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Types of Assemblies
cos3.DLL Dynamic Link Library
cos3.EXE Windows Executable File
Types of Audio Files
cos3.A52 Dolby Digital AC-3 Compressed Audio File
cos3.AAC Advanced Audio Coding Compressed Audio File
cos3.AC3 Dolby Digital AC-3 Compressed Audio File
cos3.AIF Audio Interchange Format File
cos3.APE Monkey's Audio Compressed Audio File
cos3.AU Sun / NeXT Audio File
cos3.DTS Digital Theater Systems Audio File
cos3.FLAC Free Lossless Audio Codec Compressed Audio FIle
cos3.M4A MPEG-4 Audio File
cos3.M4P Protected AAC File
cos3.MID MIDI Audio Sequence
cos3.MKA Matroska Audio Stream
cos3.MOD MOD Audio File
cos3.MP1 MPEG-1 Audio Layer I
cos3.MP2 MPEG-1 Audio Layer II
cos3.MP3 MPEG-1 Audio Layer 3
cos3.OGG Ogg Multimedia Container File
cos3.OMA OpenMG Audio File
cos3.RA RealMedia Audio File
cos3.RAM RealMedia Audio File
cos3.SND Sun / NeXT Audio File
cos3.SPX Ogg Speex Audio File
cos3.WAV Waveform Audio
cos3.WMA Windows Media Audio File
cos3.WV WavPack Compressed Audio File
cos3.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
cos3.7Z 7-Zip Compressed Archive
cos3.ACE Ace Compressed Archive
cos3.ARJ Archived by Robert Jung Compressed Archive
cos3.BZ BZip Compressed Archive
cos3.BZ2 BZip2 Compressed Archive
cos3.CAB Cabinet Compressed Archive
cos3.CPIO CPIO Compressed Archive
cos3.GZ GNU Zip Compressed Archive
cos3.JAR Java Archive
cos3.LHA LHA Compressed Archive
cos3.LZH Lempel-Ziv and Haruyasu Compressed Archive
cos3.R00 WinRAR Archive Partial File
cos3.RAR WinRAR Compressed Archive
cos3.REV WinRAR Recovery Volume
cos3.TAR TAR Archive
cos3.TAZ TAR Compressed Archive
cos3.TBZ BZip Compressed Tar Archive
cos3.TBZ2 BZip2 Compressed Tar Archive
cos3.TGZ GZip Compressed Tar Archive
cos3.UU Uuencoded File
cos3.UUE Uuencoded File
cos3.XXE Compressed ASCII Archive
cos3.Z Unix Compressed Archive
cos3.ZIP Zip Compressed Archive
Types of Data Files
cos3.CSV Comma Separated Value Database
cos3.DAT Data File
cos3.DBF dBASE Database
cos3.ICL Icon Library
cos3.MNL MathML Data
cos3.NWP Magentic Content File
cos3.ODB ODF Database
cos3.ODF ODF Formula
cos3.PART Partially Downloaded File
cos3.SMF StarMath Data
cos3.SXM OpenOffice.org 1.0 Formula
cos3.TMP Temporary File
cos3.TXT Comma Separated Value Database
cos3.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
cos3.B5I B5I Disk Image
cos3.B5T B5T Disk Image
cos3.BIN Binary Disk Image
cos3.BWI BlinkWrite Disk Image
cos3.BWT BlinkWrite Disk Image
cos3.C2D C2D Disk Image
cos3.CCD CCD Disk Image
cos3.CD CD Disk Image
cos3.CDI CD Image File
cos3.CDR Raw CD Audio File
cos3.CIF CIF Disk Image
cos3.DAO DAO Disk Image
cos3.DI Raw CD Audio File
cos3.DMG Mac OS X Disk Image
cos3.DVD DVD Disk Image
cos3.FCD FCD Disk Image
cos3.FLP FLP Disk Image
cos3.GCD GCD Disk Image
cos3.GCM GameCube Image File
cos3.GI Global Disk Image
cos3.IBB IBB Disk Image
cos3.IBP IBP Disk Image
cos3.IBQ IsoBuster Disk Image
cos3.IMG Disk Image File
cos3.ISO ISO 9660 Disk Image
cos3.LST DVD Image List
cos3.MDF MDF Disk Image
cos3.MDS MDS CD/DVD Image
cos3.NRG Nero Disk Image
cos3.P01 P01 Disk Image
cos3.PDI InstantCopy Disc Image
cos3.PXI PXI Disk Image
cos3.TAO TAO Disk Image
cos3.UDI Universal Disk Image
cos3.VC4 VC4 Disk Image
cos3.VCD Farstone Virtual Drive
cos3.VDI Virtuo CD Manager Disk Image
Types of Documents
cos3.ABW AbiWord Document
cos3.CHM Compiled Help File
cos3.DJV DjVu Document
cos3.DJVU DjVu Document
cos3.DOC Corel WordPerfect Document
cos3.DOC Microsoft Word Document
cos3.DOCM Microsoft Word XML Document
cos3.DOCX Microsoft Open XML Word Document
cos3.GAN GanttProject File
cos3.HWP Hangul Word Processor Document
cos3.LOG Log File
cos3.ODM ODF Master Document
cos3.ODT ODF Text Document
cos3.OTH
cos3.PDB Palm AportisDoc Document
cos3.PDF Portable Document Format Document
cos3.PSW Pocket Word Document
cos3.RTF Rich Text Format Document
cos3.SDW StarWriter Document
cos3.SGL StarWriter Master Document
cos3.STW OpenOffice.org 1.0/value/cos3 Template
cos3.SXG OpenOffice.org 1.0 Master Document
cos3.SXW OpenOffice.org 1.0 Text Document
cos3.TXT Text Document
cos3.UOF Unified Office Format Document
cos3.UOT Unified Office Format Document
cos3.WPD WordPerfect Document
cos3.WPS Microsoft Works Document
cos3.XML DocBook Document
Types of Images
cos3.!S ZX Spectrum Hobetta Image
cos3.$C ZX Spectrum Hobetta Image
cos3.$S ZX Spectrum Hobetta Image
cos3.001 Ricoh Fax Image
cos3.001 SmartFax Image
cos3.16 LSS16 Image
cos3.2BP Pocket PC Bitmap Image
cos3.2D Amapi Image
cos3.301 Brooktrout 301 Image
cos3.3FR Hasselblad 3F RAW Image
cos3.411 Mavica Image
cos3.4BIT GoDot Image
cos3.4BT GoDot Image
cos3.73I TI Bitmap Image
cos3.82I TI Bitmap Image
cos3.83I TI Bitmap Image
cos3.85I TI Bitmap Image
cos3.86I TI Bitmap Image
cos3.89I TI Bitmap Image
cos3.92I TI Bitmap Image
cos3.A64 Artist 64 Image
cos3.ABS Optocat Image
cos3.ACE Aces200 Image
cos3.ACR Dicom Image
cos3.AFX Auto F/X Image
cos3.ALIAS Alias Image File
cos3.ALS Alias Image File
cos3.AMI Amica Paint Image
cos3.ANI Animated Mouse Cursor Image
cos3.ANI Windows Animated Cursor
cos3.ANV AirNav Image
cos3.APX Photopaint Image
cos3.ARF ARF Image
cos3.ARN Astronomical Research Network Image
cos3.ART Art Director Image
cos3.ART Artisan Image
cos3.ART Advanced Art Studio Image
cos3.ART Pfs Art Publisher Image
cos3.ATK Andrew Toolkit raster object Image
cos3.ATT AT&T Group 4 Image
cos3.AVS Stardent AVS X Image
cos3.B&W ImageLab Image
cos3.B16 PCO Image
cos3.B3D B3D (images) Image
cos3.BFL BFLI Image
cos3.BFLI BFLI Image
cos3.BFX Bfx Bitware Image
cos3.BGA OS/2 Bitmap Image
cos3.BIE JBIG Image
cos3.BIF byLight Image
cos3.BIG Cartes Michelin Image
cos3.BLD MegaPaint Image
cos3.BLK Amiga IFF Image
cos3.BM X11 Bitmap Image
cos3.BMC Embroidery Image
cos3.BMF BMF Image
cos3.BMP Windows Bitmap Image
cos3.BMP Alpha Microsystems BMP Image
cos3.BMS Playback Bitmap Sequence Image
cos3.BOB Bob Raytracer Image
cos3.BPX Truevision Targa Image
cos3.BRK Brooktrout 301 Image
cos3.BRT Brooktrout 301 Image
cos3.BS Printfox/Pagefox Image
cos3.BTN JustButtons animated bitmap Image
cos3.BUM Poser Bump Image
cos3.BW Silicon Graphics RGB Image
cos3.B_W ImageLab Image
cos3.C4 Edmics Image
cos3.CAL CALS Raster Image
cos3.CALS CALS Raster Image
cos3.CAM Casio QV-10/100 Camera Image
cos3.CAN Canon Navigator Fax Image
cos3.CAR NeoBook Cartoon Image
cos3.CAT Photomatrix Image
cos3.CBM Fuzzy bitmap Image
cos3.CDR Corel Draw Bitmap (preview) Image
cos3.CDU CDU Paint Image
cos3.CE Computer Eyes, Digital Vision Image
cos3.CE1 ComputerEyes Raw Image
cos3.CE2 ComputerEyes Raw Image
cos3.CEL Kiss Cel Image
cos3.CFT Optigraphics Image
cos3.CIN Kodak Cineon Image
cos3.CIT Intergraph Format Image
cos3.CLO Cloe Ray-Tracer Image
cos3.CLOE Cloe Ray-Tracer Image
cos3.CLP Windows Clipboard Image
cos3.CLP PC Paint / Pictor Page Image
cos3.CLP GoDot Image
cos3.CMP Discorp CMP Image
cos3.CMT Chinon ES-1000 digital camera Image
cos3.CMU CMU Window Manager Image
cos3.CMX Corel Metafile Exchange (preview) Image
cos3.CP8 CP8 256 Gray Scale Image
cos3.CPI Calamus Image
cos3.CPT CorelDraw Photopaint Image
cos3.CR2 Raw Image File
cos3.CRG Calamus Image
cos3.CRW Raw Image File
cos3.CT Iris CT Image
cos3.CUR Mouse Cursor Image
cos3.CURSOR Sun Icon/Cursor
cos3.CUT Dr Halo Image
cos3.CVP Portrait Image
cos3.DAT SPOT Image
cos3.DCM Dicom Image
cos3.DCR Raw Image File
cos3.DCX Multipage PCX Image
cos3.DCX Zsoft Multi-page Paintbrush Image
cos3.DCX Zsoft Publisher's Paintbrush Image
cos3.DD Doodle C64 Image
cos3.DDS Microsoft DirectDraw Surface
cos3.DIA Dia UML Diagram
cos3.DIB Windows Bitmap Image
cos3.DIS DKB Ray-Tracer Image
cos3.DNG Raw Image File
cos3.DOO Doodle Atari Image
cos3.DPX DPX Image
cos3.DRZ Draz Paint Image
cos3.DWF AutoCAD Drawing
cos3.DWG AutoCAD Drawing
cos3.DXF AutoCAD Drawing eXchange Format Drawing
cos3.DXF AutoCAD Drawing
cos3.ECC Ecchi Image
cos3.EI Electric Image
cos3.EIDI Electric Image
cos3.EIF Eroiica Image
cos3.EMF Enhanced Metafile Format Image
cos3.EPA Award Bios Logo
cos3.EPS Encapsulated PostScript Image
cos3.ESM Enhance Simplex Image
cos3.FAC Usenix FaceServer Image
cos3.FACE Usenix FaceServer Image
cos3.FAX Fax Group 3 Image
cos3.FBM Fuzzy bitmap Image
cos3.FFF Maggi Hairstyles & Cosmetics Image
cos3.FI Flash Image
cos3.FIG XFig Drawing
cos3.FIT FIT Image
cos3.FITS Flexible Image Transport System Image
cos3.FLC Autodesk Animator Image
cos3.FLI Autodesk Animator Image
cos3.FPG DIV Game Studio Multi Map Image
cos3.FRE Male Normal CT Image
cos3.FRM Megalux Frame
cos3.FRM PhotoFrame
cos3.FSH EA Sports FSH Image
cos3.FSY PhotoFantasy Image
cos3.FTS Flexible Image Transport System Image
cos3.FXO WinFAX Image
cos3.FXS WinFAX Image
cos3.G3 Fax Group 3 Image
cos3.G3N Imaging Fax Image
cos3.G4 Access Image
cos3.GAF Total Annihilation Image
cos3.GB Printfox/Pagefox Image
cos3.GBR Gimp Brush Image
cos3.GEM Digital Research (GEM Paint) Image
cos3.GEO GeoPaint Image
cos3.GG Koala Paint (Compressed) Image
cos3.GIF Graphics Interchange Format Image
cos3.GIFF CompuServe GIF Image
cos3.GM Autologic Image
cos3.GM2 Autologic Image
cos3.GM4 Autologic Image
cos3.GRB HP-48/49 GROB Image
cos3.GREY Raw Image
cos3.GRO HP-48/49 GROB Image
cos3.GRY Raw Image
cos3.HDR Apollo HDRU Image
cos3.HDR ArcInfo Binary Image
cos3.HDRU Apollo HDRU Image
cos3.HED Hi-Eddi Image
cos3.HF HF Image
cos3.HIR Hires C64 Image
cos3.HPGL HP Graphics Language Image
cos3.HPI Hemera Photo Image
cos3.HR TRS 80 Image
cos3.HRU HRU Image
cos3.HRZ Slow Scan Television Image
cos3.HTA Hemera Thumbs Image
cos3.I17 Pixel Power Collage Image
cos3.I18 Pixel Power Collage Image
cos3.IB7 Pixel Power Collage Image
cos3.ICA IOCA Image
cos3.ICB Image Capture Board Image
cos3.ICN RIPTerm Image
cos3.ICNS Macintosh Icon File
cos3.ICO Windows Icon File
cos3.ICO Sun Icon/Cursor
cos3.ICON Sun Icon/Cursor
cos3.IDC Core IDC Image
cos3.IF9 Pixel Power Collage Image
cos3.IFF Explore (TDI) & Maya Image
cos3.IFF Sun TAAC Image
cos3.IFF Amiga IFF Image
cos3.IIM Inshape Image
cos3.IIMG Interleaf Image
cos3.ILBM Deluxe Paint, Electronic Arts Image
cos3.IM AIM Grey Scale Image
cos3.IM5 IM5 (Visilog) Image
cos3.IMA AIM Grey Scale Image
cos3.IMG ADEX Image
cos3.IMG Digital Research (GEM Paint) Image
cos3.IMG Imaging Technology Image
cos3.IMG Img Software Set Image
cos3.IMG Microtek Eyestar Image
cos3.IMG Planetary Data System Image
cos3.IMG Radiance Image
cos3.IMG Sharp GPB Image
cos3.IMG Starbase Image
cos3.IMG Vivid Ray-Tracer Image
cos3.IMG Autocad CAD-Camera Image
cos3.IMG Datacopy Image
cos3.IMG Vicar Image
cos3.IMT IMNET Image
cos3.INFO Amiga icon
cos3.IOCA IOCA Image
cos3.IPG Mindjongg Format Image
cos3.IPH InterPaint (Hires) Image
cos3.IPT InterPaint (Multicolor) Image
cos3.IRIS Iris graphic Image
cos3.IRIS Silicon Graphics RGB Image
cos3.ISH Image Speeder Image
cos3.ISM Image System (Multicolor) Image
cos3.ISS ISS Image
cos3.ITG Intergraph Format Image
cos3.IVB Truevision Targa Image
cos3.J JPEG / JFIF Image
cos3.J2K LuraWave JPEG-2000 Format Image
cos3.J6I Ricoh Digital Camera Image
cos3.JBF PaintShopPro Browser Cache File
cos3.JBG JBIG Image
cos3.JBIG JBIG Image
cos3.JFIF Joint Photographic Experts Group Image
cos3.JIF Joint Photographic Experts Group Image
cos3.JIF Jeff's Image Format Image
cos3.JJ Doodle C64 (Compressed) Image
cos3.JLS JPEG-LS Image
cos3.JNG Jpeg Network Graphics Image
cos3.JP2 LuraWave JPEG-2000 Format Image
cos3.JPC LuraWave JPEG-2000 Code Stream Image
cos3.JPE Joint Photographic Experts Group Image
cos3.JPEG Joint Photographic Experts Group Image
cos3.JPG Joint Photographic Experts Group Image
cos3.JPS Stereo Image
cos3.JPX LuraWave JPEG-2000 Format Image
cos3.JTF Hayes JTFax Image
cos3.K25 Kodak DC25 Camera Image
cos3.KDC Raw Image File
cos3.KFX Kofax Group 4 Image
cos3.KOA Koala Paint Image
cos3.KPS IBM Kips Image
cos3.KQP Konica Camera File
cos3.LBM Deluxe Paint, Electronic Arts Image
cos3.LDA LaserData Image
cos3.LFF LucasFilm Format Image
cos3.LIF Homeworld Texture
cos3.LVP LView Pro Image
cos3.LWI Light Work Image
cos3.M8 Heretic II MipMap Image
cos3.MAC Mac Paint Image
cos3.MACP Mac Paint Image
cos3.MAG MAGIchan Graphics Image
cos3.MAP DIV Game Studio Map Image
cos3.MAP Fenix Map Image
cos3.MBFAVS Stardent AVS X Image
cos3.MBFS Stardent AVS X Image
cos3.MBM Psion Serie 5 Bitmap Image
cos3.MDI Microsoft Document Imaging Image
cos3.MDL Half-Life Model Image
cos3.MGR MGR bitmap Image
cos3.MIF Image Magick file
cos3.MIFF Image Magick file
cos3.MIL Micro Illustrator Uncompressed Image
cos3.MNG Multiple Network Graphics Image
cos3.MPNT Mac Paint Image
cos3.MRF Marks Russel File
cos3.MRW Minolta Raw Image File
cos3.MSK PaintShopPro Mask
cos3.MSP Microsoft Paint Image
cos3.MTV MTV Ray-Tracer Image
cos3.MTX Maw-Ware Textures Image
cos3.NCD CoverDesigner Image
cos3.NCR NCR Image
cos3.NCT CoverDesigner Template
cos3.NEF Raw Image File
cos3.NEO Neochrome (ST & TT) Image
cos3.NGG Nokia Group Graphics Image
cos3.NITF National Imagery Transmission Image
cos3.NLM Nokia Logo File
cos3.NOL Nokia Operator Logo
cos3.NPM Neopaint Mask
cos3.OAZ OAZ Fax Image
cos3.OCP Advanced Art Studio Image
cos3.OFX Olicom Fax Image
cos3.OIL Open Image Library Format Image
cos3.ORF Raw Image File
cos3.OTB Nokia OTA Image
cos3.P64 Picasso 64 Image
cos3.P7 XV Visual Schnauzer Image
cos3.PAC Stad Image
cos3.PAINT Mac Paint Image
cos3.PAN SmoothMove Pan Viewer Image
cos3.PAT Gimp Pattern
cos3.PAT Corel Draw Pattern (preview) Image
cos3.PBM Portable Bitmap Image
cos3.PBM Portable Bitmap Image
cos3.PBT Micro Dynamics MARS Image
cos3.PC1 Degas & Degas Elite Image
cos3.PC2 Degas & Degas Elite Image
cos3.PC3 Degas & Degas Elite Image
cos3.PCC Zsoft Publisher's Paintbrush Image
cos3.PCD Kodak Photo CD Image
cos3.PCL Page Control Language Image
cos3.PCT Mac Pict Image
cos3.PCT NIST ihdr Image
cos3.PCX Zsoft Paintbrush Image
cos3.PD Male MRI Image
cos3.PDB MonkeyCard Image
cos3.PDB MonkeyLogo
cos3.PDB Palm Pilot Image
cos3.PDB Photo Deluxe Image
cos3.PDB TealPaint Image
cos3.PDD Photo Deluxe Image
cos3.PDN Paint.NET Image
cos3.PDS Planetary Data System Image
cos3.PDX Mayura Draw Image
cos3.PE4 Ulead Texture
cos3.PEF Raw Image File
cos3.PFR PaintShopPro Frame
cos3.PG Printfox/Pagefox Image
cos3.PGC Portfolio Graphics Compressed Image
cos3.PGF Portfolio Graphics Image
cos3.PGM Portable Graymap Image
cos3.PHP Adobe PhotoParade Image
cos3.PI Blazing Paddles Image
cos3.PI1 Degas & Degas Elite Image
cos3.PI2 Degas & Degas Elite Image
cos3.PI3 Degas & Degas Elite Image
cos3.PI4 Degas & Degas Elite Image
cos3.PI5 Degas & Degas Elite Image
cos3.PI6 Degas & Degas Elite Image
cos3.PIC Macintosh Quickdraw/Pict Image
cos3.PIC PC Paint / Pictor Page Image
cos3.PIC Pixar Image
cos3.PIC Radiance Image
cos3.PIC Rayshade Image
cos3.PIC Advanced Art Studio Image
cos3.PIC Bio-Rad confocal Image
cos3.PIC Psion Serie 3 Bitmap Image
cos3.PIC Softimage
cos3.PIC Stad Image
cos3.PIC WinMIPS Image
cos3.PICIO Pixar Image
cos3.PICT Macintosh Quickdraw/Pict Image
cos3.PICT2 Macintosh Quickdraw/Pict Image
cos3.PIG Ricoh IS30 Image
cos3.PIX Alias Image File
cos3.PIX Truevision Targa Image
cos3.PIX Vort Image
cos3.PIX ESM Software Pix Image
cos3.PIX PABX Image
cos3.PIXAR Pixar Image
cos3.PLT HP Graphics Language Image
cos3.PM X11 Pixmap Image
cos3.PM PM Image
cos3.PMG Paint Magic Image
cos3.PMP Sony DSC-F1 Cyber-shot Image
cos3.PNG Portable Network Graphic Image
cos3.PNM Portable Image
cos3.PNT Mac Paint Image
cos3.PNTG Mac Paint Image
cos3.PP4 Micrografx Picture Publisher 4.0 Image
cos3.PP5 Micrografx Picture Publisher 5.0 Image
cos3.PPM Portable Pixelmap Image
cos3.PPP Punk Productions Picture
cos3.PR Sun Icon/Cursor
cos3.PRC Picture Gear Pocket Image
cos3.PRF Polychrome Recursive Format Image
cos3.PRI Prisms Image
cos3.PSD Adobe Photoshop Image
cos3.PSE IBM Printer Page Segment Image
cos3.PSF PhotoStudio File
cos3.PSP PaintShopPro Image
cos3.PST Ulead Pattern
cos3.PWP Seattle Film Works multi-image
cos3.PXA Pixia Image
cos3.PXA Pegs Image
cos3.PXB Pixibox Image
cos3.PXR Pixar Image
cos3.PXS Pegs Image
cos3.PZL Puzzle Image
cos3.PZP MGI Photosuite Project Image
cos3.Q0 Q0 Image
cos3.QDV Qdv (Random Dot Software) Image
cos3.QRT Qrt Ray-Tracer Image
cos3.QTI QuickTime Image Format Image
cos3.QTIF QuickTime Image Format Image
cos3.QTL YUV 16Bits Image
cos3.QTL YUV 4:4:4 Image
cos3.QTL YUV 4:1:1 Image
cos3.QTL YUV 4:2:2 Image
cos3.RAD Radiance Image
cos3.RAF Raw Image File
cos3.RAS Sun Raster Image
cos3.RAST Sun Rasterfile
cos3.RAW Raw Image File
cos3.RGB Q0 Image
cos3.RGB Silicon Graphics RGB Image
cos3.RGBA Silicon Graphics RGB Image
cos3.RGH ZZ Rough Image
cos3.RIX ColoRIX Image
cos3.RL4 Windows Bitmap Image
cos3.RL8 Windows Bitmap Image
cos3.RLA Wavefront Raster Image
cos3.RLB Wavefront Raster Image
cos3.RLC Image Systems RLC2 Graphic Image
cos3.RLE ADEX Image
cos3.RLE Intergraph Format Image
cos3.RLE Utah raster Image
cos3.RLE Windows Bitmap Image
cos3.RP Rainbow Painter Image
cos3.RPBM Portable Bitmap Image
cos3.RPGM Portable Greyscale Image
cos3.RPM RunPaint (Multicolor) Image
cos3.RPNM Portable Image
cos3.RPPM Portable Image
cos3.RS Sun Rasterfile
cos3.RSB Red Storm Image
cos3.SAR Saracen Paint Image
cos3.SC2 Msx 2 Screen Image
cos3.SCI SciFax Image
cos3.SCI ColoRIX Image
cos3.SCR Sun Rasterfile
cos3.SCR ZX Spectrum Standard Screen Image
cos3.SCT SciTex Continuous Tone Image
cos3.SCX ColoRIX Image
cos3.SD0 Dali Raw Image
cos3.SD1 Dali Raw Image
cos3.SD2 Dali Raw Image
cos3.SDG Star Office Gallery Image
cos3.SDT SmartDraw 6 Template
cos3.SEQ Stad Image
cos3.SFW Seattle Film Works Image
cos3.SGF StarWriter Graphics Format Image
cos3.SGI Silicon Graphics RGB Image
cos3.SGV StarDraw Image
cos3.SI Softimage
cos3.SIM Aurora Image
cos3.SIR BYU SIR Image
cos3.SIR Solitaire Image Recorder Image
cos3.SJ1 Sega SJ-1 DIGIO Image
cos3.SKF Autodesk SKETCH thumbnail Image
cos3.SKN Skantek Image
cos3.SKP Autodesk SketchUp component Image
cos3.SMP Xionics SMP Image
cos3.SNA ZX Spectrum Snapshot Image
cos3.SPC Spectrum 512 (Compressed) Image
cos3.SPS Spectrum 512 (Smooshed) Image
cos3.SPU Spectrum 512 Image
cos3.SR Sun Rasterfile
cos3.SR2 Sony Raw Image File
cos3.SRF Sony Raw Image File
cos3.SSI SriSun Image
cos3.SSP Axialis Screensaver Image
cos3.ST4 SBIG CCD camera ST-X Image
cos3.ST4 SBIG CCD camera ST-4 Image
cos3.ST5 SBIG CCD camera ST-X Image
cos3.ST6 SBIG CCD camera ST-X Image
cos3.ST7 SBIG CCD camera ST-X Image
cos3.ST8 SBIG CCD camera ST-X Image
cos3.STM PhotoStudio Stamp Image
cos3.STW Neopaint Stamp Image
cos3.STX SBIG CCD camera ST-X Image
cos3.SUL Gfa Raytrace Image
cos3.SUN Sun Rasterfile
cos3.SUNIFF Sun TAAC Image
cos3.SVG Scalable Vector Graphics Image
cos3.SVGZ GZip Compressed Scalable Vector Graphics Image
cos3.SYN Synthetic Universe Image
cos3.SYNU Synthetic Universe Image
cos3.T1 Male MRI Image
cos3.T2 Male MRI Image
cos3.TAAC Sun TAAC Image
cos3.TAP Oric TAP Image
cos3.TARGA Truevision Targa Image
cos3.TDI Explore (TDI) & Maya Image
cos3.TDIM Digital F/X Image
cos3.TEX PaintShopPro Texture
cos3.TG4 TG4 Image
cos3.TGA Truevision Targa Image
cos3.THB KinuPix Skin Image
cos3.TIF Tagged Image File Format Image
cos3.TIFF Tagged Image File Format Image
cos3.TIL Buttonz & Tilez texture
cos3.TILE Eclipse Image
cos3.TIM Sony Playstation TIM Image
cos3.TIM TIFF Revision 6 Image
cos3.TN1 Tiny Image
cos3.TN2 Tiny Image
cos3.TN3 Tiny Image
cos3.TNL Thumbnail Image
cos3.TNY Tiny Image
cos3.TTF Optigraphics Tiled Image
cos3.TUB PaintShopPro Picture Tube Image
cos3.UPI Ulead PhotoImpact Image
cos3.URT Utah raster Image
cos3.UYVY YUV 16Bits Image
cos3.VDA Video Display Adapter Image
cos3.VFF Sun TAAC Image
cos3.VGA Windows Bitmap Image
cos3.VI Jovian VI Image
cos3.VIC Vicar Image
cos3.VICAR Vicar Image
cos3.VID Vidcom 64 Image
cos3.VIF Khoros Visualization Image file
cos3.VIF Verity Image
cos3.VIFF Khoros Visualization Image file
cos3.VIT VITec Image
cos3.VOB Vue d'esprit Image
cos3.VPB Quantel VPB Image
cos3.VST Vista Image
cos3.WAD WAD (Half Life) Image
cos3.WAL Quake Texture
cos3.WAP Wireless Bitmap Image
cos3.WBC WebShots Image
cos3.WBM Wireless Bitmap Image
cos3.WBMP Wireless Bitmap Image
cos3.WBZ WebShots Image
cos3.WFX WinFAX Image
cos3.WPG WordPerfect Graphics Image
cos3.WRL VRML2 Image
cos3.X Stardent AVS X Image
cos3.X11 X Windows System Dump Image
cos3.X3F Raw Image File
cos3.XAR Xara Image
cos3.XBM X Bitmap Image
cos3.XCF Gimp Bitmap Image
cos3.XIF Xerox DIFF Image
cos3.XIM Ximage
cos3.XP0 SecretPhotos Puzzle Image
cos3.XPM X PixMap Image
cos3.XV Khoros Visualization Image file
cos3.XWD X Windows System Dump Image
cos3.YUV YUV 16Bits Image
cos3.YUV YUV 4:1:1 Image
cos3.YUV YUV 4:2:2 Image
cos3.YUV YUV 4:4:4 Image
cos3.ZBR Zoner Zebra Metafile
cos3.ZMF Zoner Callisto Metafile
cos3.[B] Amica Paint Image
Types of Metadata Files
cos3.ABT AbiWord Template
cos3.ASA ASP Configuration File
cos3.ASX Advanced Stream Redirector
cos3.B4S Winamp 3+ Playlist
cos3.BTSEARCH BitTorrent Search File
cos3.BUP DVD Information File
cos3.CGM Computer Graphics Metafile
cos3.CKZ CKZ Checksum File
cos3.CODE eXtensible Stylesheet Language Transformation File
cos3.CONFIG Configuration File
cos3.CRC Cyclic Redundancy Check Checksum File
cos3.CUE Cue Sheet
cos3.DOT Microsoft Word Template
cos3.DOTM Microsoft Word XML Template
cos3.DOTX Microsoft Open XML Word Template
cos3.EMF Enhanced Metafile
cos3.IFO DVD Information File
cos3.INI Initialization File
cos3.M3U MP3 Uniform Resource Locator
cos3.MANIFEST Windows Assembly Manifest File
cos3.MD5 MD5 Checksum File
cos3.MET OS/2 Metafile
cos3.MP TeX Metapost Macro
cos3.NFO Downloaded Program Information
cos3.OTP ODF Presentation Template
cos3.OTS ODF Spreadsheet Template
cos3.OTT ODF Text Document Template
cos3.PAR Parity Checksum File
cos3.PLS Playlist
cos3.POT Microsoft PowerPoint Template
cos3.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
cos3.POTX Microsoft Open XML PowerPoint Template
cos3.SFV SFV Checksum File
cos3.SHAPE Dia Shape File
cos3.SRT DVD Subtitles File
cos3.STC OpenOffice.org 1.0 Spreadsheet Template
cos3.STI OpenOffice.org 1.0 Presentation Template
cos3.STW OpenOffice.org 1.0 Text Document Template
cos3.SVM StarView MetaFile
cos3.TEX TeX PSTricks Macro
cos3.TORRENT BitTorrent Tracker File
cos3.VLC VLC Media Player Data
cos3.VOR StarWriter Template
cos3.VOR StarCalc Template
cos3.VOR StarImpress Template
cos3.WMF Windows Metafile
cos3.XLM Microsoft Excel Macro
cos3.XLT Microsoft Excel Template
cos3.XLTM Microsoft Excel XML Template
cos3.XLTX Microsoft Excel XML Template
cos3.XLW Microsoft Excel Workspace
cos3.XSPF XML Shareable Playlist Format
Types of Plugins
cos3.XPI Firefox Plugin
Types of Presentations
cos3.ODG ODF Drawing Presentation
cos3.ODP ODF Presentation
cos3.PPS Microsoft PowerPoint Show
cos3.PPSX Microsoft Open XML PowerPoint Show
cos3.PPT Microsoft PowerPoint Presentation
cos3.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
cos3.PPTX Microsoft Open XML PowerPoint Presentation
cos3.SDA StarDraw Drawing
cos3.SDD StarDraw Drawing
cos3.SDD StarImpress Presentation
cos3.SXD Microsoft OpenOffice.org 1.0 Drawing
cos3.SXI OpenOffice.org 1.0 Presentation
cos3.UOF Unified Office Format Presentation
cos3.UOP Unified Office Format Presentation
Types of Shell Scripts
cos3.AU3 AutoIt Script
cos3.BAT Windows Batch File
cos3.BSH Bash Shell Script
cos3.SH Unix Shell Script
Types of Source Code
cos3.ASAX ASP.Net Open XML Configuration File
cos3.ASP Active Server Page Source File
cos3.ASPX ASP.Net Open XML Source File
cos3.C C Source File
cos3.CGI Perl Source File
cos3.CPP C++ Source File
cos3.CS C# Source File
cos3.CSPROJ C# Project File
cos3.CSS Cascading Style Sheets Source File
cos3.CXX C++ Source File
cos3.H C Header File
cos3.HPP C++ Header File
cos3.HTA
cos3.HTM Hypertext Markup Language Source File
cos3/value/cos3 Hypertext Markup Language Source File
cos3.JAVA JAVA Source File
cos3.JS JavaScript Source File
cos3.JSP JavaServer Pages Source File
cos3.MHT
cos3./value/cos3
cos3.PHP PHP Source File
cos3.PHP3 PHP3 Source File
cos3.PL Perl Source File
cos3.PM Perl Module
cos3.RC C++ Resource Compiler Script
cos3./value/cos3 Server Side Includes/value/cos3 File
cos3.SQL SQL Database Query
cos3.STM Server Side Includes/value/cos3 File
cos3.VB Visual Basic .Net Source File
cos3.VBPROJ Visual Basic .Net Project File
cos3.VBS Visual Basic Script
cos3.XAML Extensible Application Markup Language
cos3.XML Extensible Markup Language
Types of Spreadsheets
cos3.123 IBM Lotus 1-2-3 Spreadsheet
cos3.DIF Data Interchange Format Document
cos3.ODS ODF Spreadsheet
cos3.PXL Pocket Excel Spreadsheet
cos3.SDC StarCalc Spreadsheet
cos3.SLK SYLK Spreadsheet
cos3.SXC OpenOffice.org 1.0 Spreadsheet
cos3.UOF Unified Office Format Spreadsheet
cos3.UOS Unified Office Format Spreadsheet
cos3.WB2 Quattro Pro Spreadsheet
cos3.WK1 Lotus 1-2-3 Spreadsheet
cos3.WKS Lotus 1-2-3 Spreadsheet
cos3.XLC Microsoft Excel Chart
cos3.XLS Microsoft Excel Spreadsheet
cos3.XLSB Microsoft Excel Binary Spreadsheet
cos3.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
cos3.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
cos3.3G2 3G Mobile Phone Video
cos3.3GP 3G Mobile Phone Video
cos3.ASF Advanced Systems Format Video
cos3.AVI Audio Video Interleave
cos3.BIK Bink Video
cos3.BIN Binary DVD Video
cos3.DAT VCD Video
cos3.DIVX DivX Movie
cos3.DV Digital Video
cos3.FLV Flash Video
cos3.GXF General eXchange Format
cos3.M1V MPEG-1 Video
cos3.M2TS MPEG-2 Transport Stream Videos
cos3.M2V MPEG-2 Video
cos3.M4V MPEG-4 Video File
cos3.MKV Matroska Video Stream
cos3.MOV Apple QuickTime Movie
cos3.MP4 MPEG-4 Part 14 Multimedia Container
cos3.MPEG MPEG Video
cos3.MPEG1 MPEG-1 Video
cos3.MPEG2 MPEG-2 Video
cos3.MPEG4 MPEG-4 Video
cos3.MPG MPEG Video
cos3.MTS AVCHD Video File
cos3.MXF Material eXchange Format
cos3.OGM Ogg Multimedia Container File
cos3.RM RealMedia Streaming Media File
cos3.RMVB RealMedia Variable Bitrate Media File
cos3.SWF Adobe Flash Movie
cos3.TS DVD Video
cos3.VOB DVD Video Object
cos3.WMV Windows Media Video
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