73 votes59 comments · Excel for Mac » Viewing / Navigating Workbooks · Flag idea as inappropriate… · Admin →
Hi everyone – we continue to work on performance improvements in this area and other areas of Excel. It’s a gradual process, so there have been some improvements already, and we will have more to come.
Steve K [MS Excel]Remy White commented
I had very similar issues then I deleted Excel version 16.xx and reinstalled Excel 15.xx
No problem since ;)
Below is the link with all the info and steps to follow.
Enjoy hope it helps