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