A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hello Dan,
You may hide the zero value in Excel on Windows using the information mentioned in the following Microsoft article and check if it helps.
For better suggestion for the query related to Excel on Mac, you may post your query in below mentioned forum link.
http://answers.microsoft.com/en-us/mac/forum/macoffice2016
Hope the information helps. Do reply if you need further assistance, we will be happy to help you.
Thank you.