.wps - Microsoft Works document
.pub - Microsoft Publisher document
.xls - Microsoft Office Excel spreadsheet
.odt - OpenOffice.org Writer text document
.docx - Microsoft Word 2007 XML based document file format
.pps - Microsoft PowerPoint slideshow
.pages - iWork Pages document file
.ods - OpenOffice.org Calc Spreadsheet file
file extension IFO - Info file
File extension IFO description:
IFO file extension is very often used for application info files.
