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File Extension Reference Chart
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File Extension
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Description
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.arc
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A Macintosh Hierarchical Archive |
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.aiff
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A PC audio sound format. |
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.asp
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An active Server Page. |
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.au
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A Web sound format. |
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.avi
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A Windows audio-visual file. |
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.bat
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A Windows batch file. A script written
in DOS and used to automate tasks. |
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.bin
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A Macbinary II Encoded File |
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.bmp
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A Bitmap file, a popular PC graphics
file format. |
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.cgi
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A CGI (Common Gateway Interface)
script. |
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.dat
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A PC data file. |
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.dbx
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A Microsoft Visual Foxpro table file. |
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.dll
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A PC Dynamic Link Library.
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.doc
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A Microsoft Word Template file. |
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.dot
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A Microsoft Word or Wordpad document.
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.eps
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An Encapsulated Postscript file.
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.exe
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A DOS or Windows program or self extracting archive
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.gif
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A GIF (Graphical Interchange Format)
graphics file.
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.gz
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The Gnu Zip, a compressed
UNIX file. |
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.hlp
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A Windows help file. |
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.html
.htm
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A Hypertext Markup Language file. |
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.hqx
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A BinHex encoded (a Macintosh file encoding
scheme) file. |
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.img
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A Macintosh Disk Image file. |
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.ini
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A Windows initialization
file, used to set parameters and preferences . |
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.jpg
.jpeg
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A JPEG (Joint Photographers Expert Group)
graphics file. |
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.mdb
.mde
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A Microsoft Access database. |
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.me
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A common DOS extension,
usually letting you know you hvae to do something to the file, such as READ.ME
or TYPE.ME. |
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.mid
.midi
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A MIDI (Musical Instrument Digital
Interface) music file
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.mim
.mime
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A MIME (Multi-Purpose Internet Mail Extensions)
file. |
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.mpg
. mpeg
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An MPEG (Moving Pictures Expert Group)
movie file. |
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.mov
.qt
.movie
.moov
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A QuickTime Movie. |
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.pdf
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An Adobe Acrobat Portable Document Format
file. |
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.pl
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A Perl Script. |
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.pps
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A Microsoft PowerPoint Slide Show. |
.ppt
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A Microsoft PowerPoint Presentation. |
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.ps
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A Postscript file. |
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.rtf
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A Rich Text Formatted file. |
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.rm
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A Real Movie. |
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.sit
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A Stuffit archive. |
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.sea
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A Macintosh Self Extracting archive. |
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.smi
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A Shrink Wrap Disk Image file. |
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.sys
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A DOS/Windows system file. |
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.tar
.tar.Z
.tar.gz
.tgz
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A UNIX tar program file. |
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.tiff
.tif
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A TIFF (Tag Image File Format) file,
a common format for exchanging raster/bitmap images. |
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.ttf
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A True Type Font, commonly used in Windows. |
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.txt
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A plain Text File.
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.uu
.uue
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A UUEncoded UNIX file. |
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.wav
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A Windows Wave format sound file . |
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.wks
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A Lotus 1-2-3 spreadsheet/work files.
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.wpd
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A WordPerfect document . |
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.xls
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A Microsoft Excel spreadsheet. |
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.xlt
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A Microsoft Excel Template. |
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.xlw
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A Microsoft Excel Workbook. |
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.Z
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A UNIX Compressed File. |
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.zip
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A pkzip file, one of the most common DOS/Windows
compression formats.
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Common Encoding Formats
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Extension
|
Description
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.bin
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Macbinary II,
a standard Mac file encoding scheme (your best bet is to use this option
to send files to users you KNOW are using a Mac). |
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.hqx
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BinHex, another
standard Mac file encoding scheme (again, use this option to send files
to users you KNOW are using a Mac). |
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.MIME/Base 64
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Multi-Purpose
Internet Mail Extensions. (Hint: This is one of the safest encoding schemes
to use on files sent to Windows users). |
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.UUEncode
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(A.K.A.Uuencode/Uudecode)
Is a standard UNIX encoding format. (The format of choice in sending files
to UNIX users). |