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