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Types of Assemblies
opp.DLL Dynamic Link Library
opp.EXE Windows Executable File
Types of Audio Files
opp.A52 Dolby Digital AC-3 Compressed Audio File
opp.AAC Advanced Audio Coding Compressed Audio File
opp.AC3 Dolby Digital AC-3 Compressed Audio File
opp.AIF Audio Interchange Format File
opp.APE Monkey's Audio Compressed Audio File
opp.AU Sun / NeXT Audio File
opp.DTS Digital Theater Systems Audio File
opp.FLAC Free Lossless Audio Codec Compressed Audio FIle
opp.M4A MPEG-4 Audio File
opp.M4P Protected AAC File
opp.MID MIDI Audio Sequence
opp.MKA Matroska Audio Stream
opp.MOD MOD Audio File
opp.MP1 MPEG-1 Audio Layer I
opp.MP2 MPEG-1 Audio Layer II
opp.MP3 MPEG-1 Audio Layer 3
opp.OGG Ogg Multimedia Container File
opp.OMA OpenMG Audio File
opp.RA RealMedia Audio File
opp.RAM RealMedia Audio File
opp.SND Sun / NeXT Audio File
opp.SPX Ogg Speex Audio File
opp.WAV Waveform Audio
opp.WMA Windows Media Audio File
opp.WV WavPack Compressed Audio File
opp.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
opp.7Z 7-Zip Compressed Archive
opp.ACE Ace Compressed Archive
opp.ARJ Archived by Robert Jung Compressed Archive
opp.BZ BZip Compressed Archive
opp.BZ2 BZip2 Compressed Archive
opp.CAB Cabinet Compressed Archive
opp.CPIO CPIO Compressed Archive
opp.GZ GNU Zip Compressed Archive
opp.JAR Java Archive
opp.LHA LHA Compressed Archive
opp.LZH Lempel-Ziv and Haruyasu Compressed Archive
opp.R00 WinRAR Archive Partial File
opp.RAR WinRAR Compressed Archive
opp.REV WinRAR Recovery Volume
opp.TAR TAR Archive
opp.TAZ TAR Compressed Archive
opp.TBZ BZip Compressed Tar Archive
opp.TBZ2 BZip2 Compressed Tar Archive
opp.TGZ GZip Compressed Tar Archive
opp.UU Uuencoded File
opp.UUE Uuencoded File
opp.XXE Compressed ASCII Archive
opp.Z Unix Compressed Archive
opp.ZIP Zip Compressed Archive
Types of Data Files
opp.CSV Comma Separated Value Database
opp.DAT Data File
opp.DBF dBASE Database
opp.ICL Icon Library
opp.MNL MathML Data
opp.NWP Magentic Content File
opp.ODB ODF Database
opp.ODF ODF Formula
opp.PART Partially Downloaded File
opp.SMF StarMath Data
opp.SXM OpenOffice.org 1.0 Formula
opp.TMP Temporary File
opp.TXT Comma Separated Value Database
opp.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
opp.B5I B5I Disk Image
opp.B5T B5T Disk Image
opp.BIN Binary Disk Image
opp.BWI BlinkWrite Disk Image
opp.BWT BlinkWrite Disk Image
opp.C2D C2D Disk Image
opp.CCD CCD Disk Image
opp.CD CD Disk Image
opp.CDI CD Image File
opp.CDR Raw CD Audio File
opp.CIF CIF Disk Image
opp.DAO DAO Disk Image
opp.DI Raw CD Audio File
opp.DMG Mac OS X Disk Image
opp.DVD DVD Disk Image
opp.FCD FCD Disk Image
opp.FLP FLP Disk Image
opp.GCD GCD Disk Image
opp.GCM GameCube Image File
opp.GI Global Disk Image
opp.IBB IBB Disk Image
opp.IBP IBP Disk Image
opp.IBQ IsoBuster Disk Image
opp.IMG Disk Image File
opp.ISO ISO 9660 Disk Image
opp.LST DVD Image List
opp.MDF MDF Disk Image
opp.MDS MDS CD/DVD Image
opp.NRG Nero Disk Image
opp.P01 P01 Disk Image
opp.PDI InstantCopy Disc Image
opp.PXI PXI Disk Image
opp.TAO TAO Disk Image
opp.UDI Universal Disk Image
opp.VC4 VC4 Disk Image
opp.VCD Farstone Virtual Drive
opp.VDI Virtuo CD Manager Disk Image
Types of Documents
opp.ABW AbiWord Document
opp.CHM Compiled Help File
opp.DJV DjVu Document
opp.DJVU DjVu Document
opp.DOC Corel WordPerfect Document
opp.DOC Microsoft Word Document
opp.DOCM Microsoft Word XML Document
opp.DOCX Microsoft Open XML Word Document
opp.GAN GanttProject File
opp.HWP Hangul Word Processor Document
opp.LOG Log File
opp.ODM ODF Master Document
opp.ODT ODF Text Document
opp.OTH
opp.PDB Palm AportisDoc Document
opp.PDF Portable Document Format Document
opp.PSW Pocket Word Document
opp.RTF Rich Text Format Document
opp.SDW StarWriter Document
opp.SGL StarWriter Master Document
opp.STW OpenOffice.org 1.0/value/opp Template
opp.SXG OpenOffice.org 1.0 Master Document
opp.SXW OpenOffice.org 1.0 Text Document
opp.TXT Text Document
opp.UOF Unified Office Format Document
opp.UOT Unified Office Format Document
opp.WPD WordPerfect Document
opp.WPS Microsoft Works Document
opp.XML DocBook Document
Types of Images
opp.!S ZX Spectrum Hobetta Image
opp.$C ZX Spectrum Hobetta Image
opp.$S ZX Spectrum Hobetta Image
opp.001 Ricoh Fax Image
opp.001 SmartFax Image
opp.16 LSS16 Image
opp.2BP Pocket PC Bitmap Image
opp.2D Amapi Image
opp.301 Brooktrout 301 Image
opp.3FR Hasselblad 3F RAW Image
opp.411 Mavica Image
opp.4BIT GoDot Image
opp.4BT GoDot Image
opp.73I TI Bitmap Image
opp.82I TI Bitmap Image
opp.83I TI Bitmap Image
opp.85I TI Bitmap Image
opp.86I TI Bitmap Image
opp.89I TI Bitmap Image
opp.92I TI Bitmap Image
opp.A64 Artist 64 Image
opp.ABS Optocat Image
opp.ACE Aces200 Image
opp.ACR Dicom Image
opp.AFX Auto F/X Image
opp.ALIAS Alias Image File
opp.ALS Alias Image File
opp.AMI Amica Paint Image
opp.ANI Animated Mouse Cursor Image
opp.ANI Windows Animated Cursor
opp.ANV AirNav Image
opp.APX Photopaint Image
opp.ARF ARF Image
opp.ARN Astronomical Research Network Image
opp.ART Art Director Image
opp.ART Artisan Image
opp.ART Advanced Art Studio Image
opp.ART Pfs Art Publisher Image
opp.ATK Andrew Toolkit raster object Image
opp.ATT AT&T Group 4 Image
opp.AVS Stardent AVS X Image
opp.B&W ImageLab Image
opp.B16 PCO Image
opp.B3D B3D (images) Image
opp.BFL BFLI Image
opp.BFLI BFLI Image
opp.BFX Bfx Bitware Image
opp.BGA OS/2 Bitmap Image
opp.BIE JBIG Image
opp.BIF byLight Image
opp.BIG Cartes Michelin Image
opp.BLD MegaPaint Image
opp.BLK Amiga IFF Image
opp.BM X11 Bitmap Image
opp.BMC Embroidery Image
opp.BMF BMF Image
opp.BMP Windows Bitmap Image
opp.BMP Alpha Microsystems BMP Image
opp.BMS Playback Bitmap Sequence Image
opp.BOB Bob Raytracer Image
opp.BPX Truevision Targa Image
opp.BRK Brooktrout 301 Image
opp.BRT Brooktrout 301 Image
opp.BS Printfox/Pagefox Image
opp.BTN JustButtons animated bitmap Image
opp.BUM Poser Bump Image
opp.BW Silicon Graphics RGB Image
opp.B_W ImageLab Image
opp.C4 Edmics Image
opp.CAL CALS Raster Image
opp.CALS CALS Raster Image
opp.CAM Casio QV-10/100 Camera Image
opp.CAN Canon Navigator Fax Image
opp.CAR NeoBook Cartoon Image
opp.CAT Photomatrix Image
opp.CBM Fuzzy bitmap Image
opp.CDR Corel Draw Bitmap (preview) Image
opp.CDU CDU Paint Image
opp.CE Computer Eyes, Digital Vision Image
opp.CE1 ComputerEyes Raw Image
opp.CE2 ComputerEyes Raw Image
opp.CEL Kiss Cel Image
opp.CFT Optigraphics Image
opp.CIN Kodak Cineon Image
opp.CIT Intergraph Format Image
opp.CLO Cloe Ray-Tracer Image
opp.CLOE Cloe Ray-Tracer Image
opp.CLP Windows Clipboard Image
opp.CLP PC Paint / Pictor Page Image
opp.CLP GoDot Image
opp.CMP Discorp CMP Image
opp.CMT Chinon ES-1000 digital camera Image
opp.CMU CMU Window Manager Image
opp.CMX Corel Metafile Exchange (preview) Image
opp.CP8 CP8 256 Gray Scale Image
opp.CPI Calamus Image
opp.CPT CorelDraw Photopaint Image
opp.CR2 Raw Image File
opp.CRG Calamus Image
opp.CRW Raw Image File
opp.CT Iris CT Image
opp.CUR Mouse Cursor Image
opp.CURSOR Sun Icon/Cursor
opp.CUT Dr Halo Image
opp.CVP Portrait Image
opp.DAT SPOT Image
opp.DCM Dicom Image
opp.DCR Raw Image File
opp.DCX Multipage PCX Image
opp.DCX Zsoft Multi-page Paintbrush Image
opp.DCX Zsoft Publisher's Paintbrush Image
opp.DD Doodle C64 Image
opp.DDS Microsoft DirectDraw Surface
opp.DIA Dia UML Diagram
opp.DIB Windows Bitmap Image
opp.DIS DKB Ray-Tracer Image
opp.DNG Raw Image File
opp.DOO Doodle Atari Image
opp.DPX DPX Image
opp.DRZ Draz Paint Image
opp.DWF AutoCAD Drawing
opp.DWG AutoCAD Drawing
opp.DXF AutoCAD Drawing eXchange Format Drawing
opp.DXF AutoCAD Drawing
opp.ECC Ecchi Image
opp.EI Electric Image
opp.EIDI Electric Image
opp.EIF Eroiica Image
opp.EMF Enhanced Metafile Format Image
opp.EPA Award Bios Logo
opp.EPS Encapsulated PostScript Image
opp.ESM Enhance Simplex Image
opp.FAC Usenix FaceServer Image
opp.FACE Usenix FaceServer Image
opp.FAX Fax Group 3 Image
opp.FBM Fuzzy bitmap Image
opp.FFF Maggi Hairstyles & Cosmetics Image
opp.FI Flash Image
opp.FIG XFig Drawing
opp.FIT FIT Image
opp.FITS Flexible Image Transport System Image
opp.FLC Autodesk Animator Image
opp.FLI Autodesk Animator Image
opp.FPG DIV Game Studio Multi Map Image
opp.FRE Male Normal CT Image
opp.FRM Megalux Frame
opp.FRM PhotoFrame
opp.FSH EA Sports FSH Image
opp.FSY PhotoFantasy Image
opp.FTS Flexible Image Transport System Image
opp.FXO WinFAX Image
opp.FXS WinFAX Image
opp.G3 Fax Group 3 Image
opp.G3N Imaging Fax Image
opp.G4 Access Image
opp.GAF Total Annihilation Image
opp.GB Printfox/Pagefox Image
opp.GBR Gimp Brush Image
opp.GEM Digital Research (GEM Paint) Image
opp.GEO GeoPaint Image
opp.GG Koala Paint (Compressed) Image
opp.GIF Graphics Interchange Format Image
opp.GIFF CompuServe GIF Image
opp.GM Autologic Image
opp.GM2 Autologic Image
opp.GM4 Autologic Image
opp.GRB HP-48/49 GROB Image
opp.GREY Raw Image
opp.GRO HP-48/49 GROB Image
opp.GRY Raw Image
opp.HDR Apollo HDRU Image
opp.HDR ArcInfo Binary Image
opp.HDRU Apollo HDRU Image
opp.HED Hi-Eddi Image
opp.HF HF Image
opp.HIR Hires C64 Image
opp.HPGL HP Graphics Language Image
opp.HPI Hemera Photo Image
opp.HR TRS 80 Image
opp.HRU HRU Image
opp.HRZ Slow Scan Television Image
opp.HTA Hemera Thumbs Image
opp.I17 Pixel Power Collage Image
opp.I18 Pixel Power Collage Image
opp.IB7 Pixel Power Collage Image
opp.ICA IOCA Image
opp.ICB Image Capture Board Image
opp.ICN RIPTerm Image
opp.ICNS Macintosh Icon File
opp.ICO Windows Icon File
opp.ICO Sun Icon/Cursor
opp.ICON Sun Icon/Cursor
opp.IDC Core IDC Image
opp.IF9 Pixel Power Collage Image
opp.IFF Explore (TDI) & Maya Image
opp.IFF Sun TAAC Image
opp.IFF Amiga IFF Image
opp.IIM Inshape Image
opp.IIMG Interleaf Image
opp.ILBM Deluxe Paint, Electronic Arts Image
opp.IM AIM Grey Scale Image
opp.IM5 IM5 (Visilog) Image
opp.IMA AIM Grey Scale Image
opp.IMG ADEX Image
opp.IMG Digital Research (GEM Paint) Image
opp.IMG Imaging Technology Image
opp.IMG Img Software Set Image
opp.IMG Microtek Eyestar Image
opp.IMG Planetary Data System Image
opp.IMG Radiance Image
opp.IMG Sharp GPB Image
opp.IMG Starbase Image
opp.IMG Vivid Ray-Tracer Image
opp.IMG Autocad CAD-Camera Image
opp.IMG Datacopy Image
opp.IMG Vicar Image
opp.IMT IMNET Image
opp.INFO Amiga icon
opp.IOCA IOCA Image
opp.IPG Mindjongg Format Image
opp.IPH InterPaint (Hires) Image
opp.IPT InterPaint (Multicolor) Image
opp.IRIS Iris graphic Image
opp.IRIS Silicon Graphics RGB Image
opp.ISH Image Speeder Image
opp.ISM Image System (Multicolor) Image
opp.ISS ISS Image
opp.ITG Intergraph Format Image
opp.IVB Truevision Targa Image
opp.J JPEG / JFIF Image
opp.J2K LuraWave JPEG-2000 Format Image
opp.J6I Ricoh Digital Camera Image
opp.JBF PaintShopPro Browser Cache File
opp.JBG JBIG Image
opp.JBIG JBIG Image
opp.JFIF Joint Photographic Experts Group Image
opp.JIF Joint Photographic Experts Group Image
opp.JIF Jeff's Image Format Image
opp.JJ Doodle C64 (Compressed) Image
opp.JLS JPEG-LS Image
opp.JNG Jpeg Network Graphics Image
opp.JP2 LuraWave JPEG-2000 Format Image
opp.JPC LuraWave JPEG-2000 Code Stream Image
opp.JPE Joint Photographic Experts Group Image
opp.JPEG Joint Photographic Experts Group Image
opp.JPG Joint Photographic Experts Group Image
opp.JPS Stereo Image
opp.JPX LuraWave JPEG-2000 Format Image
opp.JTF Hayes JTFax Image
opp.K25 Kodak DC25 Camera Image
opp.KDC Raw Image File
opp.KFX Kofax Group 4 Image
opp.KOA Koala Paint Image
opp.KPS IBM Kips Image
opp.KQP Konica Camera File
opp.LBM Deluxe Paint, Electronic Arts Image
opp.LDA LaserData Image
opp.LFF LucasFilm Format Image
opp.LIF Homeworld Texture
opp.LVP LView Pro Image
opp.LWI Light Work Image
opp.M8 Heretic II MipMap Image
opp.MAC Mac Paint Image
opp.MACP Mac Paint Image
opp.MAG MAGIchan Graphics Image
opp.MAP DIV Game Studio Map Image
opp.MAP Fenix Map Image
opp.MBFAVS Stardent AVS X Image
opp.MBFS Stardent AVS X Image
opp.MBM Psion Serie 5 Bitmap Image
opp.MDI Microsoft Document Imaging Image
opp.MDL Half-Life Model Image
opp.MGR MGR bitmap Image
opp.MIF Image Magick file
opp.MIFF Image Magick file
opp.MIL Micro Illustrator Uncompressed Image
opp.MNG Multiple Network Graphics Image
opp.MPNT Mac Paint Image
opp.MRF Marks Russel File
opp.MRW Minolta Raw Image File
opp.MSK PaintShopPro Mask
opp.MSP Microsoft Paint Image
opp.MTV MTV Ray-Tracer Image
opp.MTX Maw-Ware Textures Image
opp.NCD CoverDesigner Image
opp.NCR NCR Image
opp.NCT CoverDesigner Template
opp.NEF Raw Image File
opp.NEO Neochrome (ST & TT) Image
opp.NGG Nokia Group Graphics Image
opp.NITF National Imagery Transmission Image
opp.NLM Nokia Logo File
opp.NOL Nokia Operator Logo
opp.NPM Neopaint Mask
opp.OAZ OAZ Fax Image
opp.OCP Advanced Art Studio Image
opp.OFX Olicom Fax Image
opp.OIL Open Image Library Format Image
opp.ORF Raw Image File
opp.OTB Nokia OTA Image
opp.P64 Picasso 64 Image
opp.P7 XV Visual Schnauzer Image
opp.PAC Stad Image
opp.PAINT Mac Paint Image
opp.PAN SmoothMove Pan Viewer Image
opp.PAT Gimp Pattern
opp.PAT Corel Draw Pattern (preview) Image
opp.PBM Portable Bitmap Image
opp.PBM Portable Bitmap Image
opp.PBT Micro Dynamics MARS Image
opp.PC1 Degas & Degas Elite Image
opp.PC2 Degas & Degas Elite Image
opp.PC3 Degas & Degas Elite Image
opp.PCC Zsoft Publisher's Paintbrush Image
opp.PCD Kodak Photo CD Image
opp.PCL Page Control Language Image
opp.PCT Mac Pict Image
opp.PCT NIST ihdr Image
opp.PCX Zsoft Paintbrush Image
opp.PD Male MRI Image
opp.PDB MonkeyCard Image
opp.PDB MonkeyLogo
opp.PDB Palm Pilot Image
opp.PDB Photo Deluxe Image
opp.PDB TealPaint Image
opp.PDD Photo Deluxe Image
opp.PDN Paint.NET Image
opp.PDS Planetary Data System Image
opp.PDX Mayura Draw Image
opp.PE4 Ulead Texture
opp.PEF Raw Image File
opp.PFR PaintShopPro Frame
opp.PG Printfox/Pagefox Image
opp.PGC Portfolio Graphics Compressed Image
opp.PGF Portfolio Graphics Image
opp.PGM Portable Graymap Image
opp.PHP Adobe PhotoParade Image
opp.PI Blazing Paddles Image
opp.PI1 Degas & Degas Elite Image
opp.PI2 Degas & Degas Elite Image
opp.PI3 Degas & Degas Elite Image
opp.PI4 Degas & Degas Elite Image
opp.PI5 Degas & Degas Elite Image
opp.PI6 Degas & Degas Elite Image
opp.PIC Macintosh Quickdraw/Pict Image
opp.PIC PC Paint / Pictor Page Image
opp.PIC Pixar Image
opp.PIC Radiance Image
opp.PIC Rayshade Image
opp.PIC Advanced Art Studio Image
opp.PIC Bio-Rad confocal Image
opp.PIC Psion Serie 3 Bitmap Image
opp.PIC Softimage
opp.PIC Stad Image
opp.PIC WinMIPS Image
opp.PICIO Pixar Image
opp.PICT Macintosh Quickdraw/Pict Image
opp.PICT2 Macintosh Quickdraw/Pict Image
opp.PIG Ricoh IS30 Image
opp.PIX Alias Image File
opp.PIX Truevision Targa Image
opp.PIX Vort Image
opp.PIX ESM Software Pix Image
opp.PIX PABX Image
opp.PIXAR Pixar Image
opp.PLT HP Graphics Language Image
opp.PM X11 Pixmap Image
opp.PM PM Image
opp.PMG Paint Magic Image
opp.PMP Sony DSC-F1 Cyber-shot Image
opp.PNG Portable Network Graphic Image
opp.PNM Portable Image
opp.PNT Mac Paint Image
opp.PNTG Mac Paint Image
opp.PP4 Micrografx Picture Publisher 4.0 Image
opp.PP5 Micrografx Picture Publisher 5.0 Image
opp.PPM Portable Pixelmap Image
opp.PPP Punk Productions Picture
opp.PR Sun Icon/Cursor
opp.PRC Picture Gear Pocket Image
opp.PRF Polychrome Recursive Format Image
opp.PRI Prisms Image
opp.PSD Adobe Photoshop Image
opp.PSE IBM Printer Page Segment Image
opp.PSF PhotoStudio File
opp.PSP PaintShopPro Image
opp.PST Ulead Pattern
opp.PWP Seattle Film Works multi-image
opp.PXA Pixia Image
opp.PXA Pegs Image
opp.PXB Pixibox Image
opp.PXR Pixar Image
opp.PXS Pegs Image
opp.PZL Puzzle Image
opp.PZP MGI Photosuite Project Image
opp.Q0 Q0 Image
opp.QDV Qdv (Random Dot Software) Image
opp.QRT Qrt Ray-Tracer Image
opp.QTI QuickTime Image Format Image
opp.QTIF QuickTime Image Format Image
opp.QTL YUV 16Bits Image
opp.QTL YUV 4:4:4 Image
opp.QTL YUV 4:1:1 Image
opp.QTL YUV 4:2:2 Image
opp.RAD Radiance Image
opp.RAF Raw Image File
opp.RAS Sun Raster Image
opp.RAST Sun Rasterfile
opp.RAW Raw Image File
opp.RGB Q0 Image
opp.RGB Silicon Graphics RGB Image
opp.RGBA Silicon Graphics RGB Image
opp.RGH ZZ Rough Image
opp.RIX ColoRIX Image
opp.RL4 Windows Bitmap Image
opp.RL8 Windows Bitmap Image
opp.RLA Wavefront Raster Image
opp.RLB Wavefront Raster Image
opp.RLC Image Systems RLC2 Graphic Image
opp.RLE ADEX Image
opp.RLE Intergraph Format Image
opp.RLE Utah raster Image
opp.RLE Windows Bitmap Image
opp.RP Rainbow Painter Image
opp.RPBM Portable Bitmap Image
opp.RPGM Portable Greyscale Image
opp.RPM RunPaint (Multicolor) Image
opp.RPNM Portable Image
opp.RPPM Portable Image
opp.RS Sun Rasterfile
opp.RSB Red Storm Image
opp.SAR Saracen Paint Image
opp.SC2 Msx 2 Screen Image
opp.SCI SciFax Image
opp.SCI ColoRIX Image
opp.SCR Sun Rasterfile
opp.SCR ZX Spectrum Standard Screen Image
opp.SCT SciTex Continuous Tone Image
opp.SCX ColoRIX Image
opp.SD0 Dali Raw Image
opp.SD1 Dali Raw Image
opp.SD2 Dali Raw Image
opp.SDG Star Office Gallery Image
opp.SDT SmartDraw 6 Template
opp.SEQ Stad Image
opp.SFW Seattle Film Works Image
opp.SGF StarWriter Graphics Format Image
opp.SGI Silicon Graphics RGB Image
opp.SGV StarDraw Image
opp.SI Softimage
opp.SIM Aurora Image
opp.SIR BYU SIR Image
opp.SIR Solitaire Image Recorder Image
opp.SJ1 Sega SJ-1 DIGIO Image
opp.SKF Autodesk SKETCH thumbnail Image
opp.SKN Skantek Image
opp.SKP Autodesk SketchUp component Image
opp.SMP Xionics SMP Image
opp.SNA ZX Spectrum Snapshot Image
opp.SPC Spectrum 512 (Compressed) Image
opp.SPS Spectrum 512 (Smooshed) Image
opp.SPU Spectrum 512 Image
opp.SR Sun Rasterfile
opp.SR2 Sony Raw Image File
opp.SRF Sony Raw Image File
opp.SSI SriSun Image
opp.SSP Axialis Screensaver Image
opp.ST4 SBIG CCD camera ST-X Image
opp.ST4 SBIG CCD camera ST-4 Image
opp.ST5 SBIG CCD camera ST-X Image
opp.ST6 SBIG CCD camera ST-X Image
opp.ST7 SBIG CCD camera ST-X Image
opp.ST8 SBIG CCD camera ST-X Image
opp.STM PhotoStudio Stamp Image
opp.STW Neopaint Stamp Image
opp.STX SBIG CCD camera ST-X Image
opp.SUL Gfa Raytrace Image
opp.SUN Sun Rasterfile
opp.SUNIFF Sun TAAC Image
opp.SVG Scalable Vector Graphics Image
opp.SVGZ GZip Compressed Scalable Vector Graphics Image
opp.SYN Synthetic Universe Image
opp.SYNU Synthetic Universe Image
opp.T1 Male MRI Image
opp.T2 Male MRI Image
opp.TAAC Sun TAAC Image
opp.TAP Oric TAP Image
opp.TARGA Truevision Targa Image
opp.TDI Explore (TDI) & Maya Image
opp.TDIM Digital F/X Image
opp.TEX PaintShopPro Texture
opp.TG4 TG4 Image
opp.TGA Truevision Targa Image
opp.THB KinuPix Skin Image
opp.TIF Tagged Image File Format Image
opp.TIFF Tagged Image File Format Image
opp.TIL Buttonz & Tilez texture
opp.TILE Eclipse Image
opp.TIM Sony Playstation TIM Image
opp.TIM TIFF Revision 6 Image
opp.TN1 Tiny Image
opp.TN2 Tiny Image
opp.TN3 Tiny Image
opp.TNL Thumbnail Image
opp.TNY Tiny Image
opp.TTF Optigraphics Tiled Image
opp.TUB PaintShopPro Picture Tube Image
opp.UPI Ulead PhotoImpact Image
opp.URT Utah raster Image
opp.UYVY YUV 16Bits Image
opp.VDA Video Display Adapter Image
opp.VFF Sun TAAC Image
opp.VGA Windows Bitmap Image
opp.VI Jovian VI Image
opp.VIC Vicar Image
opp.VICAR Vicar Image
opp.VID Vidcom 64 Image
opp.VIF Khoros Visualization Image file
opp.VIF Verity Image
opp.VIFF Khoros Visualization Image file
opp.VIT VITec Image
opp.VOB Vue d'esprit Image
opp.VPB Quantel VPB Image
opp.VST Vista Image
opp.WAD WAD (Half Life) Image
opp.WAL Quake Texture
opp.WAP Wireless Bitmap Image
opp.WBC WebShots Image
opp.WBM Wireless Bitmap Image
opp.WBMP Wireless Bitmap Image
opp.WBZ WebShots Image
opp.WFX WinFAX Image
opp.WPG WordPerfect Graphics Image
opp.WRL VRML2 Image
opp.X Stardent AVS X Image
opp.X11 X Windows System Dump Image
opp.X3F Raw Image File
opp.XAR Xara Image
opp.XBM X Bitmap Image
opp.XCF Gimp Bitmap Image
opp.XIF Xerox DIFF Image
opp.XIM Ximage
opp.XP0 SecretPhotos Puzzle Image
opp.XPM X PixMap Image
opp.XV Khoros Visualization Image file
opp.XWD X Windows System Dump Image
opp.YUV YUV 16Bits Image
opp.YUV YUV 4:1:1 Image
opp.YUV YUV 4:2:2 Image
opp.YUV YUV 4:4:4 Image
opp.ZBR Zoner Zebra Metafile
opp.ZMF Zoner Callisto Metafile
opp.[B] Amica Paint Image
Types of Metadata Files
opp.ABT AbiWord Template
opp.ASA ASP Configuration File
opp.ASX Advanced Stream Redirector
opp.B4S Winamp 3+ Playlist
opp.BTSEARCH BitTorrent Search File
opp.BUP DVD Information File
opp.CGM Computer Graphics Metafile
opp.CKZ CKZ Checksum File
opp.CODE eXtensible Stylesheet Language Transformation File
opp.CONFIG Configuration File
opp.CRC Cyclic Redundancy Check Checksum File
opp.CUE Cue Sheet
opp.DOT Microsoft Word Template
opp.DOTM Microsoft Word XML Template
opp.DOTX Microsoft Open XML Word Template
opp.EMF Enhanced Metafile
opp.IFO DVD Information File
opp.INI Initialization File
opp.M3U MP3 Uniform Resource Locator
opp.MANIFEST Windows Assembly Manifest File
opp.MD5 MD5 Checksum File
opp.MET OS/2 Metafile
opp.MP TeX Metapost Macro
opp.NFO Downloaded Program Information
opp.OTP ODF Presentation Template
opp.OTS ODF Spreadsheet Template
opp.OTT ODF Text Document Template
opp.PAR Parity Checksum File
opp.PLS Playlist
opp.POT Microsoft PowerPoint Template
opp.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
opp.POTX Microsoft Open XML PowerPoint Template
opp.SFV SFV Checksum File
opp.SHAPE Dia Shape File
opp.SRT DVD Subtitles File
opp.STC OpenOffice.org 1.0 Spreadsheet Template
opp.STI OpenOffice.org 1.0 Presentation Template
opp.STW OpenOffice.org 1.0 Text Document Template
opp.SVM StarView MetaFile
opp.TEX TeX PSTricks Macro
opp.TORRENT BitTorrent Tracker File
opp.VLC VLC Media Player Data
opp.VOR StarWriter Template
opp.VOR StarCalc Template
opp.VOR StarImpress Template
opp.WMF Windows Metafile
opp.XLM Microsoft Excel Macro
opp.XLT Microsoft Excel Template
opp.XLTM Microsoft Excel XML Template
opp.XLTX Microsoft Excel XML Template
opp.XLW Microsoft Excel Workspace
opp.XSPF XML Shareable Playlist Format
Types of Plugins
opp.XPI Firefox Plugin
Types of Presentations
opp.ODG ODF Drawing Presentation
opp.ODP ODF Presentation
opp.PPS Microsoft PowerPoint Show
opp.PPSX Microsoft Open XML PowerPoint Show
opp.PPT Microsoft PowerPoint Presentation
opp.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
opp.PPTX Microsoft Open XML PowerPoint Presentation
opp.SDA StarDraw Drawing
opp.SDD StarDraw Drawing
opp.SDD StarImpress Presentation
opp.SXD Microsoft OpenOffice.org 1.0 Drawing
opp.SXI OpenOffice.org 1.0 Presentation
opp.UOF Unified Office Format Presentation
opp.UOP Unified Office Format Presentation
Types of Shell Scripts
opp.AU3 AutoIt Script
opp.BAT Windows Batch File
opp.BSH Bash Shell Script
opp.SH Unix Shell Script
Types of Source Code
opp.ASAX ASP.Net Open XML Configuration File
opp.ASP Active Server Page Source File
opp.ASPX ASP.Net Open XML Source File
opp.C C Source File
opp.CGI Perl Source File
opp.CPP C++ Source File
opp.CS C# Source File
opp.CSPROJ C# Project File
opp.CSS Cascading Style Sheets Source File
opp.CXX C++ Source File
opp.H C Header File
opp.HPP C++ Header File
opp.HTA
opp.HTM Hypertext Markup Language Source File
opp/value/opp Hypertext Markup Language Source File
opp.JAVA JAVA Source File
opp.JS JavaScript Source File
opp.JSP JavaServer Pages Source File
opp.MHT
opp./value/opp
opp.PHP PHP Source File
opp.PHP3 PHP3 Source File
opp.PL Perl Source File
opp.PM Perl Module
opp.RC C++ Resource Compiler Script
opp./value/opp Server Side Includes/value/opp File
opp.SQL SQL Database Query
opp.STM Server Side Includes/value/opp File
opp.VB Visual Basic .Net Source File
opp.VBPROJ Visual Basic .Net Project File
opp.VBS Visual Basic Script
opp.XAML Extensible Application Markup Language
opp.XML Extensible Markup Language
Types of Spreadsheets
opp.123 IBM Lotus 1-2-3 Spreadsheet
opp.DIF Data Interchange Format Document
opp.ODS ODF Spreadsheet
opp.PXL Pocket Excel Spreadsheet
opp.SDC StarCalc Spreadsheet
opp.SLK SYLK Spreadsheet
opp.SXC OpenOffice.org 1.0 Spreadsheet
opp.UOF Unified Office Format Spreadsheet
opp.UOS Unified Office Format Spreadsheet
opp.WB2 Quattro Pro Spreadsheet
opp.WK1 Lotus 1-2-3 Spreadsheet
opp.WKS Lotus 1-2-3 Spreadsheet
opp.XLC Microsoft Excel Chart
opp.XLS Microsoft Excel Spreadsheet
opp.XLSB Microsoft Excel Binary Spreadsheet
opp.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
opp.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
opp.3G2 3G Mobile Phone Video
opp.3GP 3G Mobile Phone Video
opp.ASF Advanced Systems Format Video
opp.AVI Audio Video Interleave
opp.BIK Bink Video
opp.BIN Binary DVD Video
opp.DAT VCD Video
opp.DIVX DivX Movie
opp.DV Digital Video
opp.FLV Flash Video
opp.GXF General eXchange Format
opp.M1V MPEG-1 Video
opp.M2TS MPEG-2 Transport Stream Videos
opp.M2V MPEG-2 Video
opp.M4V MPEG-4 Video File
opp.MKV Matroska Video Stream
opp.MOV Apple QuickTime Movie
opp.MP4 MPEG-4 Part 14 Multimedia Container
opp.MPEG MPEG Video
opp.MPEG1 MPEG-1 Video
opp.MPEG2 MPEG-2 Video
opp.MPEG4 MPEG-4 Video
opp.MPG MPEG Video
opp.MTS AVCHD Video File
opp.MXF Material eXchange Format
opp.OGM Ogg Multimedia Container File
opp.RM RealMedia Streaming Media File
opp.RMVB RealMedia Variable Bitrate Media File
opp.SWF Adobe Flash Movie
opp.TS DVD Video
opp.VOB DVD Video Object
opp.WMV Windows Media Video
aopp   bopp   copp   dopp   eopp   fopp   gopp   hopp   iopp   jopp   kopp   lopp   mopp   nopp   oopp   popp   qopp   ropp   sopp   topp   uopp   vopp   wopp   xopp   yopp   zopp   0opp   1opp   2opp   3opp   4opp   5opp   6opp   7opp   8opp   9opp