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Types of Assemblies
21q.DLL Dynamic Link Library
21q.EXE Windows Executable File
Types of Audio Files
21q.A52 Dolby Digital AC-3 Compressed Audio File
21q.AAC Advanced Audio Coding Compressed Audio File
21q.AC3 Dolby Digital AC-3 Compressed Audio File
21q.AIF Audio Interchange Format File
21q.APE Monkey's Audio Compressed Audio File
21q.AU Sun / NeXT Audio File
21q.DTS Digital Theater Systems Audio File
21q.FLAC Free Lossless Audio Codec Compressed Audio FIle
21q.M4A MPEG-4 Audio File
21q.M4P Protected AAC File
21q.MID MIDI Audio Sequence
21q.MKA Matroska Audio Stream
21q.MOD MOD Audio File
21q.MP1 MPEG-1 Audio Layer I
21q.MP2 MPEG-1 Audio Layer II
21q.MP3 MPEG-1 Audio Layer 3
21q.OGG Ogg Multimedia Container File
21q.OMA OpenMG Audio File
21q.RA RealMedia Audio File
21q.RAM RealMedia Audio File
21q.SND Sun / NeXT Audio File
21q.SPX Ogg Speex Audio File
21q.WAV Waveform Audio
21q.WMA Windows Media Audio File
21q.WV WavPack Compressed Audio File
21q.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
21q.7Z 7-Zip Compressed Archive
21q.ACE Ace Compressed Archive
21q.ARJ Archived by Robert Jung Compressed Archive
21q.BZ BZip Compressed Archive
21q.BZ2 BZip2 Compressed Archive
21q.CAB Cabinet Compressed Archive
21q.CPIO CPIO Compressed Archive
21q.GZ GNU Zip Compressed Archive
21q.JAR Java Archive
21q.LHA LHA Compressed Archive
21q.LZH Lempel-Ziv and Haruyasu Compressed Archive
21q.R00 WinRAR Archive Partial File
21q.RAR WinRAR Compressed Archive
21q.REV WinRAR Recovery Volume
21q.TAR TAR Archive
21q.TAZ TAR Compressed Archive
21q.TBZ BZip Compressed Tar Archive
21q.TBZ2 BZip2 Compressed Tar Archive
21q.TGZ GZip Compressed Tar Archive
21q.UU Uuencoded File
21q.UUE Uuencoded File
21q.XXE Compressed ASCII Archive
21q.Z Unix Compressed Archive
21q.ZIP Zip Compressed Archive
Types of Data Files
21q.CSV Comma Separated Value Database
21q.DAT Data File
21q.DBF dBASE Database
21q.ICL Icon Library
21q.MNL MathML Data
21q.NWP Magentic Content File
21q.ODB ODF Database
21q.ODF ODF Formula
21q.PART Partially Downloaded File
21q.SMF StarMath Data
21q.SXM OpenOffice.org 1.0 Formula
21q.TMP Temporary File
21q.TXT Comma Separated Value Database
21q.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
21q.B5I B5I Disk Image
21q.B5T B5T Disk Image
21q.BIN Binary Disk Image
21q.BWI BlinkWrite Disk Image
21q.BWT BlinkWrite Disk Image
21q.C2D C2D Disk Image
21q.CCD CCD Disk Image
21q.CD CD Disk Image
21q.CDI CD Image File
21q.CDR Raw CD Audio File
21q.CIF CIF Disk Image
21q.DAO DAO Disk Image
21q.DI Raw CD Audio File
21q.DMG Mac OS X Disk Image
21q.DVD DVD Disk Image
21q.FCD FCD Disk Image
21q.FLP FLP Disk Image
21q.GCD GCD Disk Image
21q.GCM GameCube Image File
21q.GI Global Disk Image
21q.IBB IBB Disk Image
21q.IBP IBP Disk Image
21q.IBQ IsoBuster Disk Image
21q.IMG Disk Image File
21q.ISO ISO 9660 Disk Image
21q.LST DVD Image List
21q.MDF MDF Disk Image
21q.MDS MDS CD/DVD Image
21q.NRG Nero Disk Image
21q.P01 P01 Disk Image
21q.PDI InstantCopy Disc Image
21q.PXI PXI Disk Image
21q.TAO TAO Disk Image
21q.UDI Universal Disk Image
21q.VC4 VC4 Disk Image
21q.VCD Farstone Virtual Drive
21q.VDI Virtuo CD Manager Disk Image
Types of Documents
21q.ABW AbiWord Document
21q.CHM Compiled Help File
21q.DJV DjVu Document
21q.DJVU DjVu Document
21q.DOC Corel WordPerfect Document
21q.DOC Microsoft Word Document
21q.DOCM Microsoft Word XML Document
21q.DOCX Microsoft Open XML Word Document
21q.GAN GanttProject File
21q.HWP Hangul Word Processor Document
21q.LOG Log File
21q.ODM ODF Master Document
21q.ODT ODF Text Document
21q.OTH
21q.PDB Palm AportisDoc Document
21q.PDF Portable Document Format Document
21q.PSW Pocket Word Document
21q.RTF Rich Text Format Document
21q.SDW StarWriter Document
21q.SGL StarWriter Master Document
21q.STW OpenOffice.org 1.0/value/21q Template
21q.SXG OpenOffice.org 1.0 Master Document
21q.SXW OpenOffice.org 1.0 Text Document
21q.TXT Text Document
21q.UOF Unified Office Format Document
21q.UOT Unified Office Format Document
21q.WPD WordPerfect Document
21q.WPS Microsoft Works Document
21q.XML DocBook Document
Types of Images
21q.!S ZX Spectrum Hobetta Image
21q.$C ZX Spectrum Hobetta Image
21q.$S ZX Spectrum Hobetta Image
21q.001 Ricoh Fax Image
21q.001 SmartFax Image
21q.16 LSS16 Image
21q.2BP Pocket PC Bitmap Image
21q.2D Amapi Image
21q.301 Brooktrout 301 Image
21q.3FR Hasselblad 3F RAW Image
21q.411 Mavica Image
21q.4BIT GoDot Image
21q.4BT GoDot Image
21q.73I TI Bitmap Image
21q.82I TI Bitmap Image
21q.83I TI Bitmap Image
21q.85I TI Bitmap Image
21q.86I TI Bitmap Image
21q.89I TI Bitmap Image
21q.92I TI Bitmap Image
21q.A64 Artist 64 Image
21q.ABS Optocat Image
21q.ACE Aces200 Image
21q.ACR Dicom Image
21q.AFX Auto F/X Image
21q.ALIAS Alias Image File
21q.ALS Alias Image File
21q.AMI Amica Paint Image
21q.ANI Animated Mouse Cursor Image
21q.ANI Windows Animated Cursor
21q.ANV AirNav Image
21q.APX Photopaint Image
21q.ARF ARF Image
21q.ARN Astronomical Research Network Image
21q.ART Art Director Image
21q.ART Artisan Image
21q.ART Advanced Art Studio Image
21q.ART Pfs Art Publisher Image
21q.ATK Andrew Toolkit raster object Image
21q.ATT AT&T Group 4 Image
21q.AVS Stardent AVS X Image
21q.B&W ImageLab Image
21q.B16 PCO Image
21q.B3D B3D (images) Image
21q.BFL BFLI Image
21q.BFLI BFLI Image
21q.BFX Bfx Bitware Image
21q.BGA OS/2 Bitmap Image
21q.BIE JBIG Image
21q.BIF byLight Image
21q.BIG Cartes Michelin Image
21q.BLD MegaPaint Image
21q.BLK Amiga IFF Image
21q.BM X11 Bitmap Image
21q.BMC Embroidery Image
21q.BMF BMF Image
21q.BMP Windows Bitmap Image
21q.BMP Alpha Microsystems BMP Image
21q.BMS Playback Bitmap Sequence Image
21q.BOB Bob Raytracer Image
21q.BPX Truevision Targa Image
21q.BRK Brooktrout 301 Image
21q.BRT Brooktrout 301 Image
21q.BS Printfox/Pagefox Image
21q.BTN JustButtons animated bitmap Image
21q.BUM Poser Bump Image
21q.BW Silicon Graphics RGB Image
21q.B_W ImageLab Image
21q.C4 Edmics Image
21q.CAL CALS Raster Image
21q.CALS CALS Raster Image
21q.CAM Casio QV-10/100 Camera Image
21q.CAN Canon Navigator Fax Image
21q.CAR NeoBook Cartoon Image
21q.CAT Photomatrix Image
21q.CBM Fuzzy bitmap Image
21q.CDR Corel Draw Bitmap (preview) Image
21q.CDU CDU Paint Image
21q.CE Computer Eyes, Digital Vision Image
21q.CE1 ComputerEyes Raw Image
21q.CE2 ComputerEyes Raw Image
21q.CEL Kiss Cel Image
21q.CFT Optigraphics Image
21q.CIN Kodak Cineon Image
21q.CIT Intergraph Format Image
21q.CLO Cloe Ray-Tracer Image
21q.CLOE Cloe Ray-Tracer Image
21q.CLP Windows Clipboard Image
21q.CLP PC Paint / Pictor Page Image
21q.CLP GoDot Image
21q.CMP Discorp CMP Image
21q.CMT Chinon ES-1000 digital camera Image
21q.CMU CMU Window Manager Image
21q.CMX Corel Metafile Exchange (preview) Image
21q.CP8 CP8 256 Gray Scale Image
21q.CPI Calamus Image
21q.CPT CorelDraw Photopaint Image
21q.CR2 Raw Image File
21q.CRG Calamus Image
21q.CRW Raw Image File
21q.CT Iris CT Image
21q.CUR Mouse Cursor Image
21q.CURSOR Sun Icon/Cursor
21q.CUT Dr Halo Image
21q.CVP Portrait Image
21q.DAT SPOT Image
21q.DCM Dicom Image
21q.DCR Raw Image File
21q.DCX Multipage PCX Image
21q.DCX Zsoft Multi-page Paintbrush Image
21q.DCX Zsoft Publisher's Paintbrush Image
21q.DD Doodle C64 Image
21q.DDS Microsoft DirectDraw Surface
21q.DIA Dia UML Diagram
21q.DIB Windows Bitmap Image
21q.DIS DKB Ray-Tracer Image
21q.DNG Raw Image File
21q.DOO Doodle Atari Image
21q.DPX DPX Image
21q.DRZ Draz Paint Image
21q.DWF AutoCAD Drawing
21q.DWG AutoCAD Drawing
21q.DXF AutoCAD Drawing eXchange Format Drawing
21q.DXF AutoCAD Drawing
21q.ECC Ecchi Image
21q.EI Electric Image
21q.EIDI Electric Image
21q.EIF Eroiica Image
21q.EMF Enhanced Metafile Format Image
21q.EPA Award Bios Logo
21q.EPS Encapsulated PostScript Image
21q.ESM Enhance Simplex Image
21q.FAC Usenix FaceServer Image
21q.FACE Usenix FaceServer Image
21q.FAX Fax Group 3 Image
21q.FBM Fuzzy bitmap Image
21q.FFF Maggi Hairstyles & Cosmetics Image
21q.FI Flash Image
21q.FIG XFig Drawing
21q.FIT FIT Image
21q.FITS Flexible Image Transport System Image
21q.FLC Autodesk Animator Image
21q.FLI Autodesk Animator Image
21q.FPG DIV Game Studio Multi Map Image
21q.FRE Male Normal CT Image
21q.FRM Megalux Frame
21q.FRM PhotoFrame
21q.FSH EA Sports FSH Image
21q.FSY PhotoFantasy Image
21q.FTS Flexible Image Transport System Image
21q.FXO WinFAX Image
21q.FXS WinFAX Image
21q.G3 Fax Group 3 Image
21q.G3N Imaging Fax Image
21q.G4 Access Image
21q.GAF Total Annihilation Image
21q.GB Printfox/Pagefox Image
21q.GBR Gimp Brush Image
21q.GEM Digital Research (GEM Paint) Image
21q.GEO GeoPaint Image
21q.GG Koala Paint (Compressed) Image
21q.GIF Graphics Interchange Format Image
21q.GIFF CompuServe GIF Image
21q.GM Autologic Image
21q.GM2 Autologic Image
21q.GM4 Autologic Image
21q.GRB HP-48/49 GROB Image
21q.GREY Raw Image
21q.GRO HP-48/49 GROB Image
21q.GRY Raw Image
21q.HDR Apollo HDRU Image
21q.HDR ArcInfo Binary Image
21q.HDRU Apollo HDRU Image
21q.HED Hi-Eddi Image
21q.HF HF Image
21q.HIR Hires C64 Image
21q.HPGL HP Graphics Language Image
21q.HPI Hemera Photo Image
21q.HR TRS 80 Image
21q.HRU HRU Image
21q.HRZ Slow Scan Television Image
21q.HTA Hemera Thumbs Image
21q.I17 Pixel Power Collage Image
21q.I18 Pixel Power Collage Image
21q.IB7 Pixel Power Collage Image
21q.ICA IOCA Image
21q.ICB Image Capture Board Image
21q.ICN RIPTerm Image
21q.ICNS Macintosh Icon File
21q.ICO Windows Icon File
21q.ICO Sun Icon/Cursor
21q.ICON Sun Icon/Cursor
21q.IDC Core IDC Image
21q.IF9 Pixel Power Collage Image
21q.IFF Explore (TDI) & Maya Image
21q.IFF Sun TAAC Image
21q.IFF Amiga IFF Image
21q.IIM Inshape Image
21q.IIMG Interleaf Image
21q.ILBM Deluxe Paint, Electronic Arts Image
21q.IM AIM Grey Scale Image
21q.IM5 IM5 (Visilog) Image
21q.IMA AIM Grey Scale Image
21q.IMG ADEX Image
21q.IMG Digital Research (GEM Paint) Image
21q.IMG Imaging Technology Image
21q.IMG Img Software Set Image
21q.IMG Microtek Eyestar Image
21q.IMG Planetary Data System Image
21q.IMG Radiance Image
21q.IMG Sharp GPB Image
21q.IMG Starbase Image
21q.IMG Vivid Ray-Tracer Image
21q.IMG Autocad CAD-Camera Image
21q.IMG Datacopy Image
21q.IMG Vicar Image
21q.IMT IMNET Image
21q.INFO Amiga icon
21q.IOCA IOCA Image
21q.IPG Mindjongg Format Image
21q.IPH InterPaint (Hires) Image
21q.IPT InterPaint (Multicolor) Image
21q.IRIS Iris graphic Image
21q.IRIS Silicon Graphics RGB Image
21q.ISH Image Speeder Image
21q.ISM Image System (Multicolor) Image
21q.ISS ISS Image
21q.ITG Intergraph Format Image
21q.IVB Truevision Targa Image
21q.J JPEG / JFIF Image
21q.J2K LuraWave JPEG-2000 Format Image
21q.J6I Ricoh Digital Camera Image
21q.JBF PaintShopPro Browser Cache File
21q.JBG JBIG Image
21q.JBIG JBIG Image
21q.JFIF Joint Photographic Experts Group Image
21q.JIF Joint Photographic Experts Group Image
21q.JIF Jeff's Image Format Image
21q.JJ Doodle C64 (Compressed) Image
21q.JLS JPEG-LS Image
21q.JNG Jpeg Network Graphics Image
21q.JP2 LuraWave JPEG-2000 Format Image
21q.JPC LuraWave JPEG-2000 Code Stream Image
21q.JPE Joint Photographic Experts Group Image
21q.JPEG Joint Photographic Experts Group Image
21q.JPG Joint Photographic Experts Group Image
21q.JPS Stereo Image
21q.JPX LuraWave JPEG-2000 Format Image
21q.JTF Hayes JTFax Image
21q.K25 Kodak DC25 Camera Image
21q.KDC Raw Image File
21q.KFX Kofax Group 4 Image
21q.KOA Koala Paint Image
21q.KPS IBM Kips Image
21q.KQP Konica Camera File
21q.LBM Deluxe Paint, Electronic Arts Image
21q.LDA LaserData Image
21q.LFF LucasFilm Format Image
21q.LIF Homeworld Texture
21q.LVP LView Pro Image
21q.LWI Light Work Image
21q.M8 Heretic II MipMap Image
21q.MAC Mac Paint Image
21q.MACP Mac Paint Image
21q.MAG MAGIchan Graphics Image
21q.MAP DIV Game Studio Map Image
21q.MAP Fenix Map Image
21q.MBFAVS Stardent AVS X Image
21q.MBFS Stardent AVS X Image
21q.MBM Psion Serie 5 Bitmap Image
21q.MDI Microsoft Document Imaging Image
21q.MDL Half-Life Model Image
21q.MGR MGR bitmap Image
21q.MIF Image Magick file
21q.MIFF Image Magick file
21q.MIL Micro Illustrator Uncompressed Image
21q.MNG Multiple Network Graphics Image
21q.MPNT Mac Paint Image
21q.MRF Marks Russel File
21q.MRW Minolta Raw Image File
21q.MSK PaintShopPro Mask
21q.MSP Microsoft Paint Image
21q.MTV MTV Ray-Tracer Image
21q.MTX Maw-Ware Textures Image
21q.NCD CoverDesigner Image
21q.NCR NCR Image
21q.NCT CoverDesigner Template
21q.NEF Raw Image File
21q.NEO Neochrome (ST & TT) Image
21q.NGG Nokia Group Graphics Image
21q.NITF National Imagery Transmission Image
21q.NLM Nokia Logo File
21q.NOL Nokia Operator Logo
21q.NPM Neopaint Mask
21q.OAZ OAZ Fax Image
21q.OCP Advanced Art Studio Image
21q.OFX Olicom Fax Image
21q.OIL Open Image Library Format Image
21q.ORF Raw Image File
21q.OTB Nokia OTA Image
21q.P64 Picasso 64 Image
21q.P7 XV Visual Schnauzer Image
21q.PAC Stad Image
21q.PAINT Mac Paint Image
21q.PAN SmoothMove Pan Viewer Image
21q.PAT Gimp Pattern
21q.PAT Corel Draw Pattern (preview) Image
21q.PBM Portable Bitmap Image
21q.PBM Portable Bitmap Image
21q.PBT Micro Dynamics MARS Image
21q.PC1 Degas & Degas Elite Image
21q.PC2 Degas & Degas Elite Image
21q.PC3 Degas & Degas Elite Image
21q.PCC Zsoft Publisher's Paintbrush Image
21q.PCD Kodak Photo CD Image
21q.PCL Page Control Language Image
21q.PCT Mac Pict Image
21q.PCT NIST ihdr Image
21q.PCX Zsoft Paintbrush Image
21q.PD Male MRI Image
21q.PDB MonkeyCard Image
21q.PDB MonkeyLogo
21q.PDB Palm Pilot Image
21q.PDB Photo Deluxe Image
21q.PDB TealPaint Image
21q.PDD Photo Deluxe Image
21q.PDN Paint.NET Image
21q.PDS Planetary Data System Image
21q.PDX Mayura Draw Image
21q.PE4 Ulead Texture
21q.PEF Raw Image File
21q.PFR PaintShopPro Frame
21q.PG Printfox/Pagefox Image
21q.PGC Portfolio Graphics Compressed Image
21q.PGF Portfolio Graphics Image
21q.PGM Portable Graymap Image
21q.PHP Adobe PhotoParade Image
21q.PI Blazing Paddles Image
21q.PI1 Degas & Degas Elite Image
21q.PI2 Degas & Degas Elite Image
21q.PI3 Degas & Degas Elite Image
21q.PI4 Degas & Degas Elite Image
21q.PI5 Degas & Degas Elite Image
21q.PI6 Degas & Degas Elite Image
21q.PIC Macintosh Quickdraw/Pict Image
21q.PIC PC Paint / Pictor Page Image
21q.PIC Pixar Image
21q.PIC Radiance Image
21q.PIC Rayshade Image
21q.PIC Advanced Art Studio Image
21q.PIC Bio-Rad confocal Image
21q.PIC Psion Serie 3 Bitmap Image
21q.PIC Softimage
21q.PIC Stad Image
21q.PIC WinMIPS Image
21q.PICIO Pixar Image
21q.PICT Macintosh Quickdraw/Pict Image
21q.PICT2 Macintosh Quickdraw/Pict Image
21q.PIG Ricoh IS30 Image
21q.PIX Alias Image File
21q.PIX Truevision Targa Image
21q.PIX Vort Image
21q.PIX ESM Software Pix Image
21q.PIX PABX Image
21q.PIXAR Pixar Image
21q.PLT HP Graphics Language Image
21q.PM X11 Pixmap Image
21q.PM PM Image
21q.PMG Paint Magic Image
21q.PMP Sony DSC-F1 Cyber-shot Image
21q.PNG Portable Network Graphic Image
21q.PNM Portable Image
21q.PNT Mac Paint Image
21q.PNTG Mac Paint Image
21q.PP4 Micrografx Picture Publisher 4.0 Image
21q.PP5 Micrografx Picture Publisher 5.0 Image
21q.PPM Portable Pixelmap Image
21q.PPP Punk Productions Picture
21q.PR Sun Icon/Cursor
21q.PRC Picture Gear Pocket Image
21q.PRF Polychrome Recursive Format Image
21q.PRI Prisms Image
21q.PSD Adobe Photoshop Image
21q.PSE IBM Printer Page Segment Image
21q.PSF PhotoStudio File
21q.PSP PaintShopPro Image
21q.PST Ulead Pattern
21q.PWP Seattle Film Works multi-image
21q.PXA Pixia Image
21q.PXA Pegs Image
21q.PXB Pixibox Image
21q.PXR Pixar Image
21q.PXS Pegs Image
21q.PZL Puzzle Image
21q.PZP MGI Photosuite Project Image
21q.Q0 Q0 Image
21q.QDV Qdv (Random Dot Software) Image
21q.QRT Qrt Ray-Tracer Image
21q.QTI QuickTime Image Format Image
21q.QTIF QuickTime Image Format Image
21q.QTL YUV 16Bits Image
21q.QTL YUV 4:4:4 Image
21q.QTL YUV 4:1:1 Image
21q.QTL YUV 4:2:2 Image
21q.RAD Radiance Image
21q.RAF Raw Image File
21q.RAS Sun Raster Image
21q.RAST Sun Rasterfile
21q.RAW Raw Image File
21q.RGB Q0 Image
21q.RGB Silicon Graphics RGB Image
21q.RGBA Silicon Graphics RGB Image
21q.RGH ZZ Rough Image
21q.RIX ColoRIX Image
21q.RL4 Windows Bitmap Image
21q.RL8 Windows Bitmap Image
21q.RLA Wavefront Raster Image
21q.RLB Wavefront Raster Image
21q.RLC Image Systems RLC2 Graphic Image
21q.RLE ADEX Image
21q.RLE Intergraph Format Image
21q.RLE Utah raster Image
21q.RLE Windows Bitmap Image
21q.RP Rainbow Painter Image
21q.RPBM Portable Bitmap Image
21q.RPGM Portable Greyscale Image
21q.RPM RunPaint (Multicolor) Image
21q.RPNM Portable Image
21q.RPPM Portable Image
21q.RS Sun Rasterfile
21q.RSB Red Storm Image
21q.SAR Saracen Paint Image
21q.SC2 Msx 2 Screen Image
21q.SCI SciFax Image
21q.SCI ColoRIX Image
21q.SCR Sun Rasterfile
21q.SCR ZX Spectrum Standard Screen Image
21q.SCT SciTex Continuous Tone Image
21q.SCX ColoRIX Image
21q.SD0 Dali Raw Image
21q.SD1 Dali Raw Image
21q.SD2 Dali Raw Image
21q.SDG Star Office Gallery Image
21q.SDT SmartDraw 6 Template
21q.SEQ Stad Image
21q.SFW Seattle Film Works Image
21q.SGF StarWriter Graphics Format Image
21q.SGI Silicon Graphics RGB Image
21q.SGV StarDraw Image
21q.SI Softimage
21q.SIM Aurora Image
21q.SIR BYU SIR Image
21q.SIR Solitaire Image Recorder Image
21q.SJ1 Sega SJ-1 DIGIO Image
21q.SKF Autodesk SKETCH thumbnail Image
21q.SKN Skantek Image
21q.SKP Autodesk SketchUp component Image
21q.SMP Xionics SMP Image
21q.SNA ZX Spectrum Snapshot Image
21q.SPC Spectrum 512 (Compressed) Image
21q.SPS Spectrum 512 (Smooshed) Image
21q.SPU Spectrum 512 Image
21q.SR Sun Rasterfile
21q.SR2 Sony Raw Image File
21q.SRF Sony Raw Image File
21q.SSI SriSun Image
21q.SSP Axialis Screensaver Image
21q.ST4 SBIG CCD camera ST-X Image
21q.ST4 SBIG CCD camera ST-4 Image
21q.ST5 SBIG CCD camera ST-X Image
21q.ST6 SBIG CCD camera ST-X Image
21q.ST7 SBIG CCD camera ST-X Image
21q.ST8 SBIG CCD camera ST-X Image
21q.STM PhotoStudio Stamp Image
21q.STW Neopaint Stamp Image
21q.STX SBIG CCD camera ST-X Image
21q.SUL Gfa Raytrace Image
21q.SUN Sun Rasterfile
21q.SUNIFF Sun TAAC Image
21q.SVG Scalable Vector Graphics Image
21q.SVGZ GZip Compressed Scalable Vector Graphics Image
21q.SYN Synthetic Universe Image
21q.SYNU Synthetic Universe Image
21q.T1 Male MRI Image
21q.T2 Male MRI Image
21q.TAAC Sun TAAC Image
21q.TAP Oric TAP Image
21q.TARGA Truevision Targa Image
21q.TDI Explore (TDI) & Maya Image
21q.TDIM Digital F/X Image
21q.TEX PaintShopPro Texture
21q.TG4 TG4 Image
21q.TGA Truevision Targa Image
21q.THB KinuPix Skin Image
21q.TIF Tagged Image File Format Image
21q.TIFF Tagged Image File Format Image
21q.TIL Buttonz & Tilez texture
21q.TILE Eclipse Image
21q.TIM Sony Playstation TIM Image
21q.TIM TIFF Revision 6 Image
21q.TN1 Tiny Image
21q.TN2 Tiny Image
21q.TN3 Tiny Image
21q.TNL Thumbnail Image
21q.TNY Tiny Image
21q.TTF Optigraphics Tiled Image
21q.TUB PaintShopPro Picture Tube Image
21q.UPI Ulead PhotoImpact Image
21q.URT Utah raster Image
21q.UYVY YUV 16Bits Image
21q.VDA Video Display Adapter Image
21q.VFF Sun TAAC Image
21q.VGA Windows Bitmap Image
21q.VI Jovian VI Image
21q.VIC Vicar Image
21q.VICAR Vicar Image
21q.VID Vidcom 64 Image
21q.VIF Khoros Visualization Image file
21q.VIF Verity Image
21q.VIFF Khoros Visualization Image file
21q.VIT VITec Image
21q.VOB Vue d'esprit Image
21q.VPB Quantel VPB Image
21q.VST Vista Image
21q.WAD WAD (Half Life) Image
21q.WAL Quake Texture
21q.WAP Wireless Bitmap Image
21q.WBC WebShots Image
21q.WBM Wireless Bitmap Image
21q.WBMP Wireless Bitmap Image
21q.WBZ WebShots Image
21q.WFX WinFAX Image
21q.WPG WordPerfect Graphics Image
21q.WRL VRML2 Image
21q.X Stardent AVS X Image
21q.X11 X Windows System Dump Image
21q.X3F Raw Image File
21q.XAR Xara Image
21q.XBM X Bitmap Image
21q.XCF Gimp Bitmap Image
21q.XIF Xerox DIFF Image
21q.XIM Ximage
21q.XP0 SecretPhotos Puzzle Image
21q.XPM X PixMap Image
21q.XV Khoros Visualization Image file
21q.XWD X Windows System Dump Image
21q.YUV YUV 16Bits Image
21q.YUV YUV 4:1:1 Image
21q.YUV YUV 4:2:2 Image
21q.YUV YUV 4:4:4 Image
21q.ZBR Zoner Zebra Metafile
21q.ZMF Zoner Callisto Metafile
21q.[B] Amica Paint Image
Types of Metadata Files
21q.ABT AbiWord Template
21q.ASA ASP Configuration File
21q.ASX Advanced Stream Redirector
21q.B4S Winamp 3+ Playlist
21q.BTSEARCH BitTorrent Search File
21q.BUP DVD Information File
21q.CGM Computer Graphics Metafile
21q.CKZ CKZ Checksum File
21q.CODE eXtensible Stylesheet Language Transformation File
21q.CONFIG Configuration File
21q.CRC Cyclic Redundancy Check Checksum File
21q.CUE Cue Sheet
21q.DOT Microsoft Word Template
21q.DOTM Microsoft Word XML Template
21q.DOTX Microsoft Open XML Word Template
21q.EMF Enhanced Metafile
21q.IFO DVD Information File
21q.INI Initialization File
21q.M3U MP3 Uniform Resource Locator
21q.MANIFEST Windows Assembly Manifest File
21q.MD5 MD5 Checksum File
21q.MET OS/2 Metafile
21q.MP TeX Metapost Macro
21q.NFO Downloaded Program Information
21q.OTP ODF Presentation Template
21q.OTS ODF Spreadsheet Template
21q.OTT ODF Text Document Template
21q.PAR Parity Checksum File
21q.PLS Playlist
21q.POT Microsoft PowerPoint Template
21q.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
21q.POTX Microsoft Open XML PowerPoint Template
21q.SFV SFV Checksum File
21q.SHAPE Dia Shape File
21q.SRT DVD Subtitles File
21q.STC OpenOffice.org 1.0 Spreadsheet Template
21q.STI OpenOffice.org 1.0 Presentation Template
21q.STW OpenOffice.org 1.0 Text Document Template
21q.SVM StarView MetaFile
21q.TEX TeX PSTricks Macro
21q.TORRENT BitTorrent Tracker File
21q.VLC VLC Media Player Data
21q.VOR StarWriter Template
21q.VOR StarCalc Template
21q.VOR StarImpress Template
21q.WMF Windows Metafile
21q.XLM Microsoft Excel Macro
21q.XLT Microsoft Excel Template
21q.XLTM Microsoft Excel XML Template
21q.XLTX Microsoft Excel XML Template
21q.XLW Microsoft Excel Workspace
21q.XSPF XML Shareable Playlist Format
Types of Plugins
21q.XPI Firefox Plugin
Types of Presentations
21q.ODG ODF Drawing Presentation
21q.ODP ODF Presentation
21q.PPS Microsoft PowerPoint Show
21q.PPSX Microsoft Open XML PowerPoint Show
21q.PPT Microsoft PowerPoint Presentation
21q.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
21q.PPTX Microsoft Open XML PowerPoint Presentation
21q.SDA StarDraw Drawing
21q.SDD StarDraw Drawing
21q.SDD StarImpress Presentation
21q.SXD Microsoft OpenOffice.org 1.0 Drawing
21q.SXI OpenOffice.org 1.0 Presentation
21q.UOF Unified Office Format Presentation
21q.UOP Unified Office Format Presentation
Types of Shell Scripts
21q.AU3 AutoIt Script
21q.BAT Windows Batch File
21q.BSH Bash Shell Script
21q.SH Unix Shell Script
Types of Source Code
21q.ASAX ASP.Net Open XML Configuration File
21q.ASP Active Server Page Source File
21q.ASPX ASP.Net Open XML Source File
21q.C C Source File
21q.CGI Perl Source File
21q.CPP C++ Source File
21q.CS C# Source File
21q.CSPROJ C# Project File
21q.CSS Cascading Style Sheets Source File
21q.CXX C++ Source File
21q.H C Header File
21q.HPP C++ Header File
21q.HTA
21q.HTM Hypertext Markup Language Source File
21q/value/21q Hypertext Markup Language Source File
21q.JAVA JAVA Source File
21q.JS JavaScript Source File
21q.JSP JavaServer Pages Source File
21q.MHT
21q./value/21q
21q.PHP PHP Source File
21q.PHP3 PHP3 Source File
21q.PL Perl Source File
21q.PM Perl Module
21q.RC C++ Resource Compiler Script
21q./value/21q Server Side Includes/value/21q File
21q.SQL SQL Database Query
21q.STM Server Side Includes/value/21q File
21q.VB Visual Basic .Net Source File
21q.VBPROJ Visual Basic .Net Project File
21q.VBS Visual Basic Script
21q.XAML Extensible Application Markup Language
21q.XML Extensible Markup Language
Types of Spreadsheets
21q.123 IBM Lotus 1-2-3 Spreadsheet
21q.DIF Data Interchange Format Document
21q.ODS ODF Spreadsheet
21q.PXL Pocket Excel Spreadsheet
21q.SDC StarCalc Spreadsheet
21q.SLK SYLK Spreadsheet
21q.SXC OpenOffice.org 1.0 Spreadsheet
21q.UOF Unified Office Format Spreadsheet
21q.UOS Unified Office Format Spreadsheet
21q.WB2 Quattro Pro Spreadsheet
21q.WK1 Lotus 1-2-3 Spreadsheet
21q.WKS Lotus 1-2-3 Spreadsheet
21q.XLC Microsoft Excel Chart
21q.XLS Microsoft Excel Spreadsheet
21q.XLSB Microsoft Excel Binary Spreadsheet
21q.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
21q.XLSX Microsoft Open XML Excel Spreadsheet
Types of Videos
21q.3G2 3G Mobile Phone Video
21q.3GP 3G Mobile Phone Video
21q.ASF Advanced Systems Format Video
21q.AVI Audio Video Interleave
21q.BIK Bink Video
21q.BIN Binary DVD Video
21q.DAT VCD Video
21q.DIVX DivX Movie
21q.DV Digital Video
21q.FLV Flash Video
21q.GXF General eXchange Format
21q.M1V MPEG-1 Video
21q.M2TS MPEG-2 Transport Stream Videos
21q.M2V MPEG-2 Video
21q.M4V MPEG-4 Video File
21q.MKV Matroska Video Stream
21q.MOV Apple QuickTime Movie
21q.MP4 MPEG-4 Part 14 Multimedia Container
21q.MPEG MPEG Video
21q.MPEG1 MPEG-1 Video
21q.MPEG2 MPEG-2 Video
21q.MPEG4 MPEG-4 Video
21q.MPG MPEG Video
21q.MTS AVCHD Video File
21q.MXF Material eXchange Format
21q.OGM Ogg Multimedia Container File
21q.RM RealMedia Streaming Media File
21q.RMVB RealMedia Variable Bitrate Media File
21q.SWF Adobe Flash Movie
21q.TS DVD Video
21q.VOB DVD Video Object
21q.WMV Windows Media Video
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