![[Topsign]](learntop.gif)
![[Local]](exttop.gif)
The following chart is a listing of the most commonly found extensions and what type of file they are and what program they are associated with. This is a fairly complete list, but if you find an extension that's not here, E-mail us and we'll find out what it is and add it to the list.
If you can't find it here, try here for a another searchable resource.
FILE | WHAT IT IS |
| .@@@ | Screen files used in the installation and instruction on use of such applications as Microsoft Codeview for C |
| .$$$ | MS temporary file. Also OS/2 file used to keep track of archived files. |
| .$$A | OS/2 program file |
| .$$F | OS/2 database file |
| .$$S | OS/2 spreadsheet file |
| .$D$ | OS/2 planner file |
| .$DB | DBASE IV temporary file |
| .$ED | Microsoft C temporary editor file. |
| .$VM | Microsoft Windows temporary file for virtual managers. |
| .--- | File used to backup sys, ini, dat, and other important files from Windows 3.1 and above. |
| .075 | Ventura Publisher 75x75 dpi screen characters |
| .085 | Ventura Publisher 85x85 dpi screen characters |
| .091 | Ventura Publisher 91x91 dpi screen characters |
| .096 | Ventura Publisher 96x96 dpi screen characters |
| .0B | Pagemaker printer font LineDraw enhanced characters. |
| .1ST | File used by some software manufacturers to represent a file that should be read first before starting the program. |
| .2GR | File used in Windows 3.x to display the graphics on older 286 and 386 computers. |
| .386 | Virtual machine support files for the 386 enhanced mode. |
| .2GR | MS Windows 3.x Screen Grabber |
| .3GR | File used in Windows 3.x to display the graphics on later 386, 486 and Pentium computers. |
| .4SW | 4DOS Swap file |
| A | ADA program file or UNIX library |
| .A3W | MacroMedia Authorware 3.5 file |
| .ABK | Autobackup file used with Corel Draw 6 and above. Also backup file (PrintMaster Gold) |
| .ABR | Brush file for Adobe Photoshop |
| .ACT | Adobe Photoshop Color table file. |
| .AD | After Dark file. |
| .ACL | MS Spelling Auto Correct List |
| .AIS | Velvet Studio Instruments |
| .ADM | After Dark screen saver module. |
| .ADR | After Dark randomizer |
| .AI | Adobe Illustrator file. |
| .AIF | Auto Interchange File Format (AIFF) Audio file. |
| .ANI | Windows 95 / Windows 98 / Windows NT animated mouse cursor file. |
| .ANS | ANSI text file. |
| .ARJ | Compressed file can be used with Winzip / Pkzip. |
| .ASC | ASCII Text file |
| .ASP | Microsoft FrontPage Active Server Pages. |
| .AVI | Windows Movie file (Audio/Visual Interleave). |
| .ASX | Cheyenne Backup Script |
| .ARF | BM Compiler Auto. Response File |
| .AAS | Authorware Shocked Packet File |
| .AAM | Authorware Shocked File |
| .AVR | Audio Visual Research Sound |
| .ATT | AT&T Group 4 Bitmap |
| .ASV | DataCAD Autosave File |
| .ASO | Astound Dynamite Objects |
| .ADP | Astound Dynamite File |
| .ASM | Assembly Source Code File |
| .ARI | Aristotle Audio File |
| .ARC | Arc Archive |
| .AIF | Apple IFF Sound |
| .AFM | Adobe Font Metrics (DESQview) |
| .ABF | Adobe Binary Screen Font |
| .ART | Crayola Image |
| .AMF | Dual Module Player Music |
| .ABK | Corel Draw AutoBackup File |
| .ADF | Extended ISA Adapter File |
| .APR | Lotus Approach 97 File |
| .APC | Lotus 123 File |
| .AWD | FaxView Document |
| .AGA | Agenda File |
| .AD | After Dark Screensaver |
| .ADR | After Dark Randomize Screensaver |
| .ADM | After Dark MultiMod. Screensaver |
| .ADA | Ada Source Code File (non-GNAT) |
| .ADS | Ada Source Code File (GNAT) |
| .AMG | Actor Program Lang. System Image |
| .ASP | Active Server Page |
| .AVB | MS Chat Animated Character. Also Inculan Anti-Virus virus infected file. |
| .ANM | Lucas Arts Animation |
| .ACP | MS Office Assistant Preview |
| .ACM | MS Windows Audio Converter |
| .ANI | MS Windows Animated Cursor |
| .ACT | MS Office Assistant Actor |
| .BIF | Binary Image File |
| .BIN | Binary Data File |
| .BNK | Ad-Lib Instrument Bank |
| .BSP | Id Software Game Map (Quake) |
| .BAK | Backup file used for important windows files usually used with the System.ini and the Win.ini. |
| .BAS | QBasic program and or Visual Basic Module. |
| .BAT | Batch file that can perform tasks for you in dos, like a macro. |
| .BFC | Microsoft Windows 95 / Windows 98 Briefcase file. |
| .BG | Backgammon game file. |
| .BIN | Translation tables for code pages other than the standard 437, System Driver. |
| .BGI | Borland Graphics Interface |
| .BPL | Borland Delphi 4 Packed Library |
| .BUD | Quicken Backup Disk |
| .BLK | Show Partner Block File |
| .BFC | MS Windows Briefcase Document |
| .BK(2-9) | Word Perfect for Windows Backup file |
| .BMP | Graphical Bit Mapped File used in Windows Paintbrush. |
| .BNK | Sim City Backup |
| .BPS | Microsoft Works Word Processor File. |
| .BPT | Corel Draw Bitmap master file |
| .BV(1-9) | Word Perfect for Windows Backup file |
| .BUN | CakeWalk Audio Bundle File |
| .BQY | BrioQuery File |
| .C | C file used with the C programming language. |
| .CAB | Cabinet file used in Windows 95 and Windows 98 that contains all the windows files and drivers. |
| .CAL | Windows Calendar, Supercalculator4 file or Supercal spreadsheet. |
| .CAS | Comma-delimited Text File, also CSV |
| .CBL | COBOL Program File |
| .CCA | CC:Mail Archive |
| .CAM | Casio Camera Image |
| .CPP | C/C++ Source Code File |
| .CBT | Computer Based Training files. |
| .CDA | CD Audio Player Track. |
| .CDR | Corel Draw Vector file. |
| .CHK | Scandisk file which is used to back up information that scandisk has found to be bad, found in C root. |
| .CLA | Java Class file. |
| .CMD | Windows Script File also OS/2 command file. |
| .CMV | Corel Movie file. |
| .CPL | Windows 95 / Windows 98 / Windows NT control panel icons. |
| .CNE | Configuration file that builds .COM files. |
| .CNF | Configuration file. |
| .COB | COBOL source code file. |
| .COD | FORTRAN Compiler program code |
| .COM | File that can be executed like an EXE file. |
| .CPE | Fax cover page file |
| .CPI | Code Page Information or Microsoft Windows applet control panel file |
| .CPP | C++ source code file. |
| .CGM | Computer Graphics Metafile(Text) |
| .CFG | Configuration File |
| .CNF | Configuration File |
| .CCH | Corel Chart File |
| .CGG | Cricket Graph Graphic |
| .CGD | Cricket Graph Data |
| .CMF | Creative Music File |
| .CGM | Computer Graphics Metafile(Text) |
| .CFG | Configuration File |
| .CNF | Configuration File |
| .CCH | Corel Chart File |
| .CGG | Cricket Graph Graphic |
| .CGD | Cricket Graph Data |
| .CMF | Creative Music File |
| .CUR | Windows Mouse Cursor. |
| .CUE | MS Windows Cue Cards |
| .CLP | MS Windows Clipboard File |
| .CRD | MS Windows Card File |
| .CXX | C++ program file or Zortech C++ file |
| .CAT | MS Compatibility Database or IntelliCharge Categorization |
| .CCL | Intalk Comm. Command Lang. File |
| .COD | MS Compiler Compiled Source Code |
| .CAG | MS ClipArt Gallery |
| .CB | MS Clean Boot File |
| .CRF | MS Assembler Cross Reference |
| .COB | COBOL Source Code File |
| .CRS | World Tour Golf Course Data File |
| .CLB | PCMCIA Configuration Library |
| .CLR | Show Partner Color Palette File |
| .CDA | CD Audio Track |
| .CPE | MS Windows Fax Cover |
| .CHK | MS ScanDisk/CHKDSK Fragment File |
| .CHI | MS Windows Help Global Index |
| .CNT | MS Windows Help Contents Table |
| .CHT | Harvard Graphics Chart |
| .CMD | Command File |
| .CFT | Animation Studio File |
| .COL | MS Multiplan Spreadsheet |
| .CTX | Microsoft Course Text File |
| .CDR | Corel Draw Raster |
| .CSS | MS IE Cascading Style Sheet |
| .CUT | Dr Halo Bitmap |
| .CGT | Cricket Graph Slide |
| .CPI | MS DOS Code Page Information |
| .DSW | MS Developer Studio Workspace |
| .DSP | MS Developer Studio Project File |
| .DBG | MS Debug Information File |
| .DB | Borland Paradox Database Table |
| .DBD | Norton Demonstration Data File |
| .DMF | MS Windows Disk Map File |
| .DBF | MS Query Database |
| .DXR | Adobe Acrobat File (Intel) |
| .DES | MS Access Description, File Investigator Descriptions |
| .DIC | MS Spell Checker Dictionary |
| .DEP | MS Setup Wizard Dependency File |
| .DBI | IBM OS/2 Bitmap |
| .DCX | Fax Job Bitmap |
| .DAT | Data file, also MS Windows Registry. |
| .DBF | Dbase II,III,III+,IV / LotusWorks database. |
| .DEV | Device Driver |
| .DIF | Document Interchange Format; VisiCalc |
| .DLL | Dynamic Link Library file allows 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. |
| .DMO | Demo file |
| .DMP | Dump file |
| .DEF | MS Visual C++ Definition File |
| .DTF | Symantec Q&A Database File |
| .DOC | MS Word, MS Write, Windows, DOS, LotusWorks word processor, S:First Choice, document file. |
| .DBF | dBase III+ Database File |
| .DIF | Data Interchange Spreadsheet |
| .DGS | DOS Diagnostics File |
| .DEV | DOS Device Driver Install File |
| .DBT | dBase Text Database Information |
| .DOS | Text file and DOS Specification Info |
| .DOT | Microsoft Word Template (Macro). |
| .DRV | Device driver files that makes hardware work with Windows, such as keyboard, mouse, printer cd drive, etc. |
| .DRW | Micrografx Designer Drawing |
| .DIR | Macroia Director File |
| .DCR | Macro ia Director File |
| .DUN | Dialup Networking exported file. |
| .DIS | Symantec Q&A Startup File |
| .DIZ | File ID text file. |
| .DSN | OrCAD Capture CIS Database Conf. |
| .DBC | OrCAD Capture CIS Database Conf. |
| .DFM | Palantir Filer Data Entry Form |
| .DBS | SQL Windows Database File |
| .DCT | SpellStar Dictionary File |
| .DXB | AutoCAD Drawing Exchange Binary |
| .DXF | AutoCAD Drawing Exchange (ASCII) |
| .DWG | AutoCAD Drawing |
| .DYN | Lotus 1-2-3 file |
| .EX_ | InstallShield Archive |
| .EEB | Button bar for Equation Editor in Word Perfect for Windows |
| .EFT | CHIWRITER high resolution screen characters |
| .EGA | EGA screen characters for Ventura Publisher |
| .ELG | Event List text file used with Prosa |
| .EMS | Enhanced Menu System configuration file for PC Tools |
| .EMU | IRMA Workstation for Windows emulation |
| .ENC | ADW Knowledge Ware Encyclopedia |
| .END | Corel Draw Arrow Definition file |
| .ENG | Sprint dictionary file engine |
| .ENV | Envoy Document |
| .EPS | Encapsulated PostScript Preview |
| .EPI | Encapsulated PostScript Document EPS |
| .ENV | Word Perfect for Windows environment file. |
| .EPS | Encapsulated Postscript, with embedded TIFF preview images. |
| .EQN | Word Perfect for Windows Equation file |
| .ERD | Entity Relation Diagram graphic file |
| .ERM | Entity Relation Diagram model file |
| .ERR | Error log file |
| .ESH | Extended Shell Batch file |
| .ETF | Enriched text format for mail messages. |
| .EVT | Event file scheduler file for PC Tools |
| .EX3 | Device driver for Harvard graphics 3.0 |
| .EMU | BITCOM Terminal Emulation File |
| .EXC | QEMM exclude file from optimization file or Rexx program file |
| .EXE | Executable file / PK Arc Self Extracting Archive. |
| .EXT | Extension file for Norton Commander |
| .FLI | AutoDesk Animator Flic |
| .FMT | MS Schedule+ Print File |
| .FMT | dBase III+ Screen Format |
| .FTM | Modular Sound File |
| .FRM | Microsoft Visual Basic Form, Database Form File |
| .FIH | File Investigator Help File |
| .FLM | Stunt Island Film |
| .FTX | TextCraft Document |
| .FOR | FORTRAN Source Code File |
| .FND | MS Find Saved Search |
| .FTS | MS Windows Help Full Text Search |
| .FNT | Lotus 123 Font |
| .FDF | Adobe Acrobat Forms Document. |
| .FON | Font files to support display and output devices. |
| .GIF | CompuServe Graphics Interchange Format. |
| .GR2 | 286 grabbers that specify which font to use with DOS and Windows. |
| .GR3 | 386 grabbers that specify which font to use with DOS and Windows. |
| .GRA | Microsoft Flight simulator graphics file |
| .GMF | USA 98: Streets & Dest. Map File |
| .GAP | PhotoImpact Pencil Style |
| .GAL | PhotoDeluxe Clipart Gallery |
| .GX1 | Show Partner Screen Capture File |
| .GEO | Geoworks file |
| .GUI | Guide Document |
| .GEM | GEM Metafile Image |
| .GID | MS Windows Help Global Index |
| .GM | AutoLogic Picture |
| .GOB | Dark Forces Data file |
| .GRB | Microsoft MS-DOS shell monitor |
| .GRF | Micrografx draw/graph files. |
| .GRP | Microsoft Program Group / DESQview Group file. |
| .GZ | Compressed Archive file for GZip |
| .HBK | Mathcad handbook file |
| .HDL | Procomm Plus alternate download file listing |
| .HDR | Procomm Plus message header |
| .HDX | Help index |
| .HEX | Hex dump |
| .HFI | GEM HP font info |
| .HGL | HP graphics language graphic |
| .HH | C++ Header |
| .HQX | BinHex Archive |
| .HPK | Id Software Internal Data 3.0 |
| .HYP | Hyper Archive |
| .HOT | Mosaic Hot List |
| .HT | MS HyperTerminal Shortcut |
| .HXX | Source Code Header/Include File |
| .HHH | Precompiled Header for Power C |
| .HHP | Help data for Procomm Plus |
| .HLP | Files that contain the Help feature used in windows, cannot be read from DOS. |
| .HTM | Web pages found on the Internet. |
| .IND | Index File |
| .ICN | Windows Icon Manager. |
| .ICO | Windows Icondraw / Icon. |
| .ID | Disk identification file. |
| .IFF | IFF/LBM (Amiga) used by Computer Eyes frame grabber. |
| .IMG | GEM/IMG (Digital Research) ADEX Image or Ventura Publisher bitmap graphic |
| .ILK | MS Linker Database |
| .IDE | Borland C++ Project File |
| .IDX | MS Outlook Express Email Index |
| .INS | MS Windows Install Script, NetWare Installation Start |
| .ISU | MS Windows Uninstall Script |
| .IBK | Sound Blaster Instrument Bank |
| .IBD | PDS Picture |
| .ICM | MS Image Color Matching Profile |
| .ICW | MS IExplorer Connection Wizard |
| .INT | IBM Pascal Interface File |
| .IMP | IBM Pascal Implementation File |
| .INF | Information file that contains customization options. |
| .INI | Files that initialize Windows and Windows apps. |
| .JAS | Graphic |
| .JPG | Graphic commonly used on the Internet and capable of being opened by most modern image editors. |
| .JS | JavaScript source code file. |
| .KAR | Karaoke File used with some audio players. |
| .KBD | Write Keyboard Configuration |
| .QIC | Backup file for Windows backup. |
| .LGO | Contains the code for displaying the screen logo. |
| .LOG | Contains the process of certain steps, such as when running scandisk it will usually keep a scandisk.log of what occurred. |
| .LNK | MS Windows Shortcut/Link, HTML link file used with Microsoft Internet Explorer. |
| .LIB | Compiler Library file |
| .LAN | NetWare Loadable Module and an Erdas Image file. |
| .LBR | LU Archive |
| .LST | List File (Text) |
| .LHA | LHarc Archive |
| .LZA | Animation file format. |
| .LZH | Archive file format. |
| .LZS | Larc Archive |
| .LYR | Lyra MIDI Music |
| .LGO | MS Windows 3.x Logo |
| .LAY | SuperKey Layout File |
| .LBL | dBase Label File |
| .MEM | dBase Memory File |
| .MVE | Fanta Vision Movie |
| .MDL | Id Software Game Model (Quake) |
| .MDM | MS Access Modem File |
| .MNU | MS Access Menu File |
| .MAC | Macintosh macpaint files, SuperKey Keyboard Macro. |
| .MID | Midi orchestra files that are used to play with midi sounds built within the sound card. |
| .MOD | Winoldap files that support (with grabbers) data exchange between DOS apps and Windows apps. |
| .MOV | File used with Quick Time to display a move. |
| .MP3 | High compressed audio files generally used to record audio tracks and store them in a decent sized file available for playback. |
| .MPG | MPEG movie file. |
| .MSI | Microsoft Install file. |
| .MTF | Windows metafile. |
| .MDB | MS Access Database/Template/Add. |
| .MDZ | MS Access Database Wiz. Template |
| .JOB | File Invesigator Script Commands |
| .JOR | SQL Windows Journal File |
| .MMD | Modular Sound File |
| .MBX | MS Outlook Express Email Folder |
| .MCC | MS Network Shortcut |
| .MMM | MS Multi Media Movie |
| .MAK | Source Code Make File |
| .MNY | MS Money Data |
| .MSP | MS Paint Bitmap |
| .MSG | Novell Message File, String Data Resource File |
| .MAP | PhotoImpact Color Map |
| .MCW | MS Word for Macintosh Document |
| .MSS | Music Studio File |
| .MIX | MS Windows Sound Mix |
| .MDX | MS Query Database Index |
| .MPP | MS Project File |
| .MTM | MultiTracker Module Music |
| .MOV | QuickTime Movie (also used QTM) |
| .NFO | .NFO file is an ID text file for zipfiles. |
| .NET | Borland Paradox Network Config. |
| .NOT | Musician I File |
| .NCD | Norton Utilities Directory Tree |
| .NAV | Norton Antivirus Data File |
| .NDX | dBase Index |
| .NWS | MS Outlook Express News Message |
| .NCH | MS Outlook Express Email Tree |
| .NLS | MS Language Character Set |
| .NDX | Indexed file for most databases. |
| .NUM | File used with some Software Manufactures to store technical support numbers or other phone numbers, should be readable from DOS and Windows. |
| .OLD | Used for backups of important files incase they are improperly updated or deleted. |
| .ORG | CMS Organ Data file |
| .OVD | Borland Paradox Overlay File |
| .OBJ | Compiler Object file |
| .OBD | MS Office Binder Doc/Temp./Wiz. |
| .OPJ | OrCAD Capture Project |
| .OVL | Program Overlay (also used OVR) |
| .OCX | MS Windows Library (32 bit) |
| .PAT | Gravis Ultrasound Patch |
| .PWL | MS Windows 95 Password List File |
| Novell Print Definition File | |
| .PAS | Pascal Source Code File |
| .PCR | PCR Graphic Image |
| .PUB | PageMaker Publication |
| .PT3 | PageMaker 3.0 File |
| .PM3 | PageMaker 3.0 Document |
| .PPS | Power Point Slide Show File |
| .PDB | MS Visual C++ Program Database |
| .PBM | Portable BitMap Image (Binary) |
| .PRF | Sierra Game Data File |
| .PAK | PK Pak Archive |
| .PRD | MS Word for DOS Printer Def. |
| .PCH | MS Visual C++ Precompiled Header |
| .PRJ | Harvard TPM Project, Turbo C Project File |
| .PZL | Lode Runner Puzzle Set |
| .PAB | Personal Address Book, file used with Microsoft Outlook. |
| .PCX | Microsoft Paint & PC Paintbrush Windows/DOS. |
| .PNS | MS Program Information |
| .PPT | MS PowerPoint |
| .PCS | MS Pictures |
| .PST | MS Personal Address Book File |
| .PFM | Adobe Printer Font Metrics |
| .PFB | Adobe PostScript Font (Binary) |
| .PAK | Id Software Internal Data(Quake), now also used by NASCAR Racing game as a pack file to repack the layout.dat and other files after modification. |
| .PAT | File Investigator Patterns, MultiMate 3.3 Document |
| .PAL | Color palette file type used by many graphics programs. |
| .PRG | dBase III+ Program File |
| .PAB | MS Personal Address Book |
| Adobe Acrobat Reader file which can only be read by Adobe Acrobat. | |
| .PIC | Dr. Halo Picture / Viewer Frame Class, Micrografx Picture. |
| .PIF | Program Information File that configures a DOS app to run efficiently in windows. |
| .PJF | Paintjet soft font file. |
| .PS2 | File to support the Micro Channel Architecture in 386 Enhanced mode. |
| .PSD | Adobe Photoshop image file. |
| .PST | Post Office Box file used with Microsoft Outlook usually mailbox.pst unless named otherwise. |
| .PWL | Password file used in Windows 95 and Windows 98 is stored in the Windows directory. |
| .QT | Quick Time Movie File. |
| .QFX | QuikLink 2 Fax Document |
| .RA | Real Audio file. |
| .RAS | CALS Raster Image, Sun Raster Image |
| .ROL | Ad-Lib Composer Music |
| .RAM | Real Audio file. |
| .REC | Sound file used with Windows Sound Recorder. |
| .RLE | Windows Run Length Encoded (Run Length Encoded (bitmap format) file that contains the actual screen logo). |
| .RMI | Microsoft RMID sound file. |
| .RAW | HSI Raw Picture |
| .RGB | Real Pool Image |
| .RTL | HP RTL Picture |
| .RTF | (RICH TEXT FORMAT). |
| .RTS | Id Software Internal Data (Doom) WAD |
| .RES | MS Visual C++ Compiled Resources |
| .RGS | MS Visual C++ Registry Source |
| .RUL | CC:Mail Rule |
| .RES | MS Windows Resource |
| .SOU | Lucas Arts Sound |
| .SAD | Lucas Arts Sound |
| .SLK | Symbolic Link (SYLK) Spreadsheet |
| .STY | MS Word for DOS Style Sheet |
| .SAV | File that usually contains saved information such as a saved game. |
| .SC2 | Maps used in Sim City 2000. |
| .SCP | Dialup Networking script file. |
| .SCR | Source files for the .INI files, or sometimes may be used as screen savers. |
| .SMI | CC:Mail Smart Icon |
| .SLK | Multiplan. |
| .SOM | Borland Paradox Sort Information |
| .SCP | BITCOM Dial-Up Script File |
| .SRF | Bezerk Acrophobia Data File |
| .SNM | Netscape News/Mail Messages |
| .SDR | Print Shop/Print Master Images |
| .SHP | Print Shop Art, Software Toolworks Image |
| .SBI | Sound Blaster Instrument |
| .SBR | MS Visual C++ Debug File |
| .SNX | Slide Show Image |
| .SWF | Shockwave Flash Object |
| .SGI | SGI Bitmap Image |
| .SEA | Sea Archive |
| .SIT | StuffIt Mac Archive |
| .STK | Sticker Store Sticker |
| .SYM | Symbolic Debugging Definitions |
| .SMP | PhotoImpact Clipart Images |
| .SYN | Word Finder Synonym File |
| .SND | DEC/NeXT/Sun/UNIX Sound, Music Studio Sound, SoundTool Sound file, Interplay Sound |
| .SET | Borland Paradox Settings File |
| .SF? | Bitstream Printer Font |
| .SQZ | Archive file format. |
| .SPD | Bitstream Font |
| .SWF | Macromedia Flash file. |
| .SWP | Extension used for the Windows Swap File usually Win386.Swp. |
| .SYS | System and peripheral drivers. |
| .TGA | Targa file |
| .TLB | MS Windows Type Library |
| .TSC | MS Windows Help Text Search |
| .TTF | MS Windows 3.1 True Type Font, OS/2 True Type Font |
| .TBB | MS Windows Office Toolbar Button |
| .TPU | Turbo Pascal Unit |
| .TD0 | TeleDisk Archive |
| .TGA | Targa Bitmap Image |
| .TIP | MS Tip of the Day File |
| .TIF | Tag Image Format that includes most 24-bit color. |
| .TMP | Temporary files. |
| .TRM | Windows Terminal. |
| .TBK | Asymetrix Toolbook Database |
| .THE | Windows Desktop Theme file. |
| .TXT | Text file that can be read in Windows Notepad or from DOS by using Edit, Type, or Edlin. |
| .URL | File used with some browsers such as Internet Explorer linking you to different web pages. Internet Shortcut. |
| .URT | Utah Raster Toolkit Image |
| .U98 | USA 98: Streets & Dest. Tour |
| .UMX | Unreal Game Data File |
| .VAL | Validation file |
| .VOC | Creative Voice Sound |
| .VRW | Virtual Reality World Script |
| .VCF | Virtual Business Card File |
| .VBS | Visual Basic Script file for quick programs and in some cases can be used as a virus file. |
| .VXD | Windows 95/98 virtual device driver file. |
| .WAB | MS Windows Address Book |
| .WAD | Id Software Patch (Doom) |
| .WAV | Sound files in Windows open and played with sound recorder. |
| .WDM | Win32 Driver Model. |
| .WRK | Lotus 1-2 31.0,1.01,1.1/ Symphony 1,1.01. |
| .WKS | Lotus 1-2-3 Rel lA,2.0,2.01, also file used with Microsoft Works. |
| .WK1 | Lotus 1-2-3 all versions / LotusWorks spreadsheet. |
| .WK3 | Lotus 1-2-3 for Windows /Lotus 1-2-3 Rel.3. |
| .WFN | Corel Draw Font |
| .WMF | Windows Metafile. |
| .WPS | MS Works Document |
| .WDB | MS Works Database |
| .WPD | WordPerfect Windows/DOS, also MS Windows Printer Driver. |
| .WPG | WordPerfect Graphical files Windows/DOS. |
| .WBM | MS Windows Welcome Bitmap |
| .WPS | MS Works word processor Windows/DOS. |
| .WRI | Symphony l.1,1.2,2 / Microsoft Write file. |
| .WS1-7 | WordStar for Windows Document |
| .WSD | WordStar 2000 Document |
| .WPT | WordPerfect Template |
| .WPM | WordPerfect Macro |
| .WPG | WordPerfect Graphic Image |
| .WMF | MS Windows MetaFile (placeable) |
| .WRL | Virtual Reality World (ASCII) |
| .XWD | Window Dump Image |
| .XLW | MS Excel Workspace/Workbook |
| .XLM | MS Excel Macro |
| .XLD | MS Excel Dialogue |
| .XLC | MS Excel Chart |
| .XLK | MS Excel Backup |
| .XWP | Cross Talk for Windows PhoneBook |
| .XLL | MS Excel Add-in File |
| .XLT | Lotus 123 File |
| .XLB | Microsoft Excel File. |
| .XLS | Microsoft Excel File. |
| .XML | Extensible Markup Language |
| .YUV | Colour space pixel formats used in PC video. |
| .ZIP | Compressed file that can hold thousands of files. To extract all the files Pkzip or Winzip will need to be used. |
| .ZFS | Battle Zone Data File |
| .ZOO | Zoo Archive |
Back to the Learning Page
Copyright © 1997,1998,1999, 2000 Power Surfers ® All Rights Reserved.
This site is for information and service purposes only.
Graphics © by their respective owners, graphics credited if known.
Power Surfer graphics made by Marvin K. Jurgens copyright © 2000.
All referenced brand and product names are trademarks,
registered trademarks or service marks of their respective holders.