Windows File Association Restore
http://www.dougknox.com/xp/file_assoc.htm
http://www.fileinfo.net/

 

http://www.computeruser.com/resources/dictionary/filetypes.html
This is a printer-friendly page. You may want to print this page for reference.
Vedi Anche

.$$$  .### Temporary file
.2GR A file that allows Windows to display text and graphics in standard mode on a 286 or 386 computer (filename extension).
.386 Swap file; enables computer running in enhanced mode to use Windows with virtual memory (filename extension).
.3GR A file that allows Windows to display text and graphics in enhanced mode on a 386, 486, or Pentium computer (filename extension).
.906 Calcomp plotter
.A3W MacroMedia Authorware Windows 3.5 (filename extension).
.AAC File musicale secondo lo standard Advanced Audio Coding (codec AAC - utilizzato da iTunes, iPod e alcuni cellulari)
.ABK AutoBackup, Corel Draw (filename extension).
.ABR Brush - Adobe Photoshop (filename extension).
.AC3 file audio con audio cinematografico, per esempio DVD-Video
.ACL Keyboard accelerator, Corel Draw 6 (filename extension).
.ACM Windows system directory file (filename extension).
.ACV Drivers for compressing or decompressing audio files, OS/2 (filename extension).
.AD After Dark
.ADB 1. Appointment DataBase, HP 100LX (filename extension). 2. Body file type, Ada language (filename extension).
.ADD Adapter Driver - OS/2 (filename extension).
.ADM AfterDark MultiModule (filename extension).
.ADR AfterDark Randomizer (filename extension). AfterDark is a screensaver program that can be set to randomly display a variety of screensaver patterns one after another.
.ADS Specification file type, Ada language (filename extension).
.AFM Adobe Font Metrics - Type 1 font metrics (filename extension).
.AG4 Access G4
.AI Adobe Illustrator
.AIF Audio Interchange File Format or AIFF (filename extension). A format developed by Apple Computer for storing high-quality sampled audio and musical instrument information. It can be played on PC and Mac.
.aiff Audio Interchange File Format. An uncompressed sound format developed by Apple Computer for storing high-quality sampled audio and musical instrument information. It can be played on PC and Mac, using QuickTime or Sound Player.
.ALL Arts and Letters Library (filename extension).
.ANI Animated cursor (filename extension).
.ANS ANSI text (filename extension).
.API Application Program Interface (filename extension). An interface between the operating system and application programs.
.APP MacroMedia Authorware package (filename extension).
.ARC ARC or ARC+ compressed
.arj
.ar0
.ar1
A PC compressed format found on European sites (filename extension), which can be decoded with unArjMac, DeArj, and SITEX10.EXE (win).
.ART An art file, in some draw or paint applications (filename extension).
.ASC ASCII text file
.ASF Active Streaming File - HoTMetaL Pro (filename extension).
.ASM Assembly Source Code
.ASP Active Server Page - Microsoft (filename extension).
.AST Assistant file - Claris Works (filename extension). Assistants guide the user through a task by asking a series of questions and then use the answers to perform a task. Assistants in Claris Works can be used to create such useful items as calendars, newsletters, stationery, labels, and address lists, to make footnotes within a file, to find documents, etc.
.ATT AT&T
.AU A sound file format used on Sun Microsystems or other UNIX computers
.AVI AVI movie format
.AVS Intel video capture format (filename extension).
.b64 Base 64 (filename extension), the encoding format used by the Multipurpose Internet Mail Extension.
.BAK Backup copy in DOS or OS/2
.BAS BASIC program file
.BAT Batch (file di testo con comandi eseguiti uno dopo l'altro)
.BFC Briefcase document - Windows 95 (filename extension).
.BG Backgammon game (filename extension).
.BI Binary file (filename extension).
.BIN Driver (parte di un programma, può contenere anche dati)
.bin A MacBinary II encoded file (filename extension). This file type, downloaded as MacBinary or Binary, can be decompressed with Stuffit Expander.
.BK Backup copy
.BK$ Backup file (filename extension).
.BLT Wordperfect for DOS (filename extension).
.BMP Bitmap
E' il formato grafico raster nativo di Windows. Supporta profondità di colore di 24 e di 32 bit, ma non censente la memorizzazione di alcun tipo di trasparenza o di maschera, nè permette di inserire nel file dati accessori, come l'autore o commenti all'immagine. Non permette di comprimere i file, e crea file molto grossi.
.BNK Sim City game file (filename extension).
.BRX Browse Index (filename extension). Found on multimedia CD-ROMs.
.BTM Batch file - Norton Utilities (filename extension).
.C C program file
.CAB Microsoft compressed format
.CAL Calendar or CALS
.CAP Caption
.CBT Computer-Based Training; a tutorial file (filename extension).
.CCH Corel chart (filename extension).
.CCM Lotus cc:Mail (filename extension).
.CDA CD Audio track (filename extension).
.CDR CorelDraw
.CDT Corel Draw template (filename extension).
.CDX Corel Draw compressed file (file extension).
.CDX Visual FoxPro database index (filename extension).
.CFB Compton’s multimedia encyclopedia (filename extension).
.CFG Configuration
.CFL Corel Flow (filename extension).
.CGI Common Gateway Interface (filename extension). A file that makes it possible for HTTP servers to interface with computer programs to provide interactive functions like fill-out forms.
.CGM CGM graphics
.CHK Checkdisk - DOS
.CHM Microsoft HTML Help (aiuto al programma)
.CHP Chapter - Ventura
.CIF Chapter Information - Venture
.CIM Sim City file (filename extension).
.CIT Intergraph scanned image
.CLP Clipboard
.CMD Command file -- OS/2
.CMF Corel MetaFile (filename extension).
.CMF SoundBlaster file (filename extension).
.CMP LEAD Technologies graphics
.CMV Corel Move animation (filename extension).
.CNF Configuration file (filename extension).
.CNQ Compuworks Design Shop (filename extension).
.COB COBOL source code
.COM Command file - small version of .EXE
.CPE Fax Cover document (filename extension).
.CPI Code Page - DOS
.CPL Control Panel - Windows (pacchetto di programmazione)
.CPP C++ program file
.CPR Knowledge Access graphics
.CPT Compact Pro
.CPX Corel Presentation Exchange compressed file (filename extension).
.CRD Windows Cardfile (filename extension).
.CSC Corel Script (filename extension).
.CSS Cascading Style Sheet (filename extension).
.CSV Comma separated value (dati di tabelle separati da virgole)
.CTL Control file (filename extension).
.CTY City file - SimCity (filename extension).
.CUR Windows cursor image
.CUT Dr. Halo graphics
.CV Microsoft CodeView (filename extension).
.CWK Claris Works (filename extension).
.CWS Claris Works template (filename extension).
.DAT - Data (impostazione di Windows (registro di sistema) - Regedit
- Video su Video-CD
.DB Table - Paradox
.DBC Visual FoxPro database (filename extension).
.DBF Database File - dBASE
.DBT Database text - dBASE
.DBX DATABEAM graphics
.DCA IBM text
.DCS Color Separation - EPS
.DCT Dictionary
.DD Disk Doubler
.DDI Disk Doubler Image (filename extension).
.DEF Definition - C++ (filename extension).
.DER Certificate (filename extension).
.DEV Device driver file (filename extension).
.DG Autotrol graphics
.DGN Intergraph graphics
.DIB DIB graphics - Windows
.DIC Dictionary
.DIF Data Interchange Format spreadsheet
.DLL Dynamic link library (componente di Windows)
.DOC Document file (file di testo creato da Word)
.DOT Document Template - Microsoft Word (filename extension). - modello di documento
.DOX MultiMate document
.DPI Dots Per Inch - graphics
.DPR Delphi project file (filename extension).
.DRV Driver
.DRW Designer graphics
.DS4 Designer graphics, version 4
.DSF Designer graphics, version 6
.DV Video da telecamera digitale
.DWG AutoCAD vector format
.DWG Drawing - AutoCAD (filename extension).
.DX Document Imaging
.DXF AutoCAD vector format
.ED5 EDMICS graphics
.EMF Enhanced Windows Metafile (filename extension).
.EML Electronic mail
.ENC Encoded
.EPS Encapsulated PostScript format - grafico e file di stampa (può essere anche un driver)
.ESI Esri plot file
.EXE Executable file -- machine code
.FAX Fax
.FDX Force Index
.FH3 Aldus Freehand 3 (filename extension).
.FLC AutoDesk animation
.FLD Thumbnail folder - Hijaak
.FLI AutoDesk animation
.FLR Live3D (filename extension).
.FLT Filter - graphics conversion
.FM Framemaker (filename extension).
.FM3 Format for 1-2-3 Version 3
.FMT Format - dBASE
.FNT Font
.FOG Fontographer font (filename extension).
.FON 1. Bitmapped Font - Windows 2. Phone
.FOR FORTRAN
.FOT Windows TrueType font
.FOX FoxBase
.FP Claris FileMaker Pro (filename extension).
.FP1 Flying Pigs (filename extension).
.FP3 Filemaker Pro 3
.FPX FlashPix bitmap (filename extension).
.FRM Form design -- Visual Basic
.FRS WordPerfect Graphics Driver
.G4 GTX RasterCAD
.GCA GOCA graphics
.GED Arts & Letters graphics
.GEM GEM graphics
.GEO VideoScope (filename extension).
.GIF Graphics Interchange Format
Formato rester limitato a un massimo di 256 colori. Usa l'algoritmo di compressione LZW. con questo formato, le immagini con più di 256 tinte, sono quindi ridotte a 256 colori in maniera distruttiva e poi compresse. Il formato è disponibile in due versioni, denominato GIF87a e GIF89a; quest'ultima, supporta la trasparenza di un colore e l'associazione di dati accessori all'interno del file.
.GLY Glossary
.GP3 CCITT compressed Group 3 TIFF file (filename extension).
.GP4 Group 4 - CALS, ITU (filename extension). CCITT compressed Group 4 TIFF file.
.GRA Microsoft Graph (filename extension).
.GRF Graph
.GRP Group
.GX1 Show Partner graphics
.GX2 Show Partner graphics
.GZ GNU gzip compressed file - Unix
.H Header (filename extension -- C).
.HDF Hierarchical Data File
.HED HighEdit document (filename extension).
.HEL Microsoft Hellbender game file (filename extension).
.HGL HP Graphics Language (filename extension).
.HLP Help di Windows
.HPJ Help Project - Visual Basic (filename extension).
.HPL HP Graphics
.HQX BinHex (filename extension -- Macintosh).
.HST Host
.HT HyperTerminal (filename extension).
.HTM DOS filename extension for a document with HTML coding, which can be read by WWW browsers.
.HTML Filename extension for a document with HTML coding, which can be read by WWW browsers.
.HWP Hangul Word Processor (filename extension).
.HYC Hyphenation - WordPerfect
.HYP Hyphenation
.ICA IOCA graphics
.ICB Targa bitmap (filename extension).
.ICM Image Colour Matching (filename extension).
.ICO Icon - Windows or OS/2
.ICON Sun icon and cursor
.IDD Instrument Definition - MIDI (filename extension).
.IDE Integrated Development Environment configuration (filename extension)
.IDX Index
.IFF Amiga
.IFO Informazioni necessarie al lettore per la riproduzione di DVD-Video
.IGF Inset Systems graphics - Hijaak
.IIF Interchange File - QuickBooks for Windows (filename extension).
.IL Icon Library
.IMA Winimage compressed format These files can be decoded or mounted by ShrinkWrap.
.IMAGE Mac disk image (filename extension); a compressed format which can be decoded or mounted by DiskCopy, Disk Image Mounter, Disk Charmer, and ShrinkWrap (ImageMaster).
.IMG Image. This file is a Macintosh Disk Image. Disk Copy can be used to mount the disk image on the Macintosh desktop. The mounted disk image will behave like a read-only disk.
.IND Index
.INF Information (file di installazione per driver)
.INI Initialization - configuration settings (impostazioni per Windows e altri programmi
.IOB Imagine file (filename extension).
.ISO Immagine CD
.ISU Netscape file (filename extension).
.IT MOD music file format (filename extension).
.IW Idlewild screensaver (filename extension).
.IX Index File - Framemaker (filename extension).
:JAR programma in linguaggio Java
.JFF or .JFIF JPEG File Interchange Format; a 24-bit graphic format. It can be opened with QuickTime, a WWW browser, or a graphics viewer such as JPEGView.
.JIF JPEG Image Format (filename extension).
.JPEG JPEG bitmap (filename extension).
.JPG file extension for JPEG (Joint Photographic Experts Group). A file stored in JPEG format. JPEG,an ISO/ITU standard for storing images with high compression capability, uses a discreet cosine transform that can achieve compression rates of 100:1 (significant loss of data from original) and 20:1 (minimal loss). C-Cube Microsystems introduced the first JPEG chip.
E' il formato raster per antomasia, sicuramente il più usato grazie alla sua diffusione in internet e al suo impiego nelle macchine digitali. Supporta i 24 bit e comprime le immagini in maniera distruttiva, con un livello di intervento regolabile a volontà. 
.JS File con utility per siti Internet
.JT JT Fax
.JTF JPEG bitmap (filename extension).
.KDC Kodak Photo-Enhancer (filename extension).
.KFX Kofax
.LBL Label - dBASE
.LBM Deluxe Paint graphics file
.LDB Lock file - Microsoft Access (filename extension).
.LEG Legacy document (filename extension).
.lha Filename extension for a PC/Amiga compression format decodable by LHA Expander or MacLHA.
A DOS compression program. Compressed files have the extension .lhz.
.lhs Literate Haskell source file
.lhz LHA compression file
.LIB Library
.LIC License file - shareware (filename extension).
.LOG Log (file di rapporto, per esempio rapporto degli errori
.LST List (filename extension).
.LWP Lotus Word Pro document (filename extension).
.LZH LHARC compression
.lzs PC/Amiga compression format
.M3D Motion 3D - Corel (filename extension).
.M3U playlist per file musicali
.MAC MacPaint
.MAF Microsoft Access Form (filename extension).
.MAK Makefile
.MAM Microsoft Access Macro (filename extension).
.MAP Map - linkage editor
.MAQ Microsoft Access Query (filename extension).
.MAR Microsoft Access Report (filename extension).
.MAT Microsoft Access Table (filename extension).
MBX Message Base - Eudora (filename extension).
.MDB Database di Microsoft Access
.MCS MathCAD format
.MCW Microsoft Word for Macintosh (filename extension).
.MDB Access database
.MDX Multi-index
.MET Metafile - OS/2
.MEU Menu
.MFF MIDI File Format (filename extension).
.MGF Micrografx Draw Font (filename extension).
.MHT Sito internet completo con immagini
.MI Miscellaneous (filename extension).
.MIC Microsoft Image Composer (filename extension).
.MID MIDI - file musicale con istruzioni circa note e musica
.MIFF An ImageMagick file format
.MIL Group 4
.mime MIME (filename extension); the encoding format used by the Multipurpose Internet Mail Extension.
.MME Mime encoded file (filename extension); the encoding format used by the Multipurpose Internet Mail Extension.
.MMF Microsoft Mail File (filename extension).
.MMM Macromind animation
.MOD (For module). A music file format that contains digitized sound samples A .MOD file takes more memory than a MIDI file because a MIDI file contains instructions for making sounds but not the actual sound samples. There are .MOD players for Amiga, PC, and Macintosh computers.
.moov QuickTime movie. This file can be viewed with QuickTime Player.
   
.MOV Movie - QuickTime
.movie QuickTime movie. This file can be viewed with QuickTime Player.
.MOZ Mozilla - Netscape cache file (filename extension).
.mp2 MPEG Layer II compressed audio. This file can be played using QuickTime Player and some other sound players.
.mp3 MPEG Layer III compressed audio. This file can be played with QuickTime Player, Real Player, and some other sound players.
.MP4 video o musica compressi secondo lo standard MPEG-4
.MPE MPEG (filename extension).
.MPEG MPEG movie or animation file. This file can be played with QuickTime Player.
.MPG MPEG encoded file. This file is an MPEG movie, and can be played with QuickTime Player.
.MPNT Macintosh MacPaint
.MPP Microsoft Project project file (filename extension).
.MPT Microsoft Project template file (filename extension).
.MPX Microsoft Project export file (filename extension).
.MRK Markup - Informative Graphics
.MSG Message file - e-mail di Outlook
.MSI file di installazione per software
.MSN Microsoft Network document (filename extension).
.MSP Microsoft Paint
.MUS Music (filename extension).
.MVB Microsoft Multimedia Viewer (filename extension).
.MYS Myst saved game file (filename extension).
.NDX Index - dBASE
.NET Network file (filename extension).
.NG Norton Guides
.NLM NLM program - NetWare
.NRG File di immagine CD di Nero Burning Rom
.NTF Notes Template File - Lotus Notes database (filename extension).
.OAB Outlook Address Book - Microsoft (filename extension).
.OAZ OAZ Fax
.OBD Microsoft Office Binder (filename extension).
.OBJ Object module
.OCX Object Linking and Embedding (OLE) Custom Control (filename extension).
Elemento di comando (come pulsanti)
.OGG File musicale compresso
.OLB OLE Object Library (filename extension).
.OLE OLE object (filename extension).
.ONX Onyx Graphics Postershop (filename extension).
.ORI Original
.OVL Overlay module
.OVR Overlay module
.OZM Sharp Organizer memo bank
.OZP Sharp Organizer telephone bank
.P10 Tektronix Plot10
.PAB Personal Address Book - Microsoft (filename extension).
.PAK Quake game data (filename extension).
.PAL Paintbrush palette (filename extension).
.PAS Pascal program file
.PAT Pattern - Corel Draw (filename extension).
.PBK Microsoft Phonebook (filename extension).
.PBM Portable Bit Map
.PCD Photo CD format
.PCL HP LaserJet
.PCM LaserJet cartridge information
.PCS PICS animation (filename extension).
.PCT PC Paint
.PCW PC Write
.PCX 1. PC Paintbrush 2. Graphics file - Zsoft format
.PDF Pagine stampate e create con Adobe Acrobat
.PDG PrintShop Deluxe (filename extension).
.PDV PC Paintbrush printer driver
.PFA Type 1 font - ASCII
.PFB Type 1 font - encrypted
.PFM Postscript Font Metrics; Windows Type 1 font metrics
.PGL HPGL 7475A plotter - vector graphics
.PGM Portable Gray Map bitmap (filename extension).
.PHTML HTML document with preprocessing instructions (PPIs) (filename extension).
.PIC PICT graphics format, or PIXAR picture file
.PICT Macintosh QuickDraw/PICT This kind of file stores images in QuickDraw vector format. PICT2 can have grayscale bitmapped images also.
.PIF Program Information File - Windows
.PIT PackIt - Macintosh compression
.PIX Inset Systems graphics
.PJX Project file - Visual FoxPro (filename extension).
.PKG AppleLink package compression format These files are decodable by StuffIt Expander.
.PL Perl script (filename extension).
.PLT Plotter drawing (filename extension).
.PM PageMaker
.PM3 PageMaker 3 document
.PM4 PageMaker 4 document
.PM5 PageMaker 5 document
.PNG 1. Portable Network Graphics bitmap (filename extension). 2. Paint Shop Pro Browser (filename extension).
Sviluppato come alternativa gratuita al GIF, supporta i 24 bit. L'algoritmo per la compressione è di tipo lossless e inoltre il formato un canale alfa con 256 livelli, non la semplice trasparenza totale di un colore.
.POV Persistence Of Vision raytracer (filename extension).
.PPA PowerPoint Add-in - Microsoft (filename extension).
.PPD PostScript Printer Description
.PPM Portable PixelMap (filename extension).
.PPS PowerPoint Slideshow (filename extension).
.PPT PowerPoint presentation (filename extension).
.PRD Printer driver - Microsoft Word, Word Perfect, Microsoft Works (filename extension).
.PRG A dBASE source code file
.PRJ Project file
.PRN 1. Print file - temporary 2. XyWrite printer driver 3. PostScript file
.PRS WordPerfect printer driver
.PRT Formatted text
.PS PostScript. This is a plain text file.
.PSD Photoshop Document
Formato proprietario di Photoshop. E' uno standard ormai diffuso nel settore della grafica.
.PSP File di Paint Shop Pro
.PST E-mail, indirizzi e appuntamenti di Oulook
.PUB Publication - Ventura Publisher, Microsoft Publisher (filename extension).
.PWD Pocket Word document - Microsoft (filename extension).
.PWZ Microsoft PowerPoint Wizard (filename extension).
.PXL Microsoft Pocket Excel (filename extension).
.QBW QuickBooks for Windows (filename extension).
.QDK Quarterdeck Qemm (filename extension).
.QLB Quick Library (filename extension).
.QLC ATM font information
.QRY Microsoft Query (filename extension).
.QT QuickTime movie, binary file type (filename extension).
.QTM QuickTime Movie (filename extension).
.R8L LaserJet landscape font
.R8P LaserJet portrait font
.RA RealAudio
.RAM Real Audio
.RAS Raster graphics - Sun
.RAW Raw file format - bitmap (filename extension)
E' un formato per file di imamgini. In questo modo i dati di una foto arrivano direttamente dal chip fotografico senza essere elaborati dal processore. Per intervenire sui file RAW sono necessari programmi appositi.
.RC A filename extension found in many UNIX files (.newsrc, etc.) which means "run commands".
.REC Windows Recorder macro file (filename extension).
.REG Registration file (filename extension).- singole impostazioni di windows
.REP Report file (filename extension).
.RFT RFT-DCA (filename extension).
.RGB An SGI RGB image file
.RIA Alpharel Group IV raster graphics
.RIB Renderman graphics
.RIC Roch FaxNet
.RIF Fractal Painter bitmap (filename extension).
.RIFF Resource Interchange File Format A multimedia file format; the Microsoft equivalent to Amiga IFF format.
.RIX RIX virtual screen
.RLA Wavefront raster image
.RLC CAD Overlay ESP - Image Systems
.RLE Run Length Encoded
.RM Real Media.
.RMI RIFF MIDI file
.RND AutoShade format
.RNL GTX Runlength raster graphics
.RPT Report file (filename extension).
.RTF Rich Text Format - Microsoft text and graphics - testo con indicazioni circa la formattazione
.S Assembly language file - Unix
.S3M MOD music file (filename extension).
.SAM AmiPro
.SAV Saved game (filename extension).
.SBP IBM Storyboard graphics / Superbase text
.SC Source Code - Paradox
.SCM ScreenCam movie
.SCP Dial-up networking script (filename extension).
.SCR 1. Screensaver - Windows. 2. Screen Layout - dBASE. 3. Script for Apple's Disk Copy utility.
.SCT Screen Capture Text - Lotus
.SDL SmartDraw Library (filename extension).
.SDW testo con indicazioni circa la formattazione, può contenere anche immagini o tabelle (formato proprietario di StarOffice/OpenOffice
.SEA Self-Extracting Archive (Stuffit or Compact Pro)
.SEG Segment (of a compressed file saved in segments with Stuffit or Compact Pro)
.SEP TIFF bitmap (filename extension).
.SET Setup parameters
.SFL LaserJet landscape font
.SFP LaserJet portrait font
.SFS PCL 5 scalable font
.shar UNIX shell archive (filename extension), which can be decoded by Unshar.
.SHTML HTML file with embedded server-side includes (SSIs) (filename extension).
.SI SoftImage image file
.sig Signature A .sig file can be set up and automatically attached to outgoing email, newsgroup postings, etc. It includes the name and contact information of the sender, and may also have ASCII art, favorite quotes, etc.
.SIT Stuffit compressed file
.SLD AutoCAD slide
.SLK Symbolic Link (SYLK) spreadsheet (filename extension).
.SMI Self-Mounting Image. This file is a Macintosh Disk Image, similar to an .img file, but it does not require the use of Disk Copy. When the file is downloaded, a disk image appears on the desktop. The disk image will behave like a read-only disk.
.SND Sound file
.SNM Netscape mail (filename extension).
.SPD Speedo scalable font
.spx Screen Peace Extension
.SQB SyQuest Backup (filename extension).
.SRC A file used in the creation of .INI files for configuration settings (filename extension).
.STY Style sheet - Ventura
.SVX Amiga 8SVX sound (filename extension).
.SVG 
.SWF
Sono due formati vettoriali pensati per web e per tutti quegli ambienti dove è fondamentale la compattezza dei file di tipo grafico. L'SWF è il formato nativo di Flash (Macromedia). SVG (Scalable Vector Graphics) non è soggetto a diritti d'autore ed è stato formalizzato dal W3C come alternativa a SWF.
.SWP Swap - temporary file (filename extension).
.SYD Sysedit backup file (filename extension).
.SYL SYLK spreadsheet format
.SYNU SDSC Synu image
.SYS System file - file di windows, anche file di swap.
.TAL Adobe Type Align
.TAR Tar - Tape ARchive (filename extension). Tar is a UNIX method of archiving files, which can also be used by PCs. Tar archives files but does not compress them, so sometimes .tar files are compressed with other utilities, which produces extensions like .tar.gz, .tar.Z, and .tgz. Archive files with the .tar extension can be extracted in UNIX with tar or on a PC with WinZip or on the Mac with the program Tar.
.tar.gz Combined filename extension for a file that has been archived using tar and then gzipped.
.tar.z or .tar.Z Combined filename extension for a file that has been archived using tar and then zipped.
.taz Another way of writing .tar.Z
.TBK Asymetrix Toolbook (filename extension).
.TDF Typeface definition - Speedo
.TEX Tex or LaTex document
.TFM Font metrics - Intellifont
.TGA TARGA graphics
.tgz Another name for .tar.z and .tar.gz
.THEME Desktop theme - Windows 95 (filename extension).
.THN Thumbnail (filename extension).
.TIF TIFF graphics file
.TIFF TIFF graphics file (filename extension).
E' il formato raster più usato nel settore professionale. La compressione è di tipo lossless e sfrutta diversi algoritmi, tra cui PackBit, Lzw e Zip. La profondità dell'immagine è di 32 bit nello spazio cromatico CMYK, mentre nel caso RGB si arriva a ben 48 bit per pixel, passando per i canonici 24 bit. Si possono memorizzare anche dati accessori.
.TLB OLE Type Library (filename extension).
.TMP Temporary file - file temporanei
.TOC Table Of Contents (filename extension).
.TRM Terminal settings - Windows (filename extension).
.TTC TrueType compressed font
.TTF TrueType font
.TWF TabWorks File (file extension).
.TX8 MS-DOS text (filename extension)
.TXT ASCII text file - file di testo senza indicazioni circa la formattazione
.USL LaserJet landscape font
.USP LaserJet portrait font
.uu Uuencode compressed file
.uue Uuencode file
.VBP Visual Basic Project (filename extension).
.VBS programma in visual basic scripting
.VBX Visual Basic Extension
.VDA Targa bitmap (filename extension).
.VGR Ventura
.VIFF Khoros Visualization image file
.VLB Ventura Library (filename extension).
.VOB File compresso (di solito su DVD-Video)
.VOC Sound Blaster
.VP Ventura Publisher (filename extension).
.VST Targa bitmap (filename extension).
.VUE Relational View - dBASE
.VXD Virtual Device Driver (filename extension). - programma di controllo
.WAB Windows Address Book (filename extension).
.WAV File audio (di solito non compresso)
.WBK Microsoft Word Backup (filename extension).
.WDB Microsoft Works Database (filename extension).
.WID Ventura width table (filename extension).
.WIN Windows backup file (filename extension).
.WIZ Microsoft Word Wizard (filename extension).
.WK1 Lotus 1-2-3, up to 2.01
.WK3 Lotus version 3
.WK4 Lotus version 4
.WKQ Quattro spreadsheet
.WKS 1. Lotus Worksheet (filename extension). 2. Microsoft Works document (filename extension).
.WLR VRML page
.WMA File musicale (compresso)
.WMF Windows Metafile
.WMV Video compresso
.WP WordPerfect
.WPD 1. Windows Printer Description (filename extension). 2. WordPerfect Demo (filename extension). 3. WordPerfect Document (filename extension).
.WPG WordPerfect Graphics
.WPM WordPerfect macro
.WPS Microsoft Works document
.WPT WordPerfect Template (filename extension).
.WRI Windows Write document
.WRK Symphony spreadsheet
.WS1 WordStar for Windows 1 document (filename extension).
.WS2 WordStar for Windows 2 document (filename extension).
.WS3 WordStar for Windows 3 document (filename extension).
.WS4 WordStar for Windows 4 document (filename extension).
.WS5 WordStar for Windows 5 document (filename extension).
.WS6 WordStar for Windows 6 document (filename extension).
.WS7 WordStar for Windows 7 document (filename extension).
.WVL Wavelet compressed bitmap (filename extension).
.X AVS X image file
.XAR Corel Xara drawing (filename extension).
.XBM X Bitmap
.XFX JetFax
.XIF Xerox Image Format (filename extension).
.XLC Excel chart
.XLK Microsoft Excel backup (filename extension).
.XLM Microsoft Excel macro (filename extension).
.XLR Tabelle con cifre, diagrammi (Microsoft Works Suite)
.XLS Excel worksheet
.XLT Microsoft Excel template (filename extension).
.XM MOD music format (filename extension).
.XPM X Pixelmap
.XWD X Window System window dump image
.XXE Xxencoded file (filename extension).
.YAL Arts & Letters click art (filename extension).
.Z Unix compress file
.ZIP File compressed using PKZIP
.ZOO Zoo
assistants A special kind of file used by Claris Works. Assistants guide the user through a task by asking a series of questions and then use the answers to perform a task. Assistants in Claris Works can be used to create such useful items as calendars, newsletters, stationery, labels, and address lists, to make footnotes within a file, to find documents, etc.
bad fix A failed attempt to repair a computer bug; a fix that doesn't work or that introduces new and unexpected problems. The expression has cropped up a lot in relation to Y2K fixes.

Ecco l'elenco di tutte le estensioni dei file presenti in un sistema Windows.

.### File Temporanei
.$$$ File Temporanei (vari)
.$$A OS/2
.$$F Database OS/2
.$$P Note OS/2
.$$S Foglio di Calcolo OS/2
.$DB File Temporanei dBase
.$ED File Temporanei di MS C/C++
._DD File di Ripristino di Norton Disk Doctor
.12U Font di PageMaker
.2GR File che visualizza testo e grafica in modalità 286, 386
.3GR Serve per visualizzare testo e grafica in modalità 386,486 o Pentium
.386 File di scambio, serve a Windows per la memoria virtuale
.3D File dei Disegni 3D di VersaCAD
.3DS 3D Studio Graphic
.8 File di Programma A86 di Assembler
.8BX File dei Plugin di Adobe PhotoDeluxe (con X uguale a: A E, F, I, X, & Y)
.A01 File multivolume di archivi compressi con ARJ (da 01 a 99)
.A3L Libreria di Authorware 3.x
.A4L Libreria di Authorware 4.x
.A5L Libreria di Authorware 5.x
.ABW File di documenti creati con AbiWord
.ANI File dei cursori animati
.AVI File usato da applicativi multimediali
.BAK Copia di bakup (esempi sono CONFIG.BAK, AUTOEXEC.BAK, WIN.BAK)
.BAT File batch (un esempio è l’AUTOEXEC.BAT)
.BIN File contenente informazioni binarie
.BMP File bitmap (PAINT)
.CAB File conteneti i file di installazione di Windows98 in forma compressa

 

BASEx.CAB: necesario per la prima configurazione di avvio (BASE5.CAB e BASE4.CAB)
EDB.CAB: contiene varie utilità tra cui ATTRIB.EXE, FORMAT.COM, CHKDSK.EXE, EDIT.COM, SCANDISK.COM, ecc.
CATALOG3.CAB: convalida dei drivers (mouse, monitor, stampante, ecc.)
CHLGG.CAB: barra dei canali per le pagine Web in modalità Office
DRIVERx.CAB: contiene i driver di Windows98 necessari per l'installazione del proprio hardware
MINI.CAB: di Windows per l'installazione a partire da DOS
MEXTx.CAB: (con x che va da 6 a 10) contengono file di driver di rete locale. Questi file vengono utilizzati solo se si installa una rete
PRECOPYx.CAB: (x=1 e 2) contengono file di installazione e quelli con estensione .inf
WIN98x.CAB: (22<69) font Windows98< di file i tutti contengono che cabinet File>

.CAL File identificativo del CALENDARIO
.CBT File tutorial usato dai programmi Microsoft
.CDA File utilizzato per indicare le tracce di CDROM audio
.CFG File usato da applicativi multimediali MIDI
.CHK File di generato quando si esegue SCANDISK
.CLP File usato dal VISUALIZZATORE APPUNTI (CLiPboard)
.CPL File usato dal PANNELLO di CONTROLLO
.CRD File usato da CARDFILE (3.1x)
.CSV File generico di testo, usato da blocco note
.CUR File cursore
.DAT File usato per memorizzare dati

USER.DAT: informazioni relative all'utente;
SYSTEM.DAT: informazioni relative alla configurazione del PC
Questi due file insieme formano il registro di configurazione.

.DEV File relativo ai device driver
.DLL Libreria dinamica (Dynamic Link Library)
.DOC File documento utilizzato da Word
.DOS Se Windows viene installato senza disinstallare MS_DOS, tutti i file DOS vengono rinominati in .DOS.

Solo AUTOEXEC.BAT e CONFIG.SYS vengono mantenuti in versione originale per problemi di compatibilità.

.DRV Come per DEV, relativo ai device driver (driver di componenti hardware e software)
.EPS File generato da una stampa Postscript
.EXE File eseguibili
.FND File generato da: 'AVVIO/TROVA/FILE o CARTELLE
.FON File FONT, non TrueType (font formato raster)
.FOT File FONT, TrueType.
.FTS File Help, file ausiliario, (Ricerca avanzata)
.GID File HELP, file ausiliario, (Indice)
.GRP File di gruppo di icone
.HLP File HELP (Principale)
.HT File usato dall' applicativo HYPERTERMINAL
.HTM File usato dai BROWSER WEB (HyperText Markup language: linguaggio a marcatori)
.HTML File usato dai BROWSER WEB (HyperText Markup Language)
.ICO File Icona
.IN File binario
.INF File informativi per installazioni
.INI File d'inizializzazione di Windows
.LNK File indicante un collegamento ad altri files
.MID File musicali MIDI
.MPG File multimediale
.MSP File generato dal PaintBRUSH (Windows3.1x)
.NET File informativo della rete
.OLD File generato dopo la modifica di un file. E' una copia di sicurezza.
.OCX File relativi alle estensioni di Visual Basic
.PAB File generato da MS-Exchange
.PAL File palette dei colori
.PAR File di scambio permanente
.PCX File usato dal PAINT
.PIF Formato informativo per applicativi DOS
.PRN File di output della stampa su file
.PST File generato dal MS-Exchange
.PWL File password
.QIC File usato di BACKUP utilizzato da Windows 3.1x
.REC File usato dal registratore
.REG File usato del registro di configurazione
.RLE File usato dal PAINTBRUSH per Windows 3.1x
.RTF File generato da elaboratori di testo (raw test format)
.SCR File degli screen saver
.SCP File per la connessione al provider Internet
.SET File usato dal BACKUP
.SRC File interno per creare i file .INI
.SWP File di interscambio
.SYD File usato dal SYSEDIT, per le copie di backup
.SYS File di sistema (es.CONFIG.SYS,RAMDRIVE.SYS).

Questa estensione la possiedono anche i file di avvio di Windows, IO.SYS (file di sistema in modo reale, sostituisce i vari file di sistema Ms-Dos precedenti) e MSDOS.SYS

.TMP File temporaneo di Windows
.TRM File usato da TERMINAL
.TTF File dei caratteri TrueType, in coppia con FOT
.TXT Formato generico di testo
.VBX Formato relativo a Visual Basic
.VXD File relativi ai device driver virtuali.

Al posto della x può esserci la lettera caratteristica della periferica. VDD è un driver virtuale dello schermo (Display), VPD relativo alla stampante. Un driver virtuale è un driver a 32 bit (gestisce le risorse di sistema come i componenti hardware.

.WAB File della rubrica.
.WAV File usato da applicativi multimediali File Audio
.WIN File di backup di Windows
.WPD File indicante una stampante di tipo Postscript
.WRI File utilizzato da Write.