Part 2: How to Force Quit Word on Mac When Not Responding? The MS Word you have installed is missing some critical files and you have to re-install it. The Word application is affected by malicious programs or viruses. Sometimes MS Word and third-party plugins are not compatible with each other and result in MS Word not responding on Mac. You have installed a pirated version of Microsoft Word, this will lead to MS Word not working properly on Mac. You are running an outdated version of MS Word or macOS, or Microsoft word may not work on mac after update. The installation location of Microsoft Word on your Mac can be corrupted. When Microsoft Word suddenly stopped responding on your Mac or MacBook Pro, some of the common reasons might be: Part 3: How to Fix MS Word Not Responding on Mac Issue (6 Ways)īonus: Recover Unsaved/Lost Word Documents on Mac Part 1: Possible Reasons for Word Not Responding on Mac