Helping people with computers... one answer at a time.
An SNM file is simply a Netscape mail email message file.
What is an "SNM" file?
According to FILExt.com, it's a "Netscape Mail E-mail Message File".
Comments on this entry are closed.
If you have a question, start by using the search box up at the top of the page - there's a very good chance that your question has already been answered on Ask Leo!.
If you don't find your answer, head out to http://askleo.com/ask to ask your question.