File Extensions

File Extensions


Temporary file


OS/2 program file


OS/2 database file


OS/2 spreadsheet file


OS/2 planner file


DBASE IV temporary file


Microsoft C temporary editor file.


Microsoft Windows temporary file for virtual managers.


Norton disk doctor recovery file.


Nuts n Bolts disk minder recovery file.


File used to backup sys, ini, dat, and other important files from Windows 3.1 and above.


Ventura Publisher 75x75 dpi screen characters


Ventura Publisher 85x85 dpi screen characters


Ventura Publisher 91x91 dpi screen characters


Ventura Publisher 96x96 dpi screen characters


PageMaker printer font LineDraw enhanced characters.


File used by some software manufacturers to represent a file that should be read first before starting the program.


File used in Windows 3.x to display the graphics on older 286 and 386 computers.


Virtual machine support files for the 386 enhanced mode.


File used in Windows 3.x to display the graphics on later 386, 486 and Pentium computers.


4DOS Swap file



ADA program file or UNIX library


MacroMedia Authorware 3.5 file


Autobackup file used with Corel Draw 6 and above.


Brush file for Adobe Photoshop


Adobe Photoshop Color table file.


After Dark file.


Adapter description files.


After Dark screen saver module.


After Dark randomizer.


Adobe Illustrator file.


Auto Interchange File Format (AIFF) Audio file.


Windows 95 / Windows 98 / Windows NT animated mouse cursor file.


ANSI text file.


Compressed file can be used with Winzip / Pkzip.


ASCII Text file


Sort for Advanced Streaming Format, file developed by Microsoft. The .ASF file is generally a movie player and can be open with software such as Windows Media Player.


Microsoft FrontPage Active Server Pages. To open these files use your internet browser.


Windows Movie file.



Backup file used for important windows files usually used with the System.ini and the Win.ini.


QBasic program and or Visual Basic Module.


Batch file that can perform tasks for you in dos, like a macro.


Microsoft Windows 95 / Windows 98 Briefcase file.


Backgammon game file.


Translation tables for code pages other than the standard 437.


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Graphical Bit Mapped File used in Windows Paintbrush.


Sim City Backup


Microsoft Works Word Processor File.


Corel Draw Bitmap master file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Word Perfect for Windows Backup file


Battery Watch pro file.



C file used with the C programming language.


Cabinet file used in Windows 95 and Windows 98 that contains all the windows files and drivers. Information about how to extract a .CAB file can be found on document CH000363.


Windows Calendar, Supercalculator4 file or Supercal spreadsheet.


COBOL Program File


Computer Based Training files.


CD Audio Player Track.


Corel Draw Vector file.


Comptons Multimedia file


Configuration file


Corel flowchart file


Corel FontMaster file / Cold Fusion Template file / Visual dBASE windows customer form


Scandisk file which is used to back up information that scandisk has found to be bad, found in C root. Because the information within these files are corrupted or reported as bad by Scandisk it is perfectly fine to delete these files, providing you are currently not missing any information. Additional information about scandisk can be found on our scandisk page.


Generic LISP source code.


Easy CD Creator layout file.


Easy CD Creator layout file.


Java Class file.


Disk catalog database


Corel R.A.V.E. animation file.


Crick software clicker file


Cloe image


Windows Clipboard / Quattro Pro clip art / Clipper 5 compiler script


WinEdit Colorization word list / 1st reader binary color screen image / PhotStyler color definition


Visual Basic Class module / C++ Class definition


Windows Script File also OS/2 command file.


Corel Movie file.


Help file (.hlp) Contents (and other file contents)


Windows 95 / Windows 98 / Windows NT control panel icons.


Configuration file that builds .COM files.


Configuration file.


COBOL source code file.


FORTRAN Compiler program code


File that can be executed.


Fax cover page file


Code Page Information or Microsoft Windows applet control panel file


C++ source code file.


Windows Card file.


Comma-Separated Variable file. Used primary with databases and spreadsheets / Image file used with CopuShow


Windows Mouse Cursor.


Canvas drawing file


C++ program file or Zortech C++ file



Data file, generally associated or extra data for a program to use.


Paradox database file / Progress database file


dBase II file


Microsoft Visiual Foxpro database container


dBase II,III,III+,IV / LotusWorks database.


dBase databse backup / Orcad schematic capture backup file


Cold Fusion template


dBase IV compiled program file


Paradox memo


dBase database text file


Flexfile memo field file


DataBoss database file


Database file / DataBeam Image / MS Visual Foxpro Table


Device Driver


Document Interchange Format; VisiCalc


Dynamic Link Library; Allow executable code modules to be loaded on demand, linked at run time, and unloaded when not needed. Windows uses these files to support foreign languages and international/nonstandard keyboards.


Demo file


Dump file


Visual dBASE data module


Delusion/XTracker Digital Music File


Compressed archive file


Microsoft Word Windows/DOS / LotusWorks word processor Windows/DOS /PF S:First Choice Windows/DOS DOT MS Word Windows/DOS.


Text file and DOS Specification Info


Microsoft Word Template (Macro).


Device driver files that attach the hardware to Windows. The different drivers are system, keyboard, pointing devices, sound, printer/ plotter, network, communications adapter.


Micrografx draw/graph files.


Macintosh Data File Fork


Data file


SGML Document definition file


Q&A database


DigiRekker module


SecurDesk! Desktop / Timeworks Publisher Text Document / Pressworks Template file


Dialup Networking exported file.


Document Imaging file / Digital data exchange file


Drawing interchange binary file


Autocad drawing interchange format file


Fujitsu dexNet fax document


Macromedia director projected movie file


Lotus 1-2-3 file


AutoCad Drawing Database



Button bar for Equation Editor in Word Perfect for Windows


CHIWRITER high resolution screen characters


EGA screen characters for Ventura Publisher


Event List text file used with Prosa


Enhanced Menu System configuration file for PC Tools


IRMA Workstation for Windows emulation


ADW Knowledge Ware Encyclopedia


Corel Draw Arrow Definition file


Sprint dictionary file engine


Word Perfect for Windows environment file.


Exported PaGe file used with DynaVox


Encapsulated Postscript, with embedded TIFF preview images.


Word Perfect for Windows Equation file


Entity Relation Diagram graphic file


Entity Relation Diagram model file


Error log file


Extended Shell Batch file


Event file scheduler file for PC Tools


Device driver for Harvard graphics 3.0


QEMM exclude file from optimization file or Rexx program file


Executable file.


Extension file for Norton Commander



Adobe Acrobat Forms Document.


AGFA CompuGraphics outline font description.


Microsoft Fast Find file.


GUS PnP bank / defFax fax document


Microsoft Fast Find file / PrintMaster Gold form file


Microsoft Fast Find file


DCA/FFT final form text


Microsoft Fast Find file


Font files to support display and output devices.


dBase IV renamed dBase III+ form


FontMonger Font


dBase IV uncompiled report


Compressed zip file used with Apple Macinotsh computers.


Form file used with various programs / Microsoft Visual Basic Form / FrameMaker document / FrameBuilder file / Oracle executable form / Word Perfect Merge form / DataCAD symbol report file


dBase IV compiled report / FormFlow file


PerForm Pro Plus Form


WordPerfect graphics driver


FoxPro report file


Microsoft Visual basic binary form file / FoxPro report file


FormFlow file



CompuServe Graphics Interchange Format.


286 grabbers that specify which font to use with DOS and Windows.


386 grabbers that specify which font to use with DOS and Windows.


Microsoft Flight simulator graphics file


Microsoft MS-DOS shell monitor


Micrografx draw/graph files.


Microsoft Program Group.


Compressed Archive file for GZip



Mathcad handbook file


Procomm Plus alternate download file listing


Procomm Plus message header


Help index


Hex dump


GEM HP font info


HP graphics language graphic


C++ Header


Precompiled Header for Power C


Help data for Procomm Plus


Files that contain the Help feature used in windows, cannot be read from DOS.


Apple Macintosh Binhex text conversion file.


Data files associated with the Qaz Trojan.


Photoshop Hue/Saturation information.


History file / Procomm Plus History File / Host file.


Hypertext Application (run applications from HTML document).


Web page files containing HTML or other information found on the Internet.



Citrix file / IOCA graphics file


Targa Bitmap


Kodak printer image


Archive file


Icon library file


Image Color Matching profile file


Microsoft Windows Icon Manager.


Microsoft Windows Icondraw / Icon.


Disk identification file.


Microsoft developer intermediate file, used with Microsoft Visual Studio


MIDI instruments definition


Integrated Development Environment configuration file


MIDI instruments drivers file


Internet data query file


Index file


IFF/LBM (Amiga) used by Computer Eyes frame grabber.


GEM/IMG (Digital Research) or Ventura Publisher bitmap graphic


Information file that contains customization options.


Files that initialize Windows and Windows apps.


Installer Script File / OS/2 online documentation for Microsoft source files.


Compressed file used for an exact duplicate of a CD. .ISO files can be extracted or opened such programs as WinImage that can be found on our shareware download section.


IBM Writing Assistant Text file.





Graphic commonly used on the Internet and capable of being opened by most modern image editors.


JavaScript file.


Henter-Joyce Jaws script binary file


eFAX jet suite document


JScript encoded script file


Henter-Joyce Jaws script header file


PaintShop pro file


Henter-Joyce Jaws script message file


Java server page


Henter-Joyce Jaws script source file


JT fax file


JPEG tagged Interchange format file


Sun Java toolkit file


JetForm file


Justwrite text file


Justwrite text file library


Jazz spreadsheet



Karaoke File used with some audio players.



Program Use Log File (for Windows Program Use Optimization).


Contains the code for displaying the screen logo.


Contains the process of certain steps, such as when running scandisk it will usually keep a scandisk.log of what occurred.


HTML link file used with Microsoft Internet Explorer.


Lotus Wordpro 96/97 file.



Macintosh macpaint files.


Microsoft Outlook Express mailbox file.


Compressed Archive file


Microsoft Access Add-in / Microsoft Access 2 Workgroup.


Microsoft Access Database / Microsoft Access Application.


Microsoft Access Database File


Menu definition file


Digitrakker Music Module / Rational Rose / Quake model file


Telix Modem Definition


Microsoft Access Blank Database Template


Microsoft Developer Studio Project


Microsoft Access Add-in Data


Microsoft Access Workgroup Information


dBase IV Multiple Index


Microsoft Access Wizard Template


WordPerfect Macro Editor bottom overflow file


WordPerfect Macro Editor delete save / OctaMed tracker module


WordPerfect Macro Editor macro / Memory File of variables


Midi orchestra files that are used to play with midi sounds built within the sound card.


Power C object file / Multiplayer Picture file (Microsoft Photodraw 2000 & Microsoft Picture It!) / Command & Conquer Movie/Sound file


Winoldap files that support (with grabbers) data exchange between DOS apps and Windows apps.


File used with Quick Time to display a move.


MPEG audio stream, layer I


MPEG audio stream, layer II


MPEG audio stream, layer III; High compressed audio files generally used to record audio tracks and store them in a decent sized file available for playback. See our MP3 page for additional information.


MPEG movie file.


Microsoft Network document / Decent mission file


Windows metafile.


Derive Math file


Sound file / MultiTracker music module


Picture file


Minitab data file


Quattro menu


Ultima Online game


Music publisher file


Audio file


Database file / Microsoft multimedia viewer file


Interplay video file


Movie stop frame file


Lotus Wordpro 97 smartmaster file


ArcInfo map file


Microsoft C Datafile


Make your point presentation file.



Nintendo 64 Emulator ROM image.


Netscape Communicator address book.


Novell Groupwise address book


Napster Music security definition file.


NeoPlanet Browser file


Indexed file for most databases.


Nintendo Entertainment system ROM image.


Norton guide online documentation


Enterasys Networks NetSight file.


Nero HFS-CD compilation or a general Nero file


Norton icon lybrary file.