.XFO File Extension
File TypeXSL-FO Formatted Form
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an XFO file?
Form that is formatted using on the XSL-FO (Extensible Stylesheet Language - Formatting Objects) markup language; defines how XML data is formatted for the screen, print, or other type of media; may be used in online or offline applications.
XSL-FO Forms more commonly use the .FO extension.