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Types of Assemblies
521.DLL Dynamic Link Library
521.EXE Windows Executable File
Types of Audio Files
521.A52 Dolby Digital AC-3 Compressed Audio File
521.AAC Advanced Audio Coding Compressed Audio File
521.AC3 Dolby Digital AC-3 Compressed Audio File
521.AIF Audio Interchange Format File
521.APE Monkey's Audio Compressed Audio File
521.AU Sun / NeXT Audio File
521.DTS Digital Theater Systems Audio File
521.FLAC Free Lossless Audio Codec Compressed Audio FIle
521.M4A MPEG-4 Audio File
521.M4P Protected AAC File
521.MID MIDI Audio Sequence
521.MKA Matroska Audio Stream
521.MOD MOD Audio File
521.MP1 MPEG-1 Audio Layer I
521.MP2 MPEG-1 Audio Layer II
521.MP3 MPEG-1 Audio Layer 3
521.OGG Ogg Multimedia Container File
521.OMA OpenMG Audio File
521.RA RealMedia Audio File
521.RAM RealMedia Audio File
521.SND Sun / NeXT Audio File
521.SPX Ogg Speex Audio File
521.WAV Waveform Audio
521.WMA Windows Media Audio File
521.WV WavPack Compressed Audio File
521.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
521.7Z 7-Zip Compressed Archive
521.ACE Ace Compressed Archive
521.ARJ Archived by Robert Jung Compressed Archive
521.BZ BZip Compressed Archive
521.BZ2 BZip2 Compressed Archive
521.CAB Cabinet Compressed Archive
521.CPIO CPIO Compressed Archive
521.GZ GNU Zip Compressed Archive
521.JAR Java Archive
521.LHA LHA Compressed Archive
521.LZH Lempel-Ziv and Haruyasu Compressed Archive
521.R00 WinRAR Archive Partial File
521.RAR WinRAR Compressed Archive
521.REV WinRAR Recovery Volume
521.TAR TAR Archive
521.TAZ TAR Compressed Archive
521.TBZ BZip Compressed Tar Archive
521.TBZ2 BZip2 Compressed Tar Archive
521.TGZ GZip Compressed Tar Archive
521.UU Uuencoded File
521.UUE Uuencoded File
521.XXE Compressed ASCII Archive
521.Z Unix Compressed Archive
521.ZIP Zip Compressed Archive
Types of Data Files
521.CSV Comma Separated Value Database
521.DAT Data File
521.DBF dBASE Database
521.ICL Icon Library
521.MNL MathML Data
521.NWP Magentic Content File
521.ODB ODF Database
521.ODF ODF Formula
521.PART Partially Downloaded File
521.SMF StarMath Data
521.SXM OpenOffice.org 1.0 Formula
521.TMP Temporary File
521.TXT Comma Separated Value Database
521.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
521.B5I B5I Disk Image
521.B5T B5T Disk Image
521.BIN Binary Disk Image
521.BWI BlinkWrite Disk Image
521.BWT BlinkWrite Disk Image
521.C2D C2D Disk Image
521.CCD CCD Disk Image
521.CD CD Disk Image
521.CDI CD Image File
521.CDR Raw CD Audio File
521.CIF CIF Disk Image
521.DAO DAO Disk Image
521.DI Raw CD Audio File
521.DMG Mac OS X Disk Image
521.DVD DVD Disk Image
521.FCD FCD Disk Image
521.FLP FLP Disk Image
521.GCD GCD Disk Image
521.GCM GameCube Image File
521.GI Global Disk Image
521.IBB IBB Disk Image
521.IBP IBP Disk Image
521.IBQ IsoBuster Disk Image
521.IMG Disk Image File
521.ISO ISO 9660 Disk Image
521.LST DVD Image List
521.MDF MDF Disk Image
521.MDS MDS CD/DVD Image
521.NRG Nero Disk Image
521.P01 P01 Disk Image
521.PDI InstantCopy Disc Image
521.PXI PXI Disk Image
521.TAO TAO Disk Image
521.UDI Universal Disk Image
521.VC4 VC4 Disk Image
521.VCD Farstone Virtual Drive
521.VDI Virtuo CD Manager Disk Image
Types of Documents
521.ABW AbiWord Document
521.CHM Compiled Help File
521.DJV DjVu Document
521.DJVU DjVu Document
521.DOC Corel WordPerfect Document
521.DOC Microsoft Word Document
521.DOCM Microsoft Word XML Document
521.DOCX Microsoft Open XML Word Document
521.GAN GanttProject File
521.HWP Hangul Word Processor Document
521.LOG Log File
521.ODM ODF Master Document
521.ODT ODF Text Document
521.OTH
521.PDB Palm AportisDoc Document
521.PDF Portable Document Format Document
521.PSW Pocket Word Document
521.RTF Rich Text Format Document
521.SDW StarWriter Document
521.SGL StarWriter Master Document
521.STW OpenOffice.org 1.0/value/521 Template
521.SXG OpenOffice.org 1.0 Master Document
521.SXW OpenOffice.org 1.0 Text Document
521.TXT Text Document
521.UOF Unified Office Format Document
521.UOT Unified Office Format Document
521.WPD WordPerfect Document
521.WPS Microsoft Works Document
521.XML DocBook Document
Types of Images
521.!S ZX Spectrum Hobetta Image
521.$C ZX Spectrum Hobetta Image
521.$S ZX Spectrum Hobetta Image
521.001 Ricoh Fax Image
521.001 SmartFax Image
521.16 LSS16 Image
521.2BP Pocket PC Bitmap Image
521.2D Amapi Image
521.301 Brooktrout 301 Image
521.3FR Hasselblad 3F RAW Image
521.411 Mavica Image
521.4BIT GoDot Image
521.4BT GoDot Image
521.73I TI Bitmap Image
521.82I TI Bitmap Image
521.83I TI Bitmap Image
521.85I TI Bitmap Image
521.86I TI Bitmap Image
521.89I TI Bitmap Image
521.92I TI Bitmap Image
521.A64 Artist 64 Image
521.ABS Optocat Image
521.ACE Aces200 Image
521.ACR Dicom Image
521.AFX Auto F/X Image
521.ALIAS Alias Image File
521.ALS Alias Image File
521.AMI Amica Paint Image
521.ANI Animated Mouse Cursor Image
521.ANI Windows Animated Cursor
521.ANV AirNav Image
521.APX Photopaint Image
521.ARF ARF Image
521.ARN Astronomical Research Network Image
521.ART Art Director Image
521.ART Artisan Image
521.ART Advanced Art Studio Image
521.ART Pfs Art Publisher Image
521.ATK Andrew Toolkit raster object Image
521.ATT AT&T Group 4 Image
521.AVS Stardent AVS X Image
521.B&W ImageLab Image
521.B16 PCO Image
521.B3D B3D (images) Image
521.BFL BFLI Image
521.BFLI BFLI Image
521.BFX Bfx Bitware Image
521.BGA OS/2 Bitmap Image
521.BIE JBIG Image
521.BIF byLight Image
521.BIG Cartes Michelin Image
521.BLD MegaPaint Image
521.BLK Amiga IFF Image
521.BM X11 Bitmap Image
521.BMC Embroidery Image
521.BMF BMF Image
521.BMP Windows Bitmap Image
521.BMP Alpha Microsystems BMP Image
521.BMS Playback Bitmap Sequence Image
521.BOB Bob Raytracer Image
521.BPX Truevision Targa Image
521.BRK Brooktrout 301 Image
521.BRT Brooktrout 301 Image
521.BS Printfox/Pagefox Image
521.BTN JustButtons animated bitmap Image
521.BUM Poser Bump Image
521.BW Silicon Graphics RGB Image
521.B_W ImageLab Image
521.C4 Edmics Image
521.CAL CALS Raster Image
521.CALS CALS Raster Image
521.CAM Casio QV-10/100 Camera Image
521.CAN Canon Navigator Fax Image
521.CAR NeoBook Cartoon Image
521.CAT Photomatrix Image
521.CBM Fuzzy bitmap Image
521.CDR Corel Draw Bitmap (preview) Image
521.CDU CDU Paint Image
521.CE Computer Eyes, Digital Vision Image
521.CE1 ComputerEyes Raw Image
521.CE2 ComputerEyes Raw Image
521.CEL Kiss Cel Image
521.CFT Optigraphics Image
521.CIN Kodak Cineon Image
521.CIT Intergraph Format Image
521.CLO Cloe Ray-Tracer Image
521.CLOE Cloe Ray-Tracer Image
521.CLP Windows Clipboard Image
521.CLP PC Paint / Pictor Page Image
521.CLP GoDot Image
521.CMP Discorp CMP Image
521.CMT Chinon ES-1000 digital camera Image
521.CMU CMU Window Manager Image
521.CMX Corel Metafile Exchange (preview) Image
521.CP8 CP8 256 Gray Scale Image
521.CPI Calamus Image
521.CPT CorelDraw Photopaint Image
521.CR2 Raw Image File
521.CRG Calamus Image
521.CRW Raw Image File
521.CT Iris CT Image
521.CUR Mouse Cursor Image
521.CURSOR Sun Icon/Cursor
521.CUT Dr Halo Image
521.CVP Portrait Image
521.DAT SPOT Image
521.DCM Dicom Image
521.DCR Raw Image File
521.DCX Multipage PCX Image
521.DCX Zsoft Multi-page Paintbrush Image
521.DCX Zsoft Publisher's Paintbrush Image
521.DD Doodle C64 Image
521.DDS Microsoft DirectDraw Surface
521.DIA Dia UML Diagram
521.DIB Windows Bitmap Image
521.DIS DKB Ray-Tracer Image
521.DNG Raw Image File
521.DOO Doodle Atari Image
521.DPX DPX Image
521.DRZ Draz Paint Image
521.DWF AutoCAD Drawing
521.DWG AutoCAD Drawing
521.DXF AutoCAD Drawing eXchange Format Drawing
521.DXF AutoCAD Drawing
521.ECC Ecchi Image
521.EI Electric Image
521.EIDI Electric Image
521.EIF Eroiica Image
521.EMF Enhanced Metafile Format Image
521.EPA Award Bios Logo
521.EPS Encapsulated PostScript Image
521.ESM Enhance Simplex Image
521.FAC Usenix FaceServer Image
521.FACE Usenix FaceServer Image
521.FAX Fax Group 3 Image
521.FBM Fuzzy bitmap Image
521.FFF Maggi Hairstyles & Cosmetics Image
521.FI Flash Image
521.FIG XFig Drawing
521.FIT FIT Image
521.FITS Flexible Image Transport System Image
521.FLC Autodesk Animator Image
521.FLI Autodesk Animator Image
521.FPG DIV Game Studio Multi Map Image
521.FRE Male Normal CT Image
521.FRM Megalux Frame
521.FRM PhotoFrame
521.FSH EA Sports FSH Image
521.FSY PhotoFantasy Image
521.FTS Flexible Image Transport System Image
521.FXO WinFAX Image
521.FXS WinFAX Image
521.G3 Fax Group 3 Image
521.G3N Imaging Fax Image
521.G4 Access Image
521.GAF Total Annihilation Image
521.GB Printfox/Pagefox Image
521.GBR Gimp Brush Image
521.GEM Digital Research (GEM Paint) Image
521.GEO GeoPaint Image
521.GG Koala Paint (Compressed) Image
521.GIF Graphics Interchange Format Image
521.GIFF CompuServe GIF Image
521.GM Autologic Image
521.GM2 Autologic Image
521.GM4 Autologic Image
521.GRB HP-48/49 GROB Image
521.GREY Raw Image
521.GRO HP-48/49 GROB Image
521.GRY Raw Image
521.HDR Apollo HDRU Image
521.HDR ArcInfo Binary Image
521.HDRU Apollo HDRU Image
521.HED Hi-Eddi Image
521.HF HF Image
521.HIR Hires C64 Image
521.HPGL HP Graphics Language Image
521.HPI Hemera Photo Image
521.HR TRS 80 Image
521.HRU HRU Image
521.HRZ Slow Scan Television Image
521.HTA Hemera Thumbs Image
521.I17 Pixel Power Collage Image
521.I18 Pixel Power Collage Image
521.IB7 Pixel Power Collage Image
521.ICA IOCA Image
521.ICB Image Capture Board Image
521.ICN RIPTerm Image
521.ICNS Macintosh Icon File
521.ICO Windows Icon File
521.ICO Sun Icon/Cursor
521.ICON Sun Icon/Cursor
521.IDC Core IDC Image
521.IF9 Pixel Power Collage Image
521.IFF Explore (TDI) & Maya Image
521.IFF Sun TAAC Image
521.IFF Amiga IFF Image
521.IIM Inshape Image
521.IIMG Interleaf Image
521.ILBM Deluxe Paint, Electronic Arts Image
521.IM AIM Grey Scale Image
521.IM5 IM5 (Visilog) Image
521.IMA AIM Grey Scale Image
521.IMG ADEX Image
521.IMG Digital Research (GEM Paint) Image
521.IMG Imaging Technology Image
521.IMG Img Software Set Image
521.IMG Microtek Eyestar Image
521.IMG Planetary Data System Image
521.IMG Radiance Image
521.IMG Sharp GPB Image
521.IMG Starbase Image
521.IMG Vivid Ray-Tracer Image
521.IMG Autocad CAD-Camera Image
521.IMG Datacopy Image
521.IMG Vicar Image
521.IMT IMNET Image
521.INFO Amiga icon
521.IOCA IOCA Image
521.IPG Mindjongg Format Image
521.IPH InterPaint (Hires) Image
521.IPT InterPaint (Multicolor) Image
521.IRIS Iris graphic Image
521.IRIS Silicon Graphics RGB Image
521.ISH Image Speeder Image
521.ISM Image System (Multicolor) Image
521.ISS ISS Image
521.ITG Intergraph Format Image
521.IVB Truevision Targa Image
521.J JPEG / JFIF Image
521.J2K LuraWave JPEG-2000 Format Image
521.J6I Ricoh Digital Camera Image
521.JBF PaintShopPro Browser Cache File
521.JBG JBIG Image
521.JBIG JBIG Image
521.JFIF Joint Photographic Experts Group Image
521.JIF Joint Photographic Experts Group Image
521.JIF Jeff's Image Format Image
521.JJ Doodle C64 (Compressed) Image
521.JLS JPEG-LS Image
521.JNG Jpeg Network Graphics Image
521.JP2 LuraWave JPEG-2000 Format Image
521.JPC LuraWave JPEG-2000 Code Stream Image
521.JPE Joint Photographic Experts Group Image
521.JPEG Joint Photographic Experts Group Image
521.JPG Joint Photographic Experts Group Image
521.JPS Stereo Image
521.JPX LuraWave JPEG-2000 Format Image
521.JTF Hayes JTFax Image
521.K25 Kodak DC25 Camera Image
521.KDC Raw Image File
521.KFX Kofax Group 4 Image
521.KOA Koala Paint Image
521.KPS IBM Kips Image
521.KQP Konica Camera File
521.LBM Deluxe Paint, Electronic Arts Image
521.LDA LaserData Image
521.LFF LucasFilm Format Image
521.LIF Homeworld Texture
521.LVP LView Pro Image
521.LWI Light Work Image
521.M8 Heretic II MipMap Image
521.MAC Mac Paint Image
521.MACP Mac Paint Image
521.MAG MAGIchan Graphics Image
521.MAP DIV Game Studio Map Image
521.MAP Fenix Map Image
521.MBFAVS Stardent AVS X Image
521.MBFS Stardent AVS X Image
521.MBM Psion Serie 5 Bitmap Image
521.MDI Microsoft Document Imaging Image
521.MDL Half-Life Model Image
521.MGR MGR bitmap Image
521.MIF Image Magick file
521.MIFF Image Magick file
521.MIL Micro Illustrator Uncompressed Image
521.MNG Multiple Network Graphics Image
521.MPNT Mac Paint Image
521.MRF Marks Russel File
521.MRW Minolta Raw Image File
521.MSK PaintShopPro Mask
521.MSP Microsoft Paint Image
521.MTV MTV Ray-Tracer Image
521.MTX Maw-Ware Textures Image
521.NCD CoverDesigner Image
521.NCR NCR Image
521.NCT CoverDesigner Template
521.NEF Raw Image File
521.NEO Neochrome (ST & TT) Image
521.NGG Nokia Group Graphics Image
521.NITF National Imagery Transmission Image
521.NLM Nokia Logo File
521.NOL Nokia Operator Logo
521.NPM Neopaint Mask
521.OAZ OAZ Fax Image
521.OCP Advanced Art Studio Image
521.OFX Olicom Fax Image
521.OIL Open Image Library Format Image
521.ORF Raw Image File
521.OTB Nokia OTA Image
521.P64 Picasso 64 Image
521.P7 XV Visual Schnauzer Image
521.PAC Stad Image
521.PAINT Mac Paint Image
521.PAN SmoothMove Pan Viewer Image
521.PAT Gimp Pattern
521.PAT Corel Draw Pattern (preview) Image
521.PBM Portable Bitmap Image
521.PBM Portable Bitmap Image
521.PBT Micro Dynamics MARS Image
521.PC1 Degas & Degas Elite Image
521.PC2 Degas & Degas Elite Image
521.PC3 Degas & Degas Elite Image
521.PCC Zsoft Publisher's Paintbrush Image
521.PCD Kodak Photo CD Image
521.PCL Page Control Language Image
521.PCT Mac Pict Image
521.PCT NIST ihdr Image
521.PCX Zsoft Paintbrush Image
521.PD Male MRI Image
521.PDB MonkeyCard Image
521.PDB MonkeyLogo
521.PDB Palm Pilot Image
521.PDB Photo Deluxe Image
521.PDB TealPaint Image
521.PDD Photo Deluxe Image
521.PDN Paint.NET Image
521.PDS Planetary Data System Image
521.PDX Mayura Draw Image
521.PE4 Ulead Texture
521.PEF Raw Image File
521.PFR PaintShopPro Frame
521.PG Printfox/Pagefox Image
521.PGC Portfolio Graphics Compressed Image
521.PGF Portfolio Graphics Image
521.PGM Portable Graymap Image
521.PHP Adobe PhotoParade Image
521.PI Blazing Paddles Image
521.PI1 Degas & Degas Elite Image
521.PI2 Degas & Degas Elite Image
521.PI3 Degas & Degas Elite Image
521.PI4 Degas & Degas Elite Image
521.PI5 Degas & Degas Elite Image
521.PI6 Degas & Degas Elite Image
521.PIC Macintosh Quickdraw/Pict Image
521.PIC PC Paint / Pictor Page Image
521.PIC Pixar Image
521.PIC Radiance Image
521.PIC Rayshade Image
521.PIC Advanced Art Studio Image
521.PIC Bio-Rad confocal Image
521.PIC Psion Serie 3 Bitmap Image
521.PIC Softimage
521.PIC Stad Image
521.PIC WinMIPS Image
521.PICIO Pixar Image
521.PICT Macintosh Quickdraw/Pict Image
521.PICT2 Macintosh Quickdraw/Pict Image
521.PIG Ricoh IS30 Image
521.PIX Alias Image File
521.PIX Truevision Targa Image
521.PIX Vort Image
521.PIX ESM Software Pix Image
521.PIX PABX Image
521.PIXAR Pixar Image
521.PLT HP Graphics Language Image
521.PM X11 Pixmap Image
521.PM PM Image
521.PMG Paint Magic Image
521.PMP Sony DSC-F1 Cyber-shot Image
521.PNG Portable Network Graphic Image
521.PNM Portable Image
521.PNT Mac Paint Image
521.PNTG Mac Paint Image
521.PP4 Micrografx Picture Publisher 4.0 Image
521.PP5 Micrografx Picture Publisher 5.0 Image
521.PPM Portable Pixelmap Image
521.PPP Punk Productions Picture
521.PR Sun Icon/Cursor
521.PRC Picture Gear Pocket Image
521.PRF Polychrome Recursive Format Image
521.PRI Prisms Image
521.PSD Adobe Photoshop Image
521.PSE IBM Printer Page Segment Image
521.PSF PhotoStudio File
521.PSP PaintShopPro Image
521.PST Ulead Pattern
521.PWP Seattle Film Works multi-image
521.PXA Pixia Image
521.PXA Pegs Image
521.PXB Pixibox Image
521.PXR Pixar Image
521.PXS Pegs Image
521.PZL Puzzle Image
521.PZP MGI Photosuite Project Image
521.Q0 Q0 Image
521.QDV Qdv (Random Dot Software) Image
521.QRT Qrt Ray-Tracer Image
521.QTI QuickTime Image Format Image
521.QTIF QuickTime Image Format Image
521.QTL YUV 16Bits Image
521.QTL YUV 4:4:4 Image
521.QTL YUV 4:1:1 Image
521.QTL YUV 4:2:2 Image
521.RAD Radiance Image
521.RAF Raw Image File
521.RAS Sun Raster Image
521.RAST Sun Rasterfile
521.RAW Raw Image File
521.RGB Q0 Image
521.RGB Silicon Graphics RGB Image
521.RGBA Silicon Graphics RGB Image
521.RGH ZZ Rough Image
521.RIX ColoRIX Image
521.RL4 Windows Bitmap Image
521.RL8 Windows Bitmap Image
521.RLA Wavefront Raster Image
521.RLB Wavefront Raster Image
521.RLC Image Systems RLC2 Graphic Image
521.RLE ADEX Image
521.RLE Intergraph Format Image
521.RLE Utah raster Image
521.RLE Windows Bitmap Image
521.RP Rainbow Painter Image
521.RPBM Portable Bitmap Image
521.RPGM Portable Greyscale Image
521.RPM RunPaint (Multicolor) Image
521.RPNM Portable Image
521.RPPM Portable Image
521.RS Sun Rasterfile
521.RSB Red Storm Image
521.SAR Saracen Paint Image
521.SC2 Msx 2 Screen Image
521.SCI SciFax Image
521.SCI ColoRIX Image
521.SCR Sun Rasterfile
521.SCR ZX Spectrum Standard Screen Image
521.SCT SciTex Continuous Tone Image
521.SCX ColoRIX Image
521.SD0 Dali Raw Image
521.SD1 Dali Raw Image
521.SD2 Dali Raw Image
521.SDG Star Office Gallery Image
521.SDT SmartDraw 6 Template
521.SEQ Stad Image
521.SFW Seattle Film Works Image
521.SGF StarWriter Graphics Format Image
521.SGI Silicon Graphics RGB Image
521.SGV StarDraw Image
521.SI Softimage
521.SIM Aurora Image
521.SIR BYU SIR Image
521.SIR Solitaire Image Recorder Image
521.SJ1 Sega SJ-1 DIGIO Image
521.SKF Autodesk SKETCH thumbnail Image
521.SKN Skantek Image
521.SKP Autodesk SketchUp component Image
521.SMP Xionics SMP Image
521.SNA ZX Spectrum Snapshot Image
521.SPC Spectrum 512 (Compressed) Image
521.SPS Spectrum 512 (Smooshed) Image
521.SPU Spectrum 512 Image
521.SR Sun Rasterfile
521.SR2 Sony Raw Image File
521.SRF Sony Raw Image File
521.SSI SriSun Image
521.SSP Axialis Screensaver Image
521.ST4 SBIG CCD camera ST-X Image
521.ST4 SBIG CCD camera ST-4 Image
521.ST5 SBIG CCD camera ST-X Image
521.ST6 SBIG CCD camera ST-X Image
521.ST7 SBIG CCD camera ST-X Image
521.ST8 SBIG CCD camera ST-X Image
521.STM PhotoStudio Stamp Image
521.STW Neopaint Stamp Image
521.STX SBIG CCD camera ST-X Image
521.SUL Gfa Raytrace Image
521.SUN Sun Rasterfile
521.SUNIFF Sun TAAC Image
521.SVG Scalable Vector Graphics Image
521.SVGZ GZip Compressed Scalable Vector Graphics Image
521.SYN Synthetic Universe Image
521.SYNU Synthetic Universe Image
521.T1 Male MRI Image
521.T2 Male MRI Image
521.TAAC Sun TAAC Image
521.TAP Oric TAP Image
521.TARGA Truevision Targa Image
521.TDI Explore (TDI) & Maya Image
521.TDIM Digital F/X Image
521.TEX PaintShopPro Texture
521.TG4 TG4 Image
521.TGA Truevision Targa Image
521.THB KinuPix Skin Image
521.TIF Tagged Image File Format Image
521.TIFF Tagged Image File Format Image
521.TIL Buttonz & Tilez texture
521.TILE Eclipse Image
521.TIM Sony Playstation TIM Image
521.TIM TIFF Revision 6 Image
521.TN1 Tiny Image
521.TN2 Tiny Image
521.TN3 Tiny Image
521.TNL Thumbnail Image
521.TNY Tiny Image
521.TTF Optigraphics Tiled Image
521.TUB PaintShopPro Picture Tube Image
521.UPI Ulead PhotoImpact Image
521.URT Utah raster Image
521.UYVY YUV 16Bits Image
521.VDA Video Display Adapter Image
521.VFF Sun TAAC Image
521.VGA Windows Bitmap Image
521.VI Jovian VI Image
521.VIC Vicar Image
521.VICAR Vicar Image
521.VID Vidcom 64 Image
521.VIF Khoros Visualization Image file
521.VIF Verity Image
521.VIFF Khoros Visualization Image file
521.VIT VITec Image
521.VOB Vue d'esprit Image
521.VPB Quantel VPB Image
521.VST Vista Image
521.WAD WAD (Half Life) Image
521.WAL Quake Texture
521.WAP Wireless Bitmap Image
521.WBC WebShots Image
521.WBM Wireless Bitmap Image
521.WBMP Wireless Bitmap Image
521.WBZ WebShots Image
521.WFX WinFAX Image
521.WPG WordPerfect Graphics Image
521.WRL VRML2 Image
521.X Stardent AVS X Image
521.X11 X Windows System Dump Image
521.X3F Raw Image File
521.XAR Xara Image
521.XBM X Bitmap Image
521.XCF Gimp Bitmap Image
521.XIF Xerox DIFF Image
521.XIM Ximage
521.XP0 SecretPhotos Puzzle Image
521.XPM X PixMap Image
521.XV Khoros Visualization Image file
521.XWD X Windows System Dump Image
521.YUV YUV 16Bits Image
521.YUV YUV 4:1:1 Image
521.YUV YUV 4:2:2 Image
521.YUV YUV 4:4:4 Image
521.ZBR Zoner Zebra Metafile
521.ZMF Zoner Callisto Metafile
521.[B] Amica Paint Image
Types of Metadata Files
521.ABT AbiWord Template
521.ASA ASP Configuration File
521.ASX Advanced Stream Redirector
521.B4S Winamp 3+ Playlist
521.BTSEARCH BitTorrent Search File
521.BUP DVD Information File
521.CGM Computer Graphics Metafile
521.CKZ CKZ Checksum File
521.CODE eXtensible Stylesheet Language Transformation File
521.CONFIG Configuration File
521.CRC Cyclic Redundancy Check Checksum File
521.CUE Cue Sheet
521.DOT Microsoft Word Template
521.DOTM Microsoft Word XML Template
521.DOTX Microsoft Open XML Word Template
521.EMF Enhanced Metafile
521.IFO DVD Information File
521.INI Initialization File
521.M3U MP3 Uniform Resource Locator
521.MANIFEST Windows Assembly Manifest File
521.MD5 MD5 Checksum File
521.MET OS/2 Metafile
521.MP TeX Metapost Macro
521.NFO Downloaded Program Information
521.OTP ODF Presentation Template
521.OTS ODF Spreadsheet Template
521.OTT ODF Text Document Template
521.PAR Parity Checksum File
521.PLS Playlist
521.POT Microsoft PowerPoint Template
521.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
521.POTX Microsoft Open XML PowerPoint Template
521.SFV SFV Checksum File
521.SHAPE Dia Shape File
521.SRT DVD Subtitles File
521.STC OpenOffice.org 1.0 Spreadsheet Template
521.STI OpenOffice.org 1.0 Presentation Template
521.STW OpenOffice.org 1.0 Text Document Template
521.SVM StarView MetaFile
521.TEX TeX PSTricks Macro
521.TORRENT BitTorrent Tracker File
521.VLC VLC Media Player Data
521.VOR StarWriter Template
521.VOR StarCalc Template
521.VOR StarImpress Template
521.WMF Windows Metafile
521.XLM Microsoft Excel Macro
521.XLT Microsoft Excel Template
521.XLTM Microsoft Excel XML Template
521.XLTX Microsoft Excel XML Template
521.XLW Microsoft Excel Workspace
521.XSPF XML Shareable Playlist Format
Types of Plugins
521.XPI Firefox Plugin
Types of Presentations
521.ODG ODF Drawing Presentation
521.ODP ODF Presentation
521.PPS Microsoft PowerPoint Show
521.PPSX Microsoft Open XML PowerPoint Show
521.PPT Microsoft PowerPoint Presentation
521.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
521.PPTX Microsoft Open XML PowerPoint Presentation
521.SDA StarDraw Drawing
521.SDD StarDraw Drawing
521.SDD StarImpress Presentation
521.SXD Microsoft OpenOffice.org 1.0 Drawing
521.SXI OpenOffice.org 1.0 Presentation
521.UOF Unified Office Format Presentation
521.UOP Unified Office Format Presentation
Types of Shell Scripts
521.AU3 AutoIt Script
521.BAT Windows Batch File
521.BSH Bash Shell Script
521.SH Unix Shell Script
Types of Source Code
521.ASAX ASP.Net Open XML Configuration File
521.ASP Active Server Page Source File
521.ASPX ASP.Net Open XML Source File
521.C C Source File
521.CGI Perl Source File
521.CPP C++ Source File
521.CS C# Source File
521.CSPROJ C# Project File
521.CSS Cascading Style Sheets Source File
521.CXX C++ Source File
521.H C Header File
521.HPP C++ Header File
521.HTA
521.HTM Hypertext Markup Language Source File
521/value/521 Hypertext Markup Language Source File
521.JAVA JAVA Source File
521.JS JavaScript Source File
521.JSP JavaServer Pages Source File
521.MHT
521./value/521
521.PHP PHP Source File
521.PHP3 PHP3 Source File
521.PL Perl Source File
521.PM Perl Module
521.RC C++ Resource Compiler Script
521./value/521 Server Side Includes/value/521 File
521.SQL SQL Database Query
521.STM Server Side Includes/value/521 File
521.VB Visual Basic .Net Source File
521.VBPROJ Visual Basic .Net Project File
521.VBS Visual Basic Script
521.XAML Extensible Application Markup Language
521.XML Extensible Markup Language
Types of Spreadsheets
521.123 IBM Lotus 1-2-3 Spreadsheet
521.DIF Data Interchange Format Document
521.ODS ODF Spreadsheet
521.PXL Pocket Excel Spreadsheet
521.SDC StarCalc Spreadsheet
521.SLK SYLK Spreadsheet
521.SXC OpenOffice.org 1.0 Spreadsheet
521.UOF Unified Office Format Spreadsheet
521.UOS Unified Office Format Spreadsheet
521.WB2 Quattro Pro Spreadsheet
521.WK1 Lotus 1-2-3 Spreadsheet
521.WKS Lotus 1-2-3 Spreadsheet
521.XLC Microsoft Excel Chart
521.XLS Microsoft Excel Spreadsheet
521.XLSB Microsoft Excel Binary Spreadsheet
521.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
521.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
521.3G2 3G Mobile Phone Video
521.3GP 3G Mobile Phone Video
521.ASF Advanced Systems Format Video
521.AVI Audio Video Interleave
521.BIK Bink Video
521.BIN Binary DVD Video
521.DAT VCD Video
521.DIVX DivX Movie
521.DV Digital Video
521.FLV Flash Video
521.GXF General eXchange Format
521.M1V MPEG-1 Video
521.M2TS MPEG-2 Transport Stream Videos
521.M2V MPEG-2 Video
521.M4V MPEG-4 Video File
521.MKV Matroska Video Stream
521.MOV Apple QuickTime Movie
521.MP4 MPEG-4 Part 14 Multimedia Container
521.MPEG MPEG Video
521.MPEG1 MPEG-1 Video
521.MPEG2 MPEG-2 Video
521.MPEG4 MPEG-4 Video
521.MPG MPEG Video
521.MTS AVCHD Video File
521.MXF Material eXchange Format
521.OGM Ogg Multimedia Container File
521.RM RealMedia Streaming Media File
521.RMVB RealMedia Variable Bitrate Media File
521.SWF Adobe Flash Movie
521.TS DVD Video
521.VOB DVD Video Object
521.WMV Windows Media Video
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