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