BRAVO TECHNOLOGY CENTER

Bravo Reference:
File Formats & Extensions

by Sam C. Chan
 

First published: May 17, 2004
Last updated: March 11, 2014

March 11, 2014 Addendum

Common document file formats

  • HTML (.html, .htm), open standard, ISO from 2000
  • PDF Open standard for documents exchange. ISO standards from 2001, 2005,
  • Office Open XML (ISO standard from 2008)
    • New (from 2007) MS Word .docx
    • New (from 2007) MS Excel .xlsx
  • Original MS Excel (.xls) Spreadsheet document. Proprietary de facto standard.
  • Original MS Word (.doc) Word processing document. Proprietary de facto standard.
  • ASCII, UTF-8 plain text formats (many variants)
  • Rich Text Format (RTF) meta data format from Microsoft since 1987
  • XPS Open XML Paper Specification (.xps .oxps) equivalent to PDF in scope/purpose
  • OpenDocument .odt (XML-based standard for office documents, ISO standard from 2006)
  • OpenOffice.org XML .sxw (open, XML-based format for office documents)
  • WordPerfect (.wpd, .wp, .wp7, .doc)
  • Pages (.pages) Proprietary Apple iWorks
  • 2008.
  • PostScript - .ps
  • Uniform Office Format (.uof, .uot, .uos, .uop) Open XML/SVG Chinese standard

end of March 11, 2014 Addendum


This is a list of file formats commonly used by us or our clients.

Archive and Compression

  • ZIP - Compressed Folder, Winzip, PK-Zip
  • CAB - Microsoft Cabinet
  • 7Z - 7-Zip
  • RAR - WinRAR
  • GZ, GZIP - GZIP format
  • TAR - UNIX archive
  • SIT - StuffIt (Macintosh)

Computer-Aided Design (CAD)

  • DWG - AutoCAD and Open Design Alliance applications
  • DXF, or ASCII Drawing Interchange file format

Database

  • MDB - Microsoft Database (Access)
  • DBF - DBase, DBase III/IV/V, Microsoft FoxPro
  • SQL - bundled SQL queries
  • WDB - Microsoft Works Database
  • FP7 - Filemaker Pro 7
  • FP8 - Filemaker Pro 8
  • DB - Paradox
  • GDB - Borland Interbase Databases

Disk Images

  • GHO - Ghost hard disk image (Symantec/Norton/Binary Research)
  • V2I - V2i, Livestate Recovery, Backup Exec System Recovery
  • ISO - CD/DVD image (ready-to-burn/mount)
  • IMA - Floppy image
  • IMZ - Compressed IMA

Executable (Programs)

  • BAT - DOS batch file
  • CMD - NT command shell script
  • COM - Microsoft executable
  • EXE - Microsoft relocate-able executable
  • VBS - Visual Basic Script
  • DLL - dynamic link library
  • VBX - Visual Basic Extensions
  • OCX - Object Control Extensions

Font file

  • TTF - TrueType Font
  • ABF - Adobe Binary Screen Font
  • FON - Bitmapped Font - Microsoft Windows
  • OTF - OpenType Font
  • PostScript Font - Type 1, Type 2

Graphics, Raster

  • ART - AOL proprietary format
  • BMP - Microsoft Windows Bitmap Formatted Image
  • CPT - Corel PHOTO-PAINT
  • Exif - Exchangeable image file format, meta data for photos
  • GIF - CompuServe's Graphics Interchange Format
  • ICO - Microsoft Windows icon files
  • JPG, JPEG - a lossy image format widely used for photos
  • MAX - ScanSoft PaperPort document
  • MNG - Multiple Network Graphics (animated PNG)
  • PICT - Apple Macintosh PICT image
  • PNG - Portable Network Graphic
  • PSD - Adobe Photoshop Drawing
  • PSP - Jasc Paint Shop Pro image
  • SGI, RGB, INT, BW - Silicon Graphics Image
  • TIF (or .tiff) Tagged Image File Format (usually lossless, but many variants exist)

Graphics, Vector

  • AI - Adobe Illustrator Document
  • EPS - Encapsulated Postscript
  • CGM - Computer Graphics Metafile an ISO Standard
  • CMX - Corel Draw vector image
  • DXF - ASCII Drawing Interchange file format, used in AutoCAD
  • SVG - Scalable Vector Graphics, employs XML
  • VRML - Virtual Reality Modeling Language

Page description language

  • DVI
  • PCL
  • PDF
  • PS - PostScript
  • CSS - Cascaded Style Sheet
  • XSLT - XML Style Sheet

Presentation

  • PPS - Microsoft PowerPoint Show
  • PPTx, PPT - Microsoft PowerPoint Presentation
  • KEY - Apple Keynote Presentation
  • SXI - OpenOffice.org Presentation

Sound and music

Lossless Uncompressed Audio

  • AIFF
  • AU
  • WAV - Microsoft Wave

Lossless Compressed Audio

  • FLAC - free lossless codec of the Ogg project
  • M4A - Apple Lossless
  • WMA - Windows Media Audio 9 Lossless (also supports lossy)

Lossy Compressed Audio

  • MP3 - MPEG Layer 3
  • OGG - Vorbis (Ogg project, free and similar in principle to MP3)
  • GSM - GSM Full Rate, originally developed for use in mobile phones
  • WMA - Windows Media Audio
  • AAC (.m4a, .mp4, .m4p, .aac) - Advanced Audio Coding (usually in an MPEG-4 container)
  • RA, RM - RealAudio
  • SWA - Macromedia Shockwave Audio

Other music formats

  • MID - MIDI file

Playlist formats

  • ASX - Advanced Stream Redirector
  • M3U
  • PLS

Outlook

  • OST - Offline Storage File (Exchange Server client-side cache)
  • PST - Personal Storage File
  • VCF - Virtual Business Card

Spreadsheet

  • CSV - Comma-Separated Values
  • gnumeric - Linux gnumeric spreadsheet, gziped XML file
  • QPW - Quattro for Windows
  • SXC - StarOffice/OpenOffice.org spreadsheet
  • WK1 - Lotus 1-2-3 2.0
  • WK3 - Lotus 1-2-3 3.0
  • WK4 - Lotus 1-2-3 4.0
  • WKS - Lotus 1-2-3 1.0
  • WKS - Microsoft Works
  • WQ1 - Quattro Pro DOS
  • XLK - Microsoft Excel worksheet backup
  • XLS - Microsoft Excel worksheet
  • XLSX - Microsoft Excel 12 worksheet compressed XML
  • XLR - Microsoft Works 6.0
  • XLT - Microsoft Excel worksheet template
  • XLW - Microsoft Excel worksheet workspace 4.0
  • DIF  - Data Interchange Format

Text Document

  • ASC - ASCII text with Layout
  • DOC - Microsoft Word
  • DOCX - Microsoft Word 12 compressed XML format
  • DOT - Microsoft Word Template
  • HTML - HyperText Markup Language (.html, .htm)
  • RTF - Rich Text Format
  • SXW - StarOffice/OpenOffice.org Word Processor format
  • TXT - ASCII or Unicode raw text file
  • WPD - WordPerfect document
  • WPS - Microsoft Works document
  • WRI - Microsoft Write
  • XML - eXtensible Markup Language - OpenOffice

Video

  • 3GP - Mobile phone video
  • ASF - Container format. MPEG-4 compression is common.
  • AVI - Container format. MPEG-1 and a variant of MPEG-4 are common)
  • SWF - Macromedia Flash (for viewing)
  • FLA - Macromedia Flash (source file)
  • GIF - Animated GIF
  • MKV - Matroska container format
  • MOV - QuickTime container format. Sorenson codec is the most common
  • MPEG - Motion Picture Expert Group
  • NSV - Nullsoft Streaming Video container
  • OGM - a container format for Ogg Vorbis
  • RAM, RM - RealMedia video
  • WMV - Microsoft video in ASF container

Virtual Machines

Microsoft Virtual PC  & Virtual Server
Oracle VirtualBox (formerly from Sun Microsystems, formerly Innotek GmbH)

  • VFD - Virtual Floppy Disk
  • VHD - Virtual Hard Disk
  • VUD - Undo Disk for VHD
  • VMC - Virtual Machine Configuration
  • VSV - Virtual Machine Saved State
  • VDI  - VirtualBox native drive image
  • VMDK - VMware native drive image
  • HDD - Apple Parallel native

EMC VMware ESX/GSX/Workstation/Player

  • DSK, VMDK -Virtual Machine Disk
  • LOG - Virtual Machine Logfile
  • NVRAM - Virtual Machine BIOS
  • VMEM - Virtual Machine paging file
  • VMSD - Virtual Machine snapshot metadata
  • VMSN - Virtual Machine snapshot
  • VMSS, STD - Virtual Machine suspended state
  • VMTM - Virtual Machine team data
  • VMX, CFG -Virtual Machine configuration
  • VMXF - Virtual Machine team configuration

Webpage

  • Static
    • CSS - Cascaded Style Sheet
    • HTM, HTML - HyperText Markup Language
    • XML (.xhtml, .xht) - eXtensible HyperText Markup Language
    • MHTML - Archived HTML
    • CHM - Microsoft Compiled HTML Help
  • Dynamically generated
    • ASP - Microsoft Active Server Page
    • ASPX  - Microsoft Active Server Page. NET
    • ADP - AOLserver Dynamic Page
    • CFM - ColdFusion
    • CGI - Computer Gateway Interface
    • JSP - JavaServer Pages
    • PL - Perl script
    • PHP (.phtml) - PHP script. ? is version number
    • shtml - SSI: HTML with Server Side Includes
    • HTA - HTML Applications
    • JS - JavaScript
    • PY - Python
    • SH - Shell script
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