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