Microsoft Outlook is one of the most popular email systems used around the world [pii_email_7e2660f7e18dd6cdd668]. Error code. It's used by a variety of men and women for personal reasons, but it's also used by professionals. It includes various built-in features that make it suitable for both professional and personal use. While the diagnosis is used in many jurisdictions, there are several errors that consumers might make when using Outlook accounts.