Hardware Reference
In-Depth Information
Appendix H Common file
extensions
Extension
Type of file
ASC
An ASCII text file
ASM
An assembly language source code file
ASP
An Active Server Page file (see HTM)
BAK
A back-up file (often created automatically by a text editor
which renames the source file with this extension and the
revised file assumes the original file specification)
BAS
A BASIC program source file
BAT
A batch file which contains a sequence of operating system
commands
BIN
A binary file (comprising instructions and data in binary format)
BMP
A bit-mapped picture file
C
A source code file written in the C language
CFG
A configuration file
CLP
A Windows 'clipboard' file
COM
An executable program file in small memory format (i.e.
confined to a single 64 KB memory segment)
CPI
A 'code page information' file
CPP
A source code file written in the C++ language
CRD
A Windows 'card index' file
CSS
A Cascading Style Sheet file (used to control the display styles
used in HTM and HTML files)
DAT
A data file (usually presented in either binary or ASCII format)
DBG
A DEBUG text file
DLL
A Dynamic Link Library file
DOC
A document file (not normally presented in standard ASCII
format)
EXE
An executable program file in large memory format (i.e. not
confined to a 64 KB memory model)
GIF
An image file in Graphics Interchange Format
H
A header file containing class names and definitions used in
the C language
HEX
A file presented in hexadecimal (an intermediate format
sometimes used for object code)
HLP
A help file
HPP
A header file containing class names and definitions used in
the C
++
language
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