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