Most popular Document file extensions:
.odt - OpenOffice.org Writer text document
.xls - Microsoft Office Excel spreadsheet
.pps - Microsoft PowerPoint Slideshow
.wps - Microsoft Works document
.docx - Microsoft Word 2007 XML based document file format
.pub - Microsoft Publisher document
.pdf - Portable document format: Adobe Acrobat File
.wpd - Corel WordPerfect document
file extension FFF - defFax document file
File extension FFF description:
Probably old file extension! Document fax file..fff
Associated applications to file extension FFF:
FFF