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Types of Assemblies
r4u.DLL Dynamic Link Library
r4u.EXE Windows Executable File
Types of Audio Files
r4u.A52 Dolby Digital AC-3 Compressed Audio File
r4u.AAC Advanced Audio Coding Compressed Audio File
r4u.AC3 Dolby Digital AC-3 Compressed Audio File
r4u.AIF Audio Interchange Format File
r4u.APE Monkey's Audio Compressed Audio File
r4u.AU Sun / NeXT Audio File
r4u.DTS Digital Theater Systems Audio File
r4u.FLAC Free Lossless Audio Codec Compressed Audio FIle
r4u.M4A MPEG-4 Audio File
r4u.M4P Protected AAC File
r4u.MID MIDI Audio Sequence
r4u.MKA Matroska Audio Stream
r4u.MOD MOD Audio File
r4u.MP1 MPEG-1 Audio Layer I
r4u.MP2 MPEG-1 Audio Layer II
r4u.MP3 MPEG-1 Audio Layer 3
r4u.OGG Ogg Multimedia Container File
r4u.OMA OpenMG Audio File
r4u.RA RealMedia Audio File
r4u.RAM RealMedia Audio File
r4u.SND Sun / NeXT Audio File
r4u.SPX Ogg Speex Audio File
r4u.WAV Waveform Audio
r4u.WMA Windows Media Audio File
r4u.WV WavPack Compressed Audio File
r4u.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
r4u.7Z 7-Zip Compressed Archive
r4u.ACE Ace Compressed Archive
r4u.ARJ Archived by Robert Jung Compressed Archive
r4u.BZ BZip Compressed Archive
r4u.BZ2 BZip2 Compressed Archive
r4u.CAB Cabinet Compressed Archive
r4u.CPIO CPIO Compressed Archive
r4u.GZ GNU Zip Compressed Archive
r4u.JAR Java Archive
r4u.LHA LHA Compressed Archive
r4u.LZH Lempel-Ziv and Haruyasu Compressed Archive
r4u.R00 WinRAR Archive Partial File
r4u.RAR WinRAR Compressed Archive
r4u.REV WinRAR Recovery Volume
r4u.TAR TAR Archive
r4u.TAZ TAR Compressed Archive
r4u.TBZ BZip Compressed Tar Archive
r4u.TBZ2 BZip2 Compressed Tar Archive
r4u.TGZ GZip Compressed Tar Archive
r4u.UU Uuencoded File
r4u.UUE Uuencoded File
r4u.XXE Compressed ASCII Archive
r4u.Z Unix Compressed Archive
r4u.ZIP Zip Compressed Archive
Types of Data Files
r4u.CSV Comma Separated Value Database
r4u.DAT Data File
r4u.DBF dBASE Database
r4u.ICL Icon Library
r4u.MNL MathML Data
r4u.NWP Magentic Content File
r4u.ODB ODF Database
r4u.ODF ODF Formula
r4u.PART Partially Downloaded File
r4u.SMF StarMath Data
r4u.SXM OpenOffice.org 1.0 Formula
r4u.TMP Temporary File
r4u.TXT Comma Separated Value Database
r4u.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
r4u.B5I B5I Disk Image
r4u.B5T B5T Disk Image
r4u.BIN Binary Disk Image
r4u.BWI BlinkWrite Disk Image
r4u.BWT BlinkWrite Disk Image
r4u.C2D C2D Disk Image
r4u.CCD CCD Disk Image
r4u.CD CD Disk Image
r4u.CDI CD Image File
r4u.CDR Raw CD Audio File
r4u.CIF CIF Disk Image
r4u.DAO DAO Disk Image
r4u.DI Raw CD Audio File
r4u.DMG Mac OS X Disk Image
r4u.DVD DVD Disk Image
r4u.FCD FCD Disk Image
r4u.FLP FLP Disk Image
r4u.GCD GCD Disk Image
r4u.GCM GameCube Image File
r4u.GI Global Disk Image
r4u.IBB IBB Disk Image
r4u.IBP IBP Disk Image
r4u.IBQ IsoBuster Disk Image
r4u.IMG Disk Image File
r4u.ISO ISO 9660 Disk Image
r4u.LST DVD Image List
r4u.MDF MDF Disk Image
r4u.MDS MDS CD/DVD Image
r4u.NRG Nero Disk Image
r4u.P01 P01 Disk Image
r4u.PDI InstantCopy Disc Image
r4u.PXI PXI Disk Image
r4u.TAO TAO Disk Image
r4u.UDI Universal Disk Image
r4u.VC4 VC4 Disk Image
r4u.VCD Farstone Virtual Drive
r4u.VDI Virtuo CD Manager Disk Image
Types of Documents
r4u.ABW AbiWord Document
r4u.CHM Compiled Help File
r4u.DJV DjVu Document
r4u.DJVU DjVu Document
r4u.DOC Corel WordPerfect Document
r4u.DOC Microsoft Word Document
r4u.DOCM Microsoft Word XML Document
r4u.DOCX Microsoft Open XML Word Document
r4u.GAN GanttProject File
r4u.HWP Hangul Word Processor Document
r4u.LOG Log File
r4u.ODM ODF Master Document
r4u.ODT ODF Text Document
r4u.OTH
r4u.PDB Palm AportisDoc Document
r4u.PDF Portable Document Format Document
r4u.PSW Pocket Word Document
r4u.RTF Rich Text Format Document
r4u.SDW StarWriter Document
r4u.SGL StarWriter Master Document
r4u.STW OpenOffice.org 1.0/value/r4u Template
r4u.SXG OpenOffice.org 1.0 Master Document
r4u.SXW OpenOffice.org 1.0 Text Document
r4u.TXT Text Document
r4u.UOF Unified Office Format Document
r4u.UOT Unified Office Format Document
r4u.WPD WordPerfect Document
r4u.WPS Microsoft Works Document
r4u.XML DocBook Document
Types of Images
r4u.!S ZX Spectrum Hobetta Image
r4u.$C ZX Spectrum Hobetta Image
r4u.$S ZX Spectrum Hobetta Image
r4u.001 Ricoh Fax Image
r4u.001 SmartFax Image
r4u.16 LSS16 Image
r4u.2BP Pocket PC Bitmap Image
r4u.2D Amapi Image
r4u.301 Brooktrout 301 Image
r4u.3FR Hasselblad 3F RAW Image
r4u.411 Mavica Image
r4u.4BIT GoDot Image
r4u.4BT GoDot Image
r4u.73I TI Bitmap Image
r4u.82I TI Bitmap Image
r4u.83I TI Bitmap Image
r4u.85I TI Bitmap Image
r4u.86I TI Bitmap Image
r4u.89I TI Bitmap Image
r4u.92I TI Bitmap Image
r4u.A64 Artist 64 Image
r4u.ABS Optocat Image
r4u.ACE Aces200 Image
r4u.ACR Dicom Image
r4u.AFX Auto F/X Image
r4u.ALIAS Alias Image File
r4u.ALS Alias Image File
r4u.AMI Amica Paint Image
r4u.ANI Animated Mouse Cursor Image
r4u.ANI Windows Animated Cursor
r4u.ANV AirNav Image
r4u.APX Photopaint Image
r4u.ARF ARF Image
r4u.ARN Astronomical Research Network Image
r4u.ART Art Director Image
r4u.ART Artisan Image
r4u.ART Advanced Art Studio Image
r4u.ART Pfs Art Publisher Image
r4u.ATK Andrew Toolkit raster object Image
r4u.ATT AT&T Group 4 Image
r4u.AVS Stardent AVS X Image
r4u.B&W ImageLab Image
r4u.B16 PCO Image
r4u.B3D B3D (images) Image
r4u.BFL BFLI Image
r4u.BFLI BFLI Image
r4u.BFX Bfx Bitware Image
r4u.BGA OS/2 Bitmap Image
r4u.BIE JBIG Image
r4u.BIF byLight Image
r4u.BIG Cartes Michelin Image
r4u.BLD MegaPaint Image
r4u.BLK Amiga IFF Image
r4u.BM X11 Bitmap Image
r4u.BMC Embroidery Image
r4u.BMF BMF Image
r4u.BMP Windows Bitmap Image
r4u.BMP Alpha Microsystems BMP Image
r4u.BMS Playback Bitmap Sequence Image
r4u.BOB Bob Raytracer Image
r4u.BPX Truevision Targa Image
r4u.BRK Brooktrout 301 Image
r4u.BRT Brooktrout 301 Image
r4u.BS Printfox/Pagefox Image
r4u.BTN JustButtons animated bitmap Image
r4u.BUM Poser Bump Image
r4u.BW Silicon Graphics RGB Image
r4u.B_W ImageLab Image
r4u.C4 Edmics Image
r4u.CAL CALS Raster Image
r4u.CALS CALS Raster Image
r4u.CAM Casio QV-10/100 Camera Image
r4u.CAN Canon Navigator Fax Image
r4u.CAR NeoBook Cartoon Image
r4u.CAT Photomatrix Image
r4u.CBM Fuzzy bitmap Image
r4u.CDR Corel Draw Bitmap (preview) Image
r4u.CDU CDU Paint Image
r4u.CE Computer Eyes, Digital Vision Image
r4u.CE1 ComputerEyes Raw Image
r4u.CE2 ComputerEyes Raw Image
r4u.CEL Kiss Cel Image
r4u.CFT Optigraphics Image
r4u.CIN Kodak Cineon Image
r4u.CIT Intergraph Format Image
r4u.CLO Cloe Ray-Tracer Image
r4u.CLOE Cloe Ray-Tracer Image
r4u.CLP Windows Clipboard Image
r4u.CLP PC Paint / Pictor Page Image
r4u.CLP GoDot Image
r4u.CMP Discorp CMP Image
r4u.CMT Chinon ES-1000 digital camera Image
r4u.CMU CMU Window Manager Image
r4u.CMX Corel Metafile Exchange (preview) Image
r4u.CP8 CP8 256 Gray Scale Image
r4u.CPI Calamus Image
r4u.CPT CorelDraw Photopaint Image
r4u.CR2 Raw Image File
r4u.CRG Calamus Image
r4u.CRW Raw Image File
r4u.CT Iris CT Image
r4u.CUR Mouse Cursor Image
r4u.CURSOR Sun Icon/Cursor
r4u.CUT Dr Halo Image
r4u.CVP Portrait Image
r4u.DAT SPOT Image
r4u.DCM Dicom Image
r4u.DCR Raw Image File
r4u.DCX Multipage PCX Image
r4u.DCX Zsoft Multi-page Paintbrush Image
r4u.DCX Zsoft Publisher's Paintbrush Image
r4u.DD Doodle C64 Image
r4u.DDS Microsoft DirectDraw Surface
r4u.DIA Dia UML Diagram
r4u.DIB Windows Bitmap Image
r4u.DIS DKB Ray-Tracer Image
r4u.DNG Raw Image File
r4u.DOO Doodle Atari Image
r4u.DPX DPX Image
r4u.DRZ Draz Paint Image
r4u.DWF AutoCAD Drawing
r4u.DWG AutoCAD Drawing
r4u.DXF AutoCAD Drawing eXchange Format Drawing
r4u.DXF AutoCAD Drawing
r4u.ECC Ecchi Image
r4u.EI Electric Image
r4u.EIDI Electric Image
r4u.EIF Eroiica Image
r4u.EMF Enhanced Metafile Format Image
r4u.EPA Award Bios Logo
r4u.EPS Encapsulated PostScript Image
r4u.ESM Enhance Simplex Image
r4u.FAC Usenix FaceServer Image
r4u.FACE Usenix FaceServer Image
r4u.FAX Fax Group 3 Image
r4u.FBM Fuzzy bitmap Image
r4u.FFF Maggi Hairstyles & Cosmetics Image
r4u.FI Flash Image
r4u.FIG XFig Drawing
r4u.FIT FIT Image
r4u.FITS Flexible Image Transport System Image
r4u.FLC Autodesk Animator Image
r4u.FLI Autodesk Animator Image
r4u.FPG DIV Game Studio Multi Map Image
r4u.FRE Male Normal CT Image
r4u.FRM Megalux Frame
r4u.FRM PhotoFrame
r4u.FSH EA Sports FSH Image
r4u.FSY PhotoFantasy Image
r4u.FTS Flexible Image Transport System Image
r4u.FXO WinFAX Image
r4u.FXS WinFAX Image
r4u.G3 Fax Group 3 Image
r4u.G3N Imaging Fax Image
r4u.G4 Access Image
r4u.GAF Total Annihilation Image
r4u.GB Printfox/Pagefox Image
r4u.GBR Gimp Brush Image
r4u.GEM Digital Research (GEM Paint) Image
r4u.GEO GeoPaint Image
r4u.GG Koala Paint (Compressed) Image
r4u.GIF Graphics Interchange Format Image
r4u.GIFF CompuServe GIF Image
r4u.GM Autologic Image
r4u.GM2 Autologic Image
r4u.GM4 Autologic Image
r4u.GRB HP-48/49 GROB Image
r4u.GREY Raw Image
r4u.GRO HP-48/49 GROB Image
r4u.GRY Raw Image
r4u.HDR Apollo HDRU Image
r4u.HDR ArcInfo Binary Image
r4u.HDRU Apollo HDRU Image
r4u.HED Hi-Eddi Image
r4u.HF HF Image
r4u.HIR Hires C64 Image
r4u.HPGL HP Graphics Language Image
r4u.HPI Hemera Photo Image
r4u.HR TRS 80 Image
r4u.HRU HRU Image
r4u.HRZ Slow Scan Television Image
r4u.HTA Hemera Thumbs Image
r4u.I17 Pixel Power Collage Image
r4u.I18 Pixel Power Collage Image
r4u.IB7 Pixel Power Collage Image
r4u.ICA IOCA Image
r4u.ICB Image Capture Board Image
r4u.ICN RIPTerm Image
r4u.ICNS Macintosh Icon File
r4u.ICO Windows Icon File
r4u.ICO Sun Icon/Cursor
r4u.ICON Sun Icon/Cursor
r4u.IDC Core IDC Image
r4u.IF9 Pixel Power Collage Image
r4u.IFF Explore (TDI) & Maya Image
r4u.IFF Sun TAAC Image
r4u.IFF Amiga IFF Image
r4u.IIM Inshape Image
r4u.IIMG Interleaf Image
r4u.ILBM Deluxe Paint, Electronic Arts Image
r4u.IM AIM Grey Scale Image
r4u.IM5 IM5 (Visilog) Image
r4u.IMA AIM Grey Scale Image
r4u.IMG ADEX Image
r4u.IMG Digital Research (GEM Paint) Image
r4u.IMG Imaging Technology Image
r4u.IMG Img Software Set Image
r4u.IMG Microtek Eyestar Image
r4u.IMG Planetary Data System Image
r4u.IMG Radiance Image
r4u.IMG Sharp GPB Image
r4u.IMG Starbase Image
r4u.IMG Vivid Ray-Tracer Image
r4u.IMG Autocad CAD-Camera Image
r4u.IMG Datacopy Image
r4u.IMG Vicar Image
r4u.IMT IMNET Image
r4u.INFO Amiga icon
r4u.IOCA IOCA Image
r4u.IPG Mindjongg Format Image
r4u.IPH InterPaint (Hires) Image
r4u.IPT InterPaint (Multicolor) Image
r4u.IRIS Iris graphic Image
r4u.IRIS Silicon Graphics RGB Image
r4u.ISH Image Speeder Image
r4u.ISM Image System (Multicolor) Image
r4u.ISS ISS Image
r4u.ITG Intergraph Format Image
r4u.IVB Truevision Targa Image
r4u.J JPEG / JFIF Image
r4u.J2K LuraWave JPEG-2000 Format Image
r4u.J6I Ricoh Digital Camera Image
r4u.JBF PaintShopPro Browser Cache File
r4u.JBG JBIG Image
r4u.JBIG JBIG Image
r4u.JFIF Joint Photographic Experts Group Image
r4u.JIF Joint Photographic Experts Group Image
r4u.JIF Jeff's Image Format Image
r4u.JJ Doodle C64 (Compressed) Image
r4u.JLS JPEG-LS Image
r4u.JNG Jpeg Network Graphics Image
r4u.JP2 LuraWave JPEG-2000 Format Image
r4u.JPC LuraWave JPEG-2000 Code Stream Image
r4u.JPE Joint Photographic Experts Group Image
r4u.JPEG Joint Photographic Experts Group Image
r4u.JPG Joint Photographic Experts Group Image
r4u.JPS Stereo Image
r4u.JPX LuraWave JPEG-2000 Format Image
r4u.JTF Hayes JTFax Image
r4u.K25 Kodak DC25 Camera Image
r4u.KDC Raw Image File
r4u.KFX Kofax Group 4 Image
r4u.KOA Koala Paint Image
r4u.KPS IBM Kips Image
r4u.KQP Konica Camera File
r4u.LBM Deluxe Paint, Electronic Arts Image
r4u.LDA LaserData Image
r4u.LFF LucasFilm Format Image
r4u.LIF Homeworld Texture
r4u.LVP LView Pro Image
r4u.LWI Light Work Image
r4u.M8 Heretic II MipMap Image
r4u.MAC Mac Paint Image
r4u.MACP Mac Paint Image
r4u.MAG MAGIchan Graphics Image
r4u.MAP DIV Game Studio Map Image
r4u.MAP Fenix Map Image
r4u.MBFAVS Stardent AVS X Image
r4u.MBFS Stardent AVS X Image
r4u.MBM Psion Serie 5 Bitmap Image
r4u.MDI Microsoft Document Imaging Image
r4u.MDL Half-Life Model Image
r4u.MGR MGR bitmap Image
r4u.MIF Image Magick file
r4u.MIFF Image Magick file
r4u.MIL Micro Illustrator Uncompressed Image
r4u.MNG Multiple Network Graphics Image
r4u.MPNT Mac Paint Image
r4u.MRF Marks Russel File
r4u.MRW Minolta Raw Image File
r4u.MSK PaintShopPro Mask
r4u.MSP Microsoft Paint Image
r4u.MTV MTV Ray-Tracer Image
r4u.MTX Maw-Ware Textures Image
r4u.NCD CoverDesigner Image
r4u.NCR NCR Image
r4u.NCT CoverDesigner Template
r4u.NEF Raw Image File
r4u.NEO Neochrome (ST & TT) Image
r4u.NGG Nokia Group Graphics Image
r4u.NITF National Imagery Transmission Image
r4u.NLM Nokia Logo File
r4u.NOL Nokia Operator Logo
r4u.NPM Neopaint Mask
r4u.OAZ OAZ Fax Image
r4u.OCP Advanced Art Studio Image
r4u.OFX Olicom Fax Image
r4u.OIL Open Image Library Format Image
r4u.ORF Raw Image File
r4u.OTB Nokia OTA Image
r4u.P64 Picasso 64 Image
r4u.P7 XV Visual Schnauzer Image
r4u.PAC Stad Image
r4u.PAINT Mac Paint Image
r4u.PAN SmoothMove Pan Viewer Image
r4u.PAT Gimp Pattern
r4u.PAT Corel Draw Pattern (preview) Image
r4u.PBM Portable Bitmap Image
r4u.PBM Portable Bitmap Image
r4u.PBT Micro Dynamics MARS Image
r4u.PC1 Degas & Degas Elite Image
r4u.PC2 Degas & Degas Elite Image
r4u.PC3 Degas & Degas Elite Image
r4u.PCC Zsoft Publisher's Paintbrush Image
r4u.PCD Kodak Photo CD Image
r4u.PCL Page Control Language Image
r4u.PCT Mac Pict Image
r4u.PCT NIST ihdr Image
r4u.PCX Zsoft Paintbrush Image
r4u.PD Male MRI Image
r4u.PDB MonkeyCard Image
r4u.PDB MonkeyLogo
r4u.PDB Palm Pilot Image
r4u.PDB Photo Deluxe Image
r4u.PDB TealPaint Image
r4u.PDD Photo Deluxe Image
r4u.PDN Paint.NET Image
r4u.PDS Planetary Data System Image
r4u.PDX Mayura Draw Image
r4u.PE4 Ulead Texture
r4u.PEF Raw Image File
r4u.PFR PaintShopPro Frame
r4u.PG Printfox/Pagefox Image
r4u.PGC Portfolio Graphics Compressed Image
r4u.PGF Portfolio Graphics Image
r4u.PGM Portable Graymap Image
r4u.PHP Adobe PhotoParade Image
r4u.PI Blazing Paddles Image
r4u.PI1 Degas & Degas Elite Image
r4u.PI2 Degas & Degas Elite Image
r4u.PI3 Degas & Degas Elite Image
r4u.PI4 Degas & Degas Elite Image
r4u.PI5 Degas & Degas Elite Image
r4u.PI6 Degas & Degas Elite Image
r4u.PIC Macintosh Quickdraw/Pict Image
r4u.PIC PC Paint / Pictor Page Image
r4u.PIC Pixar Image
r4u.PIC Radiance Image
r4u.PIC Rayshade Image
r4u.PIC Advanced Art Studio Image
r4u.PIC Bio-Rad confocal Image
r4u.PIC Psion Serie 3 Bitmap Image
r4u.PIC Softimage
r4u.PIC Stad Image
r4u.PIC WinMIPS Image
r4u.PICIO Pixar Image
r4u.PICT Macintosh Quickdraw/Pict Image
r4u.PICT2 Macintosh Quickdraw/Pict Image
r4u.PIG Ricoh IS30 Image
r4u.PIX Alias Image File
r4u.PIX Truevision Targa Image
r4u.PIX Vort Image
r4u.PIX ESM Software Pix Image
r4u.PIX PABX Image
r4u.PIXAR Pixar Image
r4u.PLT HP Graphics Language Image
r4u.PM X11 Pixmap Image
r4u.PM PM Image
r4u.PMG Paint Magic Image
r4u.PMP Sony DSC-F1 Cyber-shot Image
r4u.PNG Portable Network Graphic Image
r4u.PNM Portable Image
r4u.PNT Mac Paint Image
r4u.PNTG Mac Paint Image
r4u.PP4 Micrografx Picture Publisher 4.0 Image
r4u.PP5 Micrografx Picture Publisher 5.0 Image
r4u.PPM Portable Pixelmap Image
r4u.PPP Punk Productions Picture
r4u.PR Sun Icon/Cursor
r4u.PRC Picture Gear Pocket Image
r4u.PRF Polychrome Recursive Format Image
r4u.PRI Prisms Image
r4u.PSD Adobe Photoshop Image
r4u.PSE IBM Printer Page Segment Image
r4u.PSF PhotoStudio File
r4u.PSP PaintShopPro Image
r4u.PST Ulead Pattern
r4u.PWP Seattle Film Works multi-image
r4u.PXA Pixia Image
r4u.PXA Pegs Image
r4u.PXB Pixibox Image
r4u.PXR Pixar Image
r4u.PXS Pegs Image
r4u.PZL Puzzle Image
r4u.PZP MGI Photosuite Project Image
r4u.Q0 Q0 Image
r4u.QDV Qdv (Random Dot Software) Image
r4u.QRT Qrt Ray-Tracer Image
r4u.QTI QuickTime Image Format Image
r4u.QTIF QuickTime Image Format Image
r4u.QTL YUV 16Bits Image
r4u.QTL YUV 4:4:4 Image
r4u.QTL YUV 4:1:1 Image
r4u.QTL YUV 4:2:2 Image
r4u.RAD Radiance Image
r4u.RAF Raw Image File
r4u.RAS Sun Raster Image
r4u.RAST Sun Rasterfile
r4u.RAW Raw Image File
r4u.RGB Q0 Image
r4u.RGB Silicon Graphics RGB Image
r4u.RGBA Silicon Graphics RGB Image
r4u.RGH ZZ Rough Image
r4u.RIX ColoRIX Image
r4u.RL4 Windows Bitmap Image
r4u.RL8 Windows Bitmap Image
r4u.RLA Wavefront Raster Image
r4u.RLB Wavefront Raster Image
r4u.RLC Image Systems RLC2 Graphic Image
r4u.RLE ADEX Image
r4u.RLE Intergraph Format Image
r4u.RLE Utah raster Image
r4u.RLE Windows Bitmap Image
r4u.RP Rainbow Painter Image
r4u.RPBM Portable Bitmap Image
r4u.RPGM Portable Greyscale Image
r4u.RPM RunPaint (Multicolor) Image
r4u.RPNM Portable Image
r4u.RPPM Portable Image
r4u.RS Sun Rasterfile
r4u.RSB Red Storm Image
r4u.SAR Saracen Paint Image
r4u.SC2 Msx 2 Screen Image
r4u.SCI SciFax Image
r4u.SCI ColoRIX Image
r4u.SCR Sun Rasterfile
r4u.SCR ZX Spectrum Standard Screen Image
r4u.SCT SciTex Continuous Tone Image
r4u.SCX ColoRIX Image
r4u.SD0 Dali Raw Image
r4u.SD1 Dali Raw Image
r4u.SD2 Dali Raw Image
r4u.SDG Star Office Gallery Image
r4u.SDT SmartDraw 6 Template
r4u.SEQ Stad Image
r4u.SFW Seattle Film Works Image
r4u.SGF StarWriter Graphics Format Image
r4u.SGI Silicon Graphics RGB Image
r4u.SGV StarDraw Image
r4u.SI Softimage
r4u.SIM Aurora Image
r4u.SIR BYU SIR Image
r4u.SIR Solitaire Image Recorder Image
r4u.SJ1 Sega SJ-1 DIGIO Image
r4u.SKF Autodesk SKETCH thumbnail Image
r4u.SKN Skantek Image
r4u.SKP Autodesk SketchUp component Image
r4u.SMP Xionics SMP Image
r4u.SNA ZX Spectrum Snapshot Image
r4u.SPC Spectrum 512 (Compressed) Image
r4u.SPS Spectrum 512 (Smooshed) Image
r4u.SPU Spectrum 512 Image
r4u.SR Sun Rasterfile
r4u.SR2 Sony Raw Image File
r4u.SRF Sony Raw Image File
r4u.SSI SriSun Image
r4u.SSP Axialis Screensaver Image
r4u.ST4 SBIG CCD camera ST-X Image
r4u.ST4 SBIG CCD camera ST-4 Image
r4u.ST5 SBIG CCD camera ST-X Image
r4u.ST6 SBIG CCD camera ST-X Image
r4u.ST7 SBIG CCD camera ST-X Image
r4u.ST8 SBIG CCD camera ST-X Image
r4u.STM PhotoStudio Stamp Image
r4u.STW Neopaint Stamp Image
r4u.STX SBIG CCD camera ST-X Image
r4u.SUL Gfa Raytrace Image
r4u.SUN Sun Rasterfile
r4u.SUNIFF Sun TAAC Image
r4u.SVG Scalable Vector Graphics Image
r4u.SVGZ GZip Compressed Scalable Vector Graphics Image
r4u.SYN Synthetic Universe Image
r4u.SYNU Synthetic Universe Image
r4u.T1 Male MRI Image
r4u.T2 Male MRI Image
r4u.TAAC Sun TAAC Image
r4u.TAP Oric TAP Image
r4u.TARGA Truevision Targa Image
r4u.TDI Explore (TDI) & Maya Image
r4u.TDIM Digital F/X Image
r4u.TEX PaintShopPro Texture
r4u.TG4 TG4 Image
r4u.TGA Truevision Targa Image
r4u.THB KinuPix Skin Image
r4u.TIF Tagged Image File Format Image
r4u.TIFF Tagged Image File Format Image
r4u.TIL Buttonz & Tilez texture
r4u.TILE Eclipse Image
r4u.TIM Sony Playstation TIM Image
r4u.TIM TIFF Revision 6 Image
r4u.TN1 Tiny Image
r4u.TN2 Tiny Image
r4u.TN3 Tiny Image
r4u.TNL Thumbnail Image
r4u.TNY Tiny Image
r4u.TTF Optigraphics Tiled Image
r4u.TUB PaintShopPro Picture Tube Image
r4u.UPI Ulead PhotoImpact Image
r4u.URT Utah raster Image
r4u.UYVY YUV 16Bits Image
r4u.VDA Video Display Adapter Image
r4u.VFF Sun TAAC Image
r4u.VGA Windows Bitmap Image
r4u.VI Jovian VI Image
r4u.VIC Vicar Image
r4u.VICAR Vicar Image
r4u.VID Vidcom 64 Image
r4u.VIF Khoros Visualization Image file
r4u.VIF Verity Image
r4u.VIFF Khoros Visualization Image file
r4u.VIT VITec Image
r4u.VOB Vue d'esprit Image
r4u.VPB Quantel VPB Image
r4u.VST Vista Image
r4u.WAD WAD (Half Life) Image
r4u.WAL Quake Texture
r4u.WAP Wireless Bitmap Image
r4u.WBC WebShots Image
r4u.WBM Wireless Bitmap Image
r4u.WBMP Wireless Bitmap Image
r4u.WBZ WebShots Image
r4u.WFX WinFAX Image
r4u.WPG WordPerfect Graphics Image
r4u.WRL VRML2 Image
r4u.X Stardent AVS X Image
r4u.X11 X Windows System Dump Image
r4u.X3F Raw Image File
r4u.XAR Xara Image
r4u.XBM X Bitmap Image
r4u.XCF Gimp Bitmap Image
r4u.XIF Xerox DIFF Image
r4u.XIM Ximage
r4u.XP0 SecretPhotos Puzzle Image
r4u.XPM X PixMap Image
r4u.XV Khoros Visualization Image file
r4u.XWD X Windows System Dump Image
r4u.YUV YUV 16Bits Image
r4u.YUV YUV 4:1:1 Image
r4u.YUV YUV 4:2:2 Image
r4u.YUV YUV 4:4:4 Image
r4u.ZBR Zoner Zebra Metafile
r4u.ZMF Zoner Callisto Metafile
r4u.[B] Amica Paint Image
Types of Metadata Files
r4u.ABT AbiWord Template
r4u.ASA ASP Configuration File
r4u.ASX Advanced Stream Redirector
r4u.B4S Winamp 3+ Playlist
r4u.BTSEARCH BitTorrent Search File
r4u.BUP DVD Information File
r4u.CGM Computer Graphics Metafile
r4u.CKZ CKZ Checksum File
r4u.CODE eXtensible Stylesheet Language Transformation File
r4u.CONFIG Configuration File
r4u.CRC Cyclic Redundancy Check Checksum File
r4u.CUE Cue Sheet
r4u.DOT Microsoft Word Template
r4u.DOTM Microsoft Word XML Template
r4u.DOTX Microsoft Open XML Word Template
r4u.EMF Enhanced Metafile
r4u.IFO DVD Information File
r4u.INI Initialization File
r4u.M3U MP3 Uniform Resource Locator
r4u.MANIFEST Windows Assembly Manifest File
r4u.MD5 MD5 Checksum File
r4u.MET OS/2 Metafile
r4u.MP TeX Metapost Macro
r4u.NFO Downloaded Program Information
r4u.OTP ODF Presentation Template
r4u.OTS ODF Spreadsheet Template
r4u.OTT ODF Text Document Template
r4u.PAR Parity Checksum File
r4u.PLS Playlist
r4u.POT Microsoft PowerPoint Template
r4u.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
r4u.POTX Microsoft Open XML PowerPoint Template
r4u.SFV SFV Checksum File
r4u.SHAPE Dia Shape File
r4u.SRT DVD Subtitles File
r4u.STC OpenOffice.org 1.0 Spreadsheet Template
r4u.STI OpenOffice.org 1.0 Presentation Template
r4u.STW OpenOffice.org 1.0 Text Document Template
r4u.SVM StarView MetaFile
r4u.TEX TeX PSTricks Macro
r4u.TORRENT BitTorrent Tracker File
r4u.VLC VLC Media Player Data
r4u.VOR StarWriter Template
r4u.VOR StarCalc Template
r4u.VOR StarImpress Template
r4u.WMF Windows Metafile
r4u.XLM Microsoft Excel Macro
r4u.XLT Microsoft Excel Template
r4u.XLTM Microsoft Excel XML Template
r4u.XLTX Microsoft Excel XML Template
r4u.XLW Microsoft Excel Workspace
r4u.XSPF XML Shareable Playlist Format
Types of Plugins
r4u.XPI Firefox Plugin
Types of Presentations
r4u.ODG ODF Drawing Presentation
r4u.ODP ODF Presentation
r4u.PPS Microsoft PowerPoint Show
r4u.PPSX Microsoft Open XML PowerPoint Show
r4u.PPT Microsoft PowerPoint Presentation
r4u.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
r4u.PPTX Microsoft Open XML PowerPoint Presentation
r4u.SDA StarDraw Drawing
r4u.SDD StarDraw Drawing
r4u.SDD StarImpress Presentation
r4u.SXD Microsoft OpenOffice.org 1.0 Drawing
r4u.SXI OpenOffice.org 1.0 Presentation
r4u.UOF Unified Office Format Presentation
r4u.UOP Unified Office Format Presentation
Types of Shell Scripts
r4u.AU3 AutoIt Script
r4u.BAT Windows Batch File
r4u.BSH Bash Shell Script
r4u.SH Unix Shell Script
Types of Source Code
r4u.ASAX ASP.Net Open XML Configuration File
r4u.ASP Active Server Page Source File
r4u.ASPX ASP.Net Open XML Source File
r4u.C C Source File
r4u.CGI Perl Source File
r4u.CPP C++ Source File
r4u.CS C# Source File
r4u.CSPROJ C# Project File
r4u.CSS Cascading Style Sheets Source File
r4u.CXX C++ Source File
r4u.H C Header File
r4u.HPP C++ Header File
r4u.HTA
r4u.HTM Hypertext Markup Language Source File
r4u/value/r4u Hypertext Markup Language Source File
r4u.JAVA JAVA Source File
r4u.JS JavaScript Source File
r4u.JSP JavaServer Pages Source File
r4u.MHT
r4u./value/r4u
r4u.PHP PHP Source File
r4u.PHP3 PHP3 Source File
r4u.PL Perl Source File
r4u.PM Perl Module
r4u.RC C++ Resource Compiler Script
r4u./value/r4u Server Side Includes/value/r4u File
r4u.SQL SQL Database Query
r4u.STM Server Side Includes/value/r4u File
r4u.VB Visual Basic .Net Source File
r4u.VBPROJ Visual Basic .Net Project File
r4u.VBS Visual Basic Script
r4u.XAML Extensible Application Markup Language
r4u.XML Extensible Markup Language
Types of Spreadsheets
r4u.123 IBM Lotus 1-2-3 Spreadsheet
r4u.DIF Data Interchange Format Document
r4u.ODS ODF Spreadsheet
r4u.PXL Pocket Excel Spreadsheet
r4u.SDC StarCalc Spreadsheet
r4u.SLK SYLK Spreadsheet
r4u.SXC OpenOffice.org 1.0 Spreadsheet
r4u.UOF Unified Office Format Spreadsheet
r4u.UOS Unified Office Format Spreadsheet
r4u.WB2 Quattro Pro Spreadsheet
r4u.WK1 Lotus 1-2-3 Spreadsheet
r4u.WKS Lotus 1-2-3 Spreadsheet
r4u.XLC Microsoft Excel Chart
r4u.XLS Microsoft Excel Spreadsheet
r4u.XLSB Microsoft Excel Binary Spreadsheet
r4u.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
r4u.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
r4u.3G2 3G Mobile Phone Video
r4u.3GP 3G Mobile Phone Video
r4u.ASF Advanced Systems Format Video
r4u.AVI Audio Video Interleave
r4u.BIK Bink Video
r4u.BIN Binary DVD Video
r4u.DAT VCD Video
r4u.DIVX DivX Movie
r4u.DV Digital Video
r4u.FLV Flash Video
r4u.GXF General eXchange Format
r4u.M1V MPEG-1 Video
r4u.M2TS MPEG-2 Transport Stream Videos
r4u.M2V MPEG-2 Video
r4u.M4V MPEG-4 Video File
r4u.MKV Matroska Video Stream
r4u.MOV Apple QuickTime Movie
r4u.MP4 MPEG-4 Part 14 Multimedia Container
r4u.MPEG MPEG Video
r4u.MPEG1 MPEG-1 Video
r4u.MPEG2 MPEG-2 Video
r4u.MPEG4 MPEG-4 Video
r4u.MPG MPEG Video
r4u.MTS AVCHD Video File
r4u.MXF Material eXchange Format
r4u.OGM Ogg Multimedia Container File
r4u.RM RealMedia Streaming Media File
r4u.RMVB RealMedia Variable Bitrate Media File
r4u.SWF Adobe Flash Movie
r4u.TS DVD Video
r4u.VOB DVD Video Object
r4u.WMV Windows Media Video
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