How to Force Quit Word on Mac When Not Responding? Programs or hardware bugs interfere with Mac Word.Unexpected power disturbance or sudden closing of Word document.The virus or malware infected the operating system of your Mac (Install an anti-virus program).The third-party add-ons or the plug-ins hinder the software.When your Microsoft Word won’t open or has stopped working on Mac all of a sudden, the possible reasons could be: Possible Reasons behind MS Word Not Responding on Mac Preview lost files before final recovery.Many filter options, including file type, date, time, file size, etc.
