How to block unwanted emails in Microsoft Outlook

Outlook has been the favorite mail app on Windows for several years. After first being introduced in 1997 with Office 97, Outlook is now part of Microsoft 365, the company’s productivity suite. You can send and receive emails with multiple accounts, and take advantage of features like Focused Inbox or Copilot, Microsoft’s AI assistant, to help you craft an email with your preferred tone and content.