Common File Extensions


World Wide Web


Extension Component Type Description
.asp T Active server page
.csp T Caché server page
.css T Cascading stylesheet
.hta T Hypertext application
.htc T HTML component
.htm T HTML document
.html T HTML document
.htt T Hypertext template
.gif BIN GIF image
.jpeg BIN JPEG image
.jpg BIN JPEG image
.js T JavaScript file
.jsp T Java server page
.shtml T SHTML document
.xml T XML document
.xsl T XSL stylesheet

Cross operating system


Extension Component Type Description
.zip BIN Zip file
.pdf BIN Portable document format document

Windows


Extension Component Type Description
.bat T Batch file
.bmp BIN Bitmap image
.com BIN Program file
.dll BIN Application extension
.exe BIN Program file
.log T Log file
.txt T Plain text file
.wav BIN Sound file

Microsoft Office


Extension Component Type Description
.doc BIN Microsoft Word document
.dot BIN Microsoft Word template
.mdb BIN Microsoft Access database
.pps BIN Microsoft PowerPoint slide show
.ppt BIN Microsoft PowerPoint presentation
.xls BIN Microsoft Excel workbook
.xlt BIN Microsoft Excel template