Every file on your hard drive (.jpeg, .html, and the like) can be associated with a compatible program, which will open that file format by default. Some applications will change a format’s default ...

If you edit HTML code on your Mac, you might find that Apple's text-handling programs like TextEdit may not suffice, especially since as a basic text editor it does not provide syntax-aware coloring, ...

This month's monster security patch for Office breaks Excel when it tries to open HTML files, and it seems unlikely Microsoft will fix the problem Excel users are reporting an odd bug in the way ...