InDesign CC 2018
Mac OS High Sierra and Mac OS El Capitan
Excel Mac 2016 updated

Font family used in inDesign document is not found after pasting table text from Excel file (a process that has been used successfully for some years) . First happened in High Sierra, and thinking it was the OS update that caused it, I reinstalled El Capitan. Tested the copy/paste using a newly installed version of Office without updating it, and had no problem. Updated Excel and the problem returned.