There are many kinds of file extensions, can anyone tell me what files are represented by each of those extensions? ~

I. Common file extensions

ACA Role Documentation for Microsoft Agents

acf System Management Configuration

acm Audio Compression Management Driver, which provides encoding and decoding of various sound formats for Windows systems

AIF audio files that support compression can be played back using Windows Media Player and QuickTime Player

AIF audio files that use Windows Media Player and QuickTime Player can be played back using Windows Media Player and QuickTime Player. Windows Media Player and QuickTime Player

AIF audio files, played using Windows Media Player

AIFC audio files, played using Windows Media Player

AIFF audio files, played using Windows Media Player

ani Animated cursor file extension, such as animated hourglass.

ans ASCII character animation file

arc An older type of compressed file that can be opened with WinZip, WinRAR, PKARC, etc.

arj Compressed file. You can use WinZip, WinRAR, PKARC and other software to open

asf Microsoft's media player support for video streaming, you can use Windows Media Player to play

asp Microsoft's video streaming files, you can use Windows Media Player to open

asp Microsoft Active Server Page, is a server-side script, commonly used in large-scale Web site development, support for database connectivity, similar to PHP. you can use Visual InterDev to write, is currently a big hit

asx Windows Media Media file shortcuts

au is au is a sound file format commonly used on the Internet, 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 is a Windows multimedia file format using the Microsoft RIFF specification for storage. avi is a Windows multimedia file format that uses the Microsoft RIFF specification to store sound and moving pictures

bak is a backup file, usually a helper file created automatically or by command, that contains the most recent version of a file and has the same filename as the file

bas is a Basic language source program file that can be compiled into an executable file. Visual Basic is currently used to develop systems in Basic

bat Batch files. In MS-DOS, a .bat file is an executable file that consists of a series of commands that can include calls to other programs

bbs Electronic Bulletin Board System article information files

bfc Windows briefcase files <

bin Binary files, whose use depends on the system or application

bmp Bitmap Bitmap files, Microsoft's own format for developing Paint, which is supported by a wide range of Windows and Windows NT platforms and many applications, supports 32-bit color, and is used as a resource for creating icons for the Windows interface. file format.

c C source program files, compiled under the C compiler

cab Microsoft developed the compressed package format, commonly used in software installation programs, using Windows comes with the utility program, Extract.exe can be decompressed, WinZip, WinRAR and so on support this format

cal Calendar file in Windows

cdf Channel file in Internet Explorer

cdr A graphic file format in CorelDraw, it is a graphic image file format that can be used in all CorelDraw applications

cdx Index file. It exists in Dbase, Foxbase, and Foxpro system software environments

cfg Configuration file, a file used by a system or application to configure its own functionality and features

chm Compiled HTML file, often used for help files and electronic documents

clp Clipboard file format on Windows

cdx File format

cmd Batch file for Windows NT/2000, in fact, the same function as the BAT file, just to be different from the DOS/Windows 9x BAT

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 with a .hlp file of the same name

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

col p>com DOS executable command file, generally less than 64KB

cpl Control panel extension file, used by the Windows operating system

cpp C++ language source program, a very powerful language, in a variety of platforms have the corresponding development system

crd Card file in Windows

crt Certificate authentication files for security

cur Cursor resource file format for Windows, editable by cursor editing software

css Text/css files

dat Data files, used in applications

dat VCD image and sound files, VCD playback software can be called

dat VCD playback software

dat VCD sound files, VCD playback software

crc C++ Source files, very powerful language.

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

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, a file format designed to ensure that bitmap graphics created by one application can be loaded or displayed by others

dir directory file

dll Windows dynamic link library, almost everywhere, but sometimes due to conflicts between versions of the DLL

doc is a document created by Word, the word processing software in Microsoft Office, the office software with the highest market share

dos Windows retains some of the system files of MS-DOS

dot Microsoft Word's document templates. document template file, through the template can simplify the creation of some common format documents, and can be embedded in the VBA program to achieve some of the automation functions

drv device driver files, used in a variety of systems

dwg AutoCAD drawings, but also a lot of drawing software are supported by the format, often used to *** enjoy the data

dxb A graphics file format created by AutoCAD

dxf Graphics Exchange Format, a computer-aided design file format originally developed for use with AutoCAD to facilitate the transfer of graphics files between applications, which stores graphics in ASCII and is very accurate in terms of the size of the representation

der Certiticate file

dic Txt file

emf developed by Microsoft Windows 32-bit extension of the metafile format, the overall design goal is to make up for the lack of *.wmf file format in Microsoft Windows 3.1 (Win16), making the metafile more easy to use

emf is the most popular file format in the world. file is easier to use

eps PostScript language described in a graphics file format, saved as a text file, in the PostScript graphics printer can print high-quality graphic images, up to 32-bit graphic images

err compilation error file, exists in Dbase, Foxbase, Foxpro series of software environments

err compilation error file, exists in Dbase, Foxbase, Foxpro series of software environments

Err compilation error file. Foxbase, Foxbase, and Foxpro series software environments

exe Executable files with the same extension but in different formats and versions

exp Driver for the graphics card used in the 3DS

exc Txt file

flc Animation files for Autodesk Animator and Animatorpro. Supporting 256 colors and a maximum image size of 64000*64000, they support compression and are widely used for animation sequences in animated graphics, computer-aided design, and computer game applications

fnd Saved search results

fon Dot-matrix font files

for Fortran programs

fot Shortcuts to fonts

fot Shortcuts to fonts

fp Configuration files, which exist in the Dbase, Foxbase, and Foxpro family of programs

fpt Remarks field files, which exist in the Dbase, Foxbase, and Foxpro family of programs

frt Report files, which exist in the Dbase, Foxbase, and Foxpro family of programs

frt Report files, which exist in the Dbase, Foxbase, and Foxpro family of programs

fon Dot-matrix font files

for Fortran language programs

fot

frx report file, which exists in the Dbase, Foxbase, and Foxpro family of software

fxp compiled program, which exists in the Dbase, Foxbase, and Foxpro family of software

gif can be processed by all kinds of graphic manipulation software, on all platforms. Gif is a compressed graphic file format that can be processed by various graphic processing software on various platforms

grh Founder's graphic layout files

grp Group window files generated by the program manager under Windows

goc Gocserve

gra MSGraph. h C source program header files

hlp Windows application help files

hqx The Macintosh uses BinHex to encode binary files into 7-bit text files. Most Macintosh files appear as .hqx (.bin is rarely used). In Macintosh, .hqx can be decoded using StuffIt Expander, and in Windows it can be decoded using BinHex 13

ht Hyperterminal

htm A text file that holds a hypertext description language used to describe a wide variety of web pages, opened using a variety of browsers

html The same as .htm

icm An image color description file. icm Image color description file

ico Icon file for Windows, can contain the same icon in multiple formats, created using icon editing software

idf MIDI instrument definition

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

ime Windows input method files

img disk image files, with HD-COPY, WinImage and other tools to open the disk can be restored to a disk

inc assembly language contains files, similar to C / C + + in the .H file

inf Windows software installation information, Windows standard installation program based on the installation information in this file on the installation of software, drivers, etc.

ini Windows initialization information file, has not been used much, the new application will be set to save the system registry

jar a compressed file, the new ARJ version, but less popular, you can use the . version, but less popular, you can use WinJar, Winrar, etc. to open

jpeg a picture compression file, the same .jpg

jpg static image compression standard developed by the Expert Group on Static Images, with a high compression ratio, very widely used, can be used to create Image Processing Software such as PhotoShop

lnk shortcut, this file is not used much. lnk shortcut, this file points to another file, each item in the Programs folder of the Start menu is an LNK file

log log file, usually used to record events

lzh an old compressed file that can be opened with WinRAR

mac A grayscale graphic file format used in the Macintosh. Graphics file format used in Macintosh Paintbrush, which has a resolution of 720*567

mag Graphics file format

mdb Database format used by Microsoft Access, which is a very popular desktop database

men In-memory application files, found in Dbase, Foxbase, and Foxpro series software environments

mid Audio compression file, once very popular, but rarely used in software today

mif MIDI musical instrument

mov Movie file in Apple's QuickTime format, used on the Macintosh by Sparkle, Fast, and FastTime. Sparkle, FastPlayer, MoviePlayer, etc. on the Macintosh and Quicktime on Windows

movie QuickTime or Apple's QuickTime format on the Macintosh by Sparkle, FastPlayer, MoviePlayer, etc.

movie is a movie file format that can be used in the Apple's QuickTime format, but it is also a movie file format that is used in the Apple's QuickTime format. MoviePlayer in Macintosh, QuickTime in Windows

mp3 The MPEG-1 Layout 3 standard compression audio file is the main compressed audio file on the Internet, which is the main file format for music piracy due to the extremely high compression rate and low distortion. VQF, WMA and other new standards challenge

mpg MPEG-1 standard compressed video files, and the VCD format is very similar to the use of CD quality audio signals and 320 * 240 video resolution, most of the current media playback software can be played, Microsoft's WMV8 and MPEG-4 compression of the AVI file is a strong competitor

Microsoft's WMV8 and MPEG-4 compression of the AVI file is a strong competitor

This is the main compressed audio file online.

mpt A graphics file format used in the Macintosh

msg Microsoft mail document

obj Object code

ovl Due to the many functions of the software, the memory is too small, and the executable file can not be transferred into the memory at one time all the executable files may have the same filename of ovl

pcd Bitmap

This is the first time that the Macintosh has ever used a bitmap.

pcd bitmap file, developed by Eastman Kodak, supported by all platforms, PCD supports 24-bit color, the largest image is 2048 * 3072, used to save pictures on CD-ROM

pcs animation file, is an animation file format developed by Macromedia for Macintosh applications

pcs animation file, is an animation file format developed by Macromedia for Macintosh applications

pcs animation file, supports compression, supports compression, supports compression, supports compression. Use, support for compression, support for 256 colors, used to save animation data, is the predecessor of Quick Time

pcx image files, PCX format is ZSOFT company in the development of image processing software Paintbrush is the development of a format, this is a compressed format, taking up less disk space

pdf graphic multimedia documents

pdf Graphic Multimedia Document (GMD) is an electronic print file format defined by Adobe, it is a de facto standard, many electronic prints on the Internet are in .pdf format

psd is a standard graphic file format used in PhotoShop to save every small part of the image data, including layers, additional masking channels, and other content

Psd is a standard graphic file format used in the PhotoShop to store image data.

pwl A Windows password file

qt A QuickTime movie and video format for the Machintosh, played by Sparkle, FastPlayer, MoviePlayer, and others on the Macintosh, and by Quicktime on Windows

reg Windows 95/98 system and application registration files, this file is saved in plain text, but there is a version problem, different operating systems use different versions of the REG file

rle a compressed bitmap file format, RLE compression scheme is an extremely mature compression scheme. RLE compression is an extremely mature compression scheme, characterized by lossless compression, which saves disk space without losing any image data, but it takes more time to open such compressed files, and in addition, some applications that are not very compatible may not be able to open them

rm is a compressed video file supported by RealPlayer for Windows, and is a very popular streaming video file on the Internet. video files, many real-time video news and so on are in this format, but the latest Windows Media Video V8 has launched a strong attack on it

rmi MIDI sequence file

rtf Rich text format file, in plain text to describe the content, can save a variety of formats of information, can be used to write, Word and other create

sav archive

scp script file for Internet dial-up users on Windows systems, used for automatic dial-up logins, to avoid tedious keyboard input during manual logins

scr screen protection file

sct screen file

scx screen file

set A Microsoft backup set file that saves the contents, settings, and other information to be backed up

shb A shortcut to a document

snd Mac sound file, a sound file format developed by Apple Computer and supported by the Macintosh platform and a variety of Macintosh applications that support some compression

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sql query file, in the Dbase, Foxbase, Foxpro series software environment

svg SVG can be considered the hottest image file format, which is based on XML developed by the WorldWideWebConsortium, SVG is scalable vector graphics

svx Amplifier, which is the most popular format in the world.

svx 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 a product of Micromedia, and is strictly speaking a kind of animation editing software, but in fact it is to produce a kind of animation with the suffix .swf, which can be used in a relatively small amount of time. swf animation format can be a relatively small volume to express the rich form of multimedia, and also with HTML files to achieve a kind of "water and milk" of the realm

swg virtual memory swap file, used by the operating system

sys system files, drivers, etc., in different operating systems have different definitions

tbk temporary database files, in the Dbase, Fibre Channel, and so on, and so on. In Dbase, Foxbase, Foxpro series of software used in the environment

tga image file, the structure of this file format is relatively simple, belongs to a graphic, image data in a common format, in the field of multimedia has a great impact, is the computer-generated image to the television conversion of a preferred format

tiff image file, the image format, complex, storage content, storage capacity, and so on

tiff image file. Complex, storage content, taking up storage space, its size is three times the size of the GIF image, is the corresponding JPEG image 10 times, the earliest popular in the Macintosh, and now the mainstream Windows image application programs support this format

tmp Temporary files, generally the system and the application generated by the temporary use of the file, when the system and the application exit, it will automatically delete the creation of the When the system and applications exit, it will automatically delete the temporary files created, if it is not a normal exit, temporary files may remain on disk, in the single-tasking system, you can delete them immediately, in the multi-tasking system, you should delete those temporary files are not being used

txt text file

url InternetShortcut (shortcut to an internet URL shortcuts on the internet)

vcd CD-ROM image files created by the virtual CD-ROM drive tool

ver Versions, files used to describe the version information of a piece of software, the content varies from software to software

voc Sound files, this file format was developed by Creative Labs, Inc. and is supported by the Windows and DOS platforms.

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

wab address book file, used by the system's address book program

wav audio file, a resource format used to hold audio information on Windows, which is used by the Waveform Hold and Modify program

wav audio file, a resource format used to hold audio information on Windows. Played by Waveform Hold and Modify or Navigator, or "Media Player", there are many encodings, and the appropriate decoding program is required to play them

win Window file, used in the environment of the Dbase, Foxbase, and Foxpro series of software

wmf Microsoft Windows in a common metafile format, it has a short file, pattern modeling features, the entire graphic is often spliced from various independent components, but its graphics are often rougher, and can only be called in Microsoft Office to edit

wpc WritePad document conversion

wps Wps text files, available in several versions, can be opened using Wps Office, Wps 2000, and so on

wri Windows WritePad documents

xab Microsoft Mail Address Book

xbm A graphic file format created by Animator Pro containing information that describes a polygon as a series of points

xbm Animator Pro is a graphic file that contains information about the points that are used to describe the polygon. A series of points

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

xbm is a graphic file format created by Animator Pro that contains information about the points used to describe a polygon.