Common File Extensions
Audio Files
- AU - AUdio
- 8khz mulaw, voice grade sound format used on Sun, NeXT, HP, etc workstations.
- IBK
- Sound Blaster card format for multiple instruments.
- SBI - Sound Blaster Instrument
- Sound Blaster card format for single instruments.
- SND - SouND
- 8khz mulaw, voice grade sound format used on Sun, NeXT, HP, etc workstations.
- WAV - WAVeform
- Microsoft Windows sound format used for event notification.
Image/Graphics Files
- BMP - Bitmap
- PC Windows display format, files are large if uncompressed.
- CUR - CURsor
- Microsoft Windows Cursor file.
- EPS - Encapsulated PostScript
- Embedded use of PostScript in other files.
- GIF - Graphics Interchange Format
- Compress format developed by Compuserve, used on many platforms. Can be made interlaced and transparent for many effects on the World Wide Web.
- HDF - Hierarchical Data Format
- Multiple platform transfer file for graphical and numerical data.
- ICB (TGA,VDA,VST)
- Targa formats created by Truvision for use with 24-bit high-resolution graphics hardware called Targa boards. Used by several high-resolution graphics vendors.
- ICO - ICOn
ICON - ICON - Microsoft Windows icon file.
- JPEG - Joint Photographic Experts Group
- JPG
- Highly compressed format for still images, widely used for multiple platforms.
- MPNT - MacPaiNT
- Apple Macintosh MscPaint file.
- PBM - Portable Bitmap
- Portable Bitmap file.
- PCD - Photo CD
- Kodak's proprietary CD-ROM photograph format..
- PCX
- Zsoft image format for PC Paintbrush software.
- PDF - Portable Document Format
- Adobe Acrobat format for multiple platform document access.
This format is becoming very common for document publishing on the Internet. It can deliver colors, graphics, and fonts. A viewer can be downloaded from Adobe for the following platforms from http://www.adobe.com/. Windows 95, Windows NT, Windows 3.1, Macintosh, LINUX, IBM AIX, Sun SPARC SunOS, Sun SPARC Solaris, SGI IRIX, HP-UX, OS2, DOS - PGM - Portable Grayscale Map
- Portable grayscale map file.
- PIC - PICture
- PIXAR Picture file.
- PICT - PICT
- Apple Macintosh Quickdraw/PICT file.
- PICT - PICT
- SoftImage PICT file.
- PIX - PIXel
- Alias PIXel image file.
- PNM - Portable aNy Map
- Portable any map file.
- PPM - Portable Pixel Map
- Portable pixel map file.
- PS - PostScript
- Adobe's type description language, used to deliver complex documents that include layout, font descriptions, and graphics over the Internet.
- RAS - RASter
- Sun Microsystems raster file.
- RGB - Red Green Blue
- Silicon Graphics RGB image file.
- RGB - Red Green Blue a
- Silicon Graphics 4-component image file
- RGB - Red Green Blue Alpha
- Silicon Graphics 4-component image file with generated alpha.
- RLA - Raster
- Wavefront raster image file.
- RLE - Run-Length Encoding
- Technique for compressing Windows BMP files.
- RPBM - Raw Portable Bitmap
- Raw portable bitmap file.
- RPGM - Raw Portable Grayscale Map
- Raw portable grayscale map file.
- RPNM - Raw Portable aNy Map
- Raw portable any map file.
- RPPM - Raw Portable Pixel Map
- Raw portable pixel map file.
- SYNU
- Synu image file.
- TGA (VDA,ICB,VST)
- Targa formats created by Truvision for use with 24-bit high-resolution graphics hardware called Targa boards. Used by several high-resolution graphics vendors.
- TIFF - Tagged Image File Format
- Supports up to 24-bit color images across a variety of formats. These files can be compressed or uncompressed, not all TIFF implementations work with all viewers.
- VDA (TGA,ICB,VST)
- Targa formats created by Truvision for use with 24-bit high-resolution graphics hardware called Targa boards. Used by several high-resolution graphics vendors.
- VIFF - Vizualization Image File Format
- Khoros visualization image file format.
- VST (ICB,TGA,VDA)
- Targa formats created by Truvision for use with 24-bit high-resolution graphics hardware called Targa boards. Used by several high-resolution graphics vendors.
- X
- Stardent AVS X image file.
- WPG - WordPerfect Graphic
- WordPerfect's graphic format.
- XBM - XWindow Bitmap
- Unix X-Windows bitmap format.
- XWD - X Window Dump
- Unix X Window dump image file.
- PC Windows display format, files are large if uncompressed.
Video Files
- AVI - Audio Video Interleaved
- Microsoft Windows standard video format. Files found on many CD-ROMS.
- DVI - Digital Video Interactive
- Motion video format found an many CD-ROMS.
- FLI - FLIck
- Autodesk Animator motion-video format.
- MOV - MOVie
- QuickTime format for Apple and Macintosh motion video and audio software. Also used in Microsoft Windows software.
- MPEG - Motion Picture Experts Group
MPG - Full-motion video standard using frame format similar to JPEG with variable compression capabilities.
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© 1999 John Sharry
jsharry@ix.netcom.com
Geological and Geophysical Interpretation
Project Management
Basin Studies
Computer application support and custom databases
Web Programming
Last updated 2/10/1999