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Types of Assemblies
4st.DLL Dynamic Link Library
4st.EXE Windows Executable File
Types of Audio Files
4st.A52 Dolby Digital AC-3 Compressed Audio File
4st.AAC Advanced Audio Coding Compressed Audio File
4st.AC3 Dolby Digital AC-3 Compressed Audio File
4st.AIF Audio Interchange Format File
4st.APE Monkey's Audio Compressed Audio File
4st.AU Sun / NeXT Audio File
4st.DTS Digital Theater Systems Audio File
4st.FLAC Free Lossless Audio Codec Compressed Audio FIle
4st.M4A MPEG-4 Audio File
4st.M4P Protected AAC File
4st.MID MIDI Audio Sequence
4st.MKA Matroska Audio Stream
4st.MOD MOD Audio File
4st.MP1 MPEG-1 Audio Layer I
4st.MP2 MPEG-1 Audio Layer II
4st.MP3 MPEG-1 Audio Layer 3
4st.OGG Ogg Multimedia Container File
4st.OMA OpenMG Audio File
4st.RA RealMedia Audio File
4st.RAM RealMedia Audio File
4st.SND Sun / NeXT Audio File
4st.SPX Ogg Speex Audio File
4st.WAV Waveform Audio
4st.WMA Windows Media Audio File
4st.WV WavPack Compressed Audio File
4st.XM Extended Module Audio File
Compressed Files Compressed files or archives contain one or more files or folders that have been compressed to take up less space on disk. Compression is especially useful when transferring files over the internet as it saves bandwidth and reduces the time required to download files. The most common compressed file extensions are .ZIP (Zip Compressed Archive) and .RAR (WinRAR Compressed Archive). Types of Compressed Files
4st.7Z 7-Zip Compressed Archive
4st.ACE Ace Compressed Archive
4st.ARJ Archived by Robert Jung Compressed Archive
4st.BZ BZip Compressed Archive
4st.BZ2 BZip2 Compressed Archive
4st.CAB Cabinet Compressed Archive
4st.CPIO CPIO Compressed Archive
4st.GZ GNU Zip Compressed Archive
4st.JAR Java Archive
4st.LHA LHA Compressed Archive
4st.LZH Lempel-Ziv and Haruyasu Compressed Archive
4st.R00 WinRAR Archive Partial File
4st.RAR WinRAR Compressed Archive
4st.REV WinRAR Recovery Volume
4st.TAR TAR Archive
4st.TAZ TAR Compressed Archive
4st.TBZ BZip Compressed Tar Archive
4st.TBZ2 BZip2 Compressed Tar Archive
4st.TGZ GZip Compressed Tar Archive
4st.UU Uuencoded File
4st.UUE Uuencoded File
4st.XXE Compressed ASCII Archive
4st.Z Unix Compressed Archive
4st.ZIP Zip Compressed Archive
Types of Data Files
4st.CSV Comma Separated Value Database
4st.DAT Data File
4st.DBF dBASE Database
4st.ICL Icon Library
4st.MNL MathML Data
4st.NWP Magentic Content File
4st.ODB ODF Database
4st.ODF ODF Formula
4st.PART Partially Downloaded File
4st.SMF StarMath Data
4st.SXM OpenOffice.org 1.0 Formula
4st.TMP Temporary File
4st.TXT Comma Separated Value Database
4st.XLS Comma Separated Value Database
Disk Images Disk Images contain all of the data from a disk. A disk can be a CD, DVD, thumb drive, hard drive, memory card, or any other type of media. Common types of disk images are .ISO CD images and .BIN disk images. Types of Disk Images
4st.B5I B5I Disk Image
4st.B5T B5T Disk Image
4st.BIN Binary Disk Image
4st.BWI BlinkWrite Disk Image
4st.BWT BlinkWrite Disk Image
4st.C2D C2D Disk Image
4st.CCD CCD Disk Image
4st.CD CD Disk Image
4st.CDI CD Image File
4st.CDR Raw CD Audio File
4st.CIF CIF Disk Image
4st.DAO DAO Disk Image
4st.DI Raw CD Audio File
4st.DMG Mac OS X Disk Image
4st.DVD DVD Disk Image
4st.FCD FCD Disk Image
4st.FLP FLP Disk Image
4st.GCD GCD Disk Image
4st.GCM GameCube Image File
4st.GI Global Disk Image
4st.IBB IBB Disk Image
4st.IBP IBP Disk Image
4st.IBQ IsoBuster Disk Image
4st.IMG Disk Image File
4st.ISO ISO 9660 Disk Image
4st.LST DVD Image List
4st.MDF MDF Disk Image
4st.MDS MDS CD/DVD Image
4st.NRG Nero Disk Image
4st.P01 P01 Disk Image
4st.PDI InstantCopy Disc Image
4st.PXI PXI Disk Image
4st.TAO TAO Disk Image
4st.UDI Universal Disk Image
4st.VC4 VC4 Disk Image
4st.VCD Farstone Virtual Drive
4st.VDI Virtuo CD Manager Disk Image
Types of Documents
4st.ABW AbiWord Document
4st.CHM Compiled Help File
4st.DJV DjVu Document
4st.DJVU DjVu Document
4st.DOC Corel WordPerfect Document
4st.DOC Microsoft Word Document
4st.DOCM Microsoft Word XML Document
4st.DOCX Microsoft Open XML Word Document
4st.GAN GanttProject File
4st.HWP Hangul Word Processor Document
4st.LOG Log File
4st.ODM ODF Master Document
4st.ODT ODF Text Document
4st.OTH
4st.PDB Palm AportisDoc Document
4st.PDF Portable Document Format Document
4st.PSW Pocket Word Document
4st.RTF Rich Text Format Document
4st.SDW StarWriter Document
4st.SGL StarWriter Master Document
4st.STW OpenOffice.org 1.0/value/4st Template
4st.SXG OpenOffice.org 1.0 Master Document
4st.SXW OpenOffice.org 1.0 Text Document
4st.TXT Text Document
4st.UOF Unified Office Format Document
4st.UOT Unified Office Format Document
4st.WPD WordPerfect Document
4st.WPS Microsoft Works Document
4st.XML DocBook Document
Types of Images
4st.!S ZX Spectrum Hobetta Image
4st.$C ZX Spectrum Hobetta Image
4st.$S ZX Spectrum Hobetta Image
4st.001 Ricoh Fax Image
4st.001 SmartFax Image
4st.16 LSS16 Image
4st.2BP Pocket PC Bitmap Image
4st.2D Amapi Image
4st.301 Brooktrout 301 Image
4st.3FR Hasselblad 3F RAW Image
4st.411 Mavica Image
4st.4BIT GoDot Image
4st.4BT GoDot Image
4st.73I TI Bitmap Image
4st.82I TI Bitmap Image
4st.83I TI Bitmap Image
4st.85I TI Bitmap Image
4st.86I TI Bitmap Image
4st.89I TI Bitmap Image
4st.92I TI Bitmap Image
4st.A64 Artist 64 Image
4st.ABS Optocat Image
4st.ACE Aces200 Image
4st.ACR Dicom Image
4st.AFX Auto F/X Image
4st.ALIAS Alias Image File
4st.ALS Alias Image File
4st.AMI Amica Paint Image
4st.ANI Animated Mouse Cursor Image
4st.ANI Windows Animated Cursor
4st.ANV AirNav Image
4st.APX Photopaint Image
4st.ARF ARF Image
4st.ARN Astronomical Research Network Image
4st.ART Art Director Image
4st.ART Artisan Image
4st.ART Advanced Art Studio Image
4st.ART Pfs Art Publisher Image
4st.ATK Andrew Toolkit raster object Image
4st.ATT AT&T Group 4 Image
4st.AVS Stardent AVS X Image
4st.B&W ImageLab Image
4st.B16 PCO Image
4st.B3D B3D (images) Image
4st.BFL BFLI Image
4st.BFLI BFLI Image
4st.BFX Bfx Bitware Image
4st.BGA OS/2 Bitmap Image
4st.BIE JBIG Image
4st.BIF byLight Image
4st.BIG Cartes Michelin Image
4st.BLD MegaPaint Image
4st.BLK Amiga IFF Image
4st.BM X11 Bitmap Image
4st.BMC Embroidery Image
4st.BMF BMF Image
4st.BMP Windows Bitmap Image
4st.BMP Alpha Microsystems BMP Image
4st.BMS Playback Bitmap Sequence Image
4st.BOB Bob Raytracer Image
4st.BPX Truevision Targa Image
4st.BRK Brooktrout 301 Image
4st.BRT Brooktrout 301 Image
4st.BS Printfox/Pagefox Image
4st.BTN JustButtons animated bitmap Image
4st.BUM Poser Bump Image
4st.BW Silicon Graphics RGB Image
4st.B_W ImageLab Image
4st.C4 Edmics Image
4st.CAL CALS Raster Image
4st.CALS CALS Raster Image
4st.CAM Casio QV-10/100 Camera Image
4st.CAN Canon Navigator Fax Image
4st.CAR NeoBook Cartoon Image
4st.CAT Photomatrix Image
4st.CBM Fuzzy bitmap Image
4st.CDR Corel Draw Bitmap (preview) Image
4st.CDU CDU Paint Image
4st.CE Computer Eyes, Digital Vision Image
4st.CE1 ComputerEyes Raw Image
4st.CE2 ComputerEyes Raw Image
4st.CEL Kiss Cel Image
4st.CFT Optigraphics Image
4st.CIN Kodak Cineon Image
4st.CIT Intergraph Format Image
4st.CLO Cloe Ray-Tracer Image
4st.CLOE Cloe Ray-Tracer Image
4st.CLP Windows Clipboard Image
4st.CLP PC Paint / Pictor Page Image
4st.CLP GoDot Image
4st.CMP Discorp CMP Image
4st.CMT Chinon ES-1000 digital camera Image
4st.CMU CMU Window Manager Image
4st.CMX Corel Metafile Exchange (preview) Image
4st.CP8 CP8 256 Gray Scale Image
4st.CPI Calamus Image
4st.CPT CorelDraw Photopaint Image
4st.CR2 Raw Image File
4st.CRG Calamus Image
4st.CRW Raw Image File
4st.CT Iris CT Image
4st.CUR Mouse Cursor Image
4st.CURSOR Sun Icon/Cursor
4st.CUT Dr Halo Image
4st.CVP Portrait Image
4st.DAT SPOT Image
4st.DCM Dicom Image
4st.DCR Raw Image File
4st.DCX Multipage PCX Image
4st.DCX Zsoft Multi-page Paintbrush Image
4st.DCX Zsoft Publisher's Paintbrush Image
4st.DD Doodle C64 Image
4st.DDS Microsoft DirectDraw Surface
4st.DIA Dia UML Diagram
4st.DIB Windows Bitmap Image
4st.DIS DKB Ray-Tracer Image
4st.DNG Raw Image File
4st.DOO Doodle Atari Image
4st.DPX DPX Image
4st.DRZ Draz Paint Image
4st.DWF AutoCAD Drawing
4st.DWG AutoCAD Drawing
4st.DXF AutoCAD Drawing eXchange Format Drawing
4st.DXF AutoCAD Drawing
4st.ECC Ecchi Image
4st.EI Electric Image
4st.EIDI Electric Image
4st.EIF Eroiica Image
4st.EMF Enhanced Metafile Format Image
4st.EPA Award Bios Logo
4st.EPS Encapsulated PostScript Image
4st.ESM Enhance Simplex Image
4st.FAC Usenix FaceServer Image
4st.FACE Usenix FaceServer Image
4st.FAX Fax Group 3 Image
4st.FBM Fuzzy bitmap Image
4st.FFF Maggi Hairstyles & Cosmetics Image
4st.FI Flash Image
4st.FIG XFig Drawing
4st.FIT FIT Image
4st.FITS Flexible Image Transport System Image
4st.FLC Autodesk Animator Image
4st.FLI Autodesk Animator Image
4st.FPG DIV Game Studio Multi Map Image
4st.FRE Male Normal CT Image
4st.FRM Megalux Frame
4st.FRM PhotoFrame
4st.FSH EA Sports FSH Image
4st.FSY PhotoFantasy Image
4st.FTS Flexible Image Transport System Image
4st.FXO WinFAX Image
4st.FXS WinFAX Image
4st.G3 Fax Group 3 Image
4st.G3N Imaging Fax Image
4st.G4 Access Image
4st.GAF Total Annihilation Image
4st.GB Printfox/Pagefox Image
4st.GBR Gimp Brush Image
4st.GEM Digital Research (GEM Paint) Image
4st.GEO GeoPaint Image
4st.GG Koala Paint (Compressed) Image
4st.GIF Graphics Interchange Format Image
4st.GIFF CompuServe GIF Image
4st.GM Autologic Image
4st.GM2 Autologic Image
4st.GM4 Autologic Image
4st.GRB HP-48/49 GROB Image
4st.GREY Raw Image
4st.GRO HP-48/49 GROB Image
4st.GRY Raw Image
4st.HDR Apollo HDRU Image
4st.HDR ArcInfo Binary Image
4st.HDRU Apollo HDRU Image
4st.HED Hi-Eddi Image
4st.HF HF Image
4st.HIR Hires C64 Image
4st.HPGL HP Graphics Language Image
4st.HPI Hemera Photo Image
4st.HR TRS 80 Image
4st.HRU HRU Image
4st.HRZ Slow Scan Television Image
4st.HTA Hemera Thumbs Image
4st.I17 Pixel Power Collage Image
4st.I18 Pixel Power Collage Image
4st.IB7 Pixel Power Collage Image
4st.ICA IOCA Image
4st.ICB Image Capture Board Image
4st.ICN RIPTerm Image
4st.ICNS Macintosh Icon File
4st.ICO Windows Icon File
4st.ICO Sun Icon/Cursor
4st.ICON Sun Icon/Cursor
4st.IDC Core IDC Image
4st.IF9 Pixel Power Collage Image
4st.IFF Explore (TDI) & Maya Image
4st.IFF Sun TAAC Image
4st.IFF Amiga IFF Image
4st.IIM Inshape Image
4st.IIMG Interleaf Image
4st.ILBM Deluxe Paint, Electronic Arts Image
4st.IM AIM Grey Scale Image
4st.IM5 IM5 (Visilog) Image
4st.IMA AIM Grey Scale Image
4st.IMG ADEX Image
4st.IMG Digital Research (GEM Paint) Image
4st.IMG Imaging Technology Image
4st.IMG Img Software Set Image
4st.IMG Microtek Eyestar Image
4st.IMG Planetary Data System Image
4st.IMG Radiance Image
4st.IMG Sharp GPB Image
4st.IMG Starbase Image
4st.IMG Vivid Ray-Tracer Image
4st.IMG Autocad CAD-Camera Image
4st.IMG Datacopy Image
4st.IMG Vicar Image
4st.IMT IMNET Image
4st.INFO Amiga icon
4st.IOCA IOCA Image
4st.IPG Mindjongg Format Image
4st.IPH InterPaint (Hires) Image
4st.IPT InterPaint (Multicolor) Image
4st.IRIS Iris graphic Image
4st.IRIS Silicon Graphics RGB Image
4st.ISH Image Speeder Image
4st.ISM Image System (Multicolor) Image
4st.ISS ISS Image
4st.ITG Intergraph Format Image
4st.IVB Truevision Targa Image
4st.J JPEG / JFIF Image
4st.J2K LuraWave JPEG-2000 Format Image
4st.J6I Ricoh Digital Camera Image
4st.JBF PaintShopPro Browser Cache File
4st.JBG JBIG Image
4st.JBIG JBIG Image
4st.JFIF Joint Photographic Experts Group Image
4st.JIF Joint Photographic Experts Group Image
4st.JIF Jeff's Image Format Image
4st.JJ Doodle C64 (Compressed) Image
4st.JLS JPEG-LS Image
4st.JNG Jpeg Network Graphics Image
4st.JP2 LuraWave JPEG-2000 Format Image
4st.JPC LuraWave JPEG-2000 Code Stream Image
4st.JPE Joint Photographic Experts Group Image
4st.JPEG Joint Photographic Experts Group Image
4st.JPG Joint Photographic Experts Group Image
4st.JPS Stereo Image
4st.JPX LuraWave JPEG-2000 Format Image
4st.JTF Hayes JTFax Image
4st.K25 Kodak DC25 Camera Image
4st.KDC Raw Image File
4st.KFX Kofax Group 4 Image
4st.KOA Koala Paint Image
4st.KPS IBM Kips Image
4st.KQP Konica Camera File
4st.LBM Deluxe Paint, Electronic Arts Image
4st.LDA LaserData Image
4st.LFF LucasFilm Format Image
4st.LIF Homeworld Texture
4st.LVP LView Pro Image
4st.LWI Light Work Image
4st.M8 Heretic II MipMap Image
4st.MAC Mac Paint Image
4st.MACP Mac Paint Image
4st.MAG MAGIchan Graphics Image
4st.MAP DIV Game Studio Map Image
4st.MAP Fenix Map Image
4st.MBFAVS Stardent AVS X Image
4st.MBFS Stardent AVS X Image
4st.MBM Psion Serie 5 Bitmap Image
4st.MDI Microsoft Document Imaging Image
4st.MDL Half-Life Model Image
4st.MGR MGR bitmap Image
4st.MIF Image Magick file
4st.MIFF Image Magick file
4st.MIL Micro Illustrator Uncompressed Image
4st.MNG Multiple Network Graphics Image
4st.MPNT Mac Paint Image
4st.MRF Marks Russel File
4st.MRW Minolta Raw Image File
4st.MSK PaintShopPro Mask
4st.MSP Microsoft Paint Image
4st.MTV MTV Ray-Tracer Image
4st.MTX Maw-Ware Textures Image
4st.NCD CoverDesigner Image
4st.NCR NCR Image
4st.NCT CoverDesigner Template
4st.NEF Raw Image File
4st.NEO Neochrome (ST & TT) Image
4st.NGG Nokia Group Graphics Image
4st.NITF National Imagery Transmission Image
4st.NLM Nokia Logo File
4st.NOL Nokia Operator Logo
4st.NPM Neopaint Mask
4st.OAZ OAZ Fax Image
4st.OCP Advanced Art Studio Image
4st.OFX Olicom Fax Image
4st.OIL Open Image Library Format Image
4st.ORF Raw Image File
4st.OTB Nokia OTA Image
4st.P64 Picasso 64 Image
4st.P7 XV Visual Schnauzer Image
4st.PAC Stad Image
4st.PAINT Mac Paint Image
4st.PAN SmoothMove Pan Viewer Image
4st.PAT Gimp Pattern
4st.PAT Corel Draw Pattern (preview) Image
4st.PBM Portable Bitmap Image
4st.PBM Portable Bitmap Image
4st.PBT Micro Dynamics MARS Image
4st.PC1 Degas & Degas Elite Image
4st.PC2 Degas & Degas Elite Image
4st.PC3 Degas & Degas Elite Image
4st.PCC Zsoft Publisher's Paintbrush Image
4st.PCD Kodak Photo CD Image
4st.PCL Page Control Language Image
4st.PCT Mac Pict Image
4st.PCT NIST ihdr Image
4st.PCX Zsoft Paintbrush Image
4st.PD Male MRI Image
4st.PDB MonkeyCard Image
4st.PDB MonkeyLogo
4st.PDB Palm Pilot Image
4st.PDB Photo Deluxe Image
4st.PDB TealPaint Image
4st.PDD Photo Deluxe Image
4st.PDN Paint.NET Image
4st.PDS Planetary Data System Image
4st.PDX Mayura Draw Image
4st.PE4 Ulead Texture
4st.PEF Raw Image File
4st.PFR PaintShopPro Frame
4st.PG Printfox/Pagefox Image
4st.PGC Portfolio Graphics Compressed Image
4st.PGF Portfolio Graphics Image
4st.PGM Portable Graymap Image
4st.PHP Adobe PhotoParade Image
4st.PI Blazing Paddles Image
4st.PI1 Degas & Degas Elite Image
4st.PI2 Degas & Degas Elite Image
4st.PI3 Degas & Degas Elite Image
4st.PI4 Degas & Degas Elite Image
4st.PI5 Degas & Degas Elite Image
4st.PI6 Degas & Degas Elite Image
4st.PIC Macintosh Quickdraw/Pict Image
4st.PIC PC Paint / Pictor Page Image
4st.PIC Pixar Image
4st.PIC Radiance Image
4st.PIC Rayshade Image
4st.PIC Advanced Art Studio Image
4st.PIC Bio-Rad confocal Image
4st.PIC Psion Serie 3 Bitmap Image
4st.PIC Softimage
4st.PIC Stad Image
4st.PIC WinMIPS Image
4st.PICIO Pixar Image
4st.PICT Macintosh Quickdraw/Pict Image
4st.PICT2 Macintosh Quickdraw/Pict Image
4st.PIG Ricoh IS30 Image
4st.PIX Alias Image File
4st.PIX Truevision Targa Image
4st.PIX Vort Image
4st.PIX ESM Software Pix Image
4st.PIX PABX Image
4st.PIXAR Pixar Image
4st.PLT HP Graphics Language Image
4st.PM X11 Pixmap Image
4st.PM PM Image
4st.PMG Paint Magic Image
4st.PMP Sony DSC-F1 Cyber-shot Image
4st.PNG Portable Network Graphic Image
4st.PNM Portable Image
4st.PNT Mac Paint Image
4st.PNTG Mac Paint Image
4st.PP4 Micrografx Picture Publisher 4.0 Image
4st.PP5 Micrografx Picture Publisher 5.0 Image
4st.PPM Portable Pixelmap Image
4st.PPP Punk Productions Picture
4st.PR Sun Icon/Cursor
4st.PRC Picture Gear Pocket Image
4st.PRF Polychrome Recursive Format Image
4st.PRI Prisms Image
4st.PSD Adobe Photoshop Image
4st.PSE IBM Printer Page Segment Image
4st.PSF PhotoStudio File
4st.PSP PaintShopPro Image
4st.PST Ulead Pattern
4st.PWP Seattle Film Works multi-image
4st.PXA Pixia Image
4st.PXA Pegs Image
4st.PXB Pixibox Image
4st.PXR Pixar Image
4st.PXS Pegs Image
4st.PZL Puzzle Image
4st.PZP MGI Photosuite Project Image
4st.Q0 Q0 Image
4st.QDV Qdv (Random Dot Software) Image
4st.QRT Qrt Ray-Tracer Image
4st.QTI QuickTime Image Format Image
4st.QTIF QuickTime Image Format Image
4st.QTL YUV 16Bits Image
4st.QTL YUV 4:4:4 Image
4st.QTL YUV 4:1:1 Image
4st.QTL YUV 4:2:2 Image
4st.RAD Radiance Image
4st.RAF Raw Image File
4st.RAS Sun Raster Image
4st.RAST Sun Rasterfile
4st.RAW Raw Image File
4st.RGB Q0 Image
4st.RGB Silicon Graphics RGB Image
4st.RGBA Silicon Graphics RGB Image
4st.RGH ZZ Rough Image
4st.RIX ColoRIX Image
4st.RL4 Windows Bitmap Image
4st.RL8 Windows Bitmap Image
4st.RLA Wavefront Raster Image
4st.RLB Wavefront Raster Image
4st.RLC Image Systems RLC2 Graphic Image
4st.RLE ADEX Image
4st.RLE Intergraph Format Image
4st.RLE Utah raster Image
4st.RLE Windows Bitmap Image
4st.RP Rainbow Painter Image
4st.RPBM Portable Bitmap Image
4st.RPGM Portable Greyscale Image
4st.RPM RunPaint (Multicolor) Image
4st.RPNM Portable Image
4st.RPPM Portable Image
4st.RS Sun Rasterfile
4st.RSB Red Storm Image
4st.SAR Saracen Paint Image
4st.SC2 Msx 2 Screen Image
4st.SCI SciFax Image
4st.SCI ColoRIX Image
4st.SCR Sun Rasterfile
4st.SCR ZX Spectrum Standard Screen Image
4st.SCT SciTex Continuous Tone Image
4st.SCX ColoRIX Image
4st.SD0 Dali Raw Image
4st.SD1 Dali Raw Image
4st.SD2 Dali Raw Image
4st.SDG Star Office Gallery Image
4st.SDT SmartDraw 6 Template
4st.SEQ Stad Image
4st.SFW Seattle Film Works Image
4st.SGF StarWriter Graphics Format Image
4st.SGI Silicon Graphics RGB Image
4st.SGV StarDraw Image
4st.SI Softimage
4st.SIM Aurora Image
4st.SIR BYU SIR Image
4st.SIR Solitaire Image Recorder Image
4st.SJ1 Sega SJ-1 DIGIO Image
4st.SKF Autodesk SKETCH thumbnail Image
4st.SKN Skantek Image
4st.SKP Autodesk SketchUp component Image
4st.SMP Xionics SMP Image
4st.SNA ZX Spectrum Snapshot Image
4st.SPC Spectrum 512 (Compressed) Image
4st.SPS Spectrum 512 (Smooshed) Image
4st.SPU Spectrum 512 Image
4st.SR Sun Rasterfile
4st.SR2 Sony Raw Image File
4st.SRF Sony Raw Image File
4st.SSI SriSun Image
4st.SSP Axialis Screensaver Image
4st.ST4 SBIG CCD camera ST-X Image
4st.ST4 SBIG CCD camera ST-4 Image
4st.ST5 SBIG CCD camera ST-X Image
4st.ST6 SBIG CCD camera ST-X Image
4st.ST7 SBIG CCD camera ST-X Image
4st.ST8 SBIG CCD camera ST-X Image
4st.STM PhotoStudio Stamp Image
4st.STW Neopaint Stamp Image
4st.STX SBIG CCD camera ST-X Image
4st.SUL Gfa Raytrace Image
4st.SUN Sun Rasterfile
4st.SUNIFF Sun TAAC Image
4st.SVG Scalable Vector Graphics Image
4st.SVGZ GZip Compressed Scalable Vector Graphics Image
4st.SYN Synthetic Universe Image
4st.SYNU Synthetic Universe Image
4st.T1 Male MRI Image
4st.T2 Male MRI Image
4st.TAAC Sun TAAC Image
4st.TAP Oric TAP Image
4st.TARGA Truevision Targa Image
4st.TDI Explore (TDI) & Maya Image
4st.TDIM Digital F/X Image
4st.TEX PaintShopPro Texture
4st.TG4 TG4 Image
4st.TGA Truevision Targa Image
4st.THB KinuPix Skin Image
4st.TIF Tagged Image File Format Image
4st.TIFF Tagged Image File Format Image
4st.TIL Buttonz & Tilez texture
4st.TILE Eclipse Image
4st.TIM Sony Playstation TIM Image
4st.TIM TIFF Revision 6 Image
4st.TN1 Tiny Image
4st.TN2 Tiny Image
4st.TN3 Tiny Image
4st.TNL Thumbnail Image
4st.TNY Tiny Image
4st.TTF Optigraphics Tiled Image
4st.TUB PaintShopPro Picture Tube Image
4st.UPI Ulead PhotoImpact Image
4st.URT Utah raster Image
4st.UYVY YUV 16Bits Image
4st.VDA Video Display Adapter Image
4st.VFF Sun TAAC Image
4st.VGA Windows Bitmap Image
4st.VI Jovian VI Image
4st.VIC Vicar Image
4st.VICAR Vicar Image
4st.VID Vidcom 64 Image
4st.VIF Khoros Visualization Image file
4st.VIF Verity Image
4st.VIFF Khoros Visualization Image file
4st.VIT VITec Image
4st.VOB Vue d'esprit Image
4st.VPB Quantel VPB Image
4st.VST Vista Image
4st.WAD WAD (Half Life) Image
4st.WAL Quake Texture
4st.WAP Wireless Bitmap Image
4st.WBC WebShots Image
4st.WBM Wireless Bitmap Image
4st.WBMP Wireless Bitmap Image
4st.WBZ WebShots Image
4st.WFX WinFAX Image
4st.WPG WordPerfect Graphics Image
4st.WRL VRML2 Image
4st.X Stardent AVS X Image
4st.X11 X Windows System Dump Image
4st.X3F Raw Image File
4st.XAR Xara Image
4st.XBM X Bitmap Image
4st.XCF Gimp Bitmap Image
4st.XIF Xerox DIFF Image
4st.XIM Ximage
4st.XP0 SecretPhotos Puzzle Image
4st.XPM X PixMap Image
4st.XV Khoros Visualization Image file
4st.XWD X Windows System Dump Image
4st.YUV YUV 16Bits Image
4st.YUV YUV 4:1:1 Image
4st.YUV YUV 4:2:2 Image
4st.YUV YUV 4:4:4 Image
4st.ZBR Zoner Zebra Metafile
4st.ZMF Zoner Callisto Metafile
4st.[B] Amica Paint Image
Types of Metadata Files
4st.ABT AbiWord Template
4st.ASA ASP Configuration File
4st.ASX Advanced Stream Redirector
4st.B4S Winamp 3+ Playlist
4st.BTSEARCH BitTorrent Search File
4st.BUP DVD Information File
4st.CGM Computer Graphics Metafile
4st.CKZ CKZ Checksum File
4st.CODE eXtensible Stylesheet Language Transformation File
4st.CONFIG Configuration File
4st.CRC Cyclic Redundancy Check Checksum File
4st.CUE Cue Sheet
4st.DOT Microsoft Word Template
4st.DOTM Microsoft Word XML Template
4st.DOTX Microsoft Open XML Word Template
4st.EMF Enhanced Metafile
4st.IFO DVD Information File
4st.INI Initialization File
4st.M3U MP3 Uniform Resource Locator
4st.MANIFEST Windows Assembly Manifest File
4st.MD5 MD5 Checksum File
4st.MET OS/2 Metafile
4st.MP TeX Metapost Macro
4st.NFO Downloaded Program Information
4st.OTP ODF Presentation Template
4st.OTS ODF Spreadsheet Template
4st.OTT ODF Text Document Template
4st.PAR Parity Checksum File
4st.PLS Playlist
4st.POT Microsoft PowerPoint Template
4st.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
4st.POTX Microsoft Open XML PowerPoint Template
4st.SFV SFV Checksum File
4st.SHAPE Dia Shape File
4st.SRT DVD Subtitles File
4st.STC OpenOffice.org 1.0 Spreadsheet Template
4st.STI OpenOffice.org 1.0 Presentation Template
4st.STW OpenOffice.org 1.0 Text Document Template
4st.SVM StarView MetaFile
4st.TEX TeX PSTricks Macro
4st.TORRENT BitTorrent Tracker File
4st.VLC VLC Media Player Data
4st.VOR StarWriter Template
4st.VOR StarCalc Template
4st.VOR StarImpress Template
4st.WMF Windows Metafile
4st.XLM Microsoft Excel Macro
4st.XLT Microsoft Excel Template
4st.XLTM Microsoft Excel XML Template
4st.XLTX Microsoft Excel XML Template
4st.XLW Microsoft Excel Workspace
4st.XSPF XML Shareable Playlist Format
Types of Plugins
4st.XPI Firefox Plugin
Types of Presentations
4st.ODG ODF Drawing Presentation
4st.ODP ODF Presentation
4st.PPS Microsoft PowerPoint Show
4st.PPSX Microsoft Open XML PowerPoint Show
4st.PPT Microsoft PowerPoint Presentation
4st.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
4st.PPTX Microsoft Open XML PowerPoint Presentation
4st.SDA StarDraw Drawing
4st.SDD StarDraw Drawing
4st.SDD StarImpress Presentation
4st.SXD Microsoft OpenOffice.org 1.0 Drawing
4st.SXI OpenOffice.org 1.0 Presentation
4st.UOF Unified Office Format Presentation
4st.UOP Unified Office Format Presentation
Types of Shell Scripts
4st.AU3 AutoIt Script
4st.BAT Windows Batch File
4st.BSH Bash Shell Script
4st.SH Unix Shell Script
Types of Source Code
4st.ASAX ASP.Net Open XML Configuration File
4st.ASP Active Server Page Source File
4st.ASPX ASP.Net Open XML Source File
4st.C C Source File
4st.CGI Perl Source File
4st.CPP C++ Source File
4st.CS C# Source File
4st.CSPROJ C# Project File
4st.CSS Cascading Style Sheets Source File
4st.CXX C++ Source File
4st.H C Header File
4st.HPP C++ Header File
4st.HTA
4st.HTM Hypertext Markup Language Source File
4st/value/4st Hypertext Markup Language Source File
4st.JAVA JAVA Source File
4st.JS JavaScript Source File
4st.JSP JavaServer Pages Source File
4st.MHT
4st./value/4st
4st.PHP PHP Source File
4st.PHP3 PHP3 Source File
4st.PL Perl Source File
4st.PM Perl Module
4st.RC C++ Resource Compiler Script
4st./value/4st Server Side Includes/value/4st File
4st.SQL SQL Database Query
4st.STM Server Side Includes/value/4st File
4st.VB Visual Basic .Net Source File
4st.VBPROJ Visual Basic .Net Project File
4st.VBS Visual Basic Script
4st.XAML Extensible Application Markup Language
4st.XML Extensible Markup Language
Types of Spreadsheets
4st.123 IBM Lotus 1-2-3 Spreadsheet
4st.DIF Data Interchange Format Document
4st.ODS ODF Spreadsheet
4st.PXL Pocket Excel Spreadsheet
4st.SDC StarCalc Spreadsheet
4st.SLK SYLK Spreadsheet
4st.SXC OpenOffice.org 1.0 Spreadsheet
4st.UOF Unified Office Format Spreadsheet
4st.UOS Unified Office Format Spreadsheet
4st.WB2 Quattro Pro Spreadsheet
4st.WK1 Lotus 1-2-3 Spreadsheet
4st.WKS Lotus 1-2-3 Spreadsheet
4st.XLC Microsoft Excel Chart
4st.XLS Microsoft Excel Spreadsheet
4st.XLSB Microsoft Excel Binary Spreadsheet
4st.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
4st.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
4st.3G2 3G Mobile Phone Video
4st.3GP 3G Mobile Phone Video
4st.ASF Advanced Systems Format Video
4st.AVI Audio Video Interleave
4st.BIK Bink Video
4st.BIN Binary DVD Video
4st.DAT VCD Video
4st.DIVX DivX Movie
4st.DV Digital Video
4st.FLV Flash Video
4st.GXF General eXchange Format
4st.M1V MPEG-1 Video
4st.M2TS MPEG-2 Transport Stream Videos
4st.M2V MPEG-2 Video
4st.M4V MPEG-4 Video File
4st.MKV Matroska Video Stream
4st.MOV Apple QuickTime Movie
4st.MP4 MPEG-4 Part 14 Multimedia Container
4st.MPEG MPEG Video
4st.MPEG1 MPEG-1 Video
4st.MPEG2 MPEG-2 Video
4st.MPEG4 MPEG-4 Video
4st.MPG MPEG Video
4st.MTS AVCHD Video File
4st.MXF Material eXchange Format
4st.OGM Ogg Multimedia Container File
4st.RM RealMedia Streaming Media File
4st.RMVB RealMedia Variable Bitrate Media File
4st.SWF Adobe Flash Movie
4st.TS DVD Video
4st.VOB DVD Video Object
4st.WMV Windows Media Video
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