It baffles me that Microsoft Advisors go for esoteric suggestions, when simple things are easier.
Your software is out of date. Install updates, then test again.
INSTALL UPDATES
Make sure your Mac has a working internet connection before checking for updates. Install Mac OS X updates followed by Office updates.
Install Mac OS X updates first:
To get Mac OS updates, go to the App store on your dock, and then click the Updates button to reveal available updates.
Then Install Office Updates
To get the update:
IF YOU DID NOT PURCHASE OFFICE FROM THE APPLE MAC STORE:
- Open any Office application
- Go to the Help menu and choose Check for Updates
- Let AutoUpdate check for and install updates
- Restart your Mac
IF YOU OBTAINED OFFICE FROM THE MAC STORE
1.
On your dock, click the App Store icon
2.
Click the Updates tab
3.
Install Office updates
If you have any add-ins such as WebEx, Mendelay, EndNote, Zotero, TypeIt4me, etc it is essential that you install the latest updates for your add-ins. This includes font management add-ins, such as Suitcase. If you use Suitcase, you should have at least version 9.