Let me provide you with a table! Take your time and take a look, it’s quite detailed! !

Extension file type opening method

.aiff sound file Windows media Player

.!!! Netants temporary file Netants

.ani animated mouse

.arj compressed 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

.cab compressed file Winzip

.cdr Corel image file Corel Draw

.chk file created after Scandisk inspection You can delete

.com DOS command file self-execution

.cpx Cryptapix encrypted image file Cryptapix

.cur static mouse

. dbf database file dBase, FoxBase, Access

.dll application extension

.doc document file Word

.dwg AutoCAD file AutoCAD

.eps Illustrator picture file Adobe Illustrator

.exe executable file self-execution

.fon font file

.gb GB code file NJX word processing

p>

.get Getright temporary file

.gif 256-color image file drawing/viewing software

.gz Compressed file Winzip for UNIX or LINUX < /p>

.hqx Macintosh File Stuffit Expander

.htm Web Browser

.html Web Browser

.ico Icon

.ini Configure and set up notebook or WordPad

.ipx IPX demonstration file browser and install IPX plug-in

.jiff image file drawing/viewing software

< p>.jpeg Compressed image file drawing/viewing software

.jpg Compressed image file drawing/viewing software

.js javascript

< p>.lnk shortcut connection file connection file corresponding program

.m3u Winamp playlist Winamp

.mid sound file Windows media Player

.vod Quicktime Image file Quick Time

.mp3 Compressed music file Winamp

.mpeg Image Windows media Player

.mpg Image Windows media Player

.njx NJX document NJX word processing

.pcb Electronic circuit diagram design file Protel PCB

.pdf Portable document format, containing pictures, text, etc. Adobe Acrobat, Adobe Acrobat Reader < /p>

.pm5 PageMaker 5 typesetting file Page

Maker

.ppt Power Point file Microsoft Power Point

.ps GhostScript

.psd Photoshop 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

p>

.sea Macintosh startup file

.sit Compressed Stuffit Expander

.swf Flash animation file browser installs Macromedia flash plug-in

.sys System files

.tar UNIX compressed files Winzip

.tif High-quality image file drawing/viewing software

.tiff High-quality image file drawing/viewing software Picture viewing software

.tmp temporary files can be deleted

.ttf font files

.txt plain text files notebook or all word processing systems

.vbs Visual Basic programming file Microsoft Viasual Basic

.viv VIVO image file browser with VIVO plug-in installed

.vqf compressed sound file Yamaha SoundVQ Player

.wav Uncompressed sound file Windows media Player

.wk1 Lotus 123 trial calculation software file Lotus 123, Excel

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

.wri Write text document Word

.xls Excel calculation software file Microsoft Excel

.Z UNIX compressed file Winzip

< p>.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

p>

gif Compuserver

iff Amiga

img GEM Paint

jpg JPEG - JFIF Compliant

lbm Deluxe Paint

p>

mac Mac Paint

msp Macrosoft Paint

pbm Potable Bitmap

pct Macintosh Pict

pcx Zsoft Paintbrush

p>

pic PC Paint

png Portable Network Graphics

ppm Portable Pixelmap

psd Photoshop

psp Paint Shop Pro Image

ras Sun Raster Image

raw Eaw File format

rle Windows or CompuServer RLE

sct SciTex Continuous Tone

< p>tga Truevision Targa

tif Tagged Image file format

wmf Windows Meta File

wpg WordPefect Bitmap

.ACA

Role documents used by Microsoft agents

.ace

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

< p>.acf

System management configuration

.acm

Audio compression management driver, which provides encoding and decoding functions for various sound formats for Windows systems< /p>

.acs

Same as .acm, but saved locally

.ADE

Microsoft Access Project Extension

.ADN

Blank project template for Microsoft Access

.ADP

Project for Microsoft Access

.aif

Sound file, supports compression, can be played using Windows Media Player and QuickTime Player

.AIF

Audio file, can be played using Windows Media Player

.AIFC < /p>

Audio files, use Windows Media Player to play

.AIFF

Audio files, use Windows Media Player to play

.ani

Animated cursor file extension, such as 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

One 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 file 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's video streaming file 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 and 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 is Visual Basic

.bat

Batch file. In MS-DOS, the .bat file is an executable file and consists of a series of commands, which can 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, this is Microsoft developed Paint's own format, which 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 graphic file format containing various pixel information

.c

C language source program file , compiled and used under the C language compiler

.cab

The compression package format developed by Microsoft is often used in software installation programs, using 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 characteristics

.chm

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

.clp

File format in the clipboard under Windows

p>

.cmd

Batch file for Windows NT/2000, actually has the same function as BAT file, just to be different from 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

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 applications

.dat

Image and sound files in VCD, VCD playback software can adjust

Use, or play through VCD player

.dbf

Database files, database files generated by Foxbase, Dbase, Visual FoxPro, and other database processing systems

.dcx

Fax browsing document files

.ddi

Image files, DUP, HD, IMG and other tools can be expanded

. dev

Device driver

.dib

Device-independent bitmap file, which is a file format whose purpose is to ensure that a certain application The created bitmap graphics can be loaded or displayed by other applications

as

.dir

Directory files

.dll < /p>

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

.doc

Yes Documents created by Word, the word processing software in Microsoft Office, the office software with the highest market share at present

.dos

Some system files of MS-DOS reserved by Windows

.dot

Microsoft Word document template file can simplify the creation of documents in some common formats through templates, and can embed VBA programs

to realize certain automation functions

.drv

Device driver files, used in various systems

.dwg

There are also many AutoCAD drawing files A format supported by all drawing software and commonly used to share data

.dxb

A graphic file format created by AutoCAD

.dxf

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

applications. It is stored in ASCII Graphics, 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 problems used in Microsoft Windows

3.1 (Win16) * The deficiencies of the .wmf file format make metafiles easier to use

.eps

A graphics file format described in the PostScript language, saved as a text file, and in PostScript graphics The printer can print high-quality graphics and images, and can represent up to 32-bit graphics. err

Compilation error files exist in

.exe

Executable files in Dbase, Foxbase, and Foxpro series software environments, although the suffix name is the same, have different formats and versions

.exp

Display card driver used by 3DS

.exc

Txt file

.fky

Key macro File, exists in the environment of Dbase, Foxbase, Foxpro series software

.flc

Animation files of Autodesk Animator and Animatorpro, support 256 colors, the maximum image pixel is 64000 *64000, supports compression,

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

.fnd

Saved searches Result

.fon

Bitmap font file

.for

Fortran language program

.fot

Shortcut key to font

.fp

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

.fpt

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

.frt < /p>

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

.frx

Report files, exist in the environment of Dbase, Foxbase, Foxpro series software Environment

.fxp

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

.h

C language source program header file

.hlp

Windows application help file

.hqx

BinHex is used in Macintosh to convert binary The file is encoded as a 7-bit text file. Most Macintosh files appear as .hqx (.bin is rarely used). In Macintosh, you can use StuffIt Expander to decode .hqx. In Windows, you can Use BinHex 13 to decode

.ht

HyperTerminal

.htm

Save the text file of Hypertext Description Language for description Various web pages, use various browsers to open

.html

Same as .htm file

.icm

Picture Icon color description file

.ico

The icon file in Windows can contain multiple formats of the same icon and is created using icon editing software

.idf

MIDI instrument definition

.idx

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

.iff

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

.image

MACintosh disk image file, common in FTP outlets of Macintosh machines, processed by Shrink Wrap in Macintosh

p>

.ime

Input method file under Windows

.img

Disk image file, open with HD-COPY, WinImage and other tools It can be restored to a disk later

.inc

Assembly language include file, similar to .H file 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

Installation

.ini

.ini

p>

The initialization information file in Windows is no longer used much. New applications save settings in the system's registry

.jar

A Compressed file, a new version of ARJ, but not very popular. You can use WinJar, Winrar, etc. to open it

.jpeg

A kind of image compression file, the same as .jpg

< p>.jpg

The static image compression standard formulated by the Static Image Expert Group has a very high compression ratio and is widely used. Image processing software such as PhotoShop can be used

Create

.job

JobObject

.jfi

f

Jpeg file

.kbd

Keyboard layout file

.lmb

Used in Deluxe Paint A graphics file format whose encoding method is similar to *.iff

.lnk

shortcut. This file points to another file, each item in the program folder of the start menu. They are both LNK files

.log

Log files, usually used to record some events and the like

.lzh

A kind of Ancient compressed files 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

Graphic file format

.mcc

Dialer10CallingCard (calling card file)

. mci

MCI command set

.mdb

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

.men < /p>

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

.mid

Audio compression files were once very popular, but now Rarely used in software

.mif

MIDI musical instrument

.mmf

Microsoft email, relatively rare

.mnt

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

.mnx

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

.moov

QuickTime or Apple's film and television formats are played in Macintosh by Sparkle, FastPlayer, MoviePlayer and other software, in

Can be played by Quicktime in Windows

.mov

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

, which can be played by Quicktime in Windows

.movie

QuickTime or Apple’s film and television formats can be played by Sparkle, FastPlayer, MoviePlayer and other software in Macintosh, in

Can be played by QuickTime in Windows

.mp3

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

characteristics of low distortion are the main file formats currently used for music piracy, but they are 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, providing CD-quality audio signals and 320*240 video resolution

Most current media playback software Able to play, Microsoft's WMV8 and MPEG-4 compressed AVI files are strong competitors

.mpt

A graphics file format used in Macintosh

< p>.msg

Microsoft Mail Document

.msk

A graphics file format in Animator Pro that contains a

Bitmap graphics

.msn

Microsoft Network Files

.mmm

Mplayer

.mlv < /p>

MPEG file

.mak

Mak file

.man

Application/x-trof-man format Files

.mpa

MPEG files

.mpe

MPEG files

.nws

Microsoft Internet News Message

.obj

Object Code

.opt

Is the 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

Office.binder.95

.obt

Office.Binder.Template

.obz

< p>Office.Binder.Wizard

.ofn

Office.File.New

.qic

Microsoft Backup Policy

.qpr

To query files, use it in the environment of Dbase, Foxbase, and Foxpro series software

.qpx

To query files, use it in Dbase,

.qt

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

< p>Can be played by Quicktime in Windows

.qtm

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

Support, support 25-bit color, the maximum image resolution is 64000*64000, support compression, 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

Windows The recorder macro file under

.reg

Windows 95 system and application registration file. Although this 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

Any image data, but when opening such compressed files, it will take more time, and 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, which describes the content in plain text and can save information in various formats. It can be created using Wordpress, Word, etc.< /p>

.ra

ReadAudio file

.ram

ReadAudio file

.rnk

Rnk file

.rpm

Audio/x-pn-realaudio-plugin format file

.sav

Archive file

p>

.scp

A script file used for automatic dial-up login for Internet dial-up users in Windows systems, which can avoid tedious keyboard input during manual login

.scr < /p>

Barrier protection file

.sct

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

.scx < /p>

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

Shortcut to a document

.shs

Fragments that can be dragged and dropped from the WordPad A piece of text creates a fragment on the desktop, but is of little use.

.snd

Mac sound file, a sound file format developed by Apple Computer Company, is used by the Macintosh platform and various Macintosh Supported by the application

, some compression is supported

.spd

PostScript printer description file

.sql

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

.svg

SVG can be regarded as the most popular image file format at present. It is based on XML and is Developed by the WorldWideWebConsortium alliance, SVG is

Scalable vector graphics

.svx

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

.swf

Flash is a product of Micromedia. Strictly speaking, it is an animation editing software. In fact, it is a

Animations with the suffix .swf. Animations in this format can express rich multimedia forms in a relatively small size, and can also achieve a "water-like" effect with HTML files

The realm of "milk intercourse"

.swg

Virtual memory swap file, used by the operating system

.sys

System file, Drivers, etc., have different definitions in different operating systems

.slk

Excel.SLK

.sit

Application /x-stuffit format file

.taz

It is a TAR file compressed in .Z format

.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, and it is a general format for graphics and image data. , which has a great influence in the field of multimedia

and is the preferred format for converting computer-generated images to television

.tgz

Winzip

.tif

Same as tiff

.tiff

Image text

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. Image applications all 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 automatically Delete the temporary files created by it

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

.trn

Translation files

.tsp

Telephone Service Provider< /p>

.ttf

Font file in TrueType format, you can use FontView.Exe to view

.txt

Text file

< p>.ttc

Ttc file

.tar

Winzip

.url

InternetShortcut(on the internet URL address shortcut)

.uls

ULS file

.vbx

Microsoft Visual Basic language control

.vcd

CD image file produced by virtual optical drive tool

.ver

Version description, used to describe the version information of a certain software File, content varies by software

.voc

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

< p>.vxd

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

.vir

Vir file

.vsd

Visio.Drawing.4

.vss

Visio.Drawing.4

.vst

.vss p>

Visio.Drawing.4

.vsw

Visio.Drawing.4

.wab

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

.wav

Audio file. This file format is a resource format used to save audio information on Windows. In Windows, it is used by Waveform Hold and

Modify or Navigator, or "media player" playback, there are many encoding methods, which require corresponding decoding programs to play

.win

Window files, Used in the environment of Dbase, Foxbase, and Foxpro series software

.wmf

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

independent components, but the graphics are often rough and can only be edited in Microsoft Office

.wpc

WordPad document conversion

.wps

Wps text file, there are many versions, can be opened using Wps Office, Wps 2000, etc.

. wri

Windows WordPad Document

.wll

Word.Addin

.wbk

Work.Backup

.wiz

Word

.Wizard

.wht

Whiteboard

.xab

Microsoft Email Address Book

.xbm

. p>

A graphics file format created by Animator Pro, which contains information used to describe a series of points of a polygon

.xif

Documents generated under Xifimage

p>

.xla

EXCEL.Addim

.xlk

Excel.Backup

.xlc

< p>Excel.Chart.5

.xlb

Excel.Sheet.5

.xlc

Excel.Chart.5 < /p>

.xlt

Excel.Template

.xlv

Excel.VBAModule

.xlw

Excel.Workspace

.xll

Excel.XLL

.xlm

Excel.Macro.Sheet

.z

A compressed file

.zip

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