<ul><li>Troubleshooting guide to fix Apple Calendar app issues on Mac.</li><li>Common problems include crashes, slow loading, missing events, and sync issues.</li><li>Update macOS to the latest version to resolve most Calendar problems.</li><li>Force quit and restart the Calendar app if it's crashing or unresponsive.</li><li>Try disabling all calendars and re-enabling them one by one.</li><li>Unsubscribe from third-party calendars like NFL to troubleshoot.</li><li>Refresh calendars in the app to resolve sync problems.</li><li>Disable and re-enable calendar accounts like iCloud, Google, or Exchange.</li><li>Delete and re-add calendar accounts as a solution.</li><li>Turn off unnecessary calendar accounts to streamline the app.</li><li>Additional tips include turning off Mouse Keys and clearing the app cache.</li><li>If issues persist, try using other calendar platforms or seek professional help.</li></ul>

How to fix the Calendar app not working on Mac

Discover more