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Types of Assemblies
at4.DLL Dynamic Link Library
at4.EXE Windows Executable File
Types of Audio Files
at4.A52 Dolby Digital AC-3 Compressed Audio File
at4.AAC Advanced Audio Coding Compressed Audio File
at4.AC3 Dolby Digital AC-3 Compressed Audio File
at4.AIF Audio Interchange Format File
at4.APE Monkey's Audio Compressed Audio File
at4.AU Sun / NeXT Audio File
at4.DTS Digital Theater Systems Audio File
at4.FLAC Free Lossless Audio Codec Compressed Audio FIle
at4.M4A MPEG-4 Audio File
at4.M4P Protected AAC File
at4.MID MIDI Audio Sequence
at4.MKA Matroska Audio Stream
at4.MOD MOD Audio File
at4.MP1 MPEG-1 Audio Layer I
at4.MP2 MPEG-1 Audio Layer II
at4.MP3 MPEG-1 Audio Layer 3
at4.OGG Ogg Multimedia Container File
at4.OMA OpenMG Audio File
at4.RA RealMedia Audio File
at4.RAM RealMedia Audio File
at4.SND Sun / NeXT Audio File
at4.SPX Ogg Speex Audio File
at4.WAV Waveform Audio
at4.WMA Windows Media Audio File
at4.WV WavPack Compressed Audio File
at4.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
at4.7Z 7-Zip Compressed Archive
at4.ACE Ace Compressed Archive
at4.ARJ Archived by Robert Jung Compressed Archive
at4.BZ BZip Compressed Archive
at4.BZ2 BZip2 Compressed Archive
at4.CAB Cabinet Compressed Archive
at4.CPIO CPIO Compressed Archive
at4.GZ GNU Zip Compressed Archive
at4.JAR Java Archive
at4.LHA LHA Compressed Archive
at4.LZH Lempel-Ziv and Haruyasu Compressed Archive
at4.R00 WinRAR Archive Partial File
at4.RAR WinRAR Compressed Archive
at4.REV WinRAR Recovery Volume
at4.TAR TAR Archive
at4.TAZ TAR Compressed Archive
at4.TBZ BZip Compressed Tar Archive
at4.TBZ2 BZip2 Compressed Tar Archive
at4.TGZ GZip Compressed Tar Archive
at4.UU Uuencoded File
at4.UUE Uuencoded File
at4.XXE Compressed ASCII Archive
at4.Z Unix Compressed Archive
at4.ZIP Zip Compressed Archive
Types of Data Files
at4.CSV Comma Separated Value Database
at4.DAT Data File
at4.DBF dBASE Database
at4.ICL Icon Library
at4.MNL MathML Data
at4.NWP Magentic Content File
at4.ODB ODF Database
at4.ODF ODF Formula
at4.PART Partially Downloaded File
at4.SMF StarMath Data
at4.SXM OpenOffice.org 1.0 Formula
at4.TMP Temporary File
at4.TXT Comma Separated Value Database
at4.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
at4.B5I B5I Disk Image
at4.B5T B5T Disk Image
at4.BIN Binary Disk Image
at4.BWI BlinkWrite Disk Image
at4.BWT BlinkWrite Disk Image
at4.C2D C2D Disk Image
at4.CCD CCD Disk Image
at4.CD CD Disk Image
at4.CDI CD Image File
at4.CDR Raw CD Audio File
at4.CIF CIF Disk Image
at4.DAO DAO Disk Image
at4.DI Raw CD Audio File
at4.DMG Mac OS X Disk Image
at4.DVD DVD Disk Image
at4.FCD FCD Disk Image
at4.FLP FLP Disk Image
at4.GCD GCD Disk Image
at4.GCM GameCube Image File
at4.GI Global Disk Image
at4.IBB IBB Disk Image
at4.IBP IBP Disk Image
at4.IBQ IsoBuster Disk Image
at4.IMG Disk Image File
at4.ISO ISO 9660 Disk Image
at4.LST DVD Image List
at4.MDF MDF Disk Image
at4.MDS MDS CD/DVD Image
at4.NRG Nero Disk Image
at4.P01 P01 Disk Image
at4.PDI InstantCopy Disc Image
at4.PXI PXI Disk Image
at4.TAO TAO Disk Image
at4.UDI Universal Disk Image
at4.VC4 VC4 Disk Image
at4.VCD Farstone Virtual Drive
at4.VDI Virtuo CD Manager Disk Image
Types of Documents
at4.ABW AbiWord Document
at4.CHM Compiled Help File
at4.DJV DjVu Document
at4.DJVU DjVu Document
at4.DOC Corel WordPerfect Document
at4.DOC Microsoft Word Document
at4.DOCM Microsoft Word XML Document
at4.DOCX Microsoft Open XML Word Document
at4.GAN GanttProject File
at4.HWP Hangul Word Processor Document
at4.LOG Log File
at4.ODM ODF Master Document
at4.ODT ODF Text Document
at4.OTH
at4.PDB Palm AportisDoc Document
at4.PDF Portable Document Format Document
at4.PSW Pocket Word Document
at4.RTF Rich Text Format Document
at4.SDW StarWriter Document
at4.SGL StarWriter Master Document
at4.STW OpenOffice.org 1.0/value/at4 Template
at4.SXG OpenOffice.org 1.0 Master Document
at4.SXW OpenOffice.org 1.0 Text Document
at4.TXT Text Document
at4.UOF Unified Office Format Document
at4.UOT Unified Office Format Document
at4.WPD WordPerfect Document
at4.WPS Microsoft Works Document
at4.XML DocBook Document
Types of Images
at4.!S ZX Spectrum Hobetta Image
at4.$C ZX Spectrum Hobetta Image
at4.$S ZX Spectrum Hobetta Image
at4.001 Ricoh Fax Image
at4.001 SmartFax Image
at4.16 LSS16 Image
at4.2BP Pocket PC Bitmap Image
at4.2D Amapi Image
at4.301 Brooktrout 301 Image
at4.3FR Hasselblad 3F RAW Image
at4.411 Mavica Image
at4.4BIT GoDot Image
at4.4BT GoDot Image
at4.73I TI Bitmap Image
at4.82I TI Bitmap Image
at4.83I TI Bitmap Image
at4.85I TI Bitmap Image
at4.86I TI Bitmap Image
at4.89I TI Bitmap Image
at4.92I TI Bitmap Image
at4.A64 Artist 64 Image
at4.ABS Optocat Image
at4.ACE Aces200 Image
at4.ACR Dicom Image
at4.AFX Auto F/X Image
at4.ALIAS Alias Image File
at4.ALS Alias Image File
at4.AMI Amica Paint Image
at4.ANI Animated Mouse Cursor Image
at4.ANI Windows Animated Cursor
at4.ANV AirNav Image
at4.APX Photopaint Image
at4.ARF ARF Image
at4.ARN Astronomical Research Network Image
at4.ART Art Director Image
at4.ART Artisan Image
at4.ART Advanced Art Studio Image
at4.ART Pfs Art Publisher Image
at4.ATK Andrew Toolkit raster object Image
at4.ATT AT&T Group 4 Image
at4.AVS Stardent AVS X Image
at4.B&W ImageLab Image
at4.B16 PCO Image
at4.B3D B3D (images) Image
at4.BFL BFLI Image
at4.BFLI BFLI Image
at4.BFX Bfx Bitware Image
at4.BGA OS/2 Bitmap Image
at4.BIE JBIG Image
at4.BIF byLight Image
at4.BIG Cartes Michelin Image
at4.BLD MegaPaint Image
at4.BLK Amiga IFF Image
at4.BM X11 Bitmap Image
at4.BMC Embroidery Image
at4.BMF BMF Image
at4.BMP Windows Bitmap Image
at4.BMP Alpha Microsystems BMP Image
at4.BMS Playback Bitmap Sequence Image
at4.BOB Bob Raytracer Image
at4.BPX Truevision Targa Image
at4.BRK Brooktrout 301 Image
at4.BRT Brooktrout 301 Image
at4.BS Printfox/Pagefox Image
at4.BTN JustButtons animated bitmap Image
at4.BUM Poser Bump Image
at4.BW Silicon Graphics RGB Image
at4.B_W ImageLab Image
at4.C4 Edmics Image
at4.CAL CALS Raster Image
at4.CALS CALS Raster Image
at4.CAM Casio QV-10/100 Camera Image
at4.CAN Canon Navigator Fax Image
at4.CAR NeoBook Cartoon Image
at4.CAT Photomatrix Image
at4.CBM Fuzzy bitmap Image
at4.CDR Corel Draw Bitmap (preview) Image
at4.CDU CDU Paint Image
at4.CE Computer Eyes, Digital Vision Image
at4.CE1 ComputerEyes Raw Image
at4.CE2 ComputerEyes Raw Image
at4.CEL Kiss Cel Image
at4.CFT Optigraphics Image
at4.CIN Kodak Cineon Image
at4.CIT Intergraph Format Image
at4.CLO Cloe Ray-Tracer Image
at4.CLOE Cloe Ray-Tracer Image
at4.CLP Windows Clipboard Image
at4.CLP PC Paint / Pictor Page Image
at4.CLP GoDot Image
at4.CMP Discorp CMP Image
at4.CMT Chinon ES-1000 digital camera Image
at4.CMU CMU Window Manager Image
at4.CMX Corel Metafile Exchange (preview) Image
at4.CP8 CP8 256 Gray Scale Image
at4.CPI Calamus Image
at4.CPT CorelDraw Photopaint Image
at4.CR2 Raw Image File
at4.CRG Calamus Image
at4.CRW Raw Image File
at4.CT Iris CT Image
at4.CUR Mouse Cursor Image
at4.CURSOR Sun Icon/Cursor
at4.CUT Dr Halo Image
at4.CVP Portrait Image
at4.DAT SPOT Image
at4.DCM Dicom Image
at4.DCR Raw Image File
at4.DCX Multipage PCX Image
at4.DCX Zsoft Multi-page Paintbrush Image
at4.DCX Zsoft Publisher's Paintbrush Image
at4.DD Doodle C64 Image
at4.DDS Microsoft DirectDraw Surface
at4.DIA Dia UML Diagram
at4.DIB Windows Bitmap Image
at4.DIS DKB Ray-Tracer Image
at4.DNG Raw Image File
at4.DOO Doodle Atari Image
at4.DPX DPX Image
at4.DRZ Draz Paint Image
at4.DWF AutoCAD Drawing
at4.DWG AutoCAD Drawing
at4.DXF AutoCAD Drawing eXchange Format Drawing
at4.DXF AutoCAD Drawing
at4.ECC Ecchi Image
at4.EI Electric Image
at4.EIDI Electric Image
at4.EIF Eroiica Image
at4.EMF Enhanced Metafile Format Image
at4.EPA Award Bios Logo
at4.EPS Encapsulated PostScript Image
at4.ESM Enhance Simplex Image
at4.FAC Usenix FaceServer Image
at4.FACE Usenix FaceServer Image
at4.FAX Fax Group 3 Image
at4.FBM Fuzzy bitmap Image
at4.FFF Maggi Hairstyles & Cosmetics Image
at4.FI Flash Image
at4.FIG XFig Drawing
at4.FIT FIT Image
at4.FITS Flexible Image Transport System Image
at4.FLC Autodesk Animator Image
at4.FLI Autodesk Animator Image
at4.FPG DIV Game Studio Multi Map Image
at4.FRE Male Normal CT Image
at4.FRM Megalux Frame
at4.FRM PhotoFrame
at4.FSH EA Sports FSH Image
at4.FSY PhotoFantasy Image
at4.FTS Flexible Image Transport System Image
at4.FXO WinFAX Image
at4.FXS WinFAX Image
at4.G3 Fax Group 3 Image
at4.G3N Imaging Fax Image
at4.G4 Access Image
at4.GAF Total Annihilation Image
at4.GB Printfox/Pagefox Image
at4.GBR Gimp Brush Image
at4.GEM Digital Research (GEM Paint) Image
at4.GEO GeoPaint Image
at4.GG Koala Paint (Compressed) Image
at4.GIF Graphics Interchange Format Image
at4.GIFF CompuServe GIF Image
at4.GM Autologic Image
at4.GM2 Autologic Image
at4.GM4 Autologic Image
at4.GRB HP-48/49 GROB Image
at4.GREY Raw Image
at4.GRO HP-48/49 GROB Image
at4.GRY Raw Image
at4.HDR Apollo HDRU Image
at4.HDR ArcInfo Binary Image
at4.HDRU Apollo HDRU Image
at4.HED Hi-Eddi Image
at4.HF HF Image
at4.HIR Hires C64 Image
at4.HPGL HP Graphics Language Image
at4.HPI Hemera Photo Image
at4.HR TRS 80 Image
at4.HRU HRU Image
at4.HRZ Slow Scan Television Image
at4.HTA Hemera Thumbs Image
at4.I17 Pixel Power Collage Image
at4.I18 Pixel Power Collage Image
at4.IB7 Pixel Power Collage Image
at4.ICA IOCA Image
at4.ICB Image Capture Board Image
at4.ICN RIPTerm Image
at4.ICNS Macintosh Icon File
at4.ICO Windows Icon File
at4.ICO Sun Icon/Cursor
at4.ICON Sun Icon/Cursor
at4.IDC Core IDC Image
at4.IF9 Pixel Power Collage Image
at4.IFF Explore (TDI) & Maya Image
at4.IFF Sun TAAC Image
at4.IFF Amiga IFF Image
at4.IIM Inshape Image
at4.IIMG Interleaf Image
at4.ILBM Deluxe Paint, Electronic Arts Image
at4.IM AIM Grey Scale Image
at4.IM5 IM5 (Visilog) Image
at4.IMA AIM Grey Scale Image
at4.IMG ADEX Image
at4.IMG Digital Research (GEM Paint) Image
at4.IMG Imaging Technology Image
at4.IMG Img Software Set Image
at4.IMG Microtek Eyestar Image
at4.IMG Planetary Data System Image
at4.IMG Radiance Image
at4.IMG Sharp GPB Image
at4.IMG Starbase Image
at4.IMG Vivid Ray-Tracer Image
at4.IMG Autocad CAD-Camera Image
at4.IMG Datacopy Image
at4.IMG Vicar Image
at4.IMT IMNET Image
at4.INFO Amiga icon
at4.IOCA IOCA Image
at4.IPG Mindjongg Format Image
at4.IPH InterPaint (Hires) Image
at4.IPT InterPaint (Multicolor) Image
at4.IRIS Iris graphic Image
at4.IRIS Silicon Graphics RGB Image
at4.ISH Image Speeder Image
at4.ISM Image System (Multicolor) Image
at4.ISS ISS Image
at4.ITG Intergraph Format Image
at4.IVB Truevision Targa Image
at4.J JPEG / JFIF Image
at4.J2K LuraWave JPEG-2000 Format Image
at4.J6I Ricoh Digital Camera Image
at4.JBF PaintShopPro Browser Cache File
at4.JBG JBIG Image
at4.JBIG JBIG Image
at4.JFIF Joint Photographic Experts Group Image
at4.JIF Joint Photographic Experts Group Image
at4.JIF Jeff's Image Format Image
at4.JJ Doodle C64 (Compressed) Image
at4.JLS JPEG-LS Image
at4.JNG Jpeg Network Graphics Image
at4.JP2 LuraWave JPEG-2000 Format Image
at4.JPC LuraWave JPEG-2000 Code Stream Image
at4.JPE Joint Photographic Experts Group Image
at4.JPEG Joint Photographic Experts Group Image
at4.JPG Joint Photographic Experts Group Image
at4.JPS Stereo Image
at4.JPX LuraWave JPEG-2000 Format Image
at4.JTF Hayes JTFax Image
at4.K25 Kodak DC25 Camera Image
at4.KDC Raw Image File
at4.KFX Kofax Group 4 Image
at4.KOA Koala Paint Image
at4.KPS IBM Kips Image
at4.KQP Konica Camera File
at4.LBM Deluxe Paint, Electronic Arts Image
at4.LDA LaserData Image
at4.LFF LucasFilm Format Image
at4.LIF Homeworld Texture
at4.LVP LView Pro Image
at4.LWI Light Work Image
at4.M8 Heretic II MipMap Image
at4.MAC Mac Paint Image
at4.MACP Mac Paint Image
at4.MAG MAGIchan Graphics Image
at4.MAP DIV Game Studio Map Image
at4.MAP Fenix Map Image
at4.MBFAVS Stardent AVS X Image
at4.MBFS Stardent AVS X Image
at4.MBM Psion Serie 5 Bitmap Image
at4.MDI Microsoft Document Imaging Image
at4.MDL Half-Life Model Image
at4.MGR MGR bitmap Image
at4.MIF Image Magick file
at4.MIFF Image Magick file
at4.MIL Micro Illustrator Uncompressed Image
at4.MNG Multiple Network Graphics Image
at4.MPNT Mac Paint Image
at4.MRF Marks Russel File
at4.MRW Minolta Raw Image File
at4.MSK PaintShopPro Mask
at4.MSP Microsoft Paint Image
at4.MTV MTV Ray-Tracer Image
at4.MTX Maw-Ware Textures Image
at4.NCD CoverDesigner Image
at4.NCR NCR Image
at4.NCT CoverDesigner Template
at4.NEF Raw Image File
at4.NEO Neochrome (ST & TT) Image
at4.NGG Nokia Group Graphics Image
at4.NITF National Imagery Transmission Image
at4.NLM Nokia Logo File
at4.NOL Nokia Operator Logo
at4.NPM Neopaint Mask
at4.OAZ OAZ Fax Image
at4.OCP Advanced Art Studio Image
at4.OFX Olicom Fax Image
at4.OIL Open Image Library Format Image
at4.ORF Raw Image File
at4.OTB Nokia OTA Image
at4.P64 Picasso 64 Image
at4.P7 XV Visual Schnauzer Image
at4.PAC Stad Image
at4.PAINT Mac Paint Image
at4.PAN SmoothMove Pan Viewer Image
at4.PAT Gimp Pattern
at4.PAT Corel Draw Pattern (preview) Image
at4.PBM Portable Bitmap Image
at4.PBM Portable Bitmap Image
at4.PBT Micro Dynamics MARS Image
at4.PC1 Degas & Degas Elite Image
at4.PC2 Degas & Degas Elite Image
at4.PC3 Degas & Degas Elite Image
at4.PCC Zsoft Publisher's Paintbrush Image
at4.PCD Kodak Photo CD Image
at4.PCL Page Control Language Image
at4.PCT Mac Pict Image
at4.PCT NIST ihdr Image
at4.PCX Zsoft Paintbrush Image
at4.PD Male MRI Image
at4.PDB MonkeyCard Image
at4.PDB MonkeyLogo
at4.PDB Palm Pilot Image
at4.PDB Photo Deluxe Image
at4.PDB TealPaint Image
at4.PDD Photo Deluxe Image
at4.PDN Paint.NET Image
at4.PDS Planetary Data System Image
at4.PDX Mayura Draw Image
at4.PE4 Ulead Texture
at4.PEF Raw Image File
at4.PFR PaintShopPro Frame
at4.PG Printfox/Pagefox Image
at4.PGC Portfolio Graphics Compressed Image
at4.PGF Portfolio Graphics Image
at4.PGM Portable Graymap Image
at4.PHP Adobe PhotoParade Image
at4.PI Blazing Paddles Image
at4.PI1 Degas & Degas Elite Image
at4.PI2 Degas & Degas Elite Image
at4.PI3 Degas & Degas Elite Image
at4.PI4 Degas & Degas Elite Image
at4.PI5 Degas & Degas Elite Image
at4.PI6 Degas & Degas Elite Image
at4.PIC Macintosh Quickdraw/Pict Image
at4.PIC PC Paint / Pictor Page Image
at4.PIC Pixar Image
at4.PIC Radiance Image
at4.PIC Rayshade Image
at4.PIC Advanced Art Studio Image
at4.PIC Bio-Rad confocal Image
at4.PIC Psion Serie 3 Bitmap Image
at4.PIC Softimage
at4.PIC Stad Image
at4.PIC WinMIPS Image
at4.PICIO Pixar Image
at4.PICT Macintosh Quickdraw/Pict Image
at4.PICT2 Macintosh Quickdraw/Pict Image
at4.PIG Ricoh IS30 Image
at4.PIX Alias Image File
at4.PIX Truevision Targa Image
at4.PIX Vort Image
at4.PIX ESM Software Pix Image
at4.PIX PABX Image
at4.PIXAR Pixar Image
at4.PLT HP Graphics Language Image
at4.PM X11 Pixmap Image
at4.PM PM Image
at4.PMG Paint Magic Image
at4.PMP Sony DSC-F1 Cyber-shot Image
at4.PNG Portable Network Graphic Image
at4.PNM Portable Image
at4.PNT Mac Paint Image
at4.PNTG Mac Paint Image
at4.PP4 Micrografx Picture Publisher 4.0 Image
at4.PP5 Micrografx Picture Publisher 5.0 Image
at4.PPM Portable Pixelmap Image
at4.PPP Punk Productions Picture
at4.PR Sun Icon/Cursor
at4.PRC Picture Gear Pocket Image
at4.PRF Polychrome Recursive Format Image
at4.PRI Prisms Image
at4.PSD Adobe Photoshop Image
at4.PSE IBM Printer Page Segment Image
at4.PSF PhotoStudio File
at4.PSP PaintShopPro Image
at4.PST Ulead Pattern
at4.PWP Seattle Film Works multi-image
at4.PXA Pixia Image
at4.PXA Pegs Image
at4.PXB Pixibox Image
at4.PXR Pixar Image
at4.PXS Pegs Image
at4.PZL Puzzle Image
at4.PZP MGI Photosuite Project Image
at4.Q0 Q0 Image
at4.QDV Qdv (Random Dot Software) Image
at4.QRT Qrt Ray-Tracer Image
at4.QTI QuickTime Image Format Image
at4.QTIF QuickTime Image Format Image
at4.QTL YUV 16Bits Image
at4.QTL YUV 4:4:4 Image
at4.QTL YUV 4:1:1 Image
at4.QTL YUV 4:2:2 Image
at4.RAD Radiance Image
at4.RAF Raw Image File
at4.RAS Sun Raster Image
at4.RAST Sun Rasterfile
at4.RAW Raw Image File
at4.RGB Q0 Image
at4.RGB Silicon Graphics RGB Image
at4.RGBA Silicon Graphics RGB Image
at4.RGH ZZ Rough Image
at4.RIX ColoRIX Image
at4.RL4 Windows Bitmap Image
at4.RL8 Windows Bitmap Image
at4.RLA Wavefront Raster Image
at4.RLB Wavefront Raster Image
at4.RLC Image Systems RLC2 Graphic Image
at4.RLE ADEX Image
at4.RLE Intergraph Format Image
at4.RLE Utah raster Image
at4.RLE Windows Bitmap Image
at4.RP Rainbow Painter Image
at4.RPBM Portable Bitmap Image
at4.RPGM Portable Greyscale Image
at4.RPM RunPaint (Multicolor) Image
at4.RPNM Portable Image
at4.RPPM Portable Image
at4.RS Sun Rasterfile
at4.RSB Red Storm Image
at4.SAR Saracen Paint Image
at4.SC2 Msx 2 Screen Image
at4.SCI SciFax Image
at4.SCI ColoRIX Image
at4.SCR Sun Rasterfile
at4.SCR ZX Spectrum Standard Screen Image
at4.SCT SciTex Continuous Tone Image
at4.SCX ColoRIX Image
at4.SD0 Dali Raw Image
at4.SD1 Dali Raw Image
at4.SD2 Dali Raw Image
at4.SDG Star Office Gallery Image
at4.SDT SmartDraw 6 Template
at4.SEQ Stad Image
at4.SFW Seattle Film Works Image
at4.SGF StarWriter Graphics Format Image
at4.SGI Silicon Graphics RGB Image
at4.SGV StarDraw Image
at4.SI Softimage
at4.SIM Aurora Image
at4.SIR BYU SIR Image
at4.SIR Solitaire Image Recorder Image
at4.SJ1 Sega SJ-1 DIGIO Image
at4.SKF Autodesk SKETCH thumbnail Image
at4.SKN Skantek Image
at4.SKP Autodesk SketchUp component Image
at4.SMP Xionics SMP Image
at4.SNA ZX Spectrum Snapshot Image
at4.SPC Spectrum 512 (Compressed) Image
at4.SPS Spectrum 512 (Smooshed) Image
at4.SPU Spectrum 512 Image
at4.SR Sun Rasterfile
at4.SR2 Sony Raw Image File
at4.SRF Sony Raw Image File
at4.SSI SriSun Image
at4.SSP Axialis Screensaver Image
at4.ST4 SBIG CCD camera ST-X Image
at4.ST4 SBIG CCD camera ST-4 Image
at4.ST5 SBIG CCD camera ST-X Image
at4.ST6 SBIG CCD camera ST-X Image
at4.ST7 SBIG CCD camera ST-X Image
at4.ST8 SBIG CCD camera ST-X Image
at4.STM PhotoStudio Stamp Image
at4.STW Neopaint Stamp Image
at4.STX SBIG CCD camera ST-X Image
at4.SUL Gfa Raytrace Image
at4.SUN Sun Rasterfile
at4.SUNIFF Sun TAAC Image
at4.SVG Scalable Vector Graphics Image
at4.SVGZ GZip Compressed Scalable Vector Graphics Image
at4.SYN Synthetic Universe Image
at4.SYNU Synthetic Universe Image
at4.T1 Male MRI Image
at4.T2 Male MRI Image
at4.TAAC Sun TAAC Image
at4.TAP Oric TAP Image
at4.TARGA Truevision Targa Image
at4.TDI Explore (TDI) & Maya Image
at4.TDIM Digital F/X Image
at4.TEX PaintShopPro Texture
at4.TG4 TG4 Image
at4.TGA Truevision Targa Image
at4.THB KinuPix Skin Image
at4.TIF Tagged Image File Format Image
at4.TIFF Tagged Image File Format Image
at4.TIL Buttonz & Tilez texture
at4.TILE Eclipse Image
at4.TIM Sony Playstation TIM Image
at4.TIM TIFF Revision 6 Image
at4.TN1 Tiny Image
at4.TN2 Tiny Image
at4.TN3 Tiny Image
at4.TNL Thumbnail Image
at4.TNY Tiny Image
at4.TTF Optigraphics Tiled Image
at4.TUB PaintShopPro Picture Tube Image
at4.UPI Ulead PhotoImpact Image
at4.URT Utah raster Image
at4.UYVY YUV 16Bits Image
at4.VDA Video Display Adapter Image
at4.VFF Sun TAAC Image
at4.VGA Windows Bitmap Image
at4.VI Jovian VI Image
at4.VIC Vicar Image
at4.VICAR Vicar Image
at4.VID Vidcom 64 Image
at4.VIF Khoros Visualization Image file
at4.VIF Verity Image
at4.VIFF Khoros Visualization Image file
at4.VIT VITec Image
at4.VOB Vue d'esprit Image
at4.VPB Quantel VPB Image
at4.VST Vista Image
at4.WAD WAD (Half Life) Image
at4.WAL Quake Texture
at4.WAP Wireless Bitmap Image
at4.WBC WebShots Image
at4.WBM Wireless Bitmap Image
at4.WBMP Wireless Bitmap Image
at4.WBZ WebShots Image
at4.WFX WinFAX Image
at4.WPG WordPerfect Graphics Image
at4.WRL VRML2 Image
at4.X Stardent AVS X Image
at4.X11 X Windows System Dump Image
at4.X3F Raw Image File
at4.XAR Xara Image
at4.XBM X Bitmap Image
at4.XCF Gimp Bitmap Image
at4.XIF Xerox DIFF Image
at4.XIM Ximage
at4.XP0 SecretPhotos Puzzle Image
at4.XPM X PixMap Image
at4.XV Khoros Visualization Image file
at4.XWD X Windows System Dump Image
at4.YUV YUV 16Bits Image
at4.YUV YUV 4:1:1 Image
at4.YUV YUV 4:2:2 Image
at4.YUV YUV 4:4:4 Image
at4.ZBR Zoner Zebra Metafile
at4.ZMF Zoner Callisto Metafile
at4.[B] Amica Paint Image
Types of Metadata Files
at4.ABT AbiWord Template
at4.ASA ASP Configuration File
at4.ASX Advanced Stream Redirector
at4.B4S Winamp 3+ Playlist
at4.BTSEARCH BitTorrent Search File
at4.BUP DVD Information File
at4.CGM Computer Graphics Metafile
at4.CKZ CKZ Checksum File
at4.CODE eXtensible Stylesheet Language Transformation File
at4.CONFIG Configuration File
at4.CRC Cyclic Redundancy Check Checksum File
at4.CUE Cue Sheet
at4.DOT Microsoft Word Template
at4.DOTM Microsoft Word XML Template
at4.DOTX Microsoft Open XML Word Template
at4.EMF Enhanced Metafile
at4.IFO DVD Information File
at4.INI Initialization File
at4.M3U MP3 Uniform Resource Locator
at4.MANIFEST Windows Assembly Manifest File
at4.MD5 MD5 Checksum File
at4.MET OS/2 Metafile
at4.MP TeX Metapost Macro
at4.NFO Downloaded Program Information
at4.OTP ODF Presentation Template
at4.OTS ODF Spreadsheet Template
at4.OTT ODF Text Document Template
at4.PAR Parity Checksum File
at4.PLS Playlist
at4.POT Microsoft PowerPoint Template
at4.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
at4.POTX Microsoft Open XML PowerPoint Template
at4.SFV SFV Checksum File
at4.SHAPE Dia Shape File
at4.SRT DVD Subtitles File
at4.STC OpenOffice.org 1.0 Spreadsheet Template
at4.STI OpenOffice.org 1.0 Presentation Template
at4.STW OpenOffice.org 1.0 Text Document Template
at4.SVM StarView MetaFile
at4.TEX TeX PSTricks Macro
at4.TORRENT BitTorrent Tracker File
at4.VLC VLC Media Player Data
at4.VOR StarWriter Template
at4.VOR StarCalc Template
at4.VOR StarImpress Template
at4.WMF Windows Metafile
at4.XLM Microsoft Excel Macro
at4.XLT Microsoft Excel Template
at4.XLTM Microsoft Excel XML Template
at4.XLTX Microsoft Excel XML Template
at4.XLW Microsoft Excel Workspace
at4.XSPF XML Shareable Playlist Format
Types of Plugins
at4.XPI Firefox Plugin
Types of Presentations
at4.ODG ODF Drawing Presentation
at4.ODP ODF Presentation
at4.PPS Microsoft PowerPoint Show
at4.PPSX Microsoft Open XML PowerPoint Show
at4.PPT Microsoft PowerPoint Presentation
at4.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
at4.PPTX Microsoft Open XML PowerPoint Presentation
at4.SDA StarDraw Drawing
at4.SDD StarDraw Drawing
at4.SDD StarImpress Presentation
at4.SXD Microsoft OpenOffice.org 1.0 Drawing
at4.SXI OpenOffice.org 1.0 Presentation
at4.UOF Unified Office Format Presentation
at4.UOP Unified Office Format Presentation
Types of Shell Scripts
at4.AU3 AutoIt Script
at4.BAT Windows Batch File
at4.BSH Bash Shell Script
at4.SH Unix Shell Script
Types of Source Code
at4.ASAX ASP.Net Open XML Configuration File
at4.ASP Active Server Page Source File
at4.ASPX ASP.Net Open XML Source File
at4.C C Source File
at4.CGI Perl Source File
at4.CPP C++ Source File
at4.CS C# Source File
at4.CSPROJ C# Project File
at4.CSS Cascading Style Sheets Source File
at4.CXX C++ Source File
at4.H C Header File
at4.HPP C++ Header File
at4.HTA
at4.HTM Hypertext Markup Language Source File
at4/value/at4 Hypertext Markup Language Source File
at4.JAVA JAVA Source File
at4.JS JavaScript Source File
at4.JSP JavaServer Pages Source File
at4.MHT
at4./value/at4
at4.PHP PHP Source File
at4.PHP3 PHP3 Source File
at4.PL Perl Source File
at4.PM Perl Module
at4.RC C++ Resource Compiler Script
at4./value/at4 Server Side Includes/value/at4 File
at4.SQL SQL Database Query
at4.STM Server Side Includes/value/at4 File
at4.VB Visual Basic .Net Source File
at4.VBPROJ Visual Basic .Net Project File
at4.VBS Visual Basic Script
at4.XAML Extensible Application Markup Language
at4.XML Extensible Markup Language
Types of Spreadsheets
at4.123 IBM Lotus 1-2-3 Spreadsheet
at4.DIF Data Interchange Format Document
at4.ODS ODF Spreadsheet
at4.PXL Pocket Excel Spreadsheet
at4.SDC StarCalc Spreadsheet
at4.SLK SYLK Spreadsheet
at4.SXC OpenOffice.org 1.0 Spreadsheet
at4.UOF Unified Office Format Spreadsheet
at4.UOS Unified Office Format Spreadsheet
at4.WB2 Quattro Pro Spreadsheet
at4.WK1 Lotus 1-2-3 Spreadsheet
at4.WKS Lotus 1-2-3 Spreadsheet
at4.XLC Microsoft Excel Chart
at4.XLS Microsoft Excel Spreadsheet
at4.XLSB Microsoft Excel Binary Spreadsheet
at4.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
at4.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
at4.3G2 3G Mobile Phone Video
at4.3GP 3G Mobile Phone Video
at4.ASF Advanced Systems Format Video
at4.AVI Audio Video Interleave
at4.BIK Bink Video
at4.BIN Binary DVD Video
at4.DAT VCD Video
at4.DIVX DivX Movie
at4.DV Digital Video
at4.FLV Flash Video
at4.GXF General eXchange Format
at4.M1V MPEG-1 Video
at4.M2TS MPEG-2 Transport Stream Videos
at4.M2V MPEG-2 Video
at4.M4V MPEG-4 Video File
at4.MKV Matroska Video Stream
at4.MOV Apple QuickTime Movie
at4.MP4 MPEG-4 Part 14 Multimedia Container
at4.MPEG MPEG Video
at4.MPEG1 MPEG-1 Video
at4.MPEG2 MPEG-2 Video
at4.MPEG4 MPEG-4 Video
at4.MPG MPEG Video
at4.MTS AVCHD Video File
at4.MXF Material eXchange Format
at4.OGM Ogg Multimedia Container File
at4.RM RealMedia Streaming Media File
at4.RMVB RealMedia Variable Bitrate Media File
at4.SWF Adobe Flash Movie
at4.TS DVD Video
at4.VOB DVD Video Object
at4.WMV Windows Media Video
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