Dan01 - 6:47 am on Nov 24, 2012 (gmt 0)

And I've been using .html since, oh, 1994

I don't remember Windows allowing four-letter string extensions until Windows 98. I don't think Windows 3X allowed it. That is why I chose to use three-letter extensions. My programming days go back to 1976 when I taught myself BASIC BTW. :)

[edited by: Dan01 at 8:01 am (utc) on Nov 24, 2012]