Hi,
What version of Office and Mac are you using?
First please force quit and restart:
- Quit both Word and Outlook by selecting "Quit" or "Force Quit" from the Apple menu.
- Restart your iMac.
Then Remove Preferences Files:
- Quit all Microsoft Office applications.
- Open Finder, then click "Go" > "Home" > "Library" (hold down the OPTION key if the Library folder is hidden).
- Open "Preferences" and drag
com.microsoft.Word.plist
andcom.microsoft.Outlook.plist
to the desktop. - Restart Word and Outlook to see if the issue is resolved. If it is, you can delete the plist files; if not, restore them to their original location
I also suggest you refer to this support article to uninstall Office for Mac completely and re-install it:
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