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