If your Hotmail not working, it can be due to server outages, incorrect login credentials, browser issues, or outdated app settings. Users may experience problems like being unable to send or receive emails, login errors, or slow performance. Troubleshooting steps include checking your internet connection, clearing browser cache, updating your app or browser, and verifying server status. Since Hotmail is now part of Microsoft Outlook, ensuring your account settings are properly configured in Outlook can also help resolve most issues quickly.