.htm versus .html

[vlasi47gr]

I have been using .htm for my file extensions without any problems and have always thought that the only difference between .htm and .html was the "l". Since I have been using Dreamweaver and by default it saved all files as .htm I never gave it a second thought.

However I recently tried inserting a script into a .htm file by adding an htaccess file to allow for the php code to be executed, I found that I would get a server error unless I changed my file extensions to .html.

My question is why, is there a work around rather than renaming all my file, and does anyone have any explanation as to why this is happening?

Also, should I have been saving my files as .html all along?

[monkey56657]

You should be able to do the same .htm as .html with no problems.

I prefer .html however.

[J.L.H.C.]

What is the difference actually?

[monkey56657]

I dont really think there is a difference. Its just the users personal preference which one to use.

AddType application/x-httpd-php .htm

This code works fine to execute php code within files with .htm extensions. Just gave it a test.

[MacCheesy]

.Htm is a file type designator most commonly used in Microsoft Windows to indicate HTML content. Frontpage uses the extension.

What is the difference actually?