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