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Types of Assemblies
opsn4.DLL Dynamic Link Library
opsn4.EXE Windows Executable File
Types of Audio Files
opsn4.A52 Dolby Digital AC-3 Compressed Audio File
opsn4.AAC Advanced Audio Coding Compressed Audio File
opsn4.AC3 Dolby Digital AC-3 Compressed Audio File
opsn4.AIF Audio Interchange Format File
opsn4.APE Monkey's Audio Compressed Audio File
opsn4.AU Sun / NeXT Audio File
opsn4.DTS Digital Theater Systems Audio File
opsn4.FLAC Free Lossless Audio Codec Compressed Audio FIle
opsn4.M4A MPEG-4 Audio File
opsn4.M4P Protected AAC File
opsn4.MID MIDI Audio Sequence
opsn4.MKA Matroska Audio Stream
opsn4.MOD MOD Audio File
opsn4.MP1 MPEG-1 Audio Layer I
opsn4.MP2 MPEG-1 Audio Layer II
opsn4.MP3 MPEG-1 Audio Layer 3
opsn4.OGG Ogg Multimedia Container File
opsn4.OMA OpenMG Audio File
opsn4.RA RealMedia Audio File
opsn4.RAM RealMedia Audio File
opsn4.SND Sun / NeXT Audio File
opsn4.SPX Ogg Speex Audio File
opsn4.WAV Waveform Audio
opsn4.WMA Windows Media Audio File
opsn4.WV WavPack Compressed Audio File
opsn4.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
opsn4.7Z 7-Zip Compressed Archive
opsn4.ACE Ace Compressed Archive
opsn4.ARJ Archived by Robert Jung Compressed Archive
opsn4.BZ BZip Compressed Archive
opsn4.BZ2 BZip2 Compressed Archive
opsn4.CAB Cabinet Compressed Archive
opsn4.CPIO CPIO Compressed Archive
opsn4.GZ GNU Zip Compressed Archive
opsn4.JAR Java Archive
opsn4.LHA LHA Compressed Archive
opsn4.LZH Lempel-Ziv and Haruyasu Compressed Archive
opsn4.R00 WinRAR Archive Partial File
opsn4.RAR WinRAR Compressed Archive
opsn4.REV WinRAR Recovery Volume
opsn4.TAR TAR Archive
opsn4.TAZ TAR Compressed Archive
opsn4.TBZ BZip Compressed Tar Archive
opsn4.TBZ2 BZip2 Compressed Tar Archive
opsn4.TGZ GZip Compressed Tar Archive
opsn4.UU Uuencoded File
opsn4.UUE Uuencoded File
opsn4.XXE Compressed ASCII Archive
opsn4.Z Unix Compressed Archive
opsn4.ZIP Zip Compressed Archive
Types of Data Files
opsn4.CSV Comma Separated Value Database
opsn4.DAT Data File
opsn4.DBF dBASE Database
opsn4.ICL Icon Library
opsn4.MNL MathML Data
opsn4.NWP Magentic Content File
opsn4.ODB ODF Database
opsn4.ODF ODF Formula
opsn4.PART Partially Downloaded File
opsn4.SMF StarMath Data
opsn4.SXM OpenOffice.org 1.0 Formula
opsn4.TMP Temporary File
opsn4.TXT Comma Separated Value Database
opsn4.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
opsn4.B5I B5I Disk Image
opsn4.B5T B5T Disk Image
opsn4.BIN Binary Disk Image
opsn4.BWI BlinkWrite Disk Image
opsn4.BWT BlinkWrite Disk Image
opsn4.C2D C2D Disk Image
opsn4.CCD CCD Disk Image
opsn4.CD CD Disk Image
opsn4.CDI CD Image File
opsn4.CDR Raw CD Audio File
opsn4.CIF CIF Disk Image
opsn4.DAO DAO Disk Image
opsn4.DI Raw CD Audio File
opsn4.DMG Mac OS X Disk Image
opsn4.DVD DVD Disk Image
opsn4.FCD FCD Disk Image
opsn4.FLP FLP Disk Image
opsn4.GCD GCD Disk Image
opsn4.GCM GameCube Image File
opsn4.GI Global Disk Image
opsn4.IBB IBB Disk Image
opsn4.IBP IBP Disk Image
opsn4.IBQ IsoBuster Disk Image
opsn4.IMG Disk Image File
opsn4.ISO ISO 9660 Disk Image
opsn4.LST DVD Image List
opsn4.MDF MDF Disk Image
opsn4.MDS MDS CD/DVD Image
opsn4.NRG Nero Disk Image
opsn4.P01 P01 Disk Image
opsn4.PDI InstantCopy Disc Image
opsn4.PXI PXI Disk Image
opsn4.TAO TAO Disk Image
opsn4.UDI Universal Disk Image
opsn4.VC4 VC4 Disk Image
opsn4.VCD Farstone Virtual Drive
opsn4.VDI Virtuo CD Manager Disk Image
Types of Documents
opsn4.ABW AbiWord Document
opsn4.CHM Compiled Help File
opsn4.DJV DjVu Document
opsn4.DJVU DjVu Document
opsn4.DOC Corel WordPerfect Document
opsn4.DOC Microsoft Word Document
opsn4.DOCM Microsoft Word XML Document
opsn4.DOCX Microsoft Open XML Word Document
opsn4.GAN GanttProject File
opsn4.HWP Hangul Word Processor Document
opsn4.LOG Log File
opsn4.ODM ODF Master Document
opsn4.ODT ODF Text Document
opsn4.OTH
opsn4.PDB Palm AportisDoc Document
opsn4.PDF Portable Document Format Document
opsn4.PSW Pocket Word Document
opsn4.RTF Rich Text Format Document
opsn4.SDW StarWriter Document
opsn4.SGL StarWriter Master Document
opsn4.STW OpenOffice.org 1.0/value/opsn4 Template
opsn4.SXG OpenOffice.org 1.0 Master Document
opsn4.SXW OpenOffice.org 1.0 Text Document
opsn4.TXT Text Document
opsn4.UOF Unified Office Format Document
opsn4.UOT Unified Office Format Document
opsn4.WPD WordPerfect Document
opsn4.WPS Microsoft Works Document
opsn4.XML DocBook Document
Types of Images
opsn4.!S ZX Spectrum Hobetta Image
opsn4.$C ZX Spectrum Hobetta Image
opsn4.$S ZX Spectrum Hobetta Image
opsn4.001 Ricoh Fax Image
opsn4.001 SmartFax Image
opsn4.16 LSS16 Image
opsn4.2BP Pocket PC Bitmap Image
opsn4.2D Amapi Image
opsn4.301 Brooktrout 301 Image
opsn4.3FR Hasselblad 3F RAW Image
opsn4.411 Mavica Image
opsn4.4BIT GoDot Image
opsn4.4BT GoDot Image
opsn4.73I TI Bitmap Image
opsn4.82I TI Bitmap Image
opsn4.83I TI Bitmap Image
opsn4.85I TI Bitmap Image
opsn4.86I TI Bitmap Image
opsn4.89I TI Bitmap Image
opsn4.92I TI Bitmap Image
opsn4.A64 Artist 64 Image
opsn4.ABS Optocat Image
opsn4.ACE Aces200 Image
opsn4.ACR Dicom Image
opsn4.AFX Auto F/X Image
opsn4.ALIAS Alias Image File
opsn4.ALS Alias Image File
opsn4.AMI Amica Paint Image
opsn4.ANI Animated Mouse Cursor Image
opsn4.ANI Windows Animated Cursor
opsn4.ANV AirNav Image
opsn4.APX Photopaint Image
opsn4.ARF ARF Image
opsn4.ARN Astronomical Research Network Image
opsn4.ART Art Director Image
opsn4.ART Artisan Image
opsn4.ART Advanced Art Studio Image
opsn4.ART Pfs Art Publisher Image
opsn4.ATK Andrew Toolkit raster object Image
opsn4.ATT AT&T Group 4 Image
opsn4.AVS Stardent AVS X Image
opsn4.B&W ImageLab Image
opsn4.B16 PCO Image
opsn4.B3D B3D (images) Image
opsn4.BFL BFLI Image
opsn4.BFLI BFLI Image
opsn4.BFX Bfx Bitware Image
opsn4.BGA OS/2 Bitmap Image
opsn4.BIE JBIG Image
opsn4.BIF byLight Image
opsn4.BIG Cartes Michelin Image
opsn4.BLD MegaPaint Image
opsn4.BLK Amiga IFF Image
opsn4.BM X11 Bitmap Image
opsn4.BMC Embroidery Image
opsn4.BMF BMF Image
opsn4.BMP Windows Bitmap Image
opsn4.BMP Alpha Microsystems BMP Image
opsn4.BMS Playback Bitmap Sequence Image
opsn4.BOB Bob Raytracer Image
opsn4.BPX Truevision Targa Image
opsn4.BRK Brooktrout 301 Image
opsn4.BRT Brooktrout 301 Image
opsn4.BS Printfox/Pagefox Image
opsn4.BTN JustButtons animated bitmap Image
opsn4.BUM Poser Bump Image
opsn4.BW Silicon Graphics RGB Image
opsn4.B_W ImageLab Image
opsn4.C4 Edmics Image
opsn4.CAL CALS Raster Image
opsn4.CALS CALS Raster Image
opsn4.CAM Casio QV-10/100 Camera Image
opsn4.CAN Canon Navigator Fax Image
opsn4.CAR NeoBook Cartoon Image
opsn4.CAT Photomatrix Image
opsn4.CBM Fuzzy bitmap Image
opsn4.CDR Corel Draw Bitmap (preview) Image
opsn4.CDU CDU Paint Image
opsn4.CE Computer Eyes, Digital Vision Image
opsn4.CE1 ComputerEyes Raw Image
opsn4.CE2 ComputerEyes Raw Image
opsn4.CEL Kiss Cel Image
opsn4.CFT Optigraphics Image
opsn4.CIN Kodak Cineon Image
opsn4.CIT Intergraph Format Image
opsn4.CLO Cloe Ray-Tracer Image
opsn4.CLOE Cloe Ray-Tracer Image
opsn4.CLP Windows Clipboard Image
opsn4.CLP PC Paint / Pictor Page Image
opsn4.CLP GoDot Image
opsn4.CMP Discorp CMP Image
opsn4.CMT Chinon ES-1000 digital camera Image
opsn4.CMU CMU Window Manager Image
opsn4.CMX Corel Metafile Exchange (preview) Image
opsn4.CP8 CP8 256 Gray Scale Image
opsn4.CPI Calamus Image
opsn4.CPT CorelDraw Photopaint Image
opsn4.CR2 Raw Image File
opsn4.CRG Calamus Image
opsn4.CRW Raw Image File
opsn4.CT Iris CT Image
opsn4.CUR Mouse Cursor Image
opsn4.CURSOR Sun Icon/Cursor
opsn4.CUT Dr Halo Image
opsn4.CVP Portrait Image
opsn4.DAT SPOT Image
opsn4.DCM Dicom Image
opsn4.DCR Raw Image File
opsn4.DCX Multipage PCX Image
opsn4.DCX Zsoft Multi-page Paintbrush Image
opsn4.DCX Zsoft Publisher's Paintbrush Image
opsn4.DD Doodle C64 Image
opsn4.DDS Microsoft DirectDraw Surface
opsn4.DIA Dia UML Diagram
opsn4.DIB Windows Bitmap Image
opsn4.DIS DKB Ray-Tracer Image
opsn4.DNG Raw Image File
opsn4.DOO Doodle Atari Image
opsn4.DPX DPX Image
opsn4.DRZ Draz Paint Image
opsn4.DWF AutoCAD Drawing
opsn4.DWG AutoCAD Drawing
opsn4.DXF AutoCAD Drawing eXchange Format Drawing
opsn4.DXF AutoCAD Drawing
opsn4.ECC Ecchi Image
opsn4.EI Electric Image
opsn4.EIDI Electric Image
opsn4.EIF Eroiica Image
opsn4.EMF Enhanced Metafile Format Image
opsn4.EPA Award Bios Logo
opsn4.EPS Encapsulated PostScript Image
opsn4.ESM Enhance Simplex Image
opsn4.FAC Usenix FaceServer Image
opsn4.FACE Usenix FaceServer Image
opsn4.FAX Fax Group 3 Image
opsn4.FBM Fuzzy bitmap Image
opsn4.FFF Maggi Hairstyles & Cosmetics Image
opsn4.FI Flash Image
opsn4.FIG XFig Drawing
opsn4.FIT FIT Image
opsn4.FITS Flexible Image Transport System Image
opsn4.FLC Autodesk Animator Image
opsn4.FLI Autodesk Animator Image
opsn4.FPG DIV Game Studio Multi Map Image
opsn4.FRE Male Normal CT Image
opsn4.FRM Megalux Frame
opsn4.FRM PhotoFrame
opsn4.FSH EA Sports FSH Image
opsn4.FSY PhotoFantasy Image
opsn4.FTS Flexible Image Transport System Image
opsn4.FXO WinFAX Image
opsn4.FXS WinFAX Image
opsn4.G3 Fax Group 3 Image
opsn4.G3N Imaging Fax Image
opsn4.G4 Access Image
opsn4.GAF Total Annihilation Image
opsn4.GB Printfox/Pagefox Image
opsn4.GBR Gimp Brush Image
opsn4.GEM Digital Research (GEM Paint) Image
opsn4.GEO GeoPaint Image
opsn4.GG Koala Paint (Compressed) Image
opsn4.GIF Graphics Interchange Format Image
opsn4.GIFF CompuServe GIF Image
opsn4.GM Autologic Image
opsn4.GM2 Autologic Image
opsn4.GM4 Autologic Image
opsn4.GRB HP-48/49 GROB Image
opsn4.GREY Raw Image
opsn4.GRO HP-48/49 GROB Image
opsn4.GRY Raw Image
opsn4.HDR Apollo HDRU Image
opsn4.HDR ArcInfo Binary Image
opsn4.HDRU Apollo HDRU Image
opsn4.HED Hi-Eddi Image
opsn4.HF HF Image
opsn4.HIR Hires C64 Image
opsn4.HPGL HP Graphics Language Image
opsn4.HPI Hemera Photo Image
opsn4.HR TRS 80 Image
opsn4.HRU HRU Image
opsn4.HRZ Slow Scan Television Image
opsn4.HTA Hemera Thumbs Image
opsn4.I17 Pixel Power Collage Image
opsn4.I18 Pixel Power Collage Image
opsn4.IB7 Pixel Power Collage Image
opsn4.ICA IOCA Image
opsn4.ICB Image Capture Board Image
opsn4.ICN RIPTerm Image
opsn4.ICNS Macintosh Icon File
opsn4.ICO Windows Icon File
opsn4.ICO Sun Icon/Cursor
opsn4.ICON Sun Icon/Cursor
opsn4.IDC Core IDC Image
opsn4.IF9 Pixel Power Collage Image
opsn4.IFF Explore (TDI) & Maya Image
opsn4.IFF Sun TAAC Image
opsn4.IFF Amiga IFF Image
opsn4.IIM Inshape Image
opsn4.IIMG Interleaf Image
opsn4.ILBM Deluxe Paint, Electronic Arts Image
opsn4.IM AIM Grey Scale Image
opsn4.IM5 IM5 (Visilog) Image
opsn4.IMA AIM Grey Scale Image
opsn4.IMG ADEX Image
opsn4.IMG Digital Research (GEM Paint) Image
opsn4.IMG Imaging Technology Image
opsn4.IMG Img Software Set Image
opsn4.IMG Microtek Eyestar Image
opsn4.IMG Planetary Data System Image
opsn4.IMG Radiance Image
opsn4.IMG Sharp GPB Image
opsn4.IMG Starbase Image
opsn4.IMG Vivid Ray-Tracer Image
opsn4.IMG Autocad CAD-Camera Image
opsn4.IMG Datacopy Image
opsn4.IMG Vicar Image
opsn4.IMT IMNET Image
opsn4.INFO Amiga icon
opsn4.IOCA IOCA Image
opsn4.IPG Mindjongg Format Image
opsn4.IPH InterPaint (Hires) Image
opsn4.IPT InterPaint (Multicolor) Image
opsn4.IRIS Iris graphic Image
opsn4.IRIS Silicon Graphics RGB Image
opsn4.ISH Image Speeder Image
opsn4.ISM Image System (Multicolor) Image
opsn4.ISS ISS Image
opsn4.ITG Intergraph Format Image
opsn4.IVB Truevision Targa Image
opsn4.J JPEG / JFIF Image
opsn4.J2K LuraWave JPEG-2000 Format Image
opsn4.J6I Ricoh Digital Camera Image
opsn4.JBF PaintShopPro Browser Cache File
opsn4.JBG JBIG Image
opsn4.JBIG JBIG Image
opsn4.JFIF Joint Photographic Experts Group Image
opsn4.JIF Joint Photographic Experts Group Image
opsn4.JIF Jeff's Image Format Image
opsn4.JJ Doodle C64 (Compressed) Image
opsn4.JLS JPEG-LS Image
opsn4.JNG Jpeg Network Graphics Image
opsn4.JP2 LuraWave JPEG-2000 Format Image
opsn4.JPC LuraWave JPEG-2000 Code Stream Image
opsn4.JPE Joint Photographic Experts Group Image
opsn4.JPEG Joint Photographic Experts Group Image
opsn4.JPG Joint Photographic Experts Group Image
opsn4.JPS Stereo Image
opsn4.JPX LuraWave JPEG-2000 Format Image
opsn4.JTF Hayes JTFax Image
opsn4.K25 Kodak DC25 Camera Image
opsn4.KDC Raw Image File
opsn4.KFX Kofax Group 4 Image
opsn4.KOA Koala Paint Image
opsn4.KPS IBM Kips Image
opsn4.KQP Konica Camera File
opsn4.LBM Deluxe Paint, Electronic Arts Image
opsn4.LDA LaserData Image
opsn4.LFF LucasFilm Format Image
opsn4.LIF Homeworld Texture
opsn4.LVP LView Pro Image
opsn4.LWI Light Work Image
opsn4.M8 Heretic II MipMap Image
opsn4.MAC Mac Paint Image
opsn4.MACP Mac Paint Image
opsn4.MAG MAGIchan Graphics Image
opsn4.MAP DIV Game Studio Map Image
opsn4.MAP Fenix Map Image
opsn4.MBFAVS Stardent AVS X Image
opsn4.MBFS Stardent AVS X Image
opsn4.MBM Psion Serie 5 Bitmap Image
opsn4.MDI Microsoft Document Imaging Image
opsn4.MDL Half-Life Model Image
opsn4.MGR MGR bitmap Image
opsn4.MIF Image Magick file
opsn4.MIFF Image Magick file
opsn4.MIL Micro Illustrator Uncompressed Image
opsn4.MNG Multiple Network Graphics Image
opsn4.MPNT Mac Paint Image
opsn4.MRF Marks Russel File
opsn4.MRW Minolta Raw Image File
opsn4.MSK PaintShopPro Mask
opsn4.MSP Microsoft Paint Image
opsn4.MTV MTV Ray-Tracer Image
opsn4.MTX Maw-Ware Textures Image
opsn4.NCD CoverDesigner Image
opsn4.NCR NCR Image
opsn4.NCT CoverDesigner Template
opsn4.NEF Raw Image File
opsn4.NEO Neochrome (ST & TT) Image
opsn4.NGG Nokia Group Graphics Image
opsn4.NITF National Imagery Transmission Image
opsn4.NLM Nokia Logo File
opsn4.NOL Nokia Operator Logo
opsn4.NPM Neopaint Mask
opsn4.OAZ OAZ Fax Image
opsn4.OCP Advanced Art Studio Image
opsn4.OFX Olicom Fax Image
opsn4.OIL Open Image Library Format Image
opsn4.ORF Raw Image File
opsn4.OTB Nokia OTA Image
opsn4.P64 Picasso 64 Image
opsn4.P7 XV Visual Schnauzer Image
opsn4.PAC Stad Image
opsn4.PAINT Mac Paint Image
opsn4.PAN SmoothMove Pan Viewer Image
opsn4.PAT Gimp Pattern
opsn4.PAT Corel Draw Pattern (preview) Image
opsn4.PBM Portable Bitmap Image
opsn4.PBM Portable Bitmap Image
opsn4.PBT Micro Dynamics MARS Image
opsn4.PC1 Degas & Degas Elite Image
opsn4.PC2 Degas & Degas Elite Image
opsn4.PC3 Degas & Degas Elite Image
opsn4.PCC Zsoft Publisher's Paintbrush Image
opsn4.PCD Kodak Photo CD Image
opsn4.PCL Page Control Language Image
opsn4.PCT Mac Pict Image
opsn4.PCT NIST ihdr Image
opsn4.PCX Zsoft Paintbrush Image
opsn4.PD Male MRI Image
opsn4.PDB MonkeyCard Image
opsn4.PDB MonkeyLogo
opsn4.PDB Palm Pilot Image
opsn4.PDB Photo Deluxe Image
opsn4.PDB TealPaint Image
opsn4.PDD Photo Deluxe Image
opsn4.PDN Paint.NET Image
opsn4.PDS Planetary Data System Image
opsn4.PDX Mayura Draw Image
opsn4.PE4 Ulead Texture
opsn4.PEF Raw Image File
opsn4.PFR PaintShopPro Frame
opsn4.PG Printfox/Pagefox Image
opsn4.PGC Portfolio Graphics Compressed Image
opsn4.PGF Portfolio Graphics Image
opsn4.PGM Portable Graymap Image
opsn4.PHP Adobe PhotoParade Image
opsn4.PI Blazing Paddles Image
opsn4.PI1 Degas & Degas Elite Image
opsn4.PI2 Degas & Degas Elite Image
opsn4.PI3 Degas & Degas Elite Image
opsn4.PI4 Degas & Degas Elite Image
opsn4.PI5 Degas & Degas Elite Image
opsn4.PI6 Degas & Degas Elite Image
opsn4.PIC Macintosh Quickdraw/Pict Image
opsn4.PIC PC Paint / Pictor Page Image
opsn4.PIC Pixar Image
opsn4.PIC Radiance Image
opsn4.PIC Rayshade Image
opsn4.PIC Advanced Art Studio Image
opsn4.PIC Bio-Rad confocal Image
opsn4.PIC Psion Serie 3 Bitmap Image
opsn4.PIC Softimage
opsn4.PIC Stad Image
opsn4.PIC WinMIPS Image
opsn4.PICIO Pixar Image
opsn4.PICT Macintosh Quickdraw/Pict Image
opsn4.PICT2 Macintosh Quickdraw/Pict Image
opsn4.PIG Ricoh IS30 Image
opsn4.PIX Alias Image File
opsn4.PIX Truevision Targa Image
opsn4.PIX Vort Image
opsn4.PIX ESM Software Pix Image
opsn4.PIX PABX Image
opsn4.PIXAR Pixar Image
opsn4.PLT HP Graphics Language Image
opsn4.PM X11 Pixmap Image
opsn4.PM PM Image
opsn4.PMG Paint Magic Image
opsn4.PMP Sony DSC-F1 Cyber-shot Image
opsn4.PNG Portable Network Graphic Image
opsn4.PNM Portable Image
opsn4.PNT Mac Paint Image
opsn4.PNTG Mac Paint Image
opsn4.PP4 Micrografx Picture Publisher 4.0 Image
opsn4.PP5 Micrografx Picture Publisher 5.0 Image
opsn4.PPM Portable Pixelmap Image
opsn4.PPP Punk Productions Picture
opsn4.PR Sun Icon/Cursor
opsn4.PRC Picture Gear Pocket Image
opsn4.PRF Polychrome Recursive Format Image
opsn4.PRI Prisms Image
opsn4.PSD Adobe Photoshop Image
opsn4.PSE IBM Printer Page Segment Image
opsn4.PSF PhotoStudio File
opsn4.PSP PaintShopPro Image
opsn4.PST Ulead Pattern
opsn4.PWP Seattle Film Works multi-image
opsn4.PXA Pixia Image
opsn4.PXA Pegs Image
opsn4.PXB Pixibox Image
opsn4.PXR Pixar Image
opsn4.PXS Pegs Image
opsn4.PZL Puzzle Image
opsn4.PZP MGI Photosuite Project Image
opsn4.Q0 Q0 Image
opsn4.QDV Qdv (Random Dot Software) Image
opsn4.QRT Qrt Ray-Tracer Image
opsn4.QTI QuickTime Image Format Image
opsn4.QTIF QuickTime Image Format Image
opsn4.QTL YUV 16Bits Image
opsn4.QTL YUV 4:4:4 Image
opsn4.QTL YUV 4:1:1 Image
opsn4.QTL YUV 4:2:2 Image
opsn4.RAD Radiance Image
opsn4.RAF Raw Image File
opsn4.RAS Sun Raster Image
opsn4.RAST Sun Rasterfile
opsn4.RAW Raw Image File
opsn4.RGB Q0 Image
opsn4.RGB Silicon Graphics RGB Image
opsn4.RGBA Silicon Graphics RGB Image
opsn4.RGH ZZ Rough Image
opsn4.RIX ColoRIX Image
opsn4.RL4 Windows Bitmap Image
opsn4.RL8 Windows Bitmap Image
opsn4.RLA Wavefront Raster Image
opsn4.RLB Wavefront Raster Image
opsn4.RLC Image Systems RLC2 Graphic Image
opsn4.RLE ADEX Image
opsn4.RLE Intergraph Format Image
opsn4.RLE Utah raster Image
opsn4.RLE Windows Bitmap Image
opsn4.RP Rainbow Painter Image
opsn4.RPBM Portable Bitmap Image
opsn4.RPGM Portable Greyscale Image
opsn4.RPM RunPaint (Multicolor) Image
opsn4.RPNM Portable Image
opsn4.RPPM Portable Image
opsn4.RS Sun Rasterfile
opsn4.RSB Red Storm Image
opsn4.SAR Saracen Paint Image
opsn4.SC2 Msx 2 Screen Image
opsn4.SCI SciFax Image
opsn4.SCI ColoRIX Image
opsn4.SCR Sun Rasterfile
opsn4.SCR ZX Spectrum Standard Screen Image
opsn4.SCT SciTex Continuous Tone Image
opsn4.SCX ColoRIX Image
opsn4.SD0 Dali Raw Image
opsn4.SD1 Dali Raw Image
opsn4.SD2 Dali Raw Image
opsn4.SDG Star Office Gallery Image
opsn4.SDT SmartDraw 6 Template
opsn4.SEQ Stad Image
opsn4.SFW Seattle Film Works Image
opsn4.SGF StarWriter Graphics Format Image
opsn4.SGI Silicon Graphics RGB Image
opsn4.SGV StarDraw Image
opsn4.SI Softimage
opsn4.SIM Aurora Image
opsn4.SIR BYU SIR Image
opsn4.SIR Solitaire Image Recorder Image
opsn4.SJ1 Sega SJ-1 DIGIO Image
opsn4.SKF Autodesk SKETCH thumbnail Image
opsn4.SKN Skantek Image
opsn4.SKP Autodesk SketchUp component Image
opsn4.SMP Xionics SMP Image
opsn4.SNA ZX Spectrum Snapshot Image
opsn4.SPC Spectrum 512 (Compressed) Image
opsn4.SPS Spectrum 512 (Smooshed) Image
opsn4.SPU Spectrum 512 Image
opsn4.SR Sun Rasterfile
opsn4.SR2 Sony Raw Image File
opsn4.SRF Sony Raw Image File
opsn4.SSI SriSun Image
opsn4.SSP Axialis Screensaver Image
opsn4.ST4 SBIG CCD camera ST-X Image
opsn4.ST4 SBIG CCD camera ST-4 Image
opsn4.ST5 SBIG CCD camera ST-X Image
opsn4.ST6 SBIG CCD camera ST-X Image
opsn4.ST7 SBIG CCD camera ST-X Image
opsn4.ST8 SBIG CCD camera ST-X Image
opsn4.STM PhotoStudio Stamp Image
opsn4.STW Neopaint Stamp Image
opsn4.STX SBIG CCD camera ST-X Image
opsn4.SUL Gfa Raytrace Image
opsn4.SUN Sun Rasterfile
opsn4.SUNIFF Sun TAAC Image
opsn4.SVG Scalable Vector Graphics Image
opsn4.SVGZ GZip Compressed Scalable Vector Graphics Image
opsn4.SYN Synthetic Universe Image
opsn4.SYNU Synthetic Universe Image
opsn4.T1 Male MRI Image
opsn4.T2 Male MRI Image
opsn4.TAAC Sun TAAC Image
opsn4.TAP Oric TAP Image
opsn4.TARGA Truevision Targa Image
opsn4.TDI Explore (TDI) & Maya Image
opsn4.TDIM Digital F/X Image
opsn4.TEX PaintShopPro Texture
opsn4.TG4 TG4 Image
opsn4.TGA Truevision Targa Image
opsn4.THB KinuPix Skin Image
opsn4.TIF Tagged Image File Format Image
opsn4.TIFF Tagged Image File Format Image
opsn4.TIL Buttonz & Tilez texture
opsn4.TILE Eclipse Image
opsn4.TIM Sony Playstation TIM Image
opsn4.TIM TIFF Revision 6 Image
opsn4.TN1 Tiny Image
opsn4.TN2 Tiny Image
opsn4.TN3 Tiny Image
opsn4.TNL Thumbnail Image
opsn4.TNY Tiny Image
opsn4.TTF Optigraphics Tiled Image
opsn4.TUB PaintShopPro Picture Tube Image
opsn4.UPI Ulead PhotoImpact Image
opsn4.URT Utah raster Image
opsn4.UYVY YUV 16Bits Image
opsn4.VDA Video Display Adapter Image
opsn4.VFF Sun TAAC Image
opsn4.VGA Windows Bitmap Image
opsn4.VI Jovian VI Image
opsn4.VIC Vicar Image
opsn4.VICAR Vicar Image
opsn4.VID Vidcom 64 Image
opsn4.VIF Khoros Visualization Image file
opsn4.VIF Verity Image
opsn4.VIFF Khoros Visualization Image file
opsn4.VIT VITec Image
opsn4.VOB Vue d'esprit Image
opsn4.VPB Quantel VPB Image
opsn4.VST Vista Image
opsn4.WAD WAD (Half Life) Image
opsn4.WAL Quake Texture
opsn4.WAP Wireless Bitmap Image
opsn4.WBC WebShots Image
opsn4.WBM Wireless Bitmap Image
opsn4.WBMP Wireless Bitmap Image
opsn4.WBZ WebShots Image
opsn4.WFX WinFAX Image
opsn4.WPG WordPerfect Graphics Image
opsn4.WRL VRML2 Image
opsn4.X Stardent AVS X Image
opsn4.X11 X Windows System Dump Image
opsn4.X3F Raw Image File
opsn4.XAR Xara Image
opsn4.XBM X Bitmap Image
opsn4.XCF Gimp Bitmap Image
opsn4.XIF Xerox DIFF Image
opsn4.XIM Ximage
opsn4.XP0 SecretPhotos Puzzle Image
opsn4.XPM X PixMap Image
opsn4.XV Khoros Visualization Image file
opsn4.XWD X Windows System Dump Image
opsn4.YUV YUV 16Bits Image
opsn4.YUV YUV 4:1:1 Image
opsn4.YUV YUV 4:2:2 Image
opsn4.YUV YUV 4:4:4 Image
opsn4.ZBR Zoner Zebra Metafile
opsn4.ZMF Zoner Callisto Metafile
opsn4.[B] Amica Paint Image
Types of Metadata Files
opsn4.ABT AbiWord Template
opsn4.ASA ASP Configuration File
opsn4.ASX Advanced Stream Redirector
opsn4.B4S Winamp 3+ Playlist
opsn4.BTSEARCH BitTorrent Search File
opsn4.BUP DVD Information File
opsn4.CGM Computer Graphics Metafile
opsn4.CKZ CKZ Checksum File
opsn4.CODE eXtensible Stylesheet Language Transformation File
opsn4.CONFIG Configuration File
opsn4.CRC Cyclic Redundancy Check Checksum File
opsn4.CUE Cue Sheet
opsn4.DOT Microsoft Word Template
opsn4.DOTM Microsoft Word XML Template
opsn4.DOTX Microsoft Open XML Word Template
opsn4.EMF Enhanced Metafile
opsn4.IFO DVD Information File
opsn4.INI Initialization File
opsn4.M3U MP3 Uniform Resource Locator
opsn4.MANIFEST Windows Assembly Manifest File
opsn4.MD5 MD5 Checksum File
opsn4.MET OS/2 Metafile
opsn4.MP TeX Metapost Macro
opsn4.NFO Downloaded Program Information
opsn4.OTP ODF Presentation Template
opsn4.OTS ODF Spreadsheet Template
opsn4.OTT ODF Text Document Template
opsn4.PAR Parity Checksum File
opsn4.PLS Playlist
opsn4.POT Microsoft PowerPoint Template
opsn4.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
opsn4.POTX Microsoft Open XML PowerPoint Template
opsn4.SFV SFV Checksum File
opsn4.SHAPE Dia Shape File
opsn4.SRT DVD Subtitles File
opsn4.STC OpenOffice.org 1.0 Spreadsheet Template
opsn4.STI OpenOffice.org 1.0 Presentation Template
opsn4.STW OpenOffice.org 1.0 Text Document Template
opsn4.SVM StarView MetaFile
opsn4.TEX TeX PSTricks Macro
opsn4.TORRENT BitTorrent Tracker File
opsn4.VLC VLC Media Player Data
opsn4.VOR StarWriter Template
opsn4.VOR StarCalc Template
opsn4.VOR StarImpress Template
opsn4.WMF Windows Metafile
opsn4.XLM Microsoft Excel Macro
opsn4.XLT Microsoft Excel Template
opsn4.XLTM Microsoft Excel XML Template
opsn4.XLTX Microsoft Excel XML Template
opsn4.XLW Microsoft Excel Workspace
opsn4.XSPF XML Shareable Playlist Format
Types of Plugins
opsn4.XPI Firefox Plugin
Types of Presentations
opsn4.ODG ODF Drawing Presentation
opsn4.ODP ODF Presentation
opsn4.PPS Microsoft PowerPoint Show
opsn4.PPSX Microsoft Open XML PowerPoint Show
opsn4.PPT Microsoft PowerPoint Presentation
opsn4.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
opsn4.PPTX Microsoft Open XML PowerPoint Presentation
opsn4.SDA StarDraw Drawing
opsn4.SDD StarDraw Drawing
opsn4.SDD StarImpress Presentation
opsn4.SXD Microsoft OpenOffice.org 1.0 Drawing
opsn4.SXI OpenOffice.org 1.0 Presentation
opsn4.UOF Unified Office Format Presentation
opsn4.UOP Unified Office Format Presentation
Types of Shell Scripts
opsn4.AU3 AutoIt Script
opsn4.BAT Windows Batch File
opsn4.BSH Bash Shell Script
opsn4.SH Unix Shell Script
Types of Source Code
opsn4.ASAX ASP.Net Open XML Configuration File
opsn4.ASP Active Server Page Source File
opsn4.ASPX ASP.Net Open XML Source File
opsn4.C C Source File
opsn4.CGI Perl Source File
opsn4.CPP C++ Source File
opsn4.CS C# Source File
opsn4.CSPROJ C# Project File
opsn4.CSS Cascading Style Sheets Source File
opsn4.CXX C++ Source File
opsn4.H C Header File
opsn4.HPP C++ Header File
opsn4.HTA
opsn4.HTM Hypertext Markup Language Source File
opsn4/value/opsn4 Hypertext Markup Language Source File
opsn4.JAVA JAVA Source File
opsn4.JS JavaScript Source File
opsn4.JSP JavaServer Pages Source File
opsn4.MHT
opsn4./value/opsn4
opsn4.PHP PHP Source File
opsn4.PHP3 PHP3 Source File
opsn4.PL Perl Source File
opsn4.PM Perl Module
opsn4.RC C++ Resource Compiler Script
opsn4./value/opsn4 Server Side Includes/value/opsn4 File
opsn4.SQL SQL Database Query
opsn4.STM Server Side Includes/value/opsn4 File
opsn4.VB Visual Basic .Net Source File
opsn4.VBPROJ Visual Basic .Net Project File
opsn4.VBS Visual Basic Script
opsn4.XAML Extensible Application Markup Language
opsn4.XML Extensible Markup Language
Types of Spreadsheets
opsn4.123 IBM Lotus 1-2-3 Spreadsheet
opsn4.DIF Data Interchange Format Document
opsn4.ODS ODF Spreadsheet
opsn4.PXL Pocket Excel Spreadsheet
opsn4.SDC StarCalc Spreadsheet
opsn4.SLK SYLK Spreadsheet
opsn4.SXC OpenOffice.org 1.0 Spreadsheet
opsn4.UOF Unified Office Format Spreadsheet
opsn4.UOS Unified Office Format Spreadsheet
opsn4.WB2 Quattro Pro Spreadsheet
opsn4.WK1 Lotus 1-2-3 Spreadsheet
opsn4.WKS Lotus 1-2-3 Spreadsheet
opsn4.XLC Microsoft Excel Chart
opsn4.XLS Microsoft Excel Spreadsheet
opsn4.XLSB Microsoft Excel Binary Spreadsheet
opsn4.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
opsn4.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
opsn4.3G2 3G Mobile Phone Video
opsn4.3GP 3G Mobile Phone Video
opsn4.ASF Advanced Systems Format Video
opsn4.AVI Audio Video Interleave
opsn4.BIK Bink Video
opsn4.BIN Binary DVD Video
opsn4.DAT VCD Video
opsn4.DIVX DivX Movie
opsn4.DV Digital Video
opsn4.FLV Flash Video
opsn4.GXF General eXchange Format
opsn4.M1V MPEG-1 Video
opsn4.M2TS MPEG-2 Transport Stream Videos
opsn4.M2V MPEG-2 Video
opsn4.M4V MPEG-4 Video File
opsn4.MKV Matroska Video Stream
opsn4.MOV Apple QuickTime Movie
opsn4.MP4 MPEG-4 Part 14 Multimedia Container
opsn4.MPEG MPEG Video
opsn4.MPEG1 MPEG-1 Video
opsn4.MPEG2 MPEG-2 Video
opsn4.MPEG4 MPEG-4 Video
opsn4.MPG MPEG Video
opsn4.MTS AVCHD Video File
opsn4.MXF Material eXchange Format
opsn4.OGM Ogg Multimedia Container File
opsn4.RM RealMedia Streaming Media File
opsn4.RMVB RealMedia Variable Bitrate Media File
opsn4.SWF Adobe Flash Movie
opsn4.TS DVD Video
opsn4.VOB DVD Video Object
opsn4.WMV Windows Media Video
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