The Autodiscover service couldn't be located.

This error message usually appears when the Microsoft Outlook email client is unable to connect to the Autodiscover service to retrieve the email account configuration information. Here are some steps you can take to troubleshoot this issue:

1. Check your internet connection: Make sure you have a stable internet connection before attempting to connect to the Autodiscover service.

2. Verify your email settings: Verify that your email settings are correct, including your email address, password, and server settings. You can usually find this information in your email account settings.

3. Check your DNS settings: Make sure the Autodiscover service is listed in your DNS settings. You can check this by using the nslookup command in the command prompt or terminal.

4. Disable third-party add-ins: Disable any third-party add-ins that may be interfering with the Autodiscover service.

5. Contact your email provider: If none of the above steps work, contact your email provider for further assistance. They may be experiencing an outage or have a different solution to resolve the issue.