The archive filename including file extension for the archive in context. This can be controlled through the archive mapping section of the blog’s Publishing settings screen.
Example: For the URL http://www.example.com/categories/politics.html, the ArchiveFile tag would output “politics.html”.
set to ‘0’ to exclude the file extension (ie, produce “politics” instead of “politics.html”)
set to ‘-’ to force any underscore characters in the filename to dashes