Office is updating 2016
Updating and repairing Excel will often fix things.
Follow the steps below - first update, then repair.
Office for Mac received Touch Bar support in an update on February 16, 2017, following the launch of the 2016 Mac Book Pro models.
As with previous versions, Office 2016 is made available in several distinct editions aimed towards different markets.
Are there still certain parts of those non-installed components that it still installs even when I have selected not to install them and will never use them? Office has shared compodents, you are recieving those updates to those products, due to those shared components that are installed.