usefull file extensions

SOME BASIC USEFULL FILE EXTENSIONS

.doc –word processing  document
.docm-word macro enabled  document
.dotx – word template
.dat – data file
.ext- extension file
.flv- adobe flash file formate
.htm –html web page
.html – hypertext markup language
.idx- index file formate
.mht – single file web page
.odt – open document text .
.ppt – power point presentation
.pdf – PDF
.ext- extension file
.potx = power point template
.ppsx - power point slide show
.rtf –rich text format
.txt – plain text
.wpd – word perfect document
.xml – word xml document
.xps – XPS DOCUMENT
.apk – android applications package
.BAK –backup file extension