difference between htm and html

I need to know the difference between htm and html extensions.
Taimur HassanDirectorAsked:
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Double question! Please delete....

the "L".   ;)
.of Please, replace the "s" by a "c" and that's what the hippies always wanted.... ;)

The difference is that htm is from the old DOS eight.three naming conventions.  No file name could be longer than eight characters and no extension could be more than three characters.  Nowdays, the only real difference is that some servers require the index page of a site to be index.html.  Otherwise they are interchangeable.  Similar to .jpg and.jpeg.  Of course if you are referencing a URL, it is necessary to use the right one for that particular page.

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