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Types of Assemblies
r4.DLL Dynamic Link Library
r4.EXE Windows Executable File
Types of Audio Files
r4.A52 Dolby Digital AC-3 Compressed Audio File
r4.AAC Advanced Audio Coding Compressed Audio File
r4.AC3 Dolby Digital AC-3 Compressed Audio File
r4.AIF Audio Interchange Format File
r4.APE Monkey's Audio Compressed Audio File
r4.AU Sun / NeXT Audio File
r4.DTS Digital Theater Systems Audio File
r4.FLAC Free Lossless Audio Codec Compressed Audio FIle
r4.M4A MPEG-4 Audio File
r4.M4P Protected AAC File
r4.MID MIDI Audio Sequence
r4.MKA Matroska Audio Stream
r4.MOD MOD Audio File
r4.MP1 MPEG-1 Audio Layer I
r4.MP2 MPEG-1 Audio Layer II
r4.MP3 MPEG-1 Audio Layer 3
r4.OGG Ogg Multimedia Container File
r4.OMA OpenMG Audio File
r4.RA RealMedia Audio File
r4.RAM RealMedia Audio File
r4.SND Sun / NeXT Audio File
r4.SPX Ogg Speex Audio File
r4.WAV Waveform Audio
r4.WMA Windows Media Audio File
r4.WV WavPack Compressed Audio File
r4.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
r4.7Z 7-Zip Compressed Archive
r4.ACE Ace Compressed Archive
r4.ARJ Archived by Robert Jung Compressed Archive
r4.BZ BZip Compressed Archive
r4.BZ2 BZip2 Compressed Archive
r4.CAB Cabinet Compressed Archive
r4.CPIO CPIO Compressed Archive
r4.GZ GNU Zip Compressed Archive
r4.JAR Java Archive
r4.LHA LHA Compressed Archive
r4.LZH Lempel-Ziv and Haruyasu Compressed Archive
r4.R00 WinRAR Archive Partial File
r4.RAR WinRAR Compressed Archive
r4.REV WinRAR Recovery Volume
r4.TAR TAR Archive
r4.TAZ TAR Compressed Archive
r4.TBZ BZip Compressed Tar Archive
r4.TBZ2 BZip2 Compressed Tar Archive
r4.TGZ GZip Compressed Tar Archive
r4.UU Uuencoded File
r4.UUE Uuencoded File
r4.XXE Compressed ASCII Archive
r4.Z Unix Compressed Archive
r4.ZIP Zip Compressed Archive
Types of Data Files
r4.CSV Comma Separated Value Database
r4.DAT Data File
r4.DBF dBASE Database
r4.ICL Icon Library
r4.MNL MathML Data
r4.NWP Magentic Content File
r4.ODB ODF Database
r4.ODF ODF Formula
r4.PART Partially Downloaded File
r4.SMF StarMath Data
r4.SXM OpenOffice.org 1.0 Formula
r4.TMP Temporary File
r4.TXT Comma Separated Value Database
r4.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
r4.B5I B5I Disk Image
r4.B5T B5T Disk Image
r4.BIN Binary Disk Image
r4.BWI BlinkWrite Disk Image
r4.BWT BlinkWrite Disk Image
r4.C2D C2D Disk Image
r4.CCD CCD Disk Image
r4.CD CD Disk Image
r4.CDI CD Image File
r4.CDR Raw CD Audio File
r4.CIF CIF Disk Image
r4.DAO DAO Disk Image
r4.DI Raw CD Audio File
r4.DMG Mac OS X Disk Image
r4.DVD DVD Disk Image
r4.FCD FCD Disk Image
r4.FLP FLP Disk Image
r4.GCD GCD Disk Image
r4.GCM GameCube Image File
r4.GI Global Disk Image
r4.IBB IBB Disk Image
r4.IBP IBP Disk Image
r4.IBQ IsoBuster Disk Image
r4.IMG Disk Image File
r4.ISO ISO 9660 Disk Image
r4.LST DVD Image List
r4.MDF MDF Disk Image
r4.MDS MDS CD/DVD Image
r4.NRG Nero Disk Image
r4.P01 P01 Disk Image
r4.PDI InstantCopy Disc Image
r4.PXI PXI Disk Image
r4.TAO TAO Disk Image
r4.UDI Universal Disk Image
r4.VC4 VC4 Disk Image
r4.VCD Farstone Virtual Drive
r4.VDI Virtuo CD Manager Disk Image
Types of Documents
r4.ABW AbiWord Document
r4.CHM Compiled Help File
r4.DJV DjVu Document
r4.DJVU DjVu Document
r4.DOC Corel WordPerfect Document
r4.DOC Microsoft Word Document
r4.DOCM Microsoft Word XML Document
r4.DOCX Microsoft Open XML Word Document
r4.GAN GanttProject File
r4.HWP Hangul Word Processor Document
r4.LOG Log File
r4.ODM ODF Master Document
r4.ODT ODF Text Document
r4.OTH
r4.PDB Palm AportisDoc Document
r4.PDF Portable Document Format Document
r4.PSW Pocket Word Document
r4.RTF Rich Text Format Document
r4.SDW StarWriter Document
r4.SGL StarWriter Master Document
r4.STW OpenOffice.org 1.0/value/r4 Template
r4.SXG OpenOffice.org 1.0 Master Document
r4.SXW OpenOffice.org 1.0 Text Document
r4.TXT Text Document
r4.UOF Unified Office Format Document
r4.UOT Unified Office Format Document
r4.WPD WordPerfect Document
r4.WPS Microsoft Works Document
r4.XML DocBook Document
Types of Images
r4.!S ZX Spectrum Hobetta Image
r4.$C ZX Spectrum Hobetta Image
r4.$S ZX Spectrum Hobetta Image
r4.001 Ricoh Fax Image
r4.001 SmartFax Image
r4.16 LSS16 Image
r4.2BP Pocket PC Bitmap Image
r4.2D Amapi Image
r4.301 Brooktrout 301 Image
r4.3FR Hasselblad 3F RAW Image
r4.411 Mavica Image
r4.4BIT GoDot Image
r4.4BT GoDot Image
r4.73I TI Bitmap Image
r4.82I TI Bitmap Image
r4.83I TI Bitmap Image
r4.85I TI Bitmap Image
r4.86I TI Bitmap Image
r4.89I TI Bitmap Image
r4.92I TI Bitmap Image
r4.A64 Artist 64 Image
r4.ABS Optocat Image
r4.ACE Aces200 Image
r4.ACR Dicom Image
r4.AFX Auto F/X Image
r4.ALIAS Alias Image File
r4.ALS Alias Image File
r4.AMI Amica Paint Image
r4.ANI Animated Mouse Cursor Image
r4.ANI Windows Animated Cursor
r4.ANV AirNav Image
r4.APX Photopaint Image
r4.ARF ARF Image
r4.ARN Astronomical Research Network Image
r4.ART Art Director Image
r4.ART Artisan Image
r4.ART Advanced Art Studio Image
r4.ART Pfs Art Publisher Image
r4.ATK Andrew Toolkit raster object Image
r4.ATT AT&T Group 4 Image
r4.AVS Stardent AVS X Image
r4.B&W ImageLab Image
r4.B16 PCO Image
r4.B3D B3D (images) Image
r4.BFL BFLI Image
r4.BFLI BFLI Image
r4.BFX Bfx Bitware Image
r4.BGA OS/2 Bitmap Image
r4.BIE JBIG Image
r4.BIF byLight Image
r4.BIG Cartes Michelin Image
r4.BLD MegaPaint Image
r4.BLK Amiga IFF Image
r4.BM X11 Bitmap Image
r4.BMC Embroidery Image
r4.BMF BMF Image
r4.BMP Windows Bitmap Image
r4.BMP Alpha Microsystems BMP Image
r4.BMS Playback Bitmap Sequence Image
r4.BOB Bob Raytracer Image
r4.BPX Truevision Targa Image
r4.BRK Brooktrout 301 Image
r4.BRT Brooktrout 301 Image
r4.BS Printfox/Pagefox Image
r4.BTN JustButtons animated bitmap Image
r4.BUM Poser Bump Image
r4.BW Silicon Graphics RGB Image
r4.B_W ImageLab Image
r4.C4 Edmics Image
r4.CAL CALS Raster Image
r4.CALS CALS Raster Image
r4.CAM Casio QV-10/100 Camera Image
r4.CAN Canon Navigator Fax Image
r4.CAR NeoBook Cartoon Image
r4.CAT Photomatrix Image
r4.CBM Fuzzy bitmap Image
r4.CDR Corel Draw Bitmap (preview) Image
r4.CDU CDU Paint Image
r4.CE Computer Eyes, Digital Vision Image
r4.CE1 ComputerEyes Raw Image
r4.CE2 ComputerEyes Raw Image
r4.CEL Kiss Cel Image
r4.CFT Optigraphics Image
r4.CIN Kodak Cineon Image
r4.CIT Intergraph Format Image
r4.CLO Cloe Ray-Tracer Image
r4.CLOE Cloe Ray-Tracer Image
r4.CLP Windows Clipboard Image
r4.CLP PC Paint / Pictor Page Image
r4.CLP GoDot Image
r4.CMP Discorp CMP Image
r4.CMT Chinon ES-1000 digital camera Image
r4.CMU CMU Window Manager Image
r4.CMX Corel Metafile Exchange (preview) Image
r4.CP8 CP8 256 Gray Scale Image
r4.CPI Calamus Image
r4.CPT CorelDraw Photopaint Image
r4.CR2 Raw Image File
r4.CRG Calamus Image
r4.CRW Raw Image File
r4.CT Iris CT Image
r4.CUR Mouse Cursor Image
r4.CURSOR Sun Icon/Cursor
r4.CUT Dr Halo Image
r4.CVP Portrait Image
r4.DAT SPOT Image
r4.DCM Dicom Image
r4.DCR Raw Image File
r4.DCX Multipage PCX Image
r4.DCX Zsoft Multi-page Paintbrush Image
r4.DCX Zsoft Publisher's Paintbrush Image
r4.DD Doodle C64 Image
r4.DDS Microsoft DirectDraw Surface
r4.DIA Dia UML Diagram
r4.DIB Windows Bitmap Image
r4.DIS DKB Ray-Tracer Image
r4.DNG Raw Image File
r4.DOO Doodle Atari Image
r4.DPX DPX Image
r4.DRZ Draz Paint Image
r4.DWF AutoCAD Drawing
r4.DWG AutoCAD Drawing
r4.DXF AutoCAD Drawing eXchange Format Drawing
r4.DXF AutoCAD Drawing
r4.ECC Ecchi Image
r4.EI Electric Image
r4.EIDI Electric Image
r4.EIF Eroiica Image
r4.EMF Enhanced Metafile Format Image
r4.EPA Award Bios Logo
r4.EPS Encapsulated PostScript Image
r4.ESM Enhance Simplex Image
r4.FAC Usenix FaceServer Image
r4.FACE Usenix FaceServer Image
r4.FAX Fax Group 3 Image
r4.FBM Fuzzy bitmap Image
r4.FFF Maggi Hairstyles & Cosmetics Image
r4.FI Flash Image
r4.FIG XFig Drawing
r4.FIT FIT Image
r4.FITS Flexible Image Transport System Image
r4.FLC Autodesk Animator Image
r4.FLI Autodesk Animator Image
r4.FPG DIV Game Studio Multi Map Image
r4.FRE Male Normal CT Image
r4.FRM Megalux Frame
r4.FRM PhotoFrame
r4.FSH EA Sports FSH Image
r4.FSY PhotoFantasy Image
r4.FTS Flexible Image Transport System Image
r4.FXO WinFAX Image
r4.FXS WinFAX Image
r4.G3 Fax Group 3 Image
r4.G3N Imaging Fax Image
r4.G4 Access Image
r4.GAF Total Annihilation Image
r4.GB Printfox/Pagefox Image
r4.GBR Gimp Brush Image
r4.GEM Digital Research (GEM Paint) Image
r4.GEO GeoPaint Image
r4.GG Koala Paint (Compressed) Image
r4.GIF Graphics Interchange Format Image
r4.GIFF CompuServe GIF Image
r4.GM Autologic Image
r4.GM2 Autologic Image
r4.GM4 Autologic Image
r4.GRB HP-48/49 GROB Image
r4.GREY Raw Image
r4.GRO HP-48/49 GROB Image
r4.GRY Raw Image
r4.HDR Apollo HDRU Image
r4.HDR ArcInfo Binary Image
r4.HDRU Apollo HDRU Image
r4.HED Hi-Eddi Image
r4.HF HF Image
r4.HIR Hires C64 Image
r4.HPGL HP Graphics Language Image
r4.HPI Hemera Photo Image
r4.HR TRS 80 Image
r4.HRU HRU Image
r4.HRZ Slow Scan Television Image
r4.HTA Hemera Thumbs Image
r4.I17 Pixel Power Collage Image
r4.I18 Pixel Power Collage Image
r4.IB7 Pixel Power Collage Image
r4.ICA IOCA Image
r4.ICB Image Capture Board Image
r4.ICN RIPTerm Image
r4.ICNS Macintosh Icon File
r4.ICO Windows Icon File
r4.ICO Sun Icon/Cursor
r4.ICON Sun Icon/Cursor
r4.IDC Core IDC Image
r4.IF9 Pixel Power Collage Image
r4.IFF Explore (TDI) & Maya Image
r4.IFF Sun TAAC Image
r4.IFF Amiga IFF Image
r4.IIM Inshape Image
r4.IIMG Interleaf Image
r4.ILBM Deluxe Paint, Electronic Arts Image
r4.IM AIM Grey Scale Image
r4.IM5 IM5 (Visilog) Image
r4.IMA AIM Grey Scale Image
r4.IMG ADEX Image
r4.IMG Digital Research (GEM Paint) Image
r4.IMG Imaging Technology Image
r4.IMG Img Software Set Image
r4.IMG Microtek Eyestar Image
r4.IMG Planetary Data System Image
r4.IMG Radiance Image
r4.IMG Sharp GPB Image
r4.IMG Starbase Image
r4.IMG Vivid Ray-Tracer Image
r4.IMG Autocad CAD-Camera Image
r4.IMG Datacopy Image
r4.IMG Vicar Image
r4.IMT IMNET Image
r4.INFO Amiga icon
r4.IOCA IOCA Image
r4.IPG Mindjongg Format Image
r4.IPH InterPaint (Hires) Image
r4.IPT InterPaint (Multicolor) Image
r4.IRIS Iris graphic Image
r4.IRIS Silicon Graphics RGB Image
r4.ISH Image Speeder Image
r4.ISM Image System (Multicolor) Image
r4.ISS ISS Image
r4.ITG Intergraph Format Image
r4.IVB Truevision Targa Image
r4.J JPEG / JFIF Image
r4.J2K LuraWave JPEG-2000 Format Image
r4.J6I Ricoh Digital Camera Image
r4.JBF PaintShopPro Browser Cache File
r4.JBG JBIG Image
r4.JBIG JBIG Image
r4.JFIF Joint Photographic Experts Group Image
r4.JIF Joint Photographic Experts Group Image
r4.JIF Jeff's Image Format Image
r4.JJ Doodle C64 (Compressed) Image
r4.JLS JPEG-LS Image
r4.JNG Jpeg Network Graphics Image
r4.JP2 LuraWave JPEG-2000 Format Image
r4.JPC LuraWave JPEG-2000 Code Stream Image
r4.JPE Joint Photographic Experts Group Image
r4.JPEG Joint Photographic Experts Group Image
r4.JPG Joint Photographic Experts Group Image
r4.JPS Stereo Image
r4.JPX LuraWave JPEG-2000 Format Image
r4.JTF Hayes JTFax Image
r4.K25 Kodak DC25 Camera Image
r4.KDC Raw Image File
r4.KFX Kofax Group 4 Image
r4.KOA Koala Paint Image
r4.KPS IBM Kips Image
r4.KQP Konica Camera File
r4.LBM Deluxe Paint, Electronic Arts Image
r4.LDA LaserData Image
r4.LFF LucasFilm Format Image
r4.LIF Homeworld Texture
r4.LVP LView Pro Image
r4.LWI Light Work Image
r4.M8 Heretic II MipMap Image
r4.MAC Mac Paint Image
r4.MACP Mac Paint Image
r4.MAG MAGIchan Graphics Image
r4.MAP DIV Game Studio Map Image
r4.MAP Fenix Map Image
r4.MBFAVS Stardent AVS X Image
r4.MBFS Stardent AVS X Image
r4.MBM Psion Serie 5 Bitmap Image
r4.MDI Microsoft Document Imaging Image
r4.MDL Half-Life Model Image
r4.MGR MGR bitmap Image
r4.MIF Image Magick file
r4.MIFF Image Magick file
r4.MIL Micro Illustrator Uncompressed Image
r4.MNG Multiple Network Graphics Image
r4.MPNT Mac Paint Image
r4.MRF Marks Russel File
r4.MRW Minolta Raw Image File
r4.MSK PaintShopPro Mask
r4.MSP Microsoft Paint Image
r4.MTV MTV Ray-Tracer Image
r4.MTX Maw-Ware Textures Image
r4.NCD CoverDesigner Image
r4.NCR NCR Image
r4.NCT CoverDesigner Template
r4.NEF Raw Image File
r4.NEO Neochrome (ST & TT) Image
r4.NGG Nokia Group Graphics Image
r4.NITF National Imagery Transmission Image
r4.NLM Nokia Logo File
r4.NOL Nokia Operator Logo
r4.NPM Neopaint Mask
r4.OAZ OAZ Fax Image
r4.OCP Advanced Art Studio Image
r4.OFX Olicom Fax Image
r4.OIL Open Image Library Format Image
r4.ORF Raw Image File
r4.OTB Nokia OTA Image
r4.P64 Picasso 64 Image
r4.P7 XV Visual Schnauzer Image
r4.PAC Stad Image
r4.PAINT Mac Paint Image
r4.PAN SmoothMove Pan Viewer Image
r4.PAT Gimp Pattern
r4.PAT Corel Draw Pattern (preview) Image
r4.PBM Portable Bitmap Image
r4.PBM Portable Bitmap Image
r4.PBT Micro Dynamics MARS Image
r4.PC1 Degas & Degas Elite Image
r4.PC2 Degas & Degas Elite Image
r4.PC3 Degas & Degas Elite Image
r4.PCC Zsoft Publisher's Paintbrush Image
r4.PCD Kodak Photo CD Image
r4.PCL Page Control Language Image
r4.PCT Mac Pict Image
r4.PCT NIST ihdr Image
r4.PCX Zsoft Paintbrush Image
r4.PD Male MRI Image
r4.PDB MonkeyCard Image
r4.PDB MonkeyLogo
r4.PDB Palm Pilot Image
r4.PDB Photo Deluxe Image
r4.PDB TealPaint Image
r4.PDD Photo Deluxe Image
r4.PDN Paint.NET Image
r4.PDS Planetary Data System Image
r4.PDX Mayura Draw Image
r4.PE4 Ulead Texture
r4.PEF Raw Image File
r4.PFR PaintShopPro Frame
r4.PG Printfox/Pagefox Image
r4.PGC Portfolio Graphics Compressed Image
r4.PGF Portfolio Graphics Image
r4.PGM Portable Graymap Image
r4.PHP Adobe PhotoParade Image
r4.PI Blazing Paddles Image
r4.PI1 Degas & Degas Elite Image
r4.PI2 Degas & Degas Elite Image
r4.PI3 Degas & Degas Elite Image
r4.PI4 Degas & Degas Elite Image
r4.PI5 Degas & Degas Elite Image
r4.PI6 Degas & Degas Elite Image
r4.PIC Macintosh Quickdraw/Pict Image
r4.PIC PC Paint / Pictor Page Image
r4.PIC Pixar Image
r4.PIC Radiance Image
r4.PIC Rayshade Image
r4.PIC Advanced Art Studio Image
r4.PIC Bio-Rad confocal Image
r4.PIC Psion Serie 3 Bitmap Image
r4.PIC Softimage
r4.PIC Stad Image
r4.PIC WinMIPS Image
r4.PICIO Pixar Image
r4.PICT Macintosh Quickdraw/Pict Image
r4.PICT2 Macintosh Quickdraw/Pict Image
r4.PIG Ricoh IS30 Image
r4.PIX Alias Image File
r4.PIX Truevision Targa Image
r4.PIX Vort Image
r4.PIX ESM Software Pix Image
r4.PIX PABX Image
r4.PIXAR Pixar Image
r4.PLT HP Graphics Language Image
r4.PM X11 Pixmap Image
r4.PM PM Image
r4.PMG Paint Magic Image
r4.PMP Sony DSC-F1 Cyber-shot Image
r4.PNG Portable Network Graphic Image
r4.PNM Portable Image
r4.PNT Mac Paint Image
r4.PNTG Mac Paint Image
r4.PP4 Micrografx Picture Publisher 4.0 Image
r4.PP5 Micrografx Picture Publisher 5.0 Image
r4.PPM Portable Pixelmap Image
r4.PPP Punk Productions Picture
r4.PR Sun Icon/Cursor
r4.PRC Picture Gear Pocket Image
r4.PRF Polychrome Recursive Format Image
r4.PRI Prisms Image
r4.PSD Adobe Photoshop Image
r4.PSE IBM Printer Page Segment Image
r4.PSF PhotoStudio File
r4.PSP PaintShopPro Image
r4.PST Ulead Pattern
r4.PWP Seattle Film Works multi-image
r4.PXA Pixia Image
r4.PXA Pegs Image
r4.PXB Pixibox Image
r4.PXR Pixar Image
r4.PXS Pegs Image
r4.PZL Puzzle Image
r4.PZP MGI Photosuite Project Image
r4.Q0 Q0 Image
r4.QDV Qdv (Random Dot Software) Image
r4.QRT Qrt Ray-Tracer Image
r4.QTI QuickTime Image Format Image
r4.QTIF QuickTime Image Format Image
r4.QTL YUV 16Bits Image
r4.QTL YUV 4:4:4 Image
r4.QTL YUV 4:1:1 Image
r4.QTL YUV 4:2:2 Image
r4.RAD Radiance Image
r4.RAF Raw Image File
r4.RAS Sun Raster Image
r4.RAST Sun Rasterfile
r4.RAW Raw Image File
r4.RGB Q0 Image
r4.RGB Silicon Graphics RGB Image
r4.RGBA Silicon Graphics RGB Image
r4.RGH ZZ Rough Image
r4.RIX ColoRIX Image
r4.RL4 Windows Bitmap Image
r4.RL8 Windows Bitmap Image
r4.RLA Wavefront Raster Image
r4.RLB Wavefront Raster Image
r4.RLC Image Systems RLC2 Graphic Image
r4.RLE ADEX Image
r4.RLE Intergraph Format Image
r4.RLE Utah raster Image
r4.RLE Windows Bitmap Image
r4.RP Rainbow Painter Image
r4.RPBM Portable Bitmap Image
r4.RPGM Portable Greyscale Image
r4.RPM RunPaint (Multicolor) Image
r4.RPNM Portable Image
r4.RPPM Portable Image
r4.RS Sun Rasterfile
r4.RSB Red Storm Image
r4.SAR Saracen Paint Image
r4.SC2 Msx 2 Screen Image
r4.SCI SciFax Image
r4.SCI ColoRIX Image
r4.SCR Sun Rasterfile
r4.SCR ZX Spectrum Standard Screen Image
r4.SCT SciTex Continuous Tone Image
r4.SCX ColoRIX Image
r4.SD0 Dali Raw Image
r4.SD1 Dali Raw Image
r4.SD2 Dali Raw Image
r4.SDG Star Office Gallery Image
r4.SDT SmartDraw 6 Template
r4.SEQ Stad Image
r4.SFW Seattle Film Works Image
r4.SGF StarWriter Graphics Format Image
r4.SGI Silicon Graphics RGB Image
r4.SGV StarDraw Image
r4.SI Softimage
r4.SIM Aurora Image
r4.SIR BYU SIR Image
r4.SIR Solitaire Image Recorder Image
r4.SJ1 Sega SJ-1 DIGIO Image
r4.SKF Autodesk SKETCH thumbnail Image
r4.SKN Skantek Image
r4.SKP Autodesk SketchUp component Image
r4.SMP Xionics SMP Image
r4.SNA ZX Spectrum Snapshot Image
r4.SPC Spectrum 512 (Compressed) Image
r4.SPS Spectrum 512 (Smooshed) Image
r4.SPU Spectrum 512 Image
r4.SR Sun Rasterfile
r4.SR2 Sony Raw Image File
r4.SRF Sony Raw Image File
r4.SSI SriSun Image
r4.SSP Axialis Screensaver Image
r4.ST4 SBIG CCD camera ST-X Image
r4.ST4 SBIG CCD camera ST-4 Image
r4.ST5 SBIG CCD camera ST-X Image
r4.ST6 SBIG CCD camera ST-X Image
r4.ST7 SBIG CCD camera ST-X Image
r4.ST8 SBIG CCD camera ST-X Image
r4.STM PhotoStudio Stamp Image
r4.STW Neopaint Stamp Image
r4.STX SBIG CCD camera ST-X Image
r4.SUL Gfa Raytrace Image
r4.SUN Sun Rasterfile
r4.SUNIFF Sun TAAC Image
r4.SVG Scalable Vector Graphics Image
r4.SVGZ GZip Compressed Scalable Vector Graphics Image
r4.SYN Synthetic Universe Image
r4.SYNU Synthetic Universe Image
r4.T1 Male MRI Image
r4.T2 Male MRI Image
r4.TAAC Sun TAAC Image
r4.TAP Oric TAP Image
r4.TARGA Truevision Targa Image
r4.TDI Explore (TDI) & Maya Image
r4.TDIM Digital F/X Image
r4.TEX PaintShopPro Texture
r4.TG4 TG4 Image
r4.TGA Truevision Targa Image
r4.THB KinuPix Skin Image
r4.TIF Tagged Image File Format Image
r4.TIFF Tagged Image File Format Image
r4.TIL Buttonz & Tilez texture
r4.TILE Eclipse Image
r4.TIM Sony Playstation TIM Image
r4.TIM TIFF Revision 6 Image
r4.TN1 Tiny Image
r4.TN2 Tiny Image
r4.TN3 Tiny Image
r4.TNL Thumbnail Image
r4.TNY Tiny Image
r4.TTF Optigraphics Tiled Image
r4.TUB PaintShopPro Picture Tube Image
r4.UPI Ulead PhotoImpact Image
r4.URT Utah raster Image
r4.UYVY YUV 16Bits Image
r4.VDA Video Display Adapter Image
r4.VFF Sun TAAC Image
r4.VGA Windows Bitmap Image
r4.VI Jovian VI Image
r4.VIC Vicar Image
r4.VICAR Vicar Image
r4.VID Vidcom 64 Image
r4.VIF Khoros Visualization Image file
r4.VIF Verity Image
r4.VIFF Khoros Visualization Image file
r4.VIT VITec Image
r4.VOB Vue d'esprit Image
r4.VPB Quantel VPB Image
r4.VST Vista Image
r4.WAD WAD (Half Life) Image
r4.WAL Quake Texture
r4.WAP Wireless Bitmap Image
r4.WBC WebShots Image
r4.WBM Wireless Bitmap Image
r4.WBMP Wireless Bitmap Image
r4.WBZ WebShots Image
r4.WFX WinFAX Image
r4.WPG WordPerfect Graphics Image
r4.WRL VRML2 Image
r4.X Stardent AVS X Image
r4.X11 X Windows System Dump Image
r4.X3F Raw Image File
r4.XAR Xara Image
r4.XBM X Bitmap Image
r4.XCF Gimp Bitmap Image
r4.XIF Xerox DIFF Image
r4.XIM Ximage
r4.XP0 SecretPhotos Puzzle Image
r4.XPM X PixMap Image
r4.XV Khoros Visualization Image file
r4.XWD X Windows System Dump Image
r4.YUV YUV 16Bits Image
r4.YUV YUV 4:1:1 Image
r4.YUV YUV 4:2:2 Image
r4.YUV YUV 4:4:4 Image
r4.ZBR Zoner Zebra Metafile
r4.ZMF Zoner Callisto Metafile
r4.[B] Amica Paint Image
Types of Metadata Files
r4.ABT AbiWord Template
r4.ASA ASP Configuration File
r4.ASX Advanced Stream Redirector
r4.B4S Winamp 3+ Playlist
r4.BTSEARCH BitTorrent Search File
r4.BUP DVD Information File
r4.CGM Computer Graphics Metafile
r4.CKZ CKZ Checksum File
r4.CODE eXtensible Stylesheet Language Transformation File
r4.CONFIG Configuration File
r4.CRC Cyclic Redundancy Check Checksum File
r4.CUE Cue Sheet
r4.DOT Microsoft Word Template
r4.DOTM Microsoft Word XML Template
r4.DOTX Microsoft Open XML Word Template
r4.EMF Enhanced Metafile
r4.IFO DVD Information File
r4.INI Initialization File
r4.M3U MP3 Uniform Resource Locator
r4.MANIFEST Windows Assembly Manifest File
r4.MD5 MD5 Checksum File
r4.MET OS/2 Metafile
r4.MP TeX Metapost Macro
r4.NFO Downloaded Program Information
r4.OTP ODF Presentation Template
r4.OTS ODF Spreadsheet Template
r4.OTT ODF Text Document Template
r4.PAR Parity Checksum File
r4.PLS Playlist
r4.POT Microsoft PowerPoint Template
r4.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
r4.POTX Microsoft Open XML PowerPoint Template
r4.SFV SFV Checksum File
r4.SHAPE Dia Shape File
r4.SRT DVD Subtitles File
r4.STC OpenOffice.org 1.0 Spreadsheet Template
r4.STI OpenOffice.org 1.0 Presentation Template
r4.STW OpenOffice.org 1.0 Text Document Template
r4.SVM StarView MetaFile
r4.TEX TeX PSTricks Macro
r4.TORRENT BitTorrent Tracker File
r4.VLC VLC Media Player Data
r4.VOR StarWriter Template
r4.VOR StarCalc Template
r4.VOR StarImpress Template
r4.WMF Windows Metafile
r4.XLM Microsoft Excel Macro
r4.XLT Microsoft Excel Template
r4.XLTM Microsoft Excel XML Template
r4.XLTX Microsoft Excel XML Template
r4.XLW Microsoft Excel Workspace
r4.XSPF XML Shareable Playlist Format
Types of Plugins
r4.XPI Firefox Plugin
Types of Presentations
r4.ODG ODF Drawing Presentation
r4.ODP ODF Presentation
r4.PPS Microsoft PowerPoint Show
r4.PPSX Microsoft Open XML PowerPoint Show
r4.PPT Microsoft PowerPoint Presentation
r4.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
r4.PPTX Microsoft Open XML PowerPoint Presentation
r4.SDA StarDraw Drawing
r4.SDD StarDraw Drawing
r4.SDD StarImpress Presentation
r4.SXD Microsoft OpenOffice.org 1.0 Drawing
r4.SXI OpenOffice.org 1.0 Presentation
r4.UOF Unified Office Format Presentation
r4.UOP Unified Office Format Presentation
Types of Shell Scripts
r4.AU3 AutoIt Script
r4.BAT Windows Batch File
r4.BSH Bash Shell Script
r4.SH Unix Shell Script
Types of Source Code
r4.ASAX ASP.Net Open XML Configuration File
r4.ASP Active Server Page Source File
r4.ASPX ASP.Net Open XML Source File
r4.C C Source File
r4.CGI Perl Source File
r4.CPP C++ Source File
r4.CS C# Source File
r4.CSPROJ C# Project File
r4.CSS Cascading Style Sheets Source File
r4.CXX C++ Source File
r4.H C Header File
r4.HPP C++ Header File
r4.HTA
r4.HTM Hypertext Markup Language Source File
r4/value/r4 Hypertext Markup Language Source File
r4.JAVA JAVA Source File
r4.JS JavaScript Source File
r4.JSP JavaServer Pages Source File
r4.MHT
r4./value/r4
r4.PHP PHP Source File
r4.PHP3 PHP3 Source File
r4.PL Perl Source File
r4.PM Perl Module
r4.RC C++ Resource Compiler Script
r4./value/r4 Server Side Includes/value/r4 File
r4.SQL SQL Database Query
r4.STM Server Side Includes/value/r4 File
r4.VB Visual Basic .Net Source File
r4.VBPROJ Visual Basic .Net Project File
r4.VBS Visual Basic Script
r4.XAML Extensible Application Markup Language
r4.XML Extensible Markup Language
Types of Spreadsheets
r4.123 IBM Lotus 1-2-3 Spreadsheet
r4.DIF Data Interchange Format Document
r4.ODS ODF Spreadsheet
r4.PXL Pocket Excel Spreadsheet
r4.SDC StarCalc Spreadsheet
r4.SLK SYLK Spreadsheet
r4.SXC OpenOffice.org 1.0 Spreadsheet
r4.UOF Unified Office Format Spreadsheet
r4.UOS Unified Office Format Spreadsheet
r4.WB2 Quattro Pro Spreadsheet
r4.WK1 Lotus 1-2-3 Spreadsheet
r4.WKS Lotus 1-2-3 Spreadsheet
r4.XLC Microsoft Excel Chart
r4.XLS Microsoft Excel Spreadsheet
r4.XLSB Microsoft Excel Binary Spreadsheet
r4.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
r4.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
r4.3G2 3G Mobile Phone Video
r4.3GP 3G Mobile Phone Video
r4.ASF Advanced Systems Format Video
r4.AVI Audio Video Interleave
r4.BIK Bink Video
r4.BIN Binary DVD Video
r4.DAT VCD Video
r4.DIVX DivX Movie
r4.DV Digital Video
r4.FLV Flash Video
r4.GXF General eXchange Format
r4.M1V MPEG-1 Video
r4.M2TS MPEG-2 Transport Stream Videos
r4.M2V MPEG-2 Video
r4.M4V MPEG-4 Video File
r4.MKV Matroska Video Stream
r4.MOV Apple QuickTime Movie
r4.MP4 MPEG-4 Part 14 Multimedia Container
r4.MPEG MPEG Video
r4.MPEG1 MPEG-1 Video
r4.MPEG2 MPEG-2 Video
r4.MPEG4 MPEG-4 Video
r4.MPG MPEG Video
r4.MTS AVCHD Video File
r4.MXF Material eXchange Format
r4.OGM Ogg Multimedia Container File
r4.RM RealMedia Streaming Media File
r4.RMVB RealMedia Variable Bitrate Media File
r4.SWF Adobe Flash Movie
r4.TS DVD Video
r4.VOB DVD Video Object
r4.WMV Windows Media Video
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