In the Option - Permalink area, theres a tag base field for you to change the word 'tags' in '/tags/yourtags' into something else. But what i wanted is to alter all my tags into
Its not a problem adding the .html prefix at the back of the tags but it doesnt seem to work with the '.html' added. Is there something that i need to do with .htaccess file?
How can i do that?