How to Fix Microsoft Word Not Working on Mac

Before diving into complex troubleshooting steps, the very first thing you should do when Microsoft Word acts up on your Mac is perform a complete system restart. Temporary system glitches, background processes hanging, or corrupted RAM caches frequently prevent standard applications from launching correctly. Click the Apple menu in the top-left corner of your screen and select Restart. Once your Mac boots back up, try launching Word again to see if the problem persists.

If a simple restart does not resolve the freezing or crashing, temporary cache files stored by macOS might be interfering with the application. Close Microsoft Word completely by pressing Command + Q. Next, open Finder, click Go in the top menu bar, hold down the Option key to reveal the hidden Library folder, and select it. Navigate to Library > Caches and look for folders related to Microsoft, such as com.microsoft.Word. Move these cache folders to the Trash, empty your Trash bin, and restart your computer once more before testing Word.

Third-party add-ins, templates, or macros often cause Microsoft Word to crash instantly upon opening on macOS. To test whether an add-in is the root cause of your problem, you should launch your Mac in Safe Mode. Shut down your computer completely, then press and hold the power button until you see the loading startup options window. Select your startup disk, press and hold the Shift key, and click Continue in Safe Mode. Once your Mac boots up in Safe Mode, which disables non-essential startup items and third-party fonts, try opening Microsoft Word. If Word opens without crashing, an incompatible add-in or font is definitely the culprit.

To remove problematic add-ins while running normally, open Word and navigate to Insert > Get Add-ins or check your Word templates folder located at Library > Group Containers > UBF8T346G9.Office > User Content > Templates. Move any recently installed custom templates or suspicious add-ins out of this directory. Restarting Word after clearing these items typically restores normal stability and prevents unexpected crashes during your daily writing and editing tasks.

Corrupted preference files are among the most common reasons why Microsoft Word fails to respond or refuses to open on macOS. Word stores its configuration data in specific container directories, and when these files become damaged, the application cannot load its user interface properly. To reset Word preferences, make sure the app is completely closed. Open Finder, click Go > Go to Folder, and type ~/Library/Containers/ in the search box. Look for the folder named com.microsoft.Word and drag it directly to the Trash. This action resets all custom preferences, toolbars, and settings back to their default factory states.

If clearing the container folder does not completely solve the issue, you should also check for older preference files stored in Library > Preferences. Locate files matching com.microsoft.Word.plist and move them to the Trash as well. Keep in mind that resetting these files will revert any personalized settings or toolbar customizations you have made, but it is a highly effective way to clear out deep-seated corruption that standard reboots cannot touch.

Running outdated versions of Microsoft Word alongside a newer version of macOS frequently triggers compatibility conflicts, memory leaks, and sudden application crashes. Ensuring that both your operating system and your productivity suite are fully up to date is crucial for long-term stability. If you downloaded Microsoft Word through the Mac App Store, open the App Store app, click on Updates in the sidebar, and install any available updates for Microsoft 365 apps. If you installed Word via the Microsoft updater package, open Word, click Help > Check for Updates, and let Microsoft AutoUpdate fetch the newest patches.

At the same time, check your Mac system settings to ensure macOS is running the latest build. Go to System Settings > General > Software Update and install any pending system patches. Software developers regularly release bug fixes specifically designed to address application crashes and memory management issues on newer macOS releases, making routine updates an essential maintenance step for every Mac user.

Sometimes the underlying file permissions on your Mac's hard drive become scrambled, preventing applications like Microsoft Word from reading or writing necessary configuration files, temporary documents, and cache data. Although modern versions of macOS handle file permissions automatically in the background, file system errors can still occur due to improper shutdowns or botched software installations. To check and repair your drive, open Spotlight by pressing Command + Space, type Disk Utility, and press Enter.

Once Disk Utility opens, click View in the top toolbar and select Show All Devices. In the sidebar, select your main startup container (usually named Macintosh HD) and click the First Aid button at the top of the window. Confirm by clicking Run. Disk Utility will inspect your drive structure and repair any damaged permissions or file allocation errors it finds. Once the process completes successfully, restart your Mac and launch Microsoft Word to verify that the crashing behavior has stopped.