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Date Formats & Their File Extensions
What's an Extension?
FileName.ext :
the delimiter is the (last) dot
FileName.EXT
: the extension is EXT
The extension defines the file "type", e.g. text file,
executable file, database file or graphic file or .... Actually a remnant from
old DOS 8.3 filename limits, it has proven its usefulness over the years and
today even normally "extension-free" systems like UNIX use more and more
extensions. An extension lets not only the user easily find out what sort of
file it is, but even the OS (or other programs) can easily associate certain
file-extensions with certain programs, thus e.g. starting a certain application
when the user clicks on a certain (data-)file.
That's the theory. In practice it shows that the combinations
out of 3 letters are limited and thus there are ambiguities. Since there are
absolutely no further investigations done by the OS what concerns the file-type,
misunderstandings can happen. Indeed they happen more and more, the more
identical extensions are used by different programs. Although today there is no
more need to reduce the extension to 3 characters, it seems most programmers
stick to it.
So even inexperienced users should be aware of the fact that a
.doc file - from a friend, out of the net - needs not necessarily be a Word
document, that dll's aren't limited to the dll-extension (Microsoft themselves
in their ultimate wisdom breaks this rule often), that some extensions are used
by ten different programs (with differing content well understood!).
So if you got a file with an unknown extension or with a well
known extension that the associated program can't understand, this extension
list can be a first hint what sort of file it may be. If the here listed program
too can't open your file, further investigation is necessary. There are
automatic file-recognition programs in the net, but their capabilities are
limited. Most of them use only the extension to find out what the file actually
is. Experienced users will use "dump" or "list" to find out what sort of program
it is (for dump or list see the 'misc'-page of
www.icmasterdata.com
. But a lot of knowledge and skill is necessary to find out in this way what the
file actually is. Further information on file formats can be found on e.g.
www.wotsit.org
(very special information normally thought only for programmers
To hide file extensions (the three-letter suffixes attached
to all files) for some, but not all, file types, select Settings from the Start
menu, Folder Options, then click the File Types tab. Select the file type you
wish to modify (for example, Text Document), and click the Edit tab. Check the
Always Show Extension box, then click OK twice.
-
- Potentially harmful extensions
-
These extensions should be handled with
particular caution if received as attachment by mail, on a diskette or from
any other source which you consider not fully trustworthy
- Since files with these extensions are able to execute,
modify execution rights, modify the registry, modify paths, all of these
files should be regarded as potentially dangerous and can do severe damage
to your system.
-
- While some of these files are rather difficult to program
and thus rather seldom get misused, especially scripting files like WS, WSF,
JS, VBS, VB, VBE, WSC are highly dangerous. In certain contexts (html
mail..) they can even get started without knowledge of the user.(This
is the reason why the mail unit of AAICWpro supports only a restricted set
of html)
This is the reason why some mail-programs
rename files with these extensions, so they are no more able to execute. Give
them first a check with a !trustworthy! virus checker! Afterwards you
may rename them back to their original extension.
(Explanation see below. It should be noted that there are other extensions
which can be dangerous too. These are considered Level 1 files)
- ADE = ZL0=
AAICWpro/ZoneAlarm
Mailsafe renamed File
- ADP = ZL1=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- BAS = ZL2=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- BAT = ZL3=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- CHM = ZL=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- CMD = ZL5=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- COM = ZL6=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- CPL = ZL7=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- CRT = ZL8=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- EXE = ZL9=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- HLP = ZLA=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- HTA = ZLB=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- INF = ZLC=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- INS = ZLD=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- ISP = ZLE=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- JSE = ZLF=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- LNK = ZLG=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- MDB = ZLH=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- MDE = ZLI=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- MSC = ZLJ=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- MSI = ZLK=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- MSP = ZLL=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- MST = ZLM=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- PCD = ZLN=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- PIF = ZLO=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- REG = ZLP=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- SCR = ZLQ=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- SCT = ZLR=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- SHS = ZLS=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- URL = ZLT=AAICWpro/ZoneAlarm
Mailsafe renamed File
- VBE = ZLU=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- VBS = ZLV=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- WSC = ZLW=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- WSF = ZLX=AAICWpro/ZoneAlarm
Mailsafe renamed File
- WSH = ZLY=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- SHB = ZLZ=
AAICWpro/ZoneAlarm Mailsafe renamed
File
- JS = ZM0=
AAICWpro Mailsafe renamed File
- VB = ZM1=
AAICWpro Mailsafe renamed File
- WS= ZM2=
AAICWpro Mailsafe renamed File
- MDT = ZM3=
AAICWpro Mailsafe renamed File
- MDW = ZM4=
AAICWpro Mailsafe renamed File
- MDZ= ZM5=
AAICWpro Mailsafe renamed File
- SHB = ZM6=
AAICWpro Mailsafe renamed File
- SCF= ZM7=
AAICWpro Mailsafe renamed File
- PL= ZM8=
AAICWpro Mailsafe renamed File
- PM= ZM9=
AAICWpro Mailsafe renamed File
- DLL= ZMA=
AAICWpro Mailsafe renamed File
-
-
-
-
- ADE Microsoft Access Project Extension
- ADP Microsoft Access Project
- ASX Windows Media Audio / Video shortcut
- BAS Visual Basic Module
- BAT Batch File
- CHM Compiled HTML Help File
- CMD Windows NT Command Script
- COM MS-DOS Application
- CPL Control Panel Extension
- CRT Security Certificate
- DLL dynamic link library
- EXE Application
- HLP Windows Help File
- HTA HTML program
- INF Setup Information File
- INS Internet Naming Service
- ISP Internet Communication Settings
- JS JScript File
- JSE JScript Encoded Script File
- LNK Shortcut
- MDB Microsoft Access Application
- MDE Microsoft Access MDE Database
- MDT Microsoft Access Add-in Data
- MDW Microsoft Access Workgroup Information
- MDZ Microsoft Access Wizard program
- MSC Microsoft Common Console Document
- MSI Windows Installer Package
- MSP Windows Installer Patch
- MST Visual Test Source File
- PCD Photo CD Image or Microsoft Visual Test compiled script
- PIF Shortcut to MS-DOS Program
- PL Perl script: only dangerous if Perl is installed on that
particular computer
- PM Perl script module: only dangerous if Perl is installed
on that particular computer
- REG Registration Entries
- SCF Windows Explorer command
- SCR Screen Saver
- SCT Windows Script Component
- SHB Shortcut into a document
- SHS Shell Scrap Object
- URL Internet Shortcut (Uniform Resource Locator)
- VB VBScript File
- VBE VBScript Encoded Script File
- VBS VBScript Script File
- WSC Windows Script Component
- WSF Windows Script File
- WSH Windows Scripting Host Settings File
These characters are allowed in DOS/Windows file names and
extensions:
0-9 numbers |
$ dollar sign |
a-z letters(upper- lowercase doesn't matter, but pay attention, in Unix
(web!) it matters!) |
( ) parentheses |
# size / number sign |
& ampersand * |
_ underscore |
^ caret * |
' apostrophe |
` opening single quotation mark hyphen |
@ at sign |
{ } left and right curly braces |
- hyphen |
% percent sign |
~ tilde |
! exclamation mark |
blank/space |
. point/dot (more than one now allowed) |
The two with an asterisk not official. On a pure Dos32/Windows(98 (95 SR2)
and later) level it is possible to use other characters (eg above 80hex, eg
german/swedish umlauts etc), but its not guaranteed that all programs can handle
them. Explicitely forbidden are these characters: < > : " / \ |
FAT (=DOS/Windows) allows paths of up to 260 characters, including the
terminating special character. Do remember, though, that a path includes the
full filename, so if you happen to have a filename that is 255 characters long,
you will only have 4 characters left for the path (the last char is reserved for
terminating the string).
Description of some 2d-graphical image
formats
(Please note: some of these are outdated! Eg
ZX-formats,Amiga-Formats,TRS-80 etc)
- !C= ZX Spectrum Hobetta
- $C= ZX Spectrum Hobetta
- $S= ZX Spectrum Hobetta
- 001= Ricoh Fax
- 001= Smartfax
- 2BP= Pocket PC bitmap
- 2D= Amapi
- 301= Brooktrout 301
- 411= Mavica
- 4BT= GoDot
- 73I= TI-73/82/83/85/86/89/92 Bitmap
- 82I= TI-73/82/83/85/86/89/92 Bitmap
- 83I= TI-73/82/83/85/86/89/92 Bitmap
- 85I= TI-73/82/83/85/86/89/92 Bitmap
- 86I= TI-73/82/83/85/86/89/92 Bitmap
- 89I= TI-73/82/83/85/86/89/92 Bitmap
- 92I= TI-73/82/83/85/86/89/92 Bitmap
- A64= Artist 64
- ABS= Optocat
- ACE= Aces200
- ACR=
Medical format : ACR/NEMA
- AFX= Auto F/X
- AI= Adobe Illustrator
- ALIAS= Alias Image (see pix)
- ALS= Alias Image (see pix)
- AMI= Amica Paint
- ANI= Windows Animated Cursor
- APM= Windows Metafile
- APX= Photopaint Image
- ARF= ARF
- ARN= Astronomical Research Network
- ART= Art Director
- ART= Artisan
- ART= Pfs Art Publisher
- ATK= Andrew Toolkit raster object
- ATT= AT&T Group 4
- AVI= Video for windows
- AVS= Stardent AVS X
- B&W= ImageLab
- B16= PCO
- B3D= B3D
- B_W= ImageLab
- BFL= BFLI
- BFLI= BFLI
- BFX= Bfx Bitware
- BGA= OS/2 WARP Bitmap
- BIF= byLight
- BIFF= XITE -
X-based 2d/3d format
- BIG= Michelin (autoroute maps)
- BLD= MegaPaint
- BLK= Amiga IFF
- BM= X11 BitMap
- BMF= BMF
- BMF= Corel Flow
- BMP= Alpha Microsystem BMP
- BMP= OS/2 Bitmap
- BMP= Windows Bitmap
- BOB= Bob Ray-Tracer
- BPX= TrueVision Targa
- BRK= Brooktrout 301
- BRT= Brooktrout 301
- BS= Printfox/Pagefox
- BTN= JustButtons animated bitmap
- BUM= Poser Bump files
- BW= Silicon Graphics RGB
- C4= Edmics
- CAL= CALS Raster Goup 1
- CALS= CALS Raster Group 1
- CAM= Casio QV-10/100 Camera
- CAN= Canon Navigator Fax
- CAR= NeoBook Cartoon
- CAT= Photomatrix
- CBM= Fuzzy Bitmap
- CDR= Corel Draw Bitmap (preview)
- CDU= CDU Paint
- CE= Computer Eyes, Digital Vision
- CE1= Computer Eyes, Raw
- CE2= Computer Exes,RAW
- CEL= KiSS Cel
- CEL= Lumena CEL
- CGM= Computer
Graphics Metafile
- CIN= Kodak Cineon
- CINEON= Kodak
CINEON
- CIT= Intergraph Format
- CLO= Cloe Ray-tracer
- CLP= GoDot
- CLP= PC Paint / Pictor Page
- CLP= Windows Clipboard
- CMP= Discorp CMP Image
- CMT= Chinon ES-1000 digital camera
- CMU= CMU Window Manager
- CMX= Corel Metafile Exchange (preview)
- CP8= CP8 256 gray scale
- CPI= Calamus picture
- CPT= Corel PhotoPaint 6.0
- CRG= Calamus picture
- CRW= Canon PowerShot
- CT= Iris CT
- CUR= Windows Cursor
- CURSOR= Sun Icon/Cursor
- CUT= Dr Halo
- CVP= Portrait
- DAT= SPOT
- DCM= Dicom 3
- DCX= Zsoft Multi-page Paintbrush files( = n*pcx)
- DD= Doodle C64
- DIB= Windows DIB
- DIS= DKB Ray-tracer
- DJV= DjVu
- DJVU= DjVu
- DOO= Doodle Atari
- DPX= Kodak Cineon
- DPX= DPX
- DRZ= Draz Paint
- DXF=
AutoCad Drawing Interchange Format
- ECC= Ecchi
- ECW= Enhanced Compressed Wavelet
- EI= Electric Image
- EIDI= Electric Image
- EMF= Windows Enhanced
Metafile
- EOSAT= LANDSAT/EOSAT Satellite picture data
- EPA= Award Bios Logo
- EPI= EPS Interchange Format
- EPS= Encapsulated Postscript (Preview)
- ERI= ERI-chan (Entis Rasterized Image)
- ESM= Enhance Simplex
- FAC= Usenix FaceSaver
- FACE= Usenix FaceSaver
- FAX= Fax Group 3
- FBM= Fuzzy Bitmap
- FFF= Maggi Hairstyles & Cosmetics
- FI= FlashImage
- FIF= FIF
- FIT= FIT
- FIT= Flexible Image Transport System, descr. see below
- FITS= Flexible Image
Transport System
- FLC= Autodesk Animator
- FLI= Autodesk Animator
- FPG= DIV Game Studio Multi Map
- FPG= Fenix Multi Map
- FPX= FlashPix
- FRE= Male MRI
- FRM= Megalux Frame
- FSY= PhotoFantasy Image
- FTS= Flexible Image
Transport System
- FXO= Winfax
- FXS= Winfax
- G3= Fax Group 3
- G3N= Imaging Fax
- G4= Access
- GAF= Total Annihilation
- GB= Printfox/Pagefox
- GBR= Gimp Brush
- GEO= GeoPaint
- GG= Koala Paint Compressed
- GIF= CompuServe GIF
- GIFF= Compuserve GIF
- GM= Autologic
- GM2= Autologic
- GM4= Autologic
- GRAF= Digital F/X
- GRB= HP-48/49 Grob
- GREY= Raw
- GRO= HP-48/49 Grob
- GRY= Raw
- HDR= Apollo HRDU
- HDR= ArcInfo Binary
- HDRU= Apollo HRDU
- HED= Hi-Eddi
- HF= HF
- HIR= Hires C64
- HPI= Hemera Photo Image
- HPGL=
Hewlett-Packard grafic Language
- HR= TRS 80
- HRU= HRU
- HRZ= Slow Scan Television
- I17= Pixel Power Collage
- I18= Pixel Power Collage
- IB7= Pixel Power Collage
- ICA= IOCA Image Object Content
- ICB= Image Capture Board
- ICB= TrueVision Targa
- ICN= RIPTerm Image
- ICO= Gimp Icon
- ICO= Windows Icon
- ICON= Sun Icon/Cursor
- IDC= Core IDC
- IF9= Pixel Power Collage
- IFF= Amiga IFF
- IFF= Explore (TDI) & Maya
- IFF= Sun TAAC file format
- IIM= Inshape
- IIMG= Interleaf
- IM5= IM5 (Visilog)
- IMA= AIM Grey Scale
- IMG= Planetary Data System
- IMG= Radiance
- IMG= Adex
- IMG= Autocad CAD-Camera
- IMG= Datacopy
- IMG= Digital Research (GEM Paint)
- IMG= Imaging Technology
- IMG= Img Software Set
- IMG= Microtek Eyestar
- IMG= Sharp GPB
- IMG= Starbase
- IMG= Video Image Communication And Retrieval
- IMG= Vivid Ray-tracer
IMH= IRAF format files
- IMT= IMNET Image
- INFO= Amiga icon
- IPG= Mindjongg Format
- IPH= InterPaint (Hires)
- IPT= InterPaint (Multicolor)
- IRIS= Silicon Graphics RGB
- ISH= Image Speeder
- ISH= Image System (Hires)
- ISM= Image System (Multicolor)
- ISS= ISS
- ITG= Intergraph Format
- IW4= DjVu
- IWC= WaveLet format
- J= Joint Photographic Experts Group
- J6I= Ricoh Digital Camera
- JBF= PaintShopPro Browser Cache File
- JBG= Joint Bi-level Image experts Group
- JBIG= Joint Bi-level Image experts Group
- JFIF= Joint
Photographic Experts Group
- JIF= Jeff's Image Format
- JIF= Joint
Photographic Experts Group
- JJ= Doodle C64 Compressed
- JLS= JPEG-ls
- JNG= Jpeg Network Graphics
- JP2= JPEG-2000 JP2
File Format
- JP2= LuraWave JPEG-2000 Format
- JPC= JPEG-2000 Code
Stream
- JPC= LuraWave JPEG-2000 Code Stream
- JPEG= Joint Photographic Experts Group
- JPG= Joint Photographic Experts Group
- JPS= Stereo Image
- JTF= Hayes JTFax
- K25= Kodak DC25 Camera
- KDC= Kodak DC120 Digital Camera
- KFX= Kofax Group 4
- KOA= Koala Paint
- KPS= IBM Kips
- KQP= Konica Camera File
- LANDSAT= LANDSAT Satellite picture data
- LBM= Deluxe Paint, Electronic Arts
- LDA= LaserData
- LDF= LuraDocument Format
- LEAD= wavelet compressed format
- LFF= LucasFilm Format
- LIF= HomeWorld Texture
- LVP= LView Pro
- LWF= LuraWave Format
- LWI= Light Work Image
- M1V= MPEG 1
- M8= Heretic II MipMap
- MAC= Mac Paint
- MAG= MAGIchan graphics
- MAP= DIV Game Studio Map
- MAP= Fenix Map
- MBFAVS= Stardent AVS X
- MBFS= Stardent AVS X
- MBM= Psion Series 5
- MDL= Half-Life Model
- MET= Windows Metafile
- MGR= MGR bitmap
- MIF= Image Magick
- MIFF= Image Magick
- MIL= Micro Illustrator Uncompressed
- MNG= Multiple Network Graphics
- MOV= Quicktime Movie
- MPA= MPEG 1
- MPE= MPEG 1
- MPEG= MPEG 1
- MPG= MPEG 1
- MPNT= Mac Paint
- MRF= Marks Russel File
- MSK= PaintShopPro Mask
- MSP= Microsoft Paint
- MTV= MTV Ray-tracer
- NAV= AirNav
- NCD= CoverDesigner
- NCR= NCR Image
- NCT= CoverDesigner Template
- NEF= Nikon D1 digital camera
- NEO= Neochrome (ST & TT)
- NGG= Nokia Group Graphics
- NITF= National Imagery
Transmission Format
- NLM= Nokia Logo File
- NMP= Neopaint Mask
- NOL= Nokia Operator Logo
- OAZ= OAZ Fax
- OCP= Advanced Art Studio
- OFX= Olicom Fax
- OIL= Open Image Library Format
- P64= Picasso 64
- P7= XV Visual Schnauzer
- PAC= Stad
- PAN= SmoothMove Pan Viewer
- PAT= Corel Draw Pattern (preview)
- PAT= Gimp Pattern
- PAT= PaintShopPro Pattern
- PBM= Portable Bitmap
- PBT= Micro Dynamics MARS
- PC[1-3]= Degas / Degas Elite
- PCC= Zsoft Publisher's Paintbrush
- PCD= Kodak Photo CD
- PCL= Page Control Language
- PCT= Macintosh Quickdraw/Pict
- PCT= NIST Ihdr
- PCX= Zsoft Publisher's
Paintbrush
- PD= Male Normal CT
- PDB= MonkeyCard
- PDB= MonkeyLogo
- PDB= Palm Pilot
- PDB= Photo Deluxe
- PDB= TealPaint
- PDD= Photo Deluxe
- PDF= Portable Document Format
- PDS= Planetary Data System
- PDS=Portable
Data Specification image data
- PDX= Mayura Draw
- PE4= Ulead Texture
- PFR= PaintShopPro Frame
- PG= Printfox/Pagefox
- PGC= Portfolio Graphics Compressed
- PGF= Portfolio Graphics
- PGM= Portable Greyscale
- PHP= Adobe PhotoParade
- PI= Blazing Paddles
- PI[1-6]= Degas / Degas Elite
- PIC= Radiance
- PIC= Bio-Rad confocal
- PIC= Macintosh Quickdraw/Pict
- PIC= PC Paint / Pictor Page
- PIC= Pixar picture file
- PIC= Psion Series 3
- PIC= Rayshade
- PIC= Stad
- PIC= WinMIPS
- PICIO= Pixar picture file
- PICT= Macintosh Quickdraw/Pict
- PIG= Ricoh IS30
- PIX= Alias Image
- PIX= ESM Software Pix
- PIX= PABX background
- PIX= TrueVision Targa
- PIX= Vort
- PIXAR= Pixar picture file
- PLT= PCAD 8.5 drawing
- PM= PM
- PM= X11 PixMap
- PMG= Paint Magic
- PMP= Sony DSC-F1 Cyber-shot
- PNG= Portable Network
Graphics
- PNM= Portable Image
- PPM= Portable Pixmap
- PPP= Punk Productions Picture
- PPS= PowerPoint (images)
- PPT= PowerPoint Presentation (images)
- PR= Sun Icon/Cursor
- PRC= Picture Gear Pocket
- PRF= Polychrome Recursive Format
- PRI= Prisms
- PS= Postscript
- PSD= Adobe Photoshop
Document
- PSE= IBM Printer Page Segment
- PSF= PhotoStudio File
- PSP= PaintShopPro
Image
- PST= Ulead Pattern
- PWP= Seattle Film Works multi-image
- PXA= Pegs
- PXA= Pixia
- PXB= Pixibox
- PXR= Pixar picture file
- PXS= Pegs
- PZL= Puzzle
- PZP= MGI Photosuite Project
- Q0= Q0
- QDV= Qdv (Random Dot Software)
- QRT= Qrt Ray-tracer
- QT= Quicktime Movie
- QTI= Quicktime Picture
- QTIF= Quicktime Picture
- QTL= YUV 16Bits
- RAD= Radiance
- RAS= Sun Raster Images
- RAST= Sun Raster Images
- RAW= HSI Raw
- RAW= Raw
- RGB= Silicon Graphics RGB
- RGH= ZZ Rough
- RIX= ColoRIX
- RL4= Windows Bitmap
- RL8= Windows Bitmap
- RLA= Wavefront Raster file
- RLB= Wavefront Raster file
- RLC2= Image Systems RLC2 Graphic
- RLE= Adex
- RLE= Intergraph Format
- RLE= Utah Raster image
- RLE= Windows Bitmap
- RP= Rainbow Painter
- RPBM= Portable Bitmap
- RPGM= Portable Greyscale
- RPM= RunPaint (Multicolor)
- RPNM= Portable Image
- RPPM= Portable Pixmap
- RS= Sun Raster Images
- RSB= Red Storm File Format
- SAR= Saracen Paint
- SC= SciTex Continuous Tone
- SC2= Msx 2 Screen
- SC?= ColoRIX
- SCI= SciFax
- SCR= Sun Raster Images
- SCR= ZX Spectrum standard screen
- SCT= SciTex Continuous Tone
- SCX= ColoRix
- SD0= Dali raw
- SD1= Dali Raw
- SD2= Dali Raw
- SDG= Star Office Gallery
- SEQ= Stad
- SFF= Structured Fax Format
- SFW= Seattle Film Works
- SGI= Silicon Graphics RGB
- SHG= Segmented Hyper Graphics, used by Microsoft Winhelp
- SI= Softimage bitmap
- SIM= Aurora
- SIR= BYU SIR
- SIR= Solitaire Image Recorder
- SJ1= Sega SJ-1 DIGIO
- SKN= Kinupix skin
- SKN= Skantek
- SMP= Xionics SMP
- SNA= ZX Spectrum Snapshot
- SPC= Spectrum 512 compressed
- SPS= Spectrum 512 smooshed
- SPU= Spectrum 512
- SR= Sun Raster Images
- SSI= SriSun
- SSP= Axialis screensaver
- ST4= SBIG CCD camera ST-4
- ST4= SBIG CCD camera ST-X
- ST5= SBIG CCD camera ST-X
- ST6= SBIG CCD camera ST-X
- ST7= SBIG CCD camera ST-X
- ST8= SBIG CCD camera ST-X
- STM= PhotoStudio Stamp
- STW= Neopaint Stamp
- STX= SBIG CCD camera ST-X
- SUL= GFA Raytrace
- SUN= Sun Raster Images
- SUNIFF= Sun TAAC file format
- SYN= Synthetic Universe
- SYNU= Synthetic Universe
- SYS= Windows Bitmap
- TAAC= Sun TAAC file format
- TDI= Explore (TDI) & Maya
- TDIM= Digital F/X
- TEX= PaintShopPro Texture
- TG4= TG4
- TGA= TrueVision Targa
- TIF= TIFF Revision 6
- TIFF= TIFF Revision 6
- TIL= Buttonz & Tilez texture
- TIM= Sony Playstation TIM PSX
- TIM= TIFF Revision 6
- TN1= Tiny
- TN2= Tiny
- TN3= Tiny
- TNL= Thumbnail
- TNY= Tiny
- TUB= PaintShopPro Picture Tube
- UPI= Ulead PhotoImpact
- UYVY= YUV 16Bits
- VDA= TrueVision Targa
- VDA= Video Display Adapter
- VFF= Sun TAAC file format
- VFW= Video for windows
- VI= Jovian VI
- VIC= Video Image
Communication And Retrieval at Jet Propulsion lab
- VICAR= Video Image
Communication And Retrieval at Jet Propulsion lab
- VID= Vidcom 64
- VIF= Khoros Visualization
image file
- VIF= Verity
- VIFF= Khoros Visualization
image file
- VIT= VITec
- VOB= Vue d'Esprit
- VPB= Quantel VPB
- VST= TrueVision Targa
- VST= Vista
- WAL= Quake Texture
- WAP= Wireless Bitmap (level 0)
- WBC= Webshots
- WBM= Wireless Bitmap (level 0)
- WBMP= Wireless Bitmap (level 0)
- WBP= Webshots
- WBZ= Webshots
- WIC= J Wavelet Image Codec
- WLM= CompW
- WMF= Windows & Aldus Metafile
- WPG= Word Perfect Graphics
- WRL= VRML 2
- X= Stardent AVS X
- X11= X Windows System window dump
- XAR= Xara (images)
- XBM= X11 BitMap
- XCF= Gimp Bitmap
- XIF= Xerox DIFF
- XIM= Xim file
- XPM= X11 PixMap
- XV= Khoros Visualization image file
- XWD= X Windows System window dump
- YUV= YUV 16Bits
- ZBR= Zoner Zebra Metafile (preview)
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