You can update your Mac by going to System Preferences > Software Update.
Test your problem in Safe Mode and then exit Safe Mode and test your problem again. In this article, we explain how you can troubleshoot the Office problems on your Mac. If you are having this problem, you will not be able to view, edit, or create Office files on your Mac. For example, when they want to open an Excel file, the file crashes, freezes, or won’t open at all.
Several users have reported that they could not open their Microsoft Office (Excel, Word, PowerPoint, etc) files on the Mac. Facebook Twitter Pinterest LinkedIn Print Email