file

.for

Fortran language program

.fot

Shortcut keys pointing to fonts

.fp

Configuration file, existing in Dbase, In the environment of Foxbase, Foxpro series software

.fpt

note field file, save

It exists in the environment of Dbase, Foxbase and Foxpro series software

.frt

The report file exists in the environment of Dbase, Foxbase and Foxpro series software

. frx

The report file exists in the environment of Dbase, Foxbase, and Foxpro series software

.fxp

The compiled program exists in Dbase, Foxbase, In the environment of Foxpro series software

.h

C language source program header file

.hlp

Windows application help file< /p>

.hqx

Macintosh uses BinHex to encode binary files into 7-bit text files. Most Macintosh files appear as .hqx (.bin extremely

Use less), in Macintosh, you can use StuffIt Expander to decode .hqx, in Windows, you can use BinHex 13 to decode

.ht

HyperTerminal

.htm

Saves text files in Hypertext Description Language, used to describe various web pages, and can be opened using various browsers

.html

Same as .htm file

.icm

Image color description file

.ico

icon file in Windows, can contain the same Multiple formats of an icon, use icon editing software to create

.idf

MIDI instrument definition

.idx

index file, Exists in the environment of Dbase, Foxbase, Foxpro series software

.iff

File exchange format file, this file format is mostly used on the Amiga platform, on this platform it can almost Store various types of data. On other platforms, the IFF file format is mostly used to store image and sound files

.image

MACintosh disk image Image file, commonly seen in FTP sites on Apple computers, processed by Shrink Wrap in Macintosh

.ime

Input method file under Windows

.img

Disk image files can be restored to a disk after being opened with HD-COPY, WinImage and other tools

.inc

Assembly language include files, Similar to .H files in C/C++

.inf

Software installation information under Windows, the standard installation program of Windows installs software, drivers, etc. based on the installation information in this file. Perform installation

Installation

.ini

The initialization information file in Windows is not used much anymore. New applications will save the settings in the system.

.jar

A kind of compressed file in the registry, a new version of ARJ, but it is not very popular. You can use WinJar, Winrar, etc. to open it

.jpeg

A picture compression file, the same as .jpg

.jpg

The static image compression standard formulated by the Static Image Expert Group, with high compression It is very widely used and can be created using image processing software such as PhotoShop

.job

JobObject

.jfif

p>

Jpeg file

.kbd

Keyboard layout file

.lmb

A graphic used in Deluxe Paint The file format, its encoding method is similar to *.iff

.lnk

shortcut, this file points to another file, each item in the program folder of the start menu is a LNK file

.log

Log file

file, usually used to record some events

.lzh

An ancient compressed file that can be opened using WinRAR

.mac

A medium grayscale graphics file format used in Macintosh. Used in Macintosh Paintbrush, its resolution can only be 720*567

.mag

Graphics file format< /p>

.mcc

Dialer10CallingCard (calling card file)

.mci

MCI command set

.mdb

The database format used by Microsoft Access is a very popular desktop database

.men

In-memory application file, which exists in the environment of Dbase, Foxbase, and Foxpro series software

.mid

Audio compressed files were once very popular, but are rarely used in current software

.mif

MIDI instrument

.mmf

Microsoft mail, relatively rare

.mnt

Menu file, exists in Dbase, Foxbase, Foxpro In the environment of series software

.mnx

Menu file exists in the environment of Dbase, Foxbase, Foxpro series software

.moov

< p>QuickTime or Apple's film and television formats can be played by Sparkle, FastPlayer, MoviePlayer and other software on Macintosh, and can be played by Quicktime on Windows

.mov

< p>Movie files using Apple's QuickTime format can be played by Sparkle, FastPlayer, MoviePlayer and other software on Macintosh

, and can be played by Quicktime on Windows

.movie

< p>QuickTime or Apple's film and television formats can be played by Sparkle, FastPlayer, MoviePlayer and other software on Macintosh, and can be played by QuickTime on Windows

.mp3

< p>Audio files compressed using the MPEG-1 Layout 3 standard are the main compressed audio files on the Internet. Due to their extremely high compression

rate and low distortion, these files are currently the most popular for music piracy. Main file format, but currently challenged by new standards such as VQF and WMA

.mpg

Video files compressed using the MPEG-1 standard are very similar to the format used by VCD and provide Most current media player software can play CD-quality audio signals and 320*240 video resolution. Microsoft's WMV8 and MPEG-4 compressed AVI files are its strong competitors

p>

.mpt

A graphics file format used in Macintosh

.msg

Microsoft Mail Document

. msk

A graphics file format in Animator Pro that contains a bitmap graphic

.msn

Microsoft network file

.mmm

Mplayer

.mlv

MPEG file

.mak

Mak file

.man

Application/x-trof-man format file

.mpa

MPEG file

.mpe

MPEG file

.nws

Micr

osoft Internet News Message

.obj

Object code

.opt

is a graphics file format created by Animator Pro

.ovl

Due to the many functions of the software and the small memory, executable files that cannot be loaded into the memory at once may have ovl files with the same file name

.obd< /p>

Office.binder.95

.obt

Office.Binder.Template

.obz

Office. Binder.Wizard

.ofn

Office.File.New

.qic

Microsoft Backup Strategy

.qpr

Query files, used in the environment of Dbase, Foxbase, Foxpro series software

.qpx

Query files, used in Dbase, Foxbase, Foxpro series software

.qt

Macintosh's QuickTime film and television format is used in the software environment. It is played by Sparkle, FastPlayer, MoviePlayer and other software in Macintosh, and in

Windows Can be played by Quicktime

.qtm

Animation files, this file format was developed by Apple Computer Company and is supported by Apple Macintosh and Microsoft Windows platforms

, supports 25-bit color, the maximum image resolution is 64000*64000, supports compression, and is used to save audio and motion video information

.que

QueueObject

.rar

The compressed file format provided by WinRAR has a compression rate higher than ZIP and also provides richer functions

.rec

Recorder under Windows Macro file

.reg

Windows 95 system and application registration file. Although this kind of file is saved as a plain text file, there are still version problems. Different

< p>The versions of REG files used by operating systems are different

.rif

RTF format (Rich Text format) files

.rle

< p>A compressed bitmap file format, RLE compression scheme is an extremely mature compression scheme, characterized by lossless compression, which saves disk space without losing any image data. But when opening this kind of compressed file, it takes more time. In addition, some applications with poor compatibility may not be able to open it.

.rm

The video compressed files supported by RealPlayer under Windows, the very popular streaming video files on the Internet, and many real-time video news all use this format. However, the latest Windows Media Video V8 has launched a powerful offensive

.rmi

MIDI sequence file

.rtf

Rich text format file , describes the content in plain text, can save information in various formats, and can be created with Word, Word, etc.

.ra

ReadAudio files

.ram

p>

ReadAudio file

.rnk

Rnk file

.rpm

Audio/x-pn-realaudio-plugin Format file

.sav

Archive file

.scp

It is used for Internet dial-up users in Windows systems and is used for automatic dial-up login. script file

, which can avoid tedious keyboard input during manual login

.scr

Barrier protection file

.sct

Screen file, in Dbase , used in the environment of Foxbase, Foxpro series software

.scx

Screen file, used in the environment of Dbase, Foxbase, Foxpro series software

.set

Microsoft backup set file, used to save the content to be backed up, settings and other information

.shb

A shortcut to a document

< p>.shs

Fragments, you can drag and drop a piece of text from the WordPad to the desktop to create a fragment, but the use value is not great

.snd

Mac sound file, a sound file format developed by Apple Computer Company, is supported by the Macintosh platform and various Macintosh applications

, and supports certain compression

.spd

< p>PostScript printer description file

.sql

Query file, used in the environment of Dbase, Foxbase, Foxpro series software

.svg

SVG can be regarded as the hottest image file format at present. It is based on XML and was developed by the WorldWideWebConsortium alliance. SVG is

scalable vector graphics

.svx

p>

Amiga sound file, a sound file format developed by Commodore, is supported by the Amiga platform and applications, and does not support compression

.swf

flash is from Micromedia Product, strictly speaking, it is an animation editing software. In fact, it produces an animation with the suffix .swf

. This format of animation can express rich content in a relatively small size. Multimedia form, and can also achieve a "water

melting" state with HTML files

.swg

Virtual memory exchange file, controlled by the operating system Using

.sys

System files, drivers, etc. have different definitions in different operating systems

.slk

Excel.SLK

.sit

Application/x-stuffit format file

.taz

is a TAR compressed in .Z format File

.tbk

Temporary database file, used in the environment of Dbase, Foxbase, Foxpro series software

.tga

Image file. The structure of this file format is relatively simple. It is a universal format for graphics and image data. It has a great influence in the field of multimedia. It is the preferred format for converting computer-generated images to television< /p>

.tgz

Winzip

.tif

Same as tiff

.tiff

Image file, this image format is complex, has a lot of storage content, and takes up a lot of storage space. Its size is 3 times that of a GIF image and 10 times that of the corresponding JPEG image

. It was first popular on Macintosh and is now mainstream on Windows. All image applications support this format

.tmp

Temporary files are generally files generated by the system and applications for temporary use. When the system and applications exit, they will be automatically Delete the temporary files created by it

. If it exits abnormally, the temporary files may remain on the disk. In single-task system, they can be deleted immediately. In

multitasking System, you should delete temporary files that are not in use

.trn

Translation files

.tsp

Telephone service provider

.ttf

For font files in TrueType format, you can use FontVie

w.Exe view

.txt

Text file

.ttc

Ttc file

.tar< /p>

Winzip

.url

InternetShortcut (shortcut to URL address on the internet)

.uls

ULS File

.vbx

Microsoft Visual Basic language control

.vcd

CD image file created by virtual optical drive tool

p>

.ver

Version description, a file used to describe the version information of a certain software. The content varies from software to software

.voc

Sound file, this file format was developed by Creative Labs and is supported by Windows and DOS platforms. It supports compression

.vxd

Virtual device driver, very common in Windows operating systems , is an important system file

.vir

Vir file

.vsd

Visio.Drawing.4

< p>.vss

Visio.Drawing.4

.vst

Visio.Drawing.4

.vsw

Visio.Drawing.4

.wab

Address book file, used by the address book program in the system

.wav

< p>Audio file, this file format is a resource format used to save audio information on Windows. In Windows, it is played by Waveform Hold and

Modify or Navigator, or "media player". There are many encoding methods. , a corresponding decoding program is required to play the

.win

window file, which is used in the environment of Dbase, Foxbase, and Foxpro series software

.wmf

p>

A common metafile format in Microsoft Windows. It has the characteristics of short files and stylized patterns. The entire graphic is often spliced ??together from various

independent components, but Its graphics tend to be rough, and editing can only be called in Microsoft Office

.wpc

WordPad Document Conversion

.wps

Wps text file, available in multiple versions, can be opened using Wps Office, Wps 2000, etc.

.wri

Windows WordPad document

.wll

p>

Word.Addin

.wbk

Work.Backup

.wiz

Word.Wizard

.wht

Whiteboard

.xab

Microsoft Mail Address Book

.xbm

Animator A graphics file format created by Pro that contains information about a series of points used to describe polygons

.xif

Documents generated under Xifimage

. xla

EXCEL.Addim

.xlk

Excel.Backup

.xlc

Excel.Chart. 5

.xlb

Excel.Sheet.5

.xlc

Excel.Chart.5

.xlt

Excel.Template

.xlv

Excel.VBAModule

.xlw

E

xcel.Workspace

.xll

Excel.XLL

.xlm

Excel.Macro.Sheet

.z

A compressed file

.zip

is the most common file compression format in DOS/Windows and the standard compression format on the Internet. It can contain Paths and multiple files