On some computers Word may give the Error "Compile error in hidden module: link" (shown in screenshot below).

By following these steps you can get rid of this error.

1. Ensure Word  is closed.
2. Open Finder and select the Go menu. Click on Go to Folder.
   
    
3. Into this dialogue box that appears type (or copy and paste) this directory: ~/Library/Group Containers/UBF8T346G9.Office/User Content/Startup/Word/
   
    
4. In this box you will see a file called linkCreation.dotm, Delete this File. Word  should now function correctly.