How to add .html the end of link
normal show
http://med.advpedia.com/birthday-party-supplies/1st-birthday-2/lil-prince-1st-birthday-standard-party-pack
i want all link to be like this
http://med.advpedia.com/birthday-party-supplies/1st-birthday-2/lil-prince-1st-birthday-standard-party-pack.html
when that link changed (added .html) should be not to be 404 page not found
this is currnet .htaccess
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
If you are doing this with WordPress I have done it with two plugins.
-Append extensions on Pages
-Custom Post Type Permalinks(If you have custom post types)
Hope it helps!