What Does Internet Explorer (IE) Mean?
Microsoft Internet Explorer (abbreviated IE or MSIE) is a free web browser application produced by Microsoft in 1995. Internet Explorer was designed in response to the first geographical browser, Netscape Navigator.
Techopedia Explains Internet Explorer (IE)
Back in 1994, Netscape produced the first commercialized web browser (the original, but not commercial, browser was Mosaic). Netscape Navigator took the World by storm and quickly took the 90%+ of the browser market.