Outlook: can't move profiles to a different drive using a symlink as before (I found some tutorial to achieve that by modifying the app but it didn't work for me) Excel: graphical bug for complex graphs with lots of non-adjacent cells - it's obviously designed for adjacent cells and doesn't accept too many arguments. no more custom toolbars - I had one for Excel and two for Word. Well, I can't say it's not working great, globally, but I'm pretty much disappointed because of the disappearance of a few things that I find important in former versions such as: One of the things that decided me to update my OS from 10.9 to 10.11 was Office 2016.