BRAIN BOOSTER ( IMPORTANT KNOWLEDGE OF EXTENSION )

EXTENSION FILES

Welcome to (AV addiction) in this post we know about the extension , how to the impotent and what is the use of extension so let see..

A file extension or file name extension is the ending of a file that helps identify the type of file in operating system such as Microsoft Window . In Microsoft Windows, the file name extension is a period that is often followed by three character , but may also be one, two, or four characters long. For example, the file name "myfile.txt" has an extension of ".txt", which is a file name extension associate with TextFile .

Note: In all new versions of Microsoft Windows by default the file extensions are hidden, and you must have file show extension enabled to view and edit file extensions.

As mentioned earlier a file name extension is typically between one and three characters and will always be at the end of the file name separated by a period. Some programs also support file extensions that are more than three characters. For example, all of the latest versions of Microsoft Word support .docx document files and most web page end with the .html file extension.

Extension are use to indicate which type of file . Extension are 2, 3 and 4 words used after the (.)

Some Extensions is here -

.a11 Graphics AIIM image file

.a2b A2B Player Playlist

.a3d Amapi 3D Modeling file

.aa Audible Audio file

.aax Audible Audiobook file

.ab2 Parson's Address Book

.abc ActionScript Byte Code File

.abr Adobe Photoshop brush file

.abx WordPerfect Address Book file

.acc Program (DR-DOS - ViewMax) (GEM / resident)

.acorn ACORN Graphics format

.adc Ada source code file

.ade Microsoft Access Project

.all Format file for working pages (Always)

.aps MS Visual C++ file

.b&w Black and white graphics (atari - mac)

.b~k backup file

.bad Bad file (Oracle)

.bak Backup file

.bcp Borland C++ makefile

.bk! Document backup (WordPerfect for Win)

.bkp Backup file (Write - TurboVidion DialogDesigner)

.bmf Corel Image file

.brk Fax (Brooktrout Fax-Mail)

.brx Multimedia browsing index

.c++ C++ source code file

.cbl Cobol source code file

.cc C++ source code file

.cda CD Audio Track

.cdm Visual dBASE Custom Data Module

.cls C++ class definition file

.db Database (Paradox - Smartware)

.dbx Database

.class Java class file

.cob Cobol source code file

.cpx Control Panel Applet

.crx Chrome Extension file

.cs Visual C# Source file

.dbf Database file (dBASE III/IV - FoxPro - dBFast - DataBoss)

Oracle 8.x Tablespace File

.doc Document text file

.docm Open XML Macro-enabled Document file (Microsoft Word 2007 / Word 2010)

.docx Open XML Document text file (Microsoft Office 2007 / Office 2010)

.dos                      External command file (1st Reader)

                             Text file containing DOS specific info

.dotx                    Microsoft Word 2007 / Word 2010 Template file

.dwg                     Drawing (Drafix)

                             Drawing database (AutoCAD)

.dwt                      AutoCAD Template/Prototype file

.ecf                       Microsoft Outlook Add-on file

.fp3                      FileMaker Pro 3.0 and earlier files

                             Floor Plan 3D Drawing file

.frm                      MySQL Database Format file

                             Text (order form)

.gam                    Saved Game file

.gxd                     General CADD Pro file

                            GX-Reports file

.h                         Header file

.h++                   Header file (C++)

.hh                       C++ header file

.hhc                     TurboTax Contents file

.hpp                    C++ header file (Zortech C++)

.hst                      Yahoo Messenger History file

.hta                     Hypertext application

.htc                      HTML Component (mechanism forimplementing

.htf WebBase File

.htm HyperText Markup Language document

.html HyperText Markup Language document

.idl MS Visual C++ Interface Definition file

OMG CORBA Interface Definition Language

.imp Impaticized PowerPoint file

Spreadsheet (Lotus Improv)

.imz Compressed floppy image

.jnlp Java Web Start file

.job Job file (Task Scheduler Task Object)

.jp2 JPEG 2000 file

.jpeg JPEG image

.jpf JPEG 2000 file

.jse JScript Encoded Script file

.jsp Java Server page

.json JavaScript Object Notation file

.kmz Google Earth Map Location file

.kwi Navigation Data file

.kyb Keyboard mapping (FTP Software PC/TCP)

.lcf Linker Control File (Norton Guides compiler)

.lcl Data (FTP Software PC/TCP)

.lcn Lection (WordPerfect)

.lrf Linker response file (MS C/C++)

.lwd Text document (LotusWorks)

.lwp IBM Word Pro / Lotus Word Pro 96/97 document file

.lyr DataCAD Layer file

.m4r iPhone Ringtone file

.m4a MPEG-4 Audio Layer

.m4v Apple Video file

.mac Bitmap graphics (Macintosh MacPaint)

.mad MS Access Module Shortcut

.maff Mozilla Archive Format file

.mai Mail (VAX)

.mak Makefile , Project file (Visual Basic)

.mdl Model (3D Design Plus)

.mki Japanese graphics MAKIchan format (MagView 0.5)

.mmf Mail message file (MS Mail)

.mpls Blu-ray Information file

.mspx XML based Web Page

.mtv MTV Music Generator

.mvd MicroDVD (DVD movie file)

.nam MS Office Name file

.ncb MS Developer Studio file

.nch Outlook Express folder file

.new New info

.nh NetHack file

.now Text file

.ocp Advanced Art Studio

(Offline Commander Project file)

.odl Type library source (Visual C++)

.old Backup file

.omg OpenMG Jukebox

.ops Microsoft Office profile settings file

.p65 Adobe Pagemaker v6.5

.pat Hatch patterns (AutoCAD - Photostyler)

Vector fill files (CorelDRAW)

.pb Fax (FAXability Plus)

Phonebook (WinFax Pro)

.pcd Graphics (Kodak PhotoCD)

Microsoft Visual Test compiled script

.pds Incredimail (Source Code File)

.pdf Adobe Portable Document Format

Package Definition File

.pdw Document (Professional Draw)

.pdx Adobe Acrobat Index file

.pf Windows Prefetch file

.pg Pagefox File

Page cut/paste file (IBM LinkWay)

.php PHP Script (MS Picture It! Publishing Project File)

PhotoParade

.pic Pixar picture file (SDSC Image Tool)

Bitmap graphics (Macintosh b&w PICT1 - color PICT2)

Bitmap graphics (many eg. Lotus 1-2-3 - PC Paint)

.pjx Project (FoxPro)

.pnf Precompiled Setup Information (Temporary file seen during installs)

.png Bitmap graphics (Portable Network Graphics)

.pop Messages index (PopMail)

Pop-up menu object (dBASE Application Generator)

.pot PowerPoint template

.potx PowerPoint Open XML Template file

.pow Chord chart (PowerChords)

.ppg MS PowerPoint Ppresentation

Professor Franklin's Photo Print Gold

.pps PowerPoint Slideshow

.ppsx MS Office PowerPoint Slide Show file

.ppt General file extension (PowerPoint)

.pro Prolog source code file

Graphics profile file (DOS)

.pwd Pocket Word document

AutoCAD Password file

.qbe Saved query (Query By Example) (dBASE IV - Quattro Pro)

.qd0                     Data file - segment 10 (Omnis Quartz)

.qru                      SQL Query file

.ram                    Ramfile (RealAudio)

.raw                     Raw RGB 24-bit graphics

.reg                      OLE Registration (Windows 3.x)

                             Registration (Corel programs)

.rez                       Resource file

.rtp                       Turbo Tax Update file

.s                          Assembly source code file (Unix)

.shtml                            HTML File with Server Side

.sik                       Backup file (Sicherungskopie) (MS Word)

.tax                       TurboTax file

.tbx                       Table (Project Scheduler 4)

.text                      ASCII Text file

.txt                        Text file

.vbx                      Visual Basic eXtension (Visual Basic)

.vcd                      VisualCADD Drawing file

.vid                       Video file

                             Ms-DOS Shell Monitor file (MS-DOS 5)

.vir                       Virus Infected file

.wab                     Outlook File

.win                      Opera Saved Window file

.xhtml                            Extensible HyperText Markup Language file

.xlm                      Macro sheet (MS Excel)

.xls                       Spreadsheet(MS Works)

.xlsx                     Microsoft Excel XML file

.xml                      Extensible Markup Language file

.ymg                     Yahoo! Messenger chat log

.yps                      Yahoo! Messenger Data file

.zhtml                     Secure IE Zipped HTML file