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Types of Assemblies
usr4.DLL Dynamic Link Library
usr4.EXE Windows Executable File
Types of Audio Files
usr4.A52 Dolby Digital AC-3 Compressed Audio File
usr4.AAC Advanced Audio Coding Compressed Audio File
usr4.AC3 Dolby Digital AC-3 Compressed Audio File
usr4.AIF Audio Interchange Format File
usr4.APE Monkey's Audio Compressed Audio File
usr4.AU Sun / NeXT Audio File
usr4.DTS Digital Theater Systems Audio File
usr4.FLAC Free Lossless Audio Codec Compressed Audio FIle
usr4.M4A MPEG-4 Audio File
usr4.M4P Protected AAC File
usr4.MID MIDI Audio Sequence
usr4.MKA Matroska Audio Stream
usr4.MOD MOD Audio File
usr4.MP1 MPEG-1 Audio Layer I
usr4.MP2 MPEG-1 Audio Layer II
usr4.MP3 MPEG-1 Audio Layer 3
usr4.OGG Ogg Multimedia Container File
usr4.OMA OpenMG Audio File
usr4.RA RealMedia Audio File
usr4.RAM RealMedia Audio File
usr4.SND Sun / NeXT Audio File
usr4.SPX Ogg Speex Audio File
usr4.WAV Waveform Audio
usr4.WMA Windows Media Audio File
usr4.WV WavPack Compressed Audio File
usr4.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
usr4.7Z 7-Zip Compressed Archive
usr4.ACE Ace Compressed Archive
usr4.ARJ Archived by Robert Jung Compressed Archive
usr4.BZ BZip Compressed Archive
usr4.BZ2 BZip2 Compressed Archive
usr4.CAB Cabinet Compressed Archive
usr4.CPIO CPIO Compressed Archive
usr4.GZ GNU Zip Compressed Archive
usr4.JAR Java Archive
usr4.LHA LHA Compressed Archive
usr4.LZH Lempel-Ziv and Haruyasu Compressed Archive
usr4.R00 WinRAR Archive Partial File
usr4.RAR WinRAR Compressed Archive
usr4.REV WinRAR Recovery Volume
usr4.TAR TAR Archive
usr4.TAZ TAR Compressed Archive
usr4.TBZ BZip Compressed Tar Archive
usr4.TBZ2 BZip2 Compressed Tar Archive
usr4.TGZ GZip Compressed Tar Archive
usr4.UU Uuencoded File
usr4.UUE Uuencoded File
usr4.XXE Compressed ASCII Archive
usr4.Z Unix Compressed Archive
usr4.ZIP Zip Compressed Archive
Types of Data Files
usr4.CSV Comma Separated Value Database
usr4.DAT Data File
usr4.DBF dBASE Database
usr4.ICL Icon Library
usr4.MNL MathML Data
usr4.NWP Magentic Content File
usr4.ODB ODF Database
usr4.ODF ODF Formula
usr4.PART Partially Downloaded File
usr4.SMF StarMath Data
usr4.SXM OpenOffice.org 1.0 Formula
usr4.TMP Temporary File
usr4.TXT Comma Separated Value Database
usr4.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
usr4.B5I B5I Disk Image
usr4.B5T B5T Disk Image
usr4.BIN Binary Disk Image
usr4.BWI BlinkWrite Disk Image
usr4.BWT BlinkWrite Disk Image
usr4.C2D C2D Disk Image
usr4.CCD CCD Disk Image
usr4.CD CD Disk Image
usr4.CDI CD Image File
usr4.CDR Raw CD Audio File
usr4.CIF CIF Disk Image
usr4.DAO DAO Disk Image
usr4.DI Raw CD Audio File
usr4.DMG Mac OS X Disk Image
usr4.DVD DVD Disk Image
usr4.FCD FCD Disk Image
usr4.FLP FLP Disk Image
usr4.GCD GCD Disk Image
usr4.GCM GameCube Image File
usr4.GI Global Disk Image
usr4.IBB IBB Disk Image
usr4.IBP IBP Disk Image
usr4.IBQ IsoBuster Disk Image
usr4.IMG Disk Image File
usr4.ISO ISO 9660 Disk Image
usr4.LST DVD Image List
usr4.MDF MDF Disk Image
usr4.MDS MDS CD/DVD Image
usr4.NRG Nero Disk Image
usr4.P01 P01 Disk Image
usr4.PDI InstantCopy Disc Image
usr4.PXI PXI Disk Image
usr4.TAO TAO Disk Image
usr4.UDI Universal Disk Image
usr4.VC4 VC4 Disk Image
usr4.VCD Farstone Virtual Drive
usr4.VDI Virtuo CD Manager Disk Image
Types of Documents
usr4.ABW AbiWord Document
usr4.CHM Compiled Help File
usr4.DJV DjVu Document
usr4.DJVU DjVu Document
usr4.DOC Corel WordPerfect Document
usr4.DOC Microsoft Word Document
usr4.DOCM Microsoft Word XML Document
usr4.DOCX Microsoft Open XML Word Document
usr4.GAN GanttProject File
usr4.HWP Hangul Word Processor Document
usr4.LOG Log File
usr4.ODM ODF Master Document
usr4.ODT ODF Text Document
usr4.OTH
usr4.PDB Palm AportisDoc Document
usr4.PDF Portable Document Format Document
usr4.PSW Pocket Word Document
usr4.RTF Rich Text Format Document
usr4.SDW StarWriter Document
usr4.SGL StarWriter Master Document
usr4.STW OpenOffice.org 1.0/value/usr4 Template
usr4.SXG OpenOffice.org 1.0 Master Document
usr4.SXW OpenOffice.org 1.0 Text Document
usr4.TXT Text Document
usr4.UOF Unified Office Format Document
usr4.UOT Unified Office Format Document
usr4.WPD WordPerfect Document
usr4.WPS Microsoft Works Document
usr4.XML DocBook Document
Types of Images
usr4.!S ZX Spectrum Hobetta Image
usr4.$C ZX Spectrum Hobetta Image
usr4.$S ZX Spectrum Hobetta Image
usr4.001 Ricoh Fax Image
usr4.001 SmartFax Image
usr4.16 LSS16 Image
usr4.2BP Pocket PC Bitmap Image
usr4.2D Amapi Image
usr4.301 Brooktrout 301 Image
usr4.3FR Hasselblad 3F RAW Image
usr4.411 Mavica Image
usr4.4BIT GoDot Image
usr4.4BT GoDot Image
usr4.73I TI Bitmap Image
usr4.82I TI Bitmap Image
usr4.83I TI Bitmap Image
usr4.85I TI Bitmap Image
usr4.86I TI Bitmap Image
usr4.89I TI Bitmap Image
usr4.92I TI Bitmap Image
usr4.A64 Artist 64 Image
usr4.ABS Optocat Image
usr4.ACE Aces200 Image
usr4.ACR Dicom Image
usr4.AFX Auto F/X Image
usr4.ALIAS Alias Image File
usr4.ALS Alias Image File
usr4.AMI Amica Paint Image
usr4.ANI Animated Mouse Cursor Image
usr4.ANI Windows Animated Cursor
usr4.ANV AirNav Image
usr4.APX Photopaint Image
usr4.ARF ARF Image
usr4.ARN Astronomical Research Network Image
usr4.ART Art Director Image
usr4.ART Artisan Image
usr4.ART Advanced Art Studio Image
usr4.ART Pfs Art Publisher Image
usr4.ATK Andrew Toolkit raster object Image
usr4.ATT AT&T Group 4 Image
usr4.AVS Stardent AVS X Image
usr4.B&W ImageLab Image
usr4.B16 PCO Image
usr4.B3D B3D (images) Image
usr4.BFL BFLI Image
usr4.BFLI BFLI Image
usr4.BFX Bfx Bitware Image
usr4.BGA OS/2 Bitmap Image
usr4.BIE JBIG Image
usr4.BIF byLight Image
usr4.BIG Cartes Michelin Image
usr4.BLD MegaPaint Image
usr4.BLK Amiga IFF Image
usr4.BM X11 Bitmap Image
usr4.BMC Embroidery Image
usr4.BMF BMF Image
usr4.BMP Windows Bitmap Image
usr4.BMP Alpha Microsystems BMP Image
usr4.BMS Playback Bitmap Sequence Image
usr4.BOB Bob Raytracer Image
usr4.BPX Truevision Targa Image
usr4.BRK Brooktrout 301 Image
usr4.BRT Brooktrout 301 Image
usr4.BS Printfox/Pagefox Image
usr4.BTN JustButtons animated bitmap Image
usr4.BUM Poser Bump Image
usr4.BW Silicon Graphics RGB Image
usr4.B_W ImageLab Image
usr4.C4 Edmics Image
usr4.CAL CALS Raster Image
usr4.CALS CALS Raster Image
usr4.CAM Casio QV-10/100 Camera Image
usr4.CAN Canon Navigator Fax Image
usr4.CAR NeoBook Cartoon Image
usr4.CAT Photomatrix Image
usr4.CBM Fuzzy bitmap Image
usr4.CDR Corel Draw Bitmap (preview) Image
usr4.CDU CDU Paint Image
usr4.CE Computer Eyes, Digital Vision Image
usr4.CE1 ComputerEyes Raw Image
usr4.CE2 ComputerEyes Raw Image
usr4.CEL Kiss Cel Image
usr4.CFT Optigraphics Image
usr4.CIN Kodak Cineon Image
usr4.CIT Intergraph Format Image
usr4.CLO Cloe Ray-Tracer Image
usr4.CLOE Cloe Ray-Tracer Image
usr4.CLP Windows Clipboard Image
usr4.CLP PC Paint / Pictor Page Image
usr4.CLP GoDot Image
usr4.CMP Discorp CMP Image
usr4.CMT Chinon ES-1000 digital camera Image
usr4.CMU CMU Window Manager Image
usr4.CMX Corel Metafile Exchange (preview) Image
usr4.CP8 CP8 256 Gray Scale Image
usr4.CPI Calamus Image
usr4.CPT CorelDraw Photopaint Image
usr4.CR2 Raw Image File
usr4.CRG Calamus Image
usr4.CRW Raw Image File
usr4.CT Iris CT Image
usr4.CUR Mouse Cursor Image
usr4.CURSOR Sun Icon/Cursor
usr4.CUT Dr Halo Image
usr4.CVP Portrait Image
usr4.DAT SPOT Image
usr4.DCM Dicom Image
usr4.DCR Raw Image File
usr4.DCX Multipage PCX Image
usr4.DCX Zsoft Multi-page Paintbrush Image
usr4.DCX Zsoft Publisher's Paintbrush Image
usr4.DD Doodle C64 Image
usr4.DDS Microsoft DirectDraw Surface
usr4.DIA Dia UML Diagram
usr4.DIB Windows Bitmap Image
usr4.DIS DKB Ray-Tracer Image
usr4.DNG Raw Image File
usr4.DOO Doodle Atari Image
usr4.DPX DPX Image
usr4.DRZ Draz Paint Image
usr4.DWF AutoCAD Drawing
usr4.DWG AutoCAD Drawing
usr4.DXF AutoCAD Drawing eXchange Format Drawing
usr4.DXF AutoCAD Drawing
usr4.ECC Ecchi Image
usr4.EI Electric Image
usr4.EIDI Electric Image
usr4.EIF Eroiica Image
usr4.EMF Enhanced Metafile Format Image
usr4.EPA Award Bios Logo
usr4.EPS Encapsulated PostScript Image
usr4.ESM Enhance Simplex Image
usr4.FAC Usenix FaceServer Image
usr4.FACE Usenix FaceServer Image
usr4.FAX Fax Group 3 Image
usr4.FBM Fuzzy bitmap Image
usr4.FFF Maggi Hairstyles & Cosmetics Image
usr4.FI Flash Image
usr4.FIG XFig Drawing
usr4.FIT FIT Image
usr4.FITS Flexible Image Transport System Image
usr4.FLC Autodesk Animator Image
usr4.FLI Autodesk Animator Image
usr4.FPG DIV Game Studio Multi Map Image
usr4.FRE Male Normal CT Image
usr4.FRM Megalux Frame
usr4.FRM PhotoFrame
usr4.FSH EA Sports FSH Image
usr4.FSY PhotoFantasy Image
usr4.FTS Flexible Image Transport System Image
usr4.FXO WinFAX Image
usr4.FXS WinFAX Image
usr4.G3 Fax Group 3 Image
usr4.G3N Imaging Fax Image
usr4.G4 Access Image
usr4.GAF Total Annihilation Image
usr4.GB Printfox/Pagefox Image
usr4.GBR Gimp Brush Image
usr4.GEM Digital Research (GEM Paint) Image
usr4.GEO GeoPaint Image
usr4.GG Koala Paint (Compressed) Image
usr4.GIF Graphics Interchange Format Image
usr4.GIFF CompuServe GIF Image
usr4.GM Autologic Image
usr4.GM2 Autologic Image
usr4.GM4 Autologic Image
usr4.GRB HP-48/49 GROB Image
usr4.GREY Raw Image
usr4.GRO HP-48/49 GROB Image
usr4.GRY Raw Image
usr4.HDR Apollo HDRU Image
usr4.HDR ArcInfo Binary Image
usr4.HDRU Apollo HDRU Image
usr4.HED Hi-Eddi Image
usr4.HF HF Image
usr4.HIR Hires C64 Image
usr4.HPGL HP Graphics Language Image
usr4.HPI Hemera Photo Image
usr4.HR TRS 80 Image
usr4.HRU HRU Image
usr4.HRZ Slow Scan Television Image
usr4.HTA Hemera Thumbs Image
usr4.I17 Pixel Power Collage Image
usr4.I18 Pixel Power Collage Image
usr4.IB7 Pixel Power Collage Image
usr4.ICA IOCA Image
usr4.ICB Image Capture Board Image
usr4.ICN RIPTerm Image
usr4.ICNS Macintosh Icon File
usr4.ICO Windows Icon File
usr4.ICO Sun Icon/Cursor
usr4.ICON Sun Icon/Cursor
usr4.IDC Core IDC Image
usr4.IF9 Pixel Power Collage Image
usr4.IFF Explore (TDI) & Maya Image
usr4.IFF Sun TAAC Image
usr4.IFF Amiga IFF Image
usr4.IIM Inshape Image
usr4.IIMG Interleaf Image
usr4.ILBM Deluxe Paint, Electronic Arts Image
usr4.IM AIM Grey Scale Image
usr4.IM5 IM5 (Visilog) Image
usr4.IMA AIM Grey Scale Image
usr4.IMG ADEX Image
usr4.IMG Digital Research (GEM Paint) Image
usr4.IMG Imaging Technology Image
usr4.IMG Img Software Set Image
usr4.IMG Microtek Eyestar Image
usr4.IMG Planetary Data System Image
usr4.IMG Radiance Image
usr4.IMG Sharp GPB Image
usr4.IMG Starbase Image
usr4.IMG Vivid Ray-Tracer Image
usr4.IMG Autocad CAD-Camera Image
usr4.IMG Datacopy Image
usr4.IMG Vicar Image
usr4.IMT IMNET Image
usr4.INFO Amiga icon
usr4.IOCA IOCA Image
usr4.IPG Mindjongg Format Image
usr4.IPH InterPaint (Hires) Image
usr4.IPT InterPaint (Multicolor) Image
usr4.IRIS Iris graphic Image
usr4.IRIS Silicon Graphics RGB Image
usr4.ISH Image Speeder Image
usr4.ISM Image System (Multicolor) Image
usr4.ISS ISS Image
usr4.ITG Intergraph Format Image
usr4.IVB Truevision Targa Image
usr4.J JPEG / JFIF Image
usr4.J2K LuraWave JPEG-2000 Format Image
usr4.J6I Ricoh Digital Camera Image
usr4.JBF PaintShopPro Browser Cache File
usr4.JBG JBIG Image
usr4.JBIG JBIG Image
usr4.JFIF Joint Photographic Experts Group Image
usr4.JIF Joint Photographic Experts Group Image
usr4.JIF Jeff's Image Format Image
usr4.JJ Doodle C64 (Compressed) Image
usr4.JLS JPEG-LS Image
usr4.JNG Jpeg Network Graphics Image
usr4.JP2 LuraWave JPEG-2000 Format Image
usr4.JPC LuraWave JPEG-2000 Code Stream Image
usr4.JPE Joint Photographic Experts Group Image
usr4.JPEG Joint Photographic Experts Group Image
usr4.JPG Joint Photographic Experts Group Image
usr4.JPS Stereo Image
usr4.JPX LuraWave JPEG-2000 Format Image
usr4.JTF Hayes JTFax Image
usr4.K25 Kodak DC25 Camera Image
usr4.KDC Raw Image File
usr4.KFX Kofax Group 4 Image
usr4.KOA Koala Paint Image
usr4.KPS IBM Kips Image
usr4.KQP Konica Camera File
usr4.LBM Deluxe Paint, Electronic Arts Image
usr4.LDA LaserData Image
usr4.LFF LucasFilm Format Image
usr4.LIF Homeworld Texture
usr4.LVP LView Pro Image
usr4.LWI Light Work Image
usr4.M8 Heretic II MipMap Image
usr4.MAC Mac Paint Image
usr4.MACP Mac Paint Image
usr4.MAG MAGIchan Graphics Image
usr4.MAP DIV Game Studio Map Image
usr4.MAP Fenix Map Image
usr4.MBFAVS Stardent AVS X Image
usr4.MBFS Stardent AVS X Image
usr4.MBM Psion Serie 5 Bitmap Image
usr4.MDI Microsoft Document Imaging Image
usr4.MDL Half-Life Model Image
usr4.MGR MGR bitmap Image
usr4.MIF Image Magick file
usr4.MIFF Image Magick file
usr4.MIL Micro Illustrator Uncompressed Image
usr4.MNG Multiple Network Graphics Image
usr4.MPNT Mac Paint Image
usr4.MRF Marks Russel File
usr4.MRW Minolta Raw Image File
usr4.MSK PaintShopPro Mask
usr4.MSP Microsoft Paint Image
usr4.MTV MTV Ray-Tracer Image
usr4.MTX Maw-Ware Textures Image
usr4.NCD CoverDesigner Image
usr4.NCR NCR Image
usr4.NCT CoverDesigner Template
usr4.NEF Raw Image File
usr4.NEO Neochrome (ST & TT) Image
usr4.NGG Nokia Group Graphics Image
usr4.NITF National Imagery Transmission Image
usr4.NLM Nokia Logo File
usr4.NOL Nokia Operator Logo
usr4.NPM Neopaint Mask
usr4.OAZ OAZ Fax Image
usr4.OCP Advanced Art Studio Image
usr4.OFX Olicom Fax Image
usr4.OIL Open Image Library Format Image
usr4.ORF Raw Image File
usr4.OTB Nokia OTA Image
usr4.P64 Picasso 64 Image
usr4.P7 XV Visual Schnauzer Image
usr4.PAC Stad Image
usr4.PAINT Mac Paint Image
usr4.PAN SmoothMove Pan Viewer Image
usr4.PAT Gimp Pattern
usr4.PAT Corel Draw Pattern (preview) Image
usr4.PBM Portable Bitmap Image
usr4.PBM Portable Bitmap Image
usr4.PBT Micro Dynamics MARS Image
usr4.PC1 Degas & Degas Elite Image
usr4.PC2 Degas & Degas Elite Image
usr4.PC3 Degas & Degas Elite Image
usr4.PCC Zsoft Publisher's Paintbrush Image
usr4.PCD Kodak Photo CD Image
usr4.PCL Page Control Language Image
usr4.PCT Mac Pict Image
usr4.PCT NIST ihdr Image
usr4.PCX Zsoft Paintbrush Image
usr4.PD Male MRI Image
usr4.PDB MonkeyCard Image
usr4.PDB MonkeyLogo
usr4.PDB Palm Pilot Image
usr4.PDB Photo Deluxe Image
usr4.PDB TealPaint Image
usr4.PDD Photo Deluxe Image
usr4.PDN Paint.NET Image
usr4.PDS Planetary Data System Image
usr4.PDX Mayura Draw Image
usr4.PE4 Ulead Texture
usr4.PEF Raw Image File
usr4.PFR PaintShopPro Frame
usr4.PG Printfox/Pagefox Image
usr4.PGC Portfolio Graphics Compressed Image
usr4.PGF Portfolio Graphics Image
usr4.PGM Portable Graymap Image
usr4.PHP Adobe PhotoParade Image
usr4.PI Blazing Paddles Image
usr4.PI1 Degas & Degas Elite Image
usr4.PI2 Degas & Degas Elite Image
usr4.PI3 Degas & Degas Elite Image
usr4.PI4 Degas & Degas Elite Image
usr4.PI5 Degas & Degas Elite Image
usr4.PI6 Degas & Degas Elite Image
usr4.PIC Macintosh Quickdraw/Pict Image
usr4.PIC PC Paint / Pictor Page Image
usr4.PIC Pixar Image
usr4.PIC Radiance Image
usr4.PIC Rayshade Image
usr4.PIC Advanced Art Studio Image
usr4.PIC Bio-Rad confocal Image
usr4.PIC Psion Serie 3 Bitmap Image
usr4.PIC Softimage
usr4.PIC Stad Image
usr4.PIC WinMIPS Image
usr4.PICIO Pixar Image
usr4.PICT Macintosh Quickdraw/Pict Image
usr4.PICT2 Macintosh Quickdraw/Pict Image
usr4.PIG Ricoh IS30 Image
usr4.PIX Alias Image File
usr4.PIX Truevision Targa Image
usr4.PIX Vort Image
usr4.PIX ESM Software Pix Image
usr4.PIX PABX Image
usr4.PIXAR Pixar Image
usr4.PLT HP Graphics Language Image
usr4.PM X11 Pixmap Image
usr4.PM PM Image
usr4.PMG Paint Magic Image
usr4.PMP Sony DSC-F1 Cyber-shot Image
usr4.PNG Portable Network Graphic Image
usr4.PNM Portable Image
usr4.PNT Mac Paint Image
usr4.PNTG Mac Paint Image
usr4.PP4 Micrografx Picture Publisher 4.0 Image
usr4.PP5 Micrografx Picture Publisher 5.0 Image
usr4.PPM Portable Pixelmap Image
usr4.PPP Punk Productions Picture
usr4.PR Sun Icon/Cursor
usr4.PRC Picture Gear Pocket Image
usr4.PRF Polychrome Recursive Format Image
usr4.PRI Prisms Image
usr4.PSD Adobe Photoshop Image
usr4.PSE IBM Printer Page Segment Image
usr4.PSF PhotoStudio File
usr4.PSP PaintShopPro Image
usr4.PST Ulead Pattern
usr4.PWP Seattle Film Works multi-image
usr4.PXA Pixia Image
usr4.PXA Pegs Image
usr4.PXB Pixibox Image
usr4.PXR Pixar Image
usr4.PXS Pegs Image
usr4.PZL Puzzle Image
usr4.PZP MGI Photosuite Project Image
usr4.Q0 Q0 Image
usr4.QDV Qdv (Random Dot Software) Image
usr4.QRT Qrt Ray-Tracer Image
usr4.QTI QuickTime Image Format Image
usr4.QTIF QuickTime Image Format Image
usr4.QTL YUV 16Bits Image
usr4.QTL YUV 4:4:4 Image
usr4.QTL YUV 4:1:1 Image
usr4.QTL YUV 4:2:2 Image
usr4.RAD Radiance Image
usr4.RAF Raw Image File
usr4.RAS Sun Raster Image
usr4.RAST Sun Rasterfile
usr4.RAW Raw Image File
usr4.RGB Q0 Image
usr4.RGB Silicon Graphics RGB Image
usr4.RGBA Silicon Graphics RGB Image
usr4.RGH ZZ Rough Image
usr4.RIX ColoRIX Image
usr4.RL4 Windows Bitmap Image
usr4.RL8 Windows Bitmap Image
usr4.RLA Wavefront Raster Image
usr4.RLB Wavefront Raster Image
usr4.RLC Image Systems RLC2 Graphic Image
usr4.RLE ADEX Image
usr4.RLE Intergraph Format Image
usr4.RLE Utah raster Image
usr4.RLE Windows Bitmap Image
usr4.RP Rainbow Painter Image
usr4.RPBM Portable Bitmap Image
usr4.RPGM Portable Greyscale Image
usr4.RPM RunPaint (Multicolor) Image
usr4.RPNM Portable Image
usr4.RPPM Portable Image
usr4.RS Sun Rasterfile
usr4.RSB Red Storm Image
usr4.SAR Saracen Paint Image
usr4.SC2 Msx 2 Screen Image
usr4.SCI SciFax Image
usr4.SCI ColoRIX Image
usr4.SCR Sun Rasterfile
usr4.SCR ZX Spectrum Standard Screen Image
usr4.SCT SciTex Continuous Tone Image
usr4.SCX ColoRIX Image
usr4.SD0 Dali Raw Image
usr4.SD1 Dali Raw Image
usr4.SD2 Dali Raw Image
usr4.SDG Star Office Gallery Image
usr4.SDT SmartDraw 6 Template
usr4.SEQ Stad Image
usr4.SFW Seattle Film Works Image
usr4.SGF StarWriter Graphics Format Image
usr4.SGI Silicon Graphics RGB Image
usr4.SGV StarDraw Image
usr4.SI Softimage
usr4.SIM Aurora Image
usr4.SIR BYU SIR Image
usr4.SIR Solitaire Image Recorder Image
usr4.SJ1 Sega SJ-1 DIGIO Image
usr4.SKF Autodesk SKETCH thumbnail Image
usr4.SKN Skantek Image
usr4.SKP Autodesk SketchUp component Image
usr4.SMP Xionics SMP Image
usr4.SNA ZX Spectrum Snapshot Image
usr4.SPC Spectrum 512 (Compressed) Image
usr4.SPS Spectrum 512 (Smooshed) Image
usr4.SPU Spectrum 512 Image
usr4.SR Sun Rasterfile
usr4.SR2 Sony Raw Image File
usr4.SRF Sony Raw Image File
usr4.SSI SriSun Image
usr4.SSP Axialis Screensaver Image
usr4.ST4 SBIG CCD camera ST-X Image
usr4.ST4 SBIG CCD camera ST-4 Image
usr4.ST5 SBIG CCD camera ST-X Image
usr4.ST6 SBIG CCD camera ST-X Image
usr4.ST7 SBIG CCD camera ST-X Image
usr4.ST8 SBIG CCD camera ST-X Image
usr4.STM PhotoStudio Stamp Image
usr4.STW Neopaint Stamp Image
usr4.STX SBIG CCD camera ST-X Image
usr4.SUL Gfa Raytrace Image
usr4.SUN Sun Rasterfile
usr4.SUNIFF Sun TAAC Image
usr4.SVG Scalable Vector Graphics Image
usr4.SVGZ GZip Compressed Scalable Vector Graphics Image
usr4.SYN Synthetic Universe Image
usr4.SYNU Synthetic Universe Image
usr4.T1 Male MRI Image
usr4.T2 Male MRI Image
usr4.TAAC Sun TAAC Image
usr4.TAP Oric TAP Image
usr4.TARGA Truevision Targa Image
usr4.TDI Explore (TDI) & Maya Image
usr4.TDIM Digital F/X Image
usr4.TEX PaintShopPro Texture
usr4.TG4 TG4 Image
usr4.TGA Truevision Targa Image
usr4.THB KinuPix Skin Image
usr4.TIF Tagged Image File Format Image
usr4.TIFF Tagged Image File Format Image
usr4.TIL Buttonz & Tilez texture
usr4.TILE Eclipse Image
usr4.TIM Sony Playstation TIM Image
usr4.TIM TIFF Revision 6 Image
usr4.TN1 Tiny Image
usr4.TN2 Tiny Image
usr4.TN3 Tiny Image
usr4.TNL Thumbnail Image
usr4.TNY Tiny Image
usr4.TTF Optigraphics Tiled Image
usr4.TUB PaintShopPro Picture Tube Image
usr4.UPI Ulead PhotoImpact Image
usr4.URT Utah raster Image
usr4.UYVY YUV 16Bits Image
usr4.VDA Video Display Adapter Image
usr4.VFF Sun TAAC Image
usr4.VGA Windows Bitmap Image
usr4.VI Jovian VI Image
usr4.VIC Vicar Image
usr4.VICAR Vicar Image
usr4.VID Vidcom 64 Image
usr4.VIF Khoros Visualization Image file
usr4.VIF Verity Image
usr4.VIFF Khoros Visualization Image file
usr4.VIT VITec Image
usr4.VOB Vue d'esprit Image
usr4.VPB Quantel VPB Image
usr4.VST Vista Image
usr4.WAD WAD (Half Life) Image
usr4.WAL Quake Texture
usr4.WAP Wireless Bitmap Image
usr4.WBC WebShots Image
usr4.WBM Wireless Bitmap Image
usr4.WBMP Wireless Bitmap Image
usr4.WBZ WebShots Image
usr4.WFX WinFAX Image
usr4.WPG WordPerfect Graphics Image
usr4.WRL VRML2 Image
usr4.X Stardent AVS X Image
usr4.X11 X Windows System Dump Image
usr4.X3F Raw Image File
usr4.XAR Xara Image
usr4.XBM X Bitmap Image
usr4.XCF Gimp Bitmap Image
usr4.XIF Xerox DIFF Image
usr4.XIM Ximage
usr4.XP0 SecretPhotos Puzzle Image
usr4.XPM X PixMap Image
usr4.XV Khoros Visualization Image file
usr4.XWD X Windows System Dump Image
usr4.YUV YUV 16Bits Image
usr4.YUV YUV 4:1:1 Image
usr4.YUV YUV 4:2:2 Image
usr4.YUV YUV 4:4:4 Image
usr4.ZBR Zoner Zebra Metafile
usr4.ZMF Zoner Callisto Metafile
usr4.[B] Amica Paint Image
Types of Metadata Files
usr4.ABT AbiWord Template
usr4.ASA ASP Configuration File
usr4.ASX Advanced Stream Redirector
usr4.B4S Winamp 3+ Playlist
usr4.BTSEARCH BitTorrent Search File
usr4.BUP DVD Information File
usr4.CGM Computer Graphics Metafile
usr4.CKZ CKZ Checksum File
usr4.CODE eXtensible Stylesheet Language Transformation File
usr4.CONFIG Configuration File
usr4.CRC Cyclic Redundancy Check Checksum File
usr4.CUE Cue Sheet
usr4.DOT Microsoft Word Template
usr4.DOTM Microsoft Word XML Template
usr4.DOTX Microsoft Open XML Word Template
usr4.EMF Enhanced Metafile
usr4.IFO DVD Information File
usr4.INI Initialization File
usr4.M3U MP3 Uniform Resource Locator
usr4.MANIFEST Windows Assembly Manifest File
usr4.MD5 MD5 Checksum File
usr4.MET OS/2 Metafile
usr4.MP TeX Metapost Macro
usr4.NFO Downloaded Program Information
usr4.OTP ODF Presentation Template
usr4.OTS ODF Spreadsheet Template
usr4.OTT ODF Text Document Template
usr4.PAR Parity Checksum File
usr4.PLS Playlist
usr4.POT Microsoft PowerPoint Template
usr4.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
usr4.POTX Microsoft Open XML PowerPoint Template
usr4.SFV SFV Checksum File
usr4.SHAPE Dia Shape File
usr4.SRT DVD Subtitles File
usr4.STC OpenOffice.org 1.0 Spreadsheet Template
usr4.STI OpenOffice.org 1.0 Presentation Template
usr4.STW OpenOffice.org 1.0 Text Document Template
usr4.SVM StarView MetaFile
usr4.TEX TeX PSTricks Macro
usr4.TORRENT BitTorrent Tracker File
usr4.VLC VLC Media Player Data
usr4.VOR StarWriter Template
usr4.VOR StarCalc Template
usr4.VOR StarImpress Template
usr4.WMF Windows Metafile
usr4.XLM Microsoft Excel Macro
usr4.XLT Microsoft Excel Template
usr4.XLTM Microsoft Excel XML Template
usr4.XLTX Microsoft Excel XML Template
usr4.XLW Microsoft Excel Workspace
usr4.XSPF XML Shareable Playlist Format
Types of Plugins
usr4.XPI Firefox Plugin
Types of Presentations
usr4.ODG ODF Drawing Presentation
usr4.ODP ODF Presentation
usr4.PPS Microsoft PowerPoint Show
usr4.PPSX Microsoft Open XML PowerPoint Show
usr4.PPT Microsoft PowerPoint Presentation
usr4.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
usr4.PPTX Microsoft Open XML PowerPoint Presentation
usr4.SDA StarDraw Drawing
usr4.SDD StarDraw Drawing
usr4.SDD StarImpress Presentation
usr4.SXD Microsoft OpenOffice.org 1.0 Drawing
usr4.SXI OpenOffice.org 1.0 Presentation
usr4.UOF Unified Office Format Presentation
usr4.UOP Unified Office Format Presentation
Types of Shell Scripts
usr4.AU3 AutoIt Script
usr4.BAT Windows Batch File
usr4.BSH Bash Shell Script
usr4.SH Unix Shell Script
Types of Source Code
usr4.ASAX ASP.Net Open XML Configuration File
usr4.ASP Active Server Page Source File
usr4.ASPX ASP.Net Open XML Source File
usr4.C C Source File
usr4.CGI Perl Source File
usr4.CPP C++ Source File
usr4.CS C# Source File
usr4.CSPROJ C# Project File
usr4.CSS Cascading Style Sheets Source File
usr4.CXX C++ Source File
usr4.H C Header File
usr4.HPP C++ Header File
usr4.HTA
usr4.HTM Hypertext Markup Language Source File
usr4/value/usr4 Hypertext Markup Language Source File
usr4.JAVA JAVA Source File
usr4.JS JavaScript Source File
usr4.JSP JavaServer Pages Source File
usr4.MHT
usr4./value/usr4
usr4.PHP PHP Source File
usr4.PHP3 PHP3 Source File
usr4.PL Perl Source File
usr4.PM Perl Module
usr4.RC C++ Resource Compiler Script
usr4./value/usr4 Server Side Includes/value/usr4 File
usr4.SQL SQL Database Query
usr4.STM Server Side Includes/value/usr4 File
usr4.VB Visual Basic .Net Source File
usr4.VBPROJ Visual Basic .Net Project File
usr4.VBS Visual Basic Script
usr4.XAML Extensible Application Markup Language
usr4.XML Extensible Markup Language
Types of Spreadsheets
usr4.123 IBM Lotus 1-2-3 Spreadsheet
usr4.DIF Data Interchange Format Document
usr4.ODS ODF Spreadsheet
usr4.PXL Pocket Excel Spreadsheet
usr4.SDC StarCalc Spreadsheet
usr4.SLK SYLK Spreadsheet
usr4.SXC OpenOffice.org 1.0 Spreadsheet
usr4.UOF Unified Office Format Spreadsheet
usr4.UOS Unified Office Format Spreadsheet
usr4.WB2 Quattro Pro Spreadsheet
usr4.WK1 Lotus 1-2-3 Spreadsheet
usr4.WKS Lotus 1-2-3 Spreadsheet
usr4.XLC Microsoft Excel Chart
usr4.XLS Microsoft Excel Spreadsheet
usr4.XLSB Microsoft Excel Binary Spreadsheet
usr4.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
usr4.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
usr4.3G2 3G Mobile Phone Video
usr4.3GP 3G Mobile Phone Video
usr4.ASF Advanced Systems Format Video
usr4.AVI Audio Video Interleave
usr4.BIK Bink Video
usr4.BIN Binary DVD Video
usr4.DAT VCD Video
usr4.DIVX DivX Movie
usr4.DV Digital Video
usr4.FLV Flash Video
usr4.GXF General eXchange Format
usr4.M1V MPEG-1 Video
usr4.M2TS MPEG-2 Transport Stream Videos
usr4.M2V MPEG-2 Video
usr4.M4V MPEG-4 Video File
usr4.MKV Matroska Video Stream
usr4.MOV Apple QuickTime Movie
usr4.MP4 MPEG-4 Part 14 Multimedia Container
usr4.MPEG MPEG Video
usr4.MPEG1 MPEG-1 Video
usr4.MPEG2 MPEG-2 Video
usr4.MPEG4 MPEG-4 Video
usr4.MPG MPEG Video
usr4.MTS AVCHD Video File
usr4.MXF Material eXchange Format
usr4.OGM Ogg Multimedia Container File
usr4.RM RealMedia Streaming Media File
usr4.RMVB RealMedia Variable Bitrate Media File
usr4.SWF Adobe Flash Movie
usr4.TS DVD Video
usr4.VOB DVD Video Object
usr4.WMV Windows Media Video
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