Index.html vs Index.htm

[K4GAP]

I'm using a landing page that contains links to my forums and other sites. The landing page is at my "domainname.html" and is designed as a fixed width, (about 50%). What I want to do is have a switch/link that will point to "domainname.htm" which will be a fluid width. *NOTICE I'm using 'html" vs "htm" for the two links.

Are there any known issues using .html vs .htm with different browsers?

[Zachery]

No, not unless your web server is messed up.