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